v.0.1

vendor/illuminate/database/Capsule/Manager.php

@@ -0,0 +1,202 @@
+<?php
+
+namespace Illuminate\Database\Capsule;
+
+use Illuminate\Container\Container;
+use Illuminate\Contracts\Events\Dispatcher;
+use Illuminate\Database\Connectors\ConnectionFactory;
+use Illuminate\Database\DatabaseManager;
+use Illuminate\Database\Eloquent\Model as Eloquent;
+use Illuminate\Support\Traits\CapsuleManagerTrait;
+use PDO;
+
+class Manager
+{
+    use CapsuleManagerTrait;
+
+    /**
+     * The database manager instance.
+     *
+     * @var \Illuminate\Database\DatabaseManager
+     */
+    protected $manager;
+
+    /**
+     * Create a new database capsule manager.
+     *
+     * @param  \Illuminate\Container\Container|null  $container
+     * @return void
+     */
+    public function __construct(Container $container = null)
+    {
+        $this->setupContainer($container ?: new Container);
+
+        // Once we have the container setup, we will setup the default configuration
+        // options in the container "config" binding. This will make the database
+        // manager work correctly out of the box without extreme configuration.
+        $this->setupDefaultConfiguration();
+
+        $this->setupManager();
+    }
+
+    /**
+     * Setup the default database configuration options.
+     *
+     * @return void
+     */
+    protected function setupDefaultConfiguration()
+    {
+        $this->container['config']['database.fetch'] = PDO::FETCH_OBJ;
+
+        $this->container['config']['database.default'] = 'default';
+    }
+
+    /**
+     * Build the database manager instance.
+     *
+     * @return void
+     */
+    protected function setupManager()
+    {
+        $factory = new ConnectionFactory($this->container);
+
+        $this->manager = new DatabaseManager($this->container, $factory);
+    }
+
+    /**
+     * Get a connection instance from the global manager.
+     *
+     * @param  string|null  $connection
+     * @return \Illuminate\Database\Connection
+     */
+    public static function connection($connection = null)
+    {
+        return static::$instance->getConnection($connection);
+    }
+
+    /**
+     * Get a fluent query builder instance.
+     *
+     * @param  \Closure|\Illuminate\Database\Query\Builder|string  $table
+     * @param  string|null  $as
+     * @param  string|null  $connection
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public static function table($table, $as = null, $connection = null)
+    {
+        return static::$instance->connection($connection)->table($table, $as);
+    }
+
+    /**
+     * Get a schema builder instance.
+     *
+     * @param  string|null  $connection
+     * @return \Illuminate\Database\Schema\Builder
+     */
+    public static function schema($connection = null)
+    {
+        return static::$instance->connection($connection)->getSchemaBuilder();
+    }
+
+    /**
+     * Get a registered connection instance.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Database\Connection
+     */
+    public function getConnection($name = null)
+    {
+        return $this->manager->connection($name);
+    }
+
+    /**
+     * Register a connection with the manager.
+     *
+     * @param  array  $config
+     * @param  string  $name
+     * @return void
+     */
+    public function addConnection(array $config, $name = 'default')
+    {
+        $connections = $this->container['config']['database.connections'];
+
+        $connections[$name] = $config;
+
+        $this->container['config']['database.connections'] = $connections;
+    }
+
+    /**
+     * Bootstrap Eloquent so it is ready for usage.
+     *
+     * @return void
+     */
+    public function bootEloquent()
+    {
+        Eloquent::setConnectionResolver($this->manager);
+
+        // If we have an event dispatcher instance, we will go ahead and register it
+        // with the Eloquent ORM, allowing for model callbacks while creating and
+        // updating "model" instances; however, it is not necessary to operate.
+        if ($dispatcher = $this->getEventDispatcher()) {
+            Eloquent::setEventDispatcher($dispatcher);
+        }
+    }
+
+    /**
+     * Set the fetch mode for the database connections.
+     *
+     * @param  int  $fetchMode
+     * @return $this
+     */
+    public function setFetchMode($fetchMode)
+    {
+        $this->container['config']['database.fetch'] = $fetchMode;
+
+        return $this;
+    }
+
+    /**
+     * Get the database manager instance.
+     *
+     * @return \Illuminate\Database\DatabaseManager
+     */
+    public function getDatabaseManager()
+    {
+        return $this->manager;
+    }
+
+    /**
+     * Get the current event dispatcher instance.
+     *
+     * @return \Illuminate\Contracts\Events\Dispatcher|null
+     */
+    public function getEventDispatcher()
+    {
+        if ($this->container->bound('events')) {
+            return $this->container['events'];
+        }
+    }
+
+    /**
+     * Set the event dispatcher instance to be used by connections.
+     *
+     * @param  \Illuminate\Contracts\Events\Dispatcher  $dispatcher
+     * @return void
+     */
+    public function setEventDispatcher(Dispatcher $dispatcher)
+    {
+        $this->container->instance('events', $dispatcher);
+    }
+
+    /**
+     * Dynamically pass methods to the default connection.
+     *
+     * @param  string  $method
+     * @param  array  $parameters
+     * @return mixed
+     */
+    public static function __callStatic($method, $parameters)
+    {
+        return static::connection()->$method(...$parameters);
+    }
+}

vendor/illuminate/database/Concerns/BuildsQueries.php

@@ -0,0 +1,227 @@
+<?php
+
+namespace Illuminate\Database\Concerns;
+
+use Illuminate\Container\Container;
+use Illuminate\Pagination\LengthAwarePaginator;
+use Illuminate\Pagination\Paginator;
+
+trait BuildsQueries
+{
+    /**
+     * Chunk the results of the query.
+     *
+     * @param  int  $count
+     * @param  callable  $callback
+     * @return bool
+     */
+    public function chunk($count, callable $callback)
+    {
+        $this->enforceOrderBy();
+
+        $page = 1;
+
+        do {
+            // We'll execute the query for the given page and get the results. If there are
+            // no results we can just break and return from here. When there are results
+            // we will call the callback with the current chunk of these results here.
+            $results = $this->forPage($page, $count)->get();
+
+            $countResults = $results->count();
+
+            if ($countResults == 0) {
+                break;
+            }
+
+            // On each chunk result set, we will pass them to the callback and then let the
+            // developer take care of everything within the callback, which allows us to
+            // keep the memory low for spinning through large result sets for working.
+            if ($callback($results, $page) === false) {
+                return false;
+            }
+
+            unset($results);
+
+            $page++;
+        } while ($countResults == $count);
+
+        return true;
+    }
+
+    /**
+     * Execute a callback over each item while chunking.
+     *
+     * @param  callable  $callback
+     * @param  int  $count
+     * @return bool
+     */
+    public function each(callable $callback, $count = 1000)
+    {
+        return $this->chunk($count, function ($results) use ($callback) {
+            foreach ($results as $key => $value) {
+                if ($callback($value, $key) === false) {
+                    return false;
+                }
+            }
+        });
+    }
+
+    /**
+     * Chunk the results of a query by comparing IDs.
+     *
+     * @param  int  $count
+     * @param  callable  $callback
+     * @param  string|null  $column
+     * @param  string|null  $alias
+     * @return bool
+     */
+    public function chunkById($count, callable $callback, $column = null, $alias = null)
+    {
+        $column = $column ?? $this->defaultKeyName();
+
+        $alias = $alias ?? $column;
+
+        $lastId = null;
+
+        do {
+            $clone = clone $this;
+
+            // We'll execute the query for the given page and get the results. If there are
+            // no results we can just break and return from here. When there are results
+            // we will call the callback with the current chunk of these results here.
+            $results = $clone->forPageAfterId($count, $lastId, $column)->get();
+
+            $countResults = $results->count();
+
+            if ($countResults == 0) {
+                break;
+            }
+
+            // On each chunk result set, we will pass them to the callback and then let the
+            // developer take care of everything within the callback, which allows us to
+            // keep the memory low for spinning through large result sets for working.
+            if ($callback($results) === false) {
+                return false;
+            }
+
+            $lastId = $results->last()->{$alias};
+
+            unset($results);
+        } while ($countResults == $count);
+
+        return true;
+    }
+
+    /**
+     * Execute a callback over each item while chunking by ID.
+     *
+     * @param  callable  $callback
+     * @param  int  $count
+     * @param  string|null  $column
+     * @param  string|null  $alias
+     * @return bool
+     */
+    public function eachById(callable $callback, $count = 1000, $column = null, $alias = null)
+    {
+        return $this->chunkById($count, function ($results) use ($callback) {
+            foreach ($results as $key => $value) {
+                if ($callback($value, $key) === false) {
+                    return false;
+                }
+            }
+        }, $column, $alias);
+    }
+
+    /**
+     * Execute the query and get the first result.
+     *
+     * @param  array|string  $columns
+     * @return \Illuminate\Database\Eloquent\Model|object|static|null
+     */
+    public function first($columns = ['*'])
+    {
+        return $this->take(1)->get($columns)->first();
+    }
+
+    /**
+     * Apply the callback's query changes if the given "value" is true.
+     *
+     * @param  mixed  $value
+     * @param  callable  $callback
+     * @param  callable|null  $default
+     * @return mixed|$this
+     */
+    public function when($value, $callback, $default = null)
+    {
+        if ($value) {
+            return $callback($this, $value) ?: $this;
+        } elseif ($default) {
+            return $default($this, $value) ?: $this;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Pass the query to a given callback.
+     *
+     * @param  callable  $callback
+     * @return $this
+     */
+    public function tap($callback)
+    {
+        return $this->when(true, $callback);
+    }
+
+    /**
+     * Apply the callback's query changes if the given "value" is false.
+     *
+     * @param  mixed  $value
+     * @param  callable  $callback
+     * @param  callable|null  $default
+     * @return mixed|$this
+     */
+    public function unless($value, $callback, $default = null)
+    {
+        if (! $value) {
+            return $callback($this, $value) ?: $this;
+        } elseif ($default) {
+            return $default($this, $value) ?: $this;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Create a new length-aware paginator instance.
+     *
+     * @param  \Illuminate\Support\Collection  $items
+     * @param  int  $total
+     * @param  int  $perPage
+     * @param  int  $currentPage
+     * @param  array  $options
+     * @return \Illuminate\Pagination\LengthAwarePaginator
+     */
+    protected function paginator($items, $total, $perPage, $currentPage, $options)
+    {
+        return Container::getInstance()->makeWith(LengthAwarePaginator::class, compact(
+            'items', 'total', 'perPage', 'currentPage', 'options'
+        ));
+    }
+
+    /**
+     * Create a new simple paginator instance.
+     *
+     * @param  \Illuminate\Support\Collection  $items
+     * @param  int  $perPage
+     * @param  int  $currentPage
+     * @param  array  $options
+     * @return \Illuminate\Pagination\Paginator
+     */
+    protected function simplePaginator($items, $perPage, $currentPage, $options)
+    {
+        return Container::getInstance()->makeWith(Paginator::class, compact(
+            'items', 'perPage', 'currentPage', 'options'
+        ));
+    }
+}

vendor/illuminate/database/Concerns/ManagesTransactions.php

@@ -0,0 +1,292 @@
+<?php
+
+namespace Illuminate\Database\Concerns;
+
+use Closure;
+use Throwable;
+
+trait ManagesTransactions
+{
+    /**
+     * Execute a Closure within a transaction.
+     *
+     * @param  \Closure  $callback
+     * @param  int  $attempts
+     * @return mixed
+     *
+     * @throws \Throwable
+     */
+    public function transaction(Closure $callback, $attempts = 1)
+    {
+        for ($currentAttempt = 1; $currentAttempt <= $attempts; $currentAttempt++) {
+            $this->beginTransaction();
+
+            // We'll simply execute the given callback within a try / catch block and if we
+            // catch any exception we can rollback this transaction so that none of this
+            // gets actually persisted to a database or stored in a permanent fashion.
+            try {
+                $callbackResult = $callback($this);
+            }
+
+            // If we catch an exception we'll rollback this transaction and try again if we
+            // are not out of attempts. If we are out of attempts we will just throw the
+            // exception back out and let the developer handle an uncaught exceptions.
+            catch (Throwable $e) {
+                $this->handleTransactionException(
+                    $e, $currentAttempt, $attempts
+                );
+
+                continue;
+            }
+
+            try {
+                if ($this->transactions == 1) {
+                    $this->getPdo()->commit();
+                }
+
+                $this->transactions = max(0, $this->transactions - 1);
+            } catch (Throwable $e) {
+                $this->handleCommitTransactionException(
+                    $e, $currentAttempt, $attempts
+                );
+
+                continue;
+            }
+
+            $this->fireConnectionEvent('committed');
+
+            return $callbackResult;
+        }
+    }
+
+    /**
+     * Handle an exception encountered when running a transacted statement.
+     *
+     * @param  \Throwable  $e
+     * @param  int  $currentAttempt
+     * @param  int  $maxAttempts
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function handleTransactionException(Throwable $e, $currentAttempt, $maxAttempts)
+    {
+        // On a deadlock, MySQL rolls back the entire transaction so we can't just
+        // retry the query. We have to throw this exception all the way out and
+        // let the developer handle it in another way. We will decrement too.
+        if ($this->causedByConcurrencyError($e) &&
+            $this->transactions > 1) {
+            $this->transactions--;
+
+            throw $e;
+        }
+
+        // If there was an exception we will rollback this transaction and then we
+        // can check if we have exceeded the maximum attempt count for this and
+        // if we haven't we will return and try this query again in our loop.
+        $this->rollBack();
+
+        if ($this->causedByConcurrencyError($e) &&
+            $currentAttempt < $maxAttempts) {
+            return;
+        }
+
+        throw $e;
+    }
+
+    /**
+     * Start a new database transaction.
+     *
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    public function beginTransaction()
+    {
+        $this->createTransaction();
+
+        $this->transactions++;
+
+        $this->fireConnectionEvent('beganTransaction');
+    }
+
+    /**
+     * Create a transaction within the database.
+     *
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function createTransaction()
+    {
+        if ($this->transactions == 0) {
+            $this->reconnectIfMissingConnection();
+
+            try {
+                $this->getPdo()->beginTransaction();
+            } catch (Throwable $e) {
+                $this->handleBeginTransactionException($e);
+            }
+        } elseif ($this->transactions >= 1 && $this->queryGrammar->supportsSavepoints()) {
+            $this->createSavepoint();
+        }
+    }
+
+    /**
+     * Create a save point within the database.
+     *
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function createSavepoint()
+    {
+        $this->getPdo()->exec(
+            $this->queryGrammar->compileSavepoint('trans'.($this->transactions + 1))
+        );
+    }
+
+    /**
+     * Handle an exception from a transaction beginning.
+     *
+     * @param  \Throwable  $e
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function handleBeginTransactionException(Throwable $e)
+    {
+        if ($this->causedByLostConnection($e)) {
+            $this->reconnect();
+
+            $this->getPdo()->beginTransaction();
+        } else {
+            throw $e;
+        }
+    }
+
+    /**
+     * Commit the active database transaction.
+     *
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    public function commit()
+    {
+        if ($this->transactions == 1) {
+            $this->getPdo()->commit();
+        }
+
+        $this->transactions = max(0, $this->transactions - 1);
+
+        $this->fireConnectionEvent('committed');
+    }
+
+    /**
+     * Handle an exception encountered when committing a transaction.
+     *
+     * @param  \Throwable  $e
+     * @param  int  $currentAttempt
+     * @param  int  $maxAttempts
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function handleCommitTransactionException(Throwable $e, $currentAttempt, $maxAttempts)
+    {
+        $this->transactions = max(0, $this->transactions - 1);
+
+        if ($this->causedByConcurrencyError($e) &&
+            $currentAttempt < $maxAttempts) {
+            return;
+        }
+
+        if ($this->causedByLostConnection($e)) {
+            $this->transactions = 0;
+        }
+
+        throw $e;
+    }
+
+    /**
+     * Rollback the active database transaction.
+     *
+     * @param  int|null  $toLevel
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    public function rollBack($toLevel = null)
+    {
+        // We allow developers to rollback to a certain transaction level. We will verify
+        // that this given transaction level is valid before attempting to rollback to
+        // that level. If it's not we will just return out and not attempt anything.
+        $toLevel = is_null($toLevel)
+                    ? $this->transactions - 1
+                    : $toLevel;
+
+        if ($toLevel < 0 || $toLevel >= $this->transactions) {
+            return;
+        }
+
+        // Next, we will actually perform this rollback within this database and fire the
+        // rollback event. We will also set the current transaction level to the given
+        // level that was passed into this method so it will be right from here out.
+        try {
+            $this->performRollBack($toLevel);
+        } catch (Throwable $e) {
+            $this->handleRollBackException($e);
+        }
+
+        $this->transactions = $toLevel;
+
+        $this->fireConnectionEvent('rollingBack');
+    }
+
+    /**
+     * Perform a rollback within the database.
+     *
+     * @param  int  $toLevel
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function performRollBack($toLevel)
+    {
+        if ($toLevel == 0) {
+            $this->getPdo()->rollBack();
+        } elseif ($this->queryGrammar->supportsSavepoints()) {
+            $this->getPdo()->exec(
+                $this->queryGrammar->compileSavepointRollBack('trans'.($toLevel + 1))
+            );
+        }
+    }
+
+    /**
+     * Handle an exception from a rollback.
+     *
+     * @param  \Throwable  $e
+     * @return void
+     *
+     * @throws \Throwable
+     */
+    protected function handleRollBackException(Throwable $e)
+    {
+        if ($this->causedByLostConnection($e)) {
+            $this->transactions = 0;
+        }
+
+        throw $e;
+    }
+
+    /**
+     * Get the number of active transactions.
+     *
+     * @return int
+     */
+    public function transactionLevel()
+    {
+        return $this->transactions;
+    }
+}

vendor/illuminate/database/ConfigurationUrlParser.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Support\ConfigurationUrlParser as BaseConfigurationUrlParser;
+
+class ConfigurationUrlParser extends BaseConfigurationUrlParser
+{
+    //
+}

vendor/illuminate/database/ConnectionInterface.php

@@ -0,0 +1,163 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Closure;
+
+interface ConnectionInterface
+{
+    /**
+     * Begin a fluent query against a database table.
+     *
+     * @param  \Closure|\Illuminate\Database\Query\Builder|string  $table
+     * @param  string|null  $as
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public function table($table, $as = null);
+
+    /**
+     * Get a new raw query expression.
+     *
+     * @param  mixed  $value
+     * @return \Illuminate\Database\Query\Expression
+     */
+    public function raw($value);
+
+    /**
+     * Run a select statement and return a single result.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @param  bool  $useReadPdo
+     * @return mixed
+     */
+    public function selectOne($query, $bindings = [], $useReadPdo = true);
+
+    /**
+     * Run a select statement against the database.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @param  bool  $useReadPdo
+     * @return array
+     */
+    public function select($query, $bindings = [], $useReadPdo = true);
+
+    /**
+     * Run a select statement against the database and returns a generator.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @param  bool  $useReadPdo
+     * @return \Generator
+     */
+    public function cursor($query, $bindings = [], $useReadPdo = true);
+
+    /**
+     * Run an insert statement against the database.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @return bool
+     */
+    public function insert($query, $bindings = []);
+
+    /**
+     * Run an update statement against the database.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @return int
+     */
+    public function update($query, $bindings = []);
+
+    /**
+     * Run a delete statement against the database.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @return int
+     */
+    public function delete($query, $bindings = []);
+
+    /**
+     * Execute an SQL statement and return the boolean result.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @return bool
+     */
+    public function statement($query, $bindings = []);
+
+    /**
+     * Run an SQL statement and get the number of rows affected.
+     *
+     * @param  string  $query
+     * @param  array  $bindings
+     * @return int
+     */
+    public function affectingStatement($query, $bindings = []);
+
+    /**
+     * Run a raw, unprepared query against the PDO connection.
+     *
+     * @param  string  $query
+     * @return bool
+     */
+    public function unprepared($query);
+
+    /**
+     * Prepare the query bindings for execution.
+     *
+     * @param  array  $bindings
+     * @return array
+     */
+    public function prepareBindings(array $bindings);
+
+    /**
+     * Execute a Closure within a transaction.
+     *
+     * @param  \Closure  $callback
+     * @param  int  $attempts
+     * @return mixed
+     *
+     * @throws \Throwable
+     */
+    public function transaction(Closure $callback, $attempts = 1);
+
+    /**
+     * Start a new database transaction.
+     *
+     * @return void
+     */
+    public function beginTransaction();
+
+    /**
+     * Commit the active database transaction.
+     *
+     * @return void
+     */
+    public function commit();
+
+    /**
+     * Rollback the active database transaction.
+     *
+     * @return void
+     */
+    public function rollBack();
+
+    /**
+     * Get the number of active transactions.
+     *
+     * @return int
+     */
+    public function transactionLevel();
+
+    /**
+     * Execute the given callback in "dry run" mode.
+     *
+     * @param  \Closure  $callback
+     * @return array
+     */
+    public function pretend(Closure $callback);
+}

vendor/illuminate/database/ConnectionResolver.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace Illuminate\Database;
+
+class ConnectionResolver implements ConnectionResolverInterface
+{
+    /**
+     * All of the registered connections.
+     *
+     * @var array
+     */
+    protected $connections = [];
+
+    /**
+     * The default connection name.
+     *
+     * @var string
+     */
+    protected $default;
+
+    /**
+     * Create a new connection resolver instance.
+     *
+     * @param  array  $connections
+     * @return void
+     */
+    public function __construct(array $connections = [])
+    {
+        foreach ($connections as $name => $connection) {
+            $this->addConnection($name, $connection);
+        }
+    }
+
+    /**
+     * Get a database connection instance.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Database\ConnectionInterface
+     */
+    public function connection($name = null)
+    {
+        if (is_null($name)) {
+            $name = $this->getDefaultConnection();
+        }
+
+        return $this->connections[$name];
+    }
+
+    /**
+     * Add a connection to the resolver.
+     *
+     * @param  string  $name
+     * @param  \Illuminate\Database\ConnectionInterface  $connection
+     * @return void
+     */
+    public function addConnection($name, ConnectionInterface $connection)
+    {
+        $this->connections[$name] = $connection;
+    }
+
+    /**
+     * Check if a connection has been registered.
+     *
+     * @param  string  $name
+     * @return bool
+     */
+    public function hasConnection($name)
+    {
+        return isset($this->connections[$name]);
+    }
+
+    /**
+     * Get the default connection name.
+     *
+     * @return string
+     */
+    public function getDefaultConnection()
+    {
+        return $this->default;
+    }
+
+    /**
+     * Set the default connection name.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function setDefaultConnection($name)
+    {
+        $this->default = $name;
+    }
+}

vendor/illuminate/database/ConnectionResolverInterface.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Illuminate\Database;
+
+interface ConnectionResolverInterface
+{
+    /**
+     * Get a database connection instance.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Database\ConnectionInterface
+     */
+    public function connection($name = null);
+
+    /**
+     * Get the default connection name.
+     *
+     * @return string
+     */
+    public function getDefaultConnection();
+
+    /**
+     * Set the default connection name.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function setDefaultConnection($name);
+}

vendor/illuminate/database/Connectors/ConnectionFactory.php

@@ -0,0 +1,289 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use Illuminate\Contracts\Container\Container;
+use Illuminate\Database\Connection;
+use Illuminate\Database\MySqlConnection;
+use Illuminate\Database\PostgresConnection;
+use Illuminate\Database\SQLiteConnection;
+use Illuminate\Database\SqlServerConnection;
+use Illuminate\Support\Arr;
+use InvalidArgumentException;
+use PDOException;
+
+class ConnectionFactory
+{
+    /**
+     * The IoC container instance.
+     *
+     * @var \Illuminate\Contracts\Container\Container
+     */
+    protected $container;
+
+    /**
+     * Create a new connection factory instance.
+     *
+     * @param  \Illuminate\Contracts\Container\Container  $container
+     * @return void
+     */
+    public function __construct(Container $container)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * Establish a PDO connection based on the configuration.
+     *
+     * @param  array  $config
+     * @param  string|null  $name
+     * @return \Illuminate\Database\Connection
+     */
+    public function make(array $config, $name = null)
+    {
+        $config = $this->parseConfig($config, $name);
+
+        if (isset($config['read'])) {
+            return $this->createReadWriteConnection($config);
+        }
+
+        return $this->createSingleConnection($config);
+    }
+
+    /**
+     * Parse and prepare the database configuration.
+     *
+     * @param  array  $config
+     * @param  string  $name
+     * @return array
+     */
+    protected function parseConfig(array $config, $name)
+    {
+        return Arr::add(Arr::add($config, 'prefix', ''), 'name', $name);
+    }
+
+    /**
+     * Create a single database connection instance.
+     *
+     * @param  array  $config
+     * @return \Illuminate\Database\Connection
+     */
+    protected function createSingleConnection(array $config)
+    {
+        $pdo = $this->createPdoResolver($config);
+
+        return $this->createConnection(
+            $config['driver'], $pdo, $config['database'], $config['prefix'], $config
+        );
+    }
+
+    /**
+     * Create a read / write database connection instance.
+     *
+     * @param  array  $config
+     * @return \Illuminate\Database\Connection
+     */
+    protected function createReadWriteConnection(array $config)
+    {
+        $connection = $this->createSingleConnection($this->getWriteConfig($config));
+
+        return $connection->setReadPdo($this->createReadPdo($config));
+    }
+
+    /**
+     * Create a new PDO instance for reading.
+     *
+     * @param  array  $config
+     * @return \Closure
+     */
+    protected function createReadPdo(array $config)
+    {
+        return $this->createPdoResolver($this->getReadConfig($config));
+    }
+
+    /**
+     * Get the read configuration for a read / write connection.
+     *
+     * @param  array  $config
+     * @return array
+     */
+    protected function getReadConfig(array $config)
+    {
+        return $this->mergeReadWriteConfig(
+            $config, $this->getReadWriteConfig($config, 'read')
+        );
+    }
+
+    /**
+     * Get the write configuration for a read / write connection.
+     *
+     * @param  array  $config
+     * @return array
+     */
+    protected function getWriteConfig(array $config)
+    {
+        return $this->mergeReadWriteConfig(
+            $config, $this->getReadWriteConfig($config, 'write')
+        );
+    }
+
+    /**
+     * Get a read / write level configuration.
+     *
+     * @param  array  $config
+     * @param  string  $type
+     * @return array
+     */
+    protected function getReadWriteConfig(array $config, $type)
+    {
+        return isset($config[$type][0])
+                        ? Arr::random($config[$type])
+                        : $config[$type];
+    }
+
+    /**
+     * Merge a configuration for a read / write connection.
+     *
+     * @param  array  $config
+     * @param  array  $merge
+     * @return array
+     */
+    protected function mergeReadWriteConfig(array $config, array $merge)
+    {
+        return Arr::except(array_merge($config, $merge), ['read', 'write']);
+    }
+
+    /**
+     * Create a new Closure that resolves to a PDO instance.
+     *
+     * @param  array  $config
+     * @return \Closure
+     */
+    protected function createPdoResolver(array $config)
+    {
+        return array_key_exists('host', $config)
+                            ? $this->createPdoResolverWithHosts($config)
+                            : $this->createPdoResolverWithoutHosts($config);
+    }
+
+    /**
+     * Create a new Closure that resolves to a PDO instance with a specific host or an array of hosts.
+     *
+     * @param  array  $config
+     * @return \Closure
+     *
+     * @throws \PDOException
+     */
+    protected function createPdoResolverWithHosts(array $config)
+    {
+        return function () use ($config) {
+            foreach (Arr::shuffle($hosts = $this->parseHosts($config)) as $key => $host) {
+                $config['host'] = $host;
+
+                try {
+                    return $this->createConnector($config)->connect($config);
+                } catch (PDOException $e) {
+                    continue;
+                }
+            }
+
+            throw $e;
+        };
+    }
+
+    /**
+     * Parse the hosts configuration item into an array.
+     *
+     * @param  array  $config
+     * @return array
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function parseHosts(array $config)
+    {
+        $hosts = Arr::wrap($config['host']);
+
+        if (empty($hosts)) {
+            throw new InvalidArgumentException('Database hosts array is empty.');
+        }
+
+        return $hosts;
+    }
+
+    /**
+     * Create a new Closure that resolves to a PDO instance where there is no configured host.
+     *
+     * @param  array  $config
+     * @return \Closure
+     */
+    protected function createPdoResolverWithoutHosts(array $config)
+    {
+        return function () use ($config) {
+            return $this->createConnector($config)->connect($config);
+        };
+    }
+
+    /**
+     * Create a connector instance based on the configuration.
+     *
+     * @param  array  $config
+     * @return \Illuminate\Database\Connectors\ConnectorInterface
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function createConnector(array $config)
+    {
+        if (! isset($config['driver'])) {
+            throw new InvalidArgumentException('A driver must be specified.');
+        }
+
+        if ($this->container->bound($key = "db.connector.{$config['driver']}")) {
+            return $this->container->make($key);
+        }
+
+        switch ($config['driver']) {
+            case 'mysql':
+                return new MySqlConnector;
+            case 'pgsql':
+                return new PostgresConnector;
+            case 'sqlite':
+                return new SQLiteConnector;
+            case 'sqlsrv':
+                return new SqlServerConnector;
+        }
+
+        throw new InvalidArgumentException("Unsupported driver [{$config['driver']}].");
+    }
+
+    /**
+     * Create a new connection instance.
+     *
+     * @param  string  $driver
+     * @param  \PDO|\Closure  $connection
+     * @param  string  $database
+     * @param  string  $prefix
+     * @param  array  $config
+     * @return \Illuminate\Database\Connection
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function createConnection($driver, $connection, $database, $prefix = '', array $config = [])
+    {
+        if ($resolver = Connection::getResolver($driver)) {
+            return $resolver($connection, $database, $prefix, $config);
+        }
+
+        switch ($driver) {
+            case 'mysql':
+                return new MySqlConnection($connection, $database, $prefix, $config);
+            case 'pgsql':
+                return new PostgresConnection($connection, $database, $prefix, $config);
+            case 'sqlite':
+                return new SQLiteConnection($connection, $database, $prefix, $config);
+            case 'sqlsrv':
+                return new SqlServerConnection($connection, $database, $prefix, $config);
+        }
+
+        throw new InvalidArgumentException("Unsupported driver [{$driver}].");
+    }
+}

vendor/illuminate/database/Connectors/Connector.php

@@ -0,0 +1,139 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use Doctrine\DBAL\Driver\PDOConnection;
+use Exception;
+use Illuminate\Database\DetectsLostConnections;
+use PDO;
+use Throwable;
+
+class Connector
+{
+    use DetectsLostConnections;
+
+    /**
+     * The default PDO connection options.
+     *
+     * @var array
+     */
+    protected $options = [
+        PDO::ATTR_CASE => PDO::CASE_NATURAL,
+        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
+        PDO::ATTR_STRINGIFY_FETCHES => false,
+        PDO::ATTR_EMULATE_PREPARES => false,
+    ];
+
+    /**
+     * Create a new PDO connection.
+     *
+     * @param  string  $dsn
+     * @param  array  $config
+     * @param  array  $options
+     * @return \PDO
+     *
+     * @throws \Exception
+     */
+    public function createConnection($dsn, array $config, array $options)
+    {
+        [$username, $password] = [
+            $config['username'] ?? null, $config['password'] ?? null,
+        ];
+
+        try {
+            return $this->createPdoConnection(
+                $dsn, $username, $password, $options
+            );
+        } catch (Exception $e) {
+            return $this->tryAgainIfCausedByLostConnection(
+                $e, $dsn, $username, $password, $options
+            );
+        }
+    }
+
+    /**
+     * Create a new PDO connection instance.
+     *
+     * @param  string  $dsn
+     * @param  string  $username
+     * @param  string  $password
+     * @param  array  $options
+     * @return \PDO
+     */
+    protected function createPdoConnection($dsn, $username, $password, $options)
+    {
+        if (class_exists(PDOConnection::class) && ! $this->isPersistentConnection($options)) {
+            return new PDOConnection($dsn, $username, $password, $options);
+        }
+
+        return new PDO($dsn, $username, $password, $options);
+    }
+
+    /**
+     * Determine if the connection is persistent.
+     *
+     * @param  array  $options
+     * @return bool
+     */
+    protected function isPersistentConnection($options)
+    {
+        return isset($options[PDO::ATTR_PERSISTENT]) &&
+               $options[PDO::ATTR_PERSISTENT];
+    }
+
+    /**
+     * Handle an exception that occurred during connect execution.
+     *
+     * @param  \Throwable  $e
+     * @param  string  $dsn
+     * @param  string  $username
+     * @param  string  $password
+     * @param  array  $options
+     * @return \PDO
+     *
+     * @throws \Exception
+     */
+    protected function tryAgainIfCausedByLostConnection(Throwable $e, $dsn, $username, $password, $options)
+    {
+        if ($this->causedByLostConnection($e)) {
+            return $this->createPdoConnection($dsn, $username, $password, $options);
+        }
+
+        throw $e;
+    }
+
+    /**
+     * Get the PDO options based on the configuration.
+     *
+     * @param  array  $config
+     * @return array
+     */
+    public function getOptions(array $config)
+    {
+        $options = $config['options'] ?? [];
+
+        return array_diff_key($this->options, $options) + $options;
+    }
+
+    /**
+     * Get the default PDO connection options.
+     *
+     * @return array
+     */
+    public function getDefaultOptions()
+    {
+        return $this->options;
+    }
+
+    /**
+     * Set the default PDO connection options.
+     *
+     * @param  array  $options
+     * @return void
+     */
+    public function setDefaultOptions(array $options)
+    {
+        $this->options = $options;
+    }
+}

vendor/illuminate/database/Connectors/ConnectorInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+interface ConnectorInterface
+{
+    /**
+     * Establish a database connection.
+     *
+     * @param  array  $config
+     * @return \PDO
+     */
+    public function connect(array $config);
+}

vendor/illuminate/database/Connectors/MySqlConnector.php

@@ -0,0 +1,208 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use PDO;
+
+class MySqlConnector extends Connector implements ConnectorInterface
+{
+    /**
+     * Establish a database connection.
+     *
+     * @param  array  $config
+     * @return \PDO
+     */
+    public function connect(array $config)
+    {
+        $dsn = $this->getDsn($config);
+
+        $options = $this->getOptions($config);
+
+        // We need to grab the PDO options that should be used while making the brand
+        // new connection instance. The PDO options control various aspects of the
+        // connection's behavior, and some might be specified by the developers.
+        $connection = $this->createConnection($dsn, $config, $options);
+
+        if (! empty($config['database'])) {
+            $connection->exec("use `{$config['database']}`;");
+        }
+
+        $this->configureIsolationLevel($connection, $config);
+
+        $this->configureEncoding($connection, $config);
+
+        // Next, we will check to see if a timezone has been specified in this config
+        // and if it has we will issue a statement to modify the timezone with the
+        // database. Setting this DB timezone is an optional configuration item.
+        $this->configureTimezone($connection, $config);
+
+        $this->setModes($connection, $config);
+
+        return $connection;
+    }
+
+    /**
+     * Set the connection transaction isolation level.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureIsolationLevel($connection, array $config)
+    {
+        if (! isset($config['isolation_level'])) {
+            return;
+        }
+
+        $connection->prepare(
+            "SET SESSION TRANSACTION ISOLATION LEVEL {$config['isolation_level']}"
+        )->execute();
+    }
+
+    /**
+     * Set the connection character set and collation.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void|\PDO
+     */
+    protected function configureEncoding($connection, array $config)
+    {
+        if (! isset($config['charset'])) {
+            return $connection;
+        }
+
+        $connection->prepare(
+            "set names '{$config['charset']}'".$this->getCollation($config)
+        )->execute();
+    }
+
+    /**
+     * Get the collation for the configuration.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getCollation(array $config)
+    {
+        return isset($config['collation']) ? " collate '{$config['collation']}'" : '';
+    }
+
+    /**
+     * Set the timezone on the connection.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureTimezone($connection, array $config)
+    {
+        if (isset($config['timezone'])) {
+            $connection->prepare('set time_zone="'.$config['timezone'].'"')->execute();
+        }
+    }
+
+    /**
+     * Create a DSN string from a configuration.
+     *
+     * Chooses socket or host/port based on the 'unix_socket' config value.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getDsn(array $config)
+    {
+        return $this->hasSocket($config)
+                            ? $this->getSocketDsn($config)
+                            : $this->getHostDsn($config);
+    }
+
+    /**
+     * Determine if the given configuration array has a UNIX socket value.
+     *
+     * @param  array  $config
+     * @return bool
+     */
+    protected function hasSocket(array $config)
+    {
+        return isset($config['unix_socket']) && ! empty($config['unix_socket']);
+    }
+
+    /**
+     * Get the DSN string for a socket configuration.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getSocketDsn(array $config)
+    {
+        return "mysql:unix_socket={$config['unix_socket']};dbname={$config['database']}";
+    }
+
+    /**
+     * Get the DSN string for a host / port configuration.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getHostDsn(array $config)
+    {
+        extract($config, EXTR_SKIP);
+
+        return isset($port)
+                    ? "mysql:host={$host};port={$port};dbname={$database}"
+                    : "mysql:host={$host};dbname={$database}";
+    }
+
+    /**
+     * Set the modes for the connection.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function setModes(PDO $connection, array $config)
+    {
+        if (isset($config['modes'])) {
+            $this->setCustomModes($connection, $config);
+        } elseif (isset($config['strict'])) {
+            if ($config['strict']) {
+                $connection->prepare($this->strictMode($connection, $config))->execute();
+            } else {
+                $connection->prepare("set session sql_mode='NO_ENGINE_SUBSTITUTION'")->execute();
+            }
+        }
+    }
+
+    /**
+     * Set the custom modes on the connection.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function setCustomModes(PDO $connection, array $config)
+    {
+        $modes = implode(',', $config['modes']);
+
+        $connection->prepare("set session sql_mode='{$modes}'")->execute();
+    }
+
+    /**
+     * Get the query to enable strict mode.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return string
+     */
+    protected function strictMode(PDO $connection, $config)
+    {
+        $version = $config['version'] ?? $connection->getAttribute(PDO::ATTR_SERVER_VERSION);
+
+        if (version_compare($version, '8.0.11') >= 0) {
+            return "set session sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION'";
+        }
+
+        return "set session sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'";
+    }
+}

vendor/illuminate/database/Connectors/PostgresConnector.php

@@ -0,0 +1,194 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use PDO;
+
+class PostgresConnector extends Connector implements ConnectorInterface
+{
+    /**
+     * The default PDO connection options.
+     *
+     * @var array
+     */
+    protected $options = [
+        PDO::ATTR_CASE => PDO::CASE_NATURAL,
+        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
+        PDO::ATTR_STRINGIFY_FETCHES => false,
+    ];
+
+    /**
+     * Establish a database connection.
+     *
+     * @param  array  $config
+     * @return \PDO
+     */
+    public function connect(array $config)
+    {
+        // First we'll create the basic DSN and connection instance connecting to the
+        // using the configuration option specified by the developer. We will also
+        // set the default character set on the connections to UTF-8 by default.
+        $connection = $this->createConnection(
+            $this->getDsn($config), $config, $this->getOptions($config)
+        );
+
+        $this->configureEncoding($connection, $config);
+
+        // Next, we will check to see if a timezone has been specified in this config
+        // and if it has we will issue a statement to modify the timezone with the
+        // database. Setting this DB timezone is an optional configuration item.
+        $this->configureTimezone($connection, $config);
+
+        $this->configureSchema($connection, $config);
+
+        // Postgres allows an application_name to be set by the user and this name is
+        // used to when monitoring the application with pg_stat_activity. So we'll
+        // determine if the option has been specified and run a statement if so.
+        $this->configureApplicationName($connection, $config);
+
+        $this->configureSynchronousCommit($connection, $config);
+
+        return $connection;
+    }
+
+    /**
+     * Set the connection character set and collation.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureEncoding($connection, $config)
+    {
+        if (! isset($config['charset'])) {
+            return;
+        }
+
+        $connection->prepare("set names '{$config['charset']}'")->execute();
+    }
+
+    /**
+     * Set the timezone on the connection.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureTimezone($connection, array $config)
+    {
+        if (isset($config['timezone'])) {
+            $timezone = $config['timezone'];
+
+            $connection->prepare("set time zone '{$timezone}'")->execute();
+        }
+    }
+
+    /**
+     * Set the schema on the connection.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureSchema($connection, $config)
+    {
+        if (isset($config['schema'])) {
+            $schema = $this->formatSchema($config['schema']);
+
+            $connection->prepare("set search_path to {$schema}")->execute();
+        }
+    }
+
+    /**
+     * Format the schema for the DSN.
+     *
+     * @param  array|string  $schema
+     * @return string
+     */
+    protected function formatSchema($schema)
+    {
+        if (is_array($schema)) {
+            return '"'.implode('", "', $schema).'"';
+        }
+
+        return '"'.$schema.'"';
+    }
+
+    /**
+     * Set the schema on the connection.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureApplicationName($connection, $config)
+    {
+        if (isset($config['application_name'])) {
+            $applicationName = $config['application_name'];
+
+            $connection->prepare("set application_name to '$applicationName'")->execute();
+        }
+    }
+
+    /**
+     * Create a DSN string from a configuration.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getDsn(array $config)
+    {
+        // First we will create the basic DSN setup as well as the port if it is in
+        // in the configuration options. This will give us the basic DSN we will
+        // need to establish the PDO connections and return them back for use.
+        extract($config, EXTR_SKIP);
+
+        $host = isset($host) ? "host={$host};" : '';
+
+        $dsn = "pgsql:{$host}dbname={$database}";
+
+        // If a port was specified, we will add it to this Postgres DSN connections
+        // format. Once we have done that we are ready to return this connection
+        // string back out for usage, as this has been fully constructed here.
+        if (isset($config['port'])) {
+            $dsn .= ";port={$port}";
+        }
+
+        return $this->addSslOptions($dsn, $config);
+    }
+
+    /**
+     * Add the SSL options to the DSN.
+     *
+     * @param  string  $dsn
+     * @param  array  $config
+     * @return string
+     */
+    protected function addSslOptions($dsn, array $config)
+    {
+        foreach (['sslmode', 'sslcert', 'sslkey', 'sslrootcert'] as $option) {
+            if (isset($config[$option])) {
+                $dsn .= ";{$option}={$config[$option]}";
+            }
+        }
+
+        return $dsn;
+    }
+
+    /**
+     * Configure the synchronous_commit setting.
+     *
+     * @param  \PDO  $connection
+     * @param  array  $config
+     * @return void
+     */
+    protected function configureSynchronousCommit($connection, array $config)
+    {
+        if (! isset($config['synchronous_commit'])) {
+            return;
+        }
+
+        $connection->prepare("set synchronous_commit to '{$config['synchronous_commit']}'")->execute();
+    }
+}

vendor/illuminate/database/Connectors/SQLiteConnector.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use InvalidArgumentException;
+
+class SQLiteConnector extends Connector implements ConnectorInterface
+{
+    /**
+     * Establish a database connection.
+     *
+     * @param  array  $config
+     * @return \PDO
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function connect(array $config)
+    {
+        $options = $this->getOptions($config);
+
+        // SQLite supports "in-memory" databases that only last as long as the owning
+        // connection does. These are useful for tests or for short lifetime store
+        // querying. In-memory databases may only have a single open connection.
+        if ($config['database'] === ':memory:') {
+            return $this->createConnection('sqlite::memory:', $config, $options);
+        }
+
+        $path = realpath($config['database']);
+
+        // Here we'll verify that the SQLite database exists before going any further
+        // as the developer probably wants to know if the database exists and this
+        // SQLite driver will not throw any exception if it does not by default.
+        if ($path === false) {
+            throw new InvalidArgumentException("Database ({$config['database']}) does not exist.");
+        }
+
+        return $this->createConnection("sqlite:{$path}", $config, $options);
+    }
+}

vendor/illuminate/database/Connectors/SqlServerConnector.php

@@ -0,0 +1,205 @@
+<?php
+
+namespace Illuminate\Database\Connectors;
+
+use Illuminate\Support\Arr;
+use PDO;
+
+class SqlServerConnector extends Connector implements ConnectorInterface
+{
+    /**
+     * The PDO connection options.
+     *
+     * @var array
+     */
+    protected $options = [
+        PDO::ATTR_CASE => PDO::CASE_NATURAL,
+        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+        PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
+        PDO::ATTR_STRINGIFY_FETCHES => false,
+    ];
+
+    /**
+     * Establish a database connection.
+     *
+     * @param  array  $config
+     * @return \PDO
+     */
+    public function connect(array $config)
+    {
+        $options = $this->getOptions($config);
+
+        return $this->createConnection($this->getDsn($config), $config, $options);
+    }
+
+    /**
+     * Create a DSN string from a configuration.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getDsn(array $config)
+    {
+        // First we will create the basic DSN setup as well as the port if it is in
+        // in the configuration options. This will give us the basic DSN we will
+        // need to establish the PDO connections and return them back for use.
+        if ($this->prefersOdbc($config)) {
+            return $this->getOdbcDsn($config);
+        }
+
+        if (in_array('sqlsrv', $this->getAvailableDrivers())) {
+            return $this->getSqlSrvDsn($config);
+        } else {
+            return $this->getDblibDsn($config);
+        }
+    }
+
+    /**
+     * Determine if the database configuration prefers ODBC.
+     *
+     * @param  array  $config
+     * @return bool
+     */
+    protected function prefersOdbc(array $config)
+    {
+        return in_array('odbc', $this->getAvailableDrivers()) &&
+               ($config['odbc'] ?? null) === true;
+    }
+
+    /**
+     * Get the DSN string for a DbLib connection.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getDblibDsn(array $config)
+    {
+        return $this->buildConnectString('dblib', array_merge([
+            'host' => $this->buildHostString($config, ':'),
+            'dbname' => $config['database'],
+        ], Arr::only($config, ['appname', 'charset', 'version'])));
+    }
+
+    /**
+     * Get the DSN string for an ODBC connection.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getOdbcDsn(array $config)
+    {
+        return isset($config['odbc_datasource_name'])
+                    ? 'odbc:'.$config['odbc_datasource_name'] : '';
+    }
+
+    /**
+     * Get the DSN string for a SqlSrv connection.
+     *
+     * @param  array  $config
+     * @return string
+     */
+    protected function getSqlSrvDsn(array $config)
+    {
+        $arguments = [
+            'Server' => $this->buildHostString($config, ','),
+        ];
+
+        if (isset($config['database'])) {
+            $arguments['Database'] = $config['database'];
+        }
+
+        if (isset($config['readonly'])) {
+            $arguments['ApplicationIntent'] = 'ReadOnly';
+        }
+
+        if (isset($config['pooling']) && $config['pooling'] === false) {
+            $arguments['ConnectionPooling'] = '0';
+        }
+
+        if (isset($config['appname'])) {
+            $arguments['APP'] = $config['appname'];
+        }
+
+        if (isset($config['encrypt'])) {
+            $arguments['Encrypt'] = $config['encrypt'];
+        }
+
+        if (isset($config['trust_server_certificate'])) {
+            $arguments['TrustServerCertificate'] = $config['trust_server_certificate'];
+        }
+
+        if (isset($config['multiple_active_result_sets']) && $config['multiple_active_result_sets'] === false) {
+            $arguments['MultipleActiveResultSets'] = 'false';
+        }
+
+        if (isset($config['transaction_isolation'])) {
+            $arguments['TransactionIsolation'] = $config['transaction_isolation'];
+        }
+
+        if (isset($config['multi_subnet_failover'])) {
+            $arguments['MultiSubnetFailover'] = $config['multi_subnet_failover'];
+        }
+
+        if (isset($config['column_encryption'])) {
+            $arguments['ColumnEncryption'] = $config['column_encryption'];
+        }
+
+        if (isset($config['key_store_authentication'])) {
+            $arguments['KeyStoreAuthentication'] = $config['key_store_authentication'];
+        }
+
+        if (isset($config['key_store_principal_id'])) {
+            $arguments['KeyStorePrincipalId'] = $config['key_store_principal_id'];
+        }
+
+        if (isset($config['key_store_secret'])) {
+            $arguments['KeyStoreSecret'] = $config['key_store_secret'];
+        }
+
+        if (isset($config['login_timeout'])) {
+            $arguments['LoginTimeout'] = $config['login_timeout'];
+        }
+
+        return $this->buildConnectString('sqlsrv', $arguments);
+    }
+
+    /**
+     * Build a connection string from the given arguments.
+     *
+     * @param  string  $driver
+     * @param  array  $arguments
+     * @return string
+     */
+    protected function buildConnectString($driver, array $arguments)
+    {
+        return $driver.':'.implode(';', array_map(function ($key) use ($arguments) {
+            return sprintf('%s=%s', $key, $arguments[$key]);
+        }, array_keys($arguments)));
+    }
+
+    /**
+     * Build a host string from the given configuration.
+     *
+     * @param  array  $config
+     * @param  string  $separator
+     * @return string
+     */
+    protected function buildHostString(array $config, $separator)
+    {
+        if (empty($config['port'])) {
+            return $config['host'];
+        }
+
+        return $config['host'].$separator.$config['port'];
+    }
+
+    /**
+     * Get the available PDO drivers.
+     *
+     * @return array
+     */
+    protected function getAvailableDrivers()
+    {
+        return PDO::getAvailableDrivers();
+    }
+}

vendor/illuminate/database/Console/Factories/FactoryMakeCommand.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace Illuminate\Database\Console\Factories;
+
+use Illuminate\Console\GeneratorCommand;
+use Symfony\Component\Console\Input\InputOption;
+
+class FactoryMakeCommand extends GeneratorCommand
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'make:factory';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Create a new model factory';
+
+    /**
+     * The type of class being generated.
+     *
+     * @var string
+     */
+    protected $type = 'Factory';
+
+    /**
+     * Get the stub file for the generator.
+     *
+     * @return string
+     */
+    protected function getStub()
+    {
+        return $this->resolveStubPath('/stubs/factory.stub');
+    }
+
+    /**
+     * Resolve the fully-qualified path to the stub.
+     *
+     * @param  string  $stub
+     * @return string
+     */
+    protected function resolveStubPath($stub)
+    {
+        return file_exists($customPath = $this->laravel->basePath(trim($stub, '/')))
+            ? $customPath
+            : __DIR__.$stub;
+    }
+
+    /**
+     * Build the class with the given name.
+     *
+     * @param  string  $name
+     * @return string
+     */
+    protected function buildClass($name)
+    {
+        $namespaceModel = $this->option('model')
+                        ? $this->qualifyClass($this->option('model'))
+                        : trim($this->rootNamespace(), '\\').'\\Model';
+
+        $model = class_basename($namespaceModel);
+
+        $replace = [
+            'NamespacedDummyModel' => $namespaceModel,
+            '{{ namespacedModel }}' => $namespaceModel,
+            '{{namespacedModel}}' => $namespaceModel,
+            'DummyModel' => $model,
+            '{{ model }}' => $model,
+            '{{model}}' => $model,
+        ];
+
+        return str_replace(
+            array_keys($replace), array_values($replace), parent::buildClass($name)
+        );
+    }
+
+    /**
+     * Get the destination class path.
+     *
+     * @param  string  $name
+     * @return string
+     */
+    protected function getPath($name)
+    {
+        $name = str_replace(
+            ['\\', '/'], '', $this->argument('name')
+        );
+
+        return $this->laravel->databasePath()."/factories/{$name}.php";
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['model', 'm', InputOption::VALUE_OPTIONAL, 'The name of the model'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Factories/stubs/factory.stub

@@ -0,0 +1,12 @@
+<?php
+
+/** @var \Illuminate\Database\Eloquent\Factory $factory */
+
+use Faker\Generator as Faker;
+use {{ namespacedModel }};
+
+$factory->define({{ model }}::class, function (Faker $faker) {
+    return [
+        //
+    ];
+});

vendor/illuminate/database/Console/Migrations/BaseCommand.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\Command;
+
+class BaseCommand extends Command
+{
+    /**
+     * Get all of the migration paths.
+     *
+     * @return array
+     */
+    protected function getMigrationPaths()
+    {
+        // Here, we will check to see if a path option has been defined. If it has we will
+        // use the path relative to the root of the installation folder so our database
+        // migrations may be run for any customized path from within the application.
+        if ($this->input->hasOption('path') && $this->option('path')) {
+            return collect($this->option('path'))->map(function ($path) {
+                return ! $this->usingRealPath()
+                                ? $this->laravel->basePath().'/'.$path
+                                : $path;
+            })->all();
+        }
+
+        return array_merge(
+            $this->migrator->paths(), [$this->getMigrationPath()]
+        );
+    }
+
+    /**
+     * Determine if the given path(s) are pre-resolved "real" paths.
+     *
+     * @return bool
+     */
+    protected function usingRealPath()
+    {
+        return $this->input->hasOption('realpath') && $this->option('realpath');
+    }
+
+    /**
+     * Get the path to the migration directory.
+     *
+     * @return string
+     */
+    protected function getMigrationPath()
+    {
+        return $this->laravel->databasePath().DIRECTORY_SEPARATOR.'migrations';
+    }
+}

vendor/illuminate/database/Console/Migrations/FreshCommand.php

@@ -0,0 +1,106 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\Command;
+use Illuminate\Console\ConfirmableTrait;
+use Symfony\Component\Console\Input\InputOption;
+
+class FreshCommand extends Command
+{
+    use ConfirmableTrait;
+
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'migrate:fresh';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Drop all tables and re-run all migrations';
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        $database = $this->input->getOption('database');
+
+        $this->call('db:wipe', array_filter([
+            '--database' => $database,
+            '--drop-views' => $this->option('drop-views'),
+            '--drop-types' => $this->option('drop-types'),
+            '--force' => true,
+        ]));
+
+        $this->call('migrate', array_filter([
+            '--database' => $database,
+            '--path' => $this->input->getOption('path'),
+            '--realpath' => $this->input->getOption('realpath'),
+            '--force' => true,
+            '--step' => $this->option('step'),
+        ]));
+
+        if ($this->needsSeeding()) {
+            $this->runSeeder($database);
+        }
+
+        return 0;
+    }
+
+    /**
+     * Determine if the developer has requested database seeding.
+     *
+     * @return bool
+     */
+    protected function needsSeeding()
+    {
+        return $this->option('seed') || $this->option('seeder');
+    }
+
+    /**
+     * Run the database seeder command.
+     *
+     * @param  string  $database
+     * @return void
+     */
+    protected function runSeeder($database)
+    {
+        $this->call('db:seed', array_filter([
+            '--database' => $database,
+            '--class' => $this->option('seeder') ?: 'DatabaseSeeder',
+            '--force' => true,
+        ]));
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+            ['drop-views', null, InputOption::VALUE_NONE, 'Drop all tables and views'],
+            ['drop-types', null, InputOption::VALUE_NONE, 'Drop all tables and types (Postgres only)'],
+            ['force', null, InputOption::VALUE_NONE, 'Force the operation to run when in production'],
+            ['path', null, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, 'The path(s) to the migrations files to be executed'],
+            ['realpath', null, InputOption::VALUE_NONE, 'Indicate any provided migration file paths are pre-resolved absolute paths'],
+            ['seed', null, InputOption::VALUE_NONE, 'Indicates if the seed task should be re-run'],
+            ['seeder', null, InputOption::VALUE_OPTIONAL, 'The class name of the root seeder'],
+            ['step', null, InputOption::VALUE_NONE, 'Force the migrations to be run so they can be rolled back individually'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Migrations/InstallCommand.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\Command;
+use Illuminate\Database\Migrations\MigrationRepositoryInterface;
+use Symfony\Component\Console\Input\InputOption;
+
+class InstallCommand extends Command
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'migrate:install';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Create the migration repository';
+
+    /**
+     * The repository instance.
+     *
+     * @var \Illuminate\Database\Migrations\MigrationRepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * Create a new migration install command instance.
+     *
+     * @param  \Illuminate\Database\Migrations\MigrationRepositoryInterface  $repository
+     * @return void
+     */
+    public function __construct(MigrationRepositoryInterface $repository)
+    {
+        parent::__construct();
+
+        $this->repository = $repository;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return void
+     */
+    public function handle()
+    {
+        $this->repository->setSource($this->input->getOption('database'));
+
+        $this->repository->createRepository();
+
+        $this->info('Migration table created successfully.');
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Migrations/MigrateCommand.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\ConfirmableTrait;
+use Illuminate\Database\Migrations\Migrator;
+
+class MigrateCommand extends BaseCommand
+{
+    use ConfirmableTrait;
+
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'migrate {--database= : The database connection to use}
+                {--force : Force the operation to run when in production}
+                {--path=* : The path(s) to the migrations files to be executed}
+                {--realpath : Indicate any provided migration file paths are pre-resolved absolute paths}
+                {--pretend : Dump the SQL queries that would be run}
+                {--seed : Indicates if the seed task should be re-run}
+                {--step : Force the migrations to be run so they can be rolled back individually}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Run the database migrations';
+
+    /**
+     * The migrator instance.
+     *
+     * @var \Illuminate\Database\Migrations\Migrator
+     */
+    protected $migrator;
+
+    /**
+     * Create a new migration command instance.
+     *
+     * @param  \Illuminate\Database\Migrations\Migrator  $migrator
+     * @return void
+     */
+    public function __construct(Migrator $migrator)
+    {
+        parent::__construct();
+
+        $this->migrator = $migrator;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        $this->migrator->usingConnection($this->option('database'), function () {
+            $this->prepareDatabase();
+
+            // Next, we will check to see if a path option has been defined. If it has
+            // we will use the path relative to the root of this installation folder
+            // so that migrations may be run for any path within the applications.
+            $this->migrator->setOutput($this->output)
+                    ->run($this->getMigrationPaths(), [
+                        'pretend' => $this->option('pretend'),
+                        'step' => $this->option('step'),
+                    ]);
+
+            // Finally, if the "seed" option has been given, we will re-run the database
+            // seed task to re-populate the database, which is convenient when adding
+            // a migration and a seed at the same time, as it is only this command.
+            if ($this->option('seed') && ! $this->option('pretend')) {
+                $this->call('db:seed', ['--force' => true]);
+            }
+        });
+
+        return 0;
+    }
+
+    /**
+     * Prepare the migration database for running.
+     *
+     * @return void
+     */
+    protected function prepareDatabase()
+    {
+        if (! $this->migrator->repositoryExists()) {
+            $this->call('migrate:install', array_filter([
+                '--database' => $this->option('database'),
+            ]));
+        }
+    }
+}

vendor/illuminate/database/Console/Migrations/MigrateMakeCommand.php

@@ -0,0 +1,145 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Database\Migrations\MigrationCreator;
+use Illuminate\Support\Composer;
+use Illuminate\Support\Str;
+
+class MigrateMakeCommand extends BaseCommand
+{
+    /**
+     * The console command signature.
+     *
+     * @var string
+     */
+    protected $signature = 'make:migration {name : The name of the migration}
+        {--create= : The table to be created}
+        {--table= : The table to migrate}
+        {--path= : The location where the migration file should be created}
+        {--realpath : Indicate any provided migration file paths are pre-resolved absolute paths}
+        {--fullpath : Output the full path of the migration}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Create a new migration file';
+
+    /**
+     * The migration creator instance.
+     *
+     * @var \Illuminate\Database\Migrations\MigrationCreator
+     */
+    protected $creator;
+
+    /**
+     * The Composer instance.
+     *
+     * @var \Illuminate\Support\Composer
+     */
+    protected $composer;
+
+    /**
+     * Create a new migration install command instance.
+     *
+     * @param  \Illuminate\Database\Migrations\MigrationCreator  $creator
+     * @param  \Illuminate\Support\Composer  $composer
+     * @return void
+     */
+    public function __construct(MigrationCreator $creator, Composer $composer)
+    {
+        parent::__construct();
+
+        $this->creator = $creator;
+        $this->composer = $composer;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return void
+     */
+    public function handle()
+    {
+        // It's possible for the developer to specify the tables to modify in this
+        // schema operation. The developer may also specify if this table needs
+        // to be freshly created so we can create the appropriate migrations.
+        $name = Str::snake(trim($this->input->getArgument('name')));
+
+        $table = $this->input->getOption('table');
+
+        $create = $this->input->getOption('create') ?: false;
+
+        // If no table was given as an option but a create option is given then we
+        // will use the "create" option as the table name. This allows the devs
+        // to pass a table name into this option as a short-cut for creating.
+        if (! $table && is_string($create)) {
+            $table = $create;
+
+            $create = true;
+        }
+
+        // Next, we will attempt to guess the table name if this the migration has
+        // "create" in the name. This will allow us to provide a convenient way
+        // of creating migrations that create new tables for the application.
+        if (! $table) {
+            [$table, $create] = TableGuesser::guess($name);
+        }
+
+        // Now we are ready to write the migration out to disk. Once we've written
+        // the migration out, we will dump-autoload for the entire framework to
+        // make sure that the migrations are registered by the class loaders.
+        $this->writeMigration($name, $table, $create);
+
+        $this->composer->dumpAutoloads();
+    }
+
+    /**
+     * Write the migration file to disk.
+     *
+     * @param  string  $name
+     * @param  string  $table
+     * @param  bool  $create
+     * @return string
+     */
+    protected function writeMigration($name, $table, $create)
+    {
+        $file = $this->creator->create(
+            $name, $this->getMigrationPath(), $table, $create
+        );
+
+        if (! $this->option('fullpath')) {
+            $file = pathinfo($file, PATHINFO_FILENAME);
+        }
+
+        $this->line("<info>Created Migration:</info> {$file}");
+    }
+
+    /**
+     * Get migration path (either specified by '--path' option or default location).
+     *
+     * @return string
+     */
+    protected function getMigrationPath()
+    {
+        if (! is_null($targetPath = $this->input->getOption('path'))) {
+            return ! $this->usingRealPath()
+                            ? $this->laravel->basePath().'/'.$targetPath
+                            : $targetPath;
+        }
+
+        return parent::getMigrationPath();
+    }
+
+    /**
+     * Determine if the given path(s) are pre-resolved "real" paths.
+     *
+     * @return bool
+     */
+    protected function usingRealPath()
+    {
+        return $this->input->hasOption('realpath') && $this->option('realpath');
+    }
+}

vendor/illuminate/database/Console/Migrations/RefreshCommand.php

@@ -0,0 +1,151 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\Command;
+use Illuminate\Console\ConfirmableTrait;
+use Symfony\Component\Console\Input\InputOption;
+
+class RefreshCommand extends Command
+{
+    use ConfirmableTrait;
+
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'migrate:refresh';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Reset and re-run all migrations';
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        // Next we'll gather some of the options so that we can have the right options
+        // to pass to the commands. This includes options such as which database to
+        // use and the path to use for the migration. Then we'll run the command.
+        $database = $this->input->getOption('database');
+
+        $path = $this->input->getOption('path');
+
+        // If the "step" option is specified it means we only want to rollback a small
+        // number of migrations before migrating again. For example, the user might
+        // only rollback and remigrate the latest four migrations instead of all.
+        $step = $this->input->getOption('step') ?: 0;
+
+        if ($step > 0) {
+            $this->runRollback($database, $path, $step);
+        } else {
+            $this->runReset($database, $path);
+        }
+
+        // The refresh command is essentially just a brief aggregate of a few other of
+        // the migration commands and just provides a convenient wrapper to execute
+        // them in succession. We'll also see if we need to re-seed the database.
+        $this->call('migrate', array_filter([
+            '--database' => $database,
+            '--path' => $path,
+            '--realpath' => $this->input->getOption('realpath'),
+            '--force' => true,
+        ]));
+
+        if ($this->needsSeeding()) {
+            $this->runSeeder($database);
+        }
+
+        return 0;
+    }
+
+    /**
+     * Run the rollback command.
+     *
+     * @param  string  $database
+     * @param  string  $path
+     * @param  int  $step
+     * @return void
+     */
+    protected function runRollback($database, $path, $step)
+    {
+        $this->call('migrate:rollback', array_filter([
+            '--database' => $database,
+            '--path' => $path,
+            '--realpath' => $this->input->getOption('realpath'),
+            '--step' => $step,
+            '--force' => true,
+        ]));
+    }
+
+    /**
+     * Run the reset command.
+     *
+     * @param  string  $database
+     * @param  string  $path
+     * @return void
+     */
+    protected function runReset($database, $path)
+    {
+        $this->call('migrate:reset', array_filter([
+            '--database' => $database,
+            '--path' => $path,
+            '--realpath' => $this->input->getOption('realpath'),
+            '--force' => true,
+        ]));
+    }
+
+    /**
+     * Determine if the developer has requested database seeding.
+     *
+     * @return bool
+     */
+    protected function needsSeeding()
+    {
+        return $this->option('seed') || $this->option('seeder');
+    }
+
+    /**
+     * Run the database seeder command.
+     *
+     * @param  string  $database
+     * @return void
+     */
+    protected function runSeeder($database)
+    {
+        $this->call('db:seed', array_filter([
+            '--database' => $database,
+            '--class' => $this->option('seeder') ?: 'DatabaseSeeder',
+            '--force' => true,
+        ]));
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+            ['force', null, InputOption::VALUE_NONE, 'Force the operation to run when in production'],
+            ['path', null, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, 'The path(s) to the migrations files to be executed'],
+            ['realpath', null, InputOption::VALUE_NONE, 'Indicate any provided migration file paths are pre-resolved absolute paths'],
+            ['seed', null, InputOption::VALUE_NONE, 'Indicates if the seed task should be re-run'],
+            ['seeder', null, InputOption::VALUE_OPTIONAL, 'The class name of the root seeder'],
+            ['step', null, InputOption::VALUE_OPTIONAL, 'The number of migrations to be reverted & re-run'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Migrations/ResetCommand.php

@@ -0,0 +1,93 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\ConfirmableTrait;
+use Illuminate\Database\Migrations\Migrator;
+use Symfony\Component\Console\Input\InputOption;
+
+class ResetCommand extends BaseCommand
+{
+    use ConfirmableTrait;
+
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'migrate:reset';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Rollback all database migrations';
+
+    /**
+     * The migrator instance.
+     *
+     * @var \Illuminate\Database\Migrations\Migrator
+     */
+    protected $migrator;
+
+    /**
+     * Create a new migration rollback command instance.
+     *
+     * @param  \Illuminate\Database\Migrations\Migrator  $migrator
+     * @return void
+     */
+    public function __construct(Migrator $migrator)
+    {
+        parent::__construct();
+
+        $this->migrator = $migrator;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        return $this->migrator->usingConnection($this->option('database'), function () {
+            // First, we'll make sure that the migration table actually exists before we
+            // start trying to rollback and re-run all of the migrations. If it's not
+            // present we'll just bail out with an info message for the developers.
+            if (! $this->migrator->repositoryExists()) {
+                return $this->comment('Migration table not found.');
+            }
+
+            $this->migrator->setOutput($this->output)->reset(
+                $this->getMigrationPaths(), $this->option('pretend')
+            );
+        });
+
+        return 0;
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+
+            ['force', null, InputOption::VALUE_NONE, 'Force the operation to run when in production'],
+
+            ['path', null, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, 'The path(s) to the migrations files to be executed'],
+
+            ['realpath', null, InputOption::VALUE_NONE, 'Indicate any provided migration file paths are pre-resolved absolute paths'],
+
+            ['pretend', null, InputOption::VALUE_NONE, 'Dump the SQL queries that would be run'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Migrations/RollbackCommand.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Console\ConfirmableTrait;
+use Illuminate\Database\Migrations\Migrator;
+use Symfony\Component\Console\Input\InputOption;
+
+class RollbackCommand extends BaseCommand
+{
+    use ConfirmableTrait;
+
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'migrate:rollback';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Rollback the last database migration';
+
+    /**
+     * The migrator instance.
+     *
+     * @var \Illuminate\Database\Migrations\Migrator
+     */
+    protected $migrator;
+
+    /**
+     * Create a new migration rollback command instance.
+     *
+     * @param  \Illuminate\Database\Migrations\Migrator  $migrator
+     * @return void
+     */
+    public function __construct(Migrator $migrator)
+    {
+        parent::__construct();
+
+        $this->migrator = $migrator;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        $this->migrator->usingConnection($this->option('database'), function () {
+            $this->migrator->setOutput($this->output)->rollback(
+                $this->getMigrationPaths(), [
+                    'pretend' => $this->option('pretend'),
+                    'step' => (int) $this->option('step'),
+                ]
+            );
+        });
+
+        return 0;
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+
+            ['force', null, InputOption::VALUE_NONE, 'Force the operation to run when in production'],
+
+            ['path', null, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, 'The path(s) to the migrations files to be executed'],
+
+            ['realpath', null, InputOption::VALUE_NONE, 'Indicate any provided migration file paths are pre-resolved absolute paths'],
+
+            ['pretend', null, InputOption::VALUE_NONE, 'Dump the SQL queries that would be run'],
+
+            ['step', null, InputOption::VALUE_OPTIONAL, 'The number of migrations to be reverted'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Migrations/StatusCommand.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+use Illuminate\Database\Migrations\Migrator;
+use Illuminate\Support\Collection;
+use Symfony\Component\Console\Input\InputOption;
+
+class StatusCommand extends BaseCommand
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'migrate:status';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Show the status of each migration';
+
+    /**
+     * The migrator instance.
+     *
+     * @var \Illuminate\Database\Migrations\Migrator
+     */
+    protected $migrator;
+
+    /**
+     * Create a new migration rollback command instance.
+     *
+     * @param  \Illuminate\Database\Migrations\Migrator  $migrator
+     * @return void
+     */
+    public function __construct(Migrator $migrator)
+    {
+        parent::__construct();
+
+        $this->migrator = $migrator;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int|null
+     */
+    public function handle()
+    {
+        return $this->migrator->usingConnection($this->option('database'), function () {
+            if (! $this->migrator->repositoryExists()) {
+                $this->error('Migration table not found.');
+
+                return 1;
+            }
+
+            $ran = $this->migrator->getRepository()->getRan();
+
+            $batches = $this->migrator->getRepository()->getMigrationBatches();
+
+            if (count($migrations = $this->getStatusFor($ran, $batches)) > 0) {
+                $this->table(['Ran?', 'Migration', 'Batch'], $migrations);
+            } else {
+                $this->error('No migrations found');
+            }
+        });
+    }
+
+    /**
+     * Get the status for the given ran migrations.
+     *
+     * @param  array  $ran
+     * @param  array  $batches
+     * @return \Illuminate\Support\Collection
+     */
+    protected function getStatusFor(array $ran, array $batches)
+    {
+        return Collection::make($this->getAllMigrationFiles())
+                    ->map(function ($migration) use ($ran, $batches) {
+                        $migrationName = $this->migrator->getMigrationName($migration);
+
+                        return in_array($migrationName, $ran)
+                                ? ['<info>Yes</info>', $migrationName, $batches[$migrationName]]
+                                : ['<fg=red>No</fg=red>', $migrationName];
+                    });
+    }
+
+    /**
+     * Get an array of all of the migration files.
+     *
+     * @return array
+     */
+    protected function getAllMigrationFiles()
+    {
+        return $this->migrator->getMigrationFiles($this->getMigrationPaths());
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+
+            ['path', null, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, 'The path(s) to the migrations files to use'],
+
+            ['realpath', null, InputOption::VALUE_NONE, 'Indicate any provided migration file paths are pre-resolved absolute paths'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Migrations/TableGuesser.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Illuminate\Database\Console\Migrations;
+
+class TableGuesser
+{
+    const CREATE_PATTERNS = [
+        '/^create_(\w+)_table$/',
+        '/^create_(\w+)$/',
+    ];
+
+    const CHANGE_PATTERNS = [
+        '/_(to|from|in)_(\w+)_table$/',
+        '/_(to|from|in)_(\w+)$/',
+    ];
+
+    /**
+     * Attempt to guess the table name and "creation" status of the given migration.
+     *
+     * @param  string  $migration
+     * @return array
+     */
+    public static function guess($migration)
+    {
+        foreach (self::CREATE_PATTERNS as $pattern) {
+            if (preg_match($pattern, $migration, $matches)) {
+                return [$matches[1], $create = true];
+            }
+        }
+
+        foreach (self::CHANGE_PATTERNS as $pattern) {
+            if (preg_match($pattern, $migration, $matches)) {
+                return [$matches[2], $create = false];
+            }
+        }
+    }
+}

vendor/illuminate/database/Console/Seeds/SeedCommand.php

@@ -0,0 +1,116 @@
+<?php
+
+namespace Illuminate\Database\Console\Seeds;
+
+use Illuminate\Console\Command;
+use Illuminate\Console\ConfirmableTrait;
+use Illuminate\Database\ConnectionResolverInterface as Resolver;
+use Illuminate\Database\Eloquent\Model;
+use Symfony\Component\Console\Input\InputOption;
+
+class SeedCommand extends Command
+{
+    use ConfirmableTrait;
+
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'db:seed';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Seed the database with records';
+
+    /**
+     * The connection resolver instance.
+     *
+     * @var \Illuminate\Database\ConnectionResolverInterface
+     */
+    protected $resolver;
+
+    /**
+     * Create a new database seed command instance.
+     *
+     * @param  \Illuminate\Database\ConnectionResolverInterface  $resolver
+     * @return void
+     */
+    public function __construct(Resolver $resolver)
+    {
+        parent::__construct();
+
+        $this->resolver = $resolver;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        $previousConnection = $this->resolver->getDefaultConnection();
+
+        $this->resolver->setDefaultConnection($this->getDatabase());
+
+        Model::unguarded(function () {
+            $this->getSeeder()->__invoke();
+        });
+
+        if ($previousConnection) {
+            $this->resolver->setDefaultConnection($previousConnection);
+        }
+
+        $this->info('Database seeding completed successfully.');
+
+        return 0;
+    }
+
+    /**
+     * Get a seeder instance from the container.
+     *
+     * @return \Illuminate\Database\Seeder
+     */
+    protected function getSeeder()
+    {
+        $class = $this->laravel->make($this->input->getOption('class'));
+
+        return $class->setContainer($this->laravel)->setCommand($this);
+    }
+
+    /**
+     * Get the name of the database connection to use.
+     *
+     * @return string
+     */
+    protected function getDatabase()
+    {
+        $database = $this->input->getOption('database');
+
+        return $database ?: $this->laravel['config']['database.default'];
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['class', null, InputOption::VALUE_OPTIONAL, 'The class name of the root seeder', 'DatabaseSeeder'],
+
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to seed'],
+
+            ['force', null, InputOption::VALUE_NONE, 'Force the operation to run when in production'],
+        ];
+    }
+}

vendor/illuminate/database/Console/Seeds/SeederMakeCommand.php

@@ -0,0 +1,109 @@
+<?php
+
+namespace Illuminate\Database\Console\Seeds;
+
+use Illuminate\Console\GeneratorCommand;
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Composer;
+
+class SeederMakeCommand extends GeneratorCommand
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'make:seeder';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Create a new seeder class';
+
+    /**
+     * The type of class being generated.
+     *
+     * @var string
+     */
+    protected $type = 'Seeder';
+
+    /**
+     * The Composer instance.
+     *
+     * @var \Illuminate\Support\Composer
+     */
+    protected $composer;
+
+    /**
+     * Create a new command instance.
+     *
+     * @param  \Illuminate\Filesystem\Filesystem  $files
+     * @param  \Illuminate\Support\Composer  $composer
+     * @return void
+     */
+    public function __construct(Filesystem $files, Composer $composer)
+    {
+        parent::__construct($files);
+
+        $this->composer = $composer;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return void
+     */
+    public function handle()
+    {
+        parent::handle();
+
+        $this->composer->dumpAutoloads();
+    }
+
+    /**
+     * Get the stub file for the generator.
+     *
+     * @return string
+     */
+    protected function getStub()
+    {
+        return $this->resolveStubPath('/stubs/seeder.stub');
+    }
+
+    /**
+     * Resolve the fully-qualified path to the stub.
+     *
+     * @param  string  $stub
+     * @return string
+     */
+    protected function resolveStubPath($stub)
+    {
+        return file_exists($customPath = $this->laravel->basePath(trim($stub, '/')))
+            ? $customPath
+            : __DIR__.$stub;
+    }
+
+    /**
+     * Get the destination class path.
+     *
+     * @param  string  $name
+     * @return string
+     */
+    protected function getPath($name)
+    {
+        return $this->laravel->databasePath().'/seeds/'.$name.'.php';
+    }
+
+    /**
+     * Parse the class name and format according to the root namespace.
+     *
+     * @param  string  $name
+     * @return string
+     */
+    protected function qualifyClass($name)
+    {
+        return $name;
+    }
+}

vendor/illuminate/database/Console/Seeds/stubs/seeder.stub

@@ -0,0 +1,16 @@
+<?php
+
+use Illuminate\Database\Seeder;
+
+class {{ class }} extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        //
+    }
+}

vendor/illuminate/database/Console/WipeCommand.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace Illuminate\Database\Console;
+
+use Illuminate\Console\Command;
+use Illuminate\Console\ConfirmableTrait;
+use Symfony\Component\Console\Input\InputOption;
+
+class WipeCommand extends Command
+{
+    use ConfirmableTrait;
+
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'db:wipe';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Drop all tables, views, and types';
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        if (! $this->confirmToProceed()) {
+            return 1;
+        }
+
+        $database = $this->input->getOption('database');
+
+        if ($this->option('drop-views')) {
+            $this->dropAllViews($database);
+
+            $this->info('Dropped all views successfully.');
+        }
+
+        $this->dropAllTables($database);
+
+        $this->info('Dropped all tables successfully.');
+
+        if ($this->option('drop-types')) {
+            $this->dropAllTypes($database);
+
+            $this->info('Dropped all types successfully.');
+        }
+
+        return 0;
+    }
+
+    /**
+     * Drop all of the database tables.
+     *
+     * @param  string  $database
+     * @return void
+     */
+    protected function dropAllTables($database)
+    {
+        $this->laravel['db']->connection($database)
+                    ->getSchemaBuilder()
+                    ->dropAllTables();
+    }
+
+    /**
+     * Drop all of the database views.
+     *
+     * @param  string  $database
+     * @return void
+     */
+    protected function dropAllViews($database)
+    {
+        $this->laravel['db']->connection($database)
+                    ->getSchemaBuilder()
+                    ->dropAllViews();
+    }
+
+    /**
+     * Drop all of the database types.
+     *
+     * @param  string  $database
+     * @return void
+     */
+    protected function dropAllTypes($database)
+    {
+        $this->laravel['db']->connection($database)
+                    ->getSchemaBuilder()
+                    ->dropAllTypes();
+    }
+
+    /**
+     * Get the console command options.
+     *
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return [
+            ['database', null, InputOption::VALUE_OPTIONAL, 'The database connection to use'],
+            ['drop-views', null, InputOption::VALUE_NONE, 'Drop all tables and views'],
+            ['drop-types', null, InputOption::VALUE_NONE, 'Drop all tables and types (Postgres only)'],
+            ['force', null, InputOption::VALUE_NONE, 'Force the operation to run when in production'],
+        ];
+    }
+}

vendor/illuminate/database/DatabaseManager.php

@@ -0,0 +1,369 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Database\Connectors\ConnectionFactory;
+use Illuminate\Support\Arr;
+use Illuminate\Support\ConfigurationUrlParser;
+use Illuminate\Support\Str;
+use InvalidArgumentException;
+use PDO;
+
+/**
+ * @mixin \Illuminate\Database\Connection
+ */
+class DatabaseManager implements ConnectionResolverInterface
+{
+    /**
+     * The application instance.
+     *
+     * @var \Illuminate\Contracts\Foundation\Application
+     */
+    protected $app;
+
+    /**
+     * The database connection factory instance.
+     *
+     * @var \Illuminate\Database\Connectors\ConnectionFactory
+     */
+    protected $factory;
+
+    /**
+     * The active connection instances.
+     *
+     * @var array
+     */
+    protected $connections = [];
+
+    /**
+     * The custom connection resolvers.
+     *
+     * @var array
+     */
+    protected $extensions = [];
+
+    /**
+     * The callback to be executed to reconnect to a database.
+     *
+     * @var callable
+     */
+    protected $reconnector;
+
+    /**
+     * Create a new database manager instance.
+     *
+     * @param  \Illuminate\Contracts\Foundation\Application  $app
+     * @param  \Illuminate\Database\Connectors\ConnectionFactory  $factory
+     * @return void
+     */
+    public function __construct($app, ConnectionFactory $factory)
+    {
+        $this->app = $app;
+        $this->factory = $factory;
+
+        $this->reconnector = function ($connection) {
+            $this->reconnect($connection->getName());
+        };
+    }
+
+    /**
+     * Get a database connection instance.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Database\Connection
+     */
+    public function connection($name = null)
+    {
+        [$database, $type] = $this->parseConnectionName($name);
+
+        $name = $name ?: $database;
+
+        // If we haven't created this connection, we'll create it based on the config
+        // provided in the application. Once we've created the connections we will
+        // set the "fetch mode" for PDO which determines the query return types.
+        if (! isset($this->connections[$name])) {
+            $this->connections[$name] = $this->configure(
+                $this->makeConnection($database), $type
+            );
+        }
+
+        return $this->connections[$name];
+    }
+
+    /**
+     * Parse the connection into an array of the name and read / write type.
+     *
+     * @param  string  $name
+     * @return array
+     */
+    protected function parseConnectionName($name)
+    {
+        $name = $name ?: $this->getDefaultConnection();
+
+        return Str::endsWith($name, ['::read', '::write'])
+                            ? explode('::', $name, 2) : [$name, null];
+    }
+
+    /**
+     * Make the database connection instance.
+     *
+     * @param  string  $name
+     * @return \Illuminate\Database\Connection
+     */
+    protected function makeConnection($name)
+    {
+        $config = $this->configuration($name);
+
+        // First we will check by the connection name to see if an extension has been
+        // registered specifically for that connection. If it has we will call the
+        // Closure and pass it the config allowing it to resolve the connection.
+        if (isset($this->extensions[$name])) {
+            return call_user_func($this->extensions[$name], $config, $name);
+        }
+
+        // Next we will check to see if an extension has been registered for a driver
+        // and will call the Closure if so, which allows us to have a more generic
+        // resolver for the drivers themselves which applies to all connections.
+        if (isset($this->extensions[$driver = $config['driver']])) {
+            return call_user_func($this->extensions[$driver], $config, $name);
+        }
+
+        return $this->factory->make($config, $name);
+    }
+
+    /**
+     * Get the configuration for a connection.
+     *
+     * @param  string  $name
+     * @return array
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function configuration($name)
+    {
+        $name = $name ?: $this->getDefaultConnection();
+
+        // To get the database connection configuration, we will just pull each of the
+        // connection configurations and get the configurations for the given name.
+        // If the configuration doesn't exist, we'll throw an exception and bail.
+        $connections = $this->app['config']['database.connections'];
+
+        if (is_null($config = Arr::get($connections, $name))) {
+            throw new InvalidArgumentException("Database connection [{$name}] not configured.");
+        }
+
+        return (new ConfigurationUrlParser)
+                    ->parseConfiguration($config);
+    }
+
+    /**
+     * Prepare the database connection instance.
+     *
+     * @param  \Illuminate\Database\Connection  $connection
+     * @param  string  $type
+     * @return \Illuminate\Database\Connection
+     */
+    protected function configure(Connection $connection, $type)
+    {
+        $connection = $this->setPdoForType($connection, $type);
+
+        // First we'll set the fetch mode and a few other dependencies of the database
+        // connection. This method basically just configures and prepares it to get
+        // used by the application. Once we're finished we'll return it back out.
+        if ($this->app->bound('events')) {
+            $connection->setEventDispatcher($this->app['events']);
+        }
+
+        // Here we'll set a reconnector callback. This reconnector can be any callable
+        // so we will set a Closure to reconnect from this manager with the name of
+        // the connection, which will allow us to reconnect from the connections.
+        $connection->setReconnector($this->reconnector);
+
+        return $connection;
+    }
+
+    /**
+     * Prepare the read / write mode for database connection instance.
+     *
+     * @param  \Illuminate\Database\Connection  $connection
+     * @param  string|null  $type
+     * @return \Illuminate\Database\Connection
+     */
+    protected function setPdoForType(Connection $connection, $type = null)
+    {
+        if ($type === 'read') {
+            $connection->setPdo($connection->getReadPdo());
+        } elseif ($type === 'write') {
+            $connection->setReadPdo($connection->getPdo());
+        }
+
+        return $connection;
+    }
+
+    /**
+     * Disconnect from the given database and remove from local cache.
+     *
+     * @param  string|null  $name
+     * @return void
+     */
+    public function purge($name = null)
+    {
+        $name = $name ?: $this->getDefaultConnection();
+
+        $this->disconnect($name);
+
+        unset($this->connections[$name]);
+    }
+
+    /**
+     * Disconnect from the given database.
+     *
+     * @param  string|null  $name
+     * @return void
+     */
+    public function disconnect($name = null)
+    {
+        if (isset($this->connections[$name = $name ?: $this->getDefaultConnection()])) {
+            $this->connections[$name]->disconnect();
+        }
+    }
+
+    /**
+     * Reconnect to the given database.
+     *
+     * @param  string|null  $name
+     * @return \Illuminate\Database\Connection
+     */
+    public function reconnect($name = null)
+    {
+        $this->disconnect($name = $name ?: $this->getDefaultConnection());
+
+        if (! isset($this->connections[$name])) {
+            return $this->connection($name);
+        }
+
+        return $this->refreshPdoConnections($name);
+    }
+
+    /**
+     * Set the default database connection for the callback execution.
+     *
+     * @param  string  $name
+     * @param  callable  $callback
+     * @return mixed
+     */
+    public function usingConnection($name, callable $callback)
+    {
+        $previousName = $this->getDefaultConnection();
+
+        $this->setDefaultConnection($name);
+
+        return tap($callback(), function () use ($previousName) {
+            $this->setDefaultConnection($previousName);
+        });
+    }
+
+    /**
+     * Refresh the PDO connections on a given connection.
+     *
+     * @param  string  $name
+     * @return \Illuminate\Database\Connection
+     */
+    protected function refreshPdoConnections($name)
+    {
+        $fresh = $this->makeConnection($name);
+
+        return $this->connections[$name]
+                                ->setPdo($fresh->getRawPdo())
+                                ->setReadPdo($fresh->getRawReadPdo());
+    }
+
+    /**
+     * Get the default connection name.
+     *
+     * @return string
+     */
+    public function getDefaultConnection()
+    {
+        return $this->app['config']['database.default'];
+    }
+
+    /**
+     * Set the default connection name.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function setDefaultConnection($name)
+    {
+        $this->app['config']['database.default'] = $name;
+    }
+
+    /**
+     * Get all of the support drivers.
+     *
+     * @return array
+     */
+    public function supportedDrivers()
+    {
+        return ['mysql', 'pgsql', 'sqlite', 'sqlsrv'];
+    }
+
+    /**
+     * Get all of the drivers that are actually available.
+     *
+     * @return array
+     */
+    public function availableDrivers()
+    {
+        return array_intersect(
+            $this->supportedDrivers(),
+            str_replace('dblib', 'sqlsrv', PDO::getAvailableDrivers())
+        );
+    }
+
+    /**
+     * Register an extension connection resolver.
+     *
+     * @param  string  $name
+     * @param  callable  $resolver
+     * @return void
+     */
+    public function extend($name, callable $resolver)
+    {
+        $this->extensions[$name] = $resolver;
+    }
+
+    /**
+     * Return all of the created connections.
+     *
+     * @return array
+     */
+    public function getConnections()
+    {
+        return $this->connections;
+    }
+
+    /**
+     * Set the database reconnector callback.
+     *
+     * @param  callable  $reconnector
+     * @return void
+     */
+    public function setReconnector(callable $reconnector)
+    {
+        $this->reconnector = $reconnector;
+    }
+
+    /**
+     * Dynamically pass methods to the default connection.
+     *
+     * @param  string  $method
+     * @param  array  $parameters
+     * @return mixed
+     */
+    public function __call($method, $parameters)
+    {
+        return $this->connection()->$method(...$parameters);
+    }
+}

vendor/illuminate/database/DatabaseServiceProvider.php

@@ -0,0 +1,114 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Faker\Factory as FakerFactory;
+use Faker\Generator as FakerGenerator;
+use Illuminate\Contracts\Queue\EntityResolver;
+use Illuminate\Database\Connectors\ConnectionFactory;
+use Illuminate\Database\Eloquent\Factory as EloquentFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\QueueEntityResolver;
+use Illuminate\Support\ServiceProvider;
+
+class DatabaseServiceProvider extends ServiceProvider
+{
+    /**
+     * The array of resolved Faker instances.
+     *
+     * @var array
+     */
+    protected static $fakers = [];
+
+    /**
+     * Bootstrap the application events.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        Model::setConnectionResolver($this->app['db']);
+
+        Model::setEventDispatcher($this->app['events']);
+    }
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        Model::clearBootedModels();
+
+        $this->registerConnectionServices();
+
+        $this->registerEloquentFactory();
+
+        $this->registerQueueableEntityResolver();
+    }
+
+    /**
+     * Register the primary database bindings.
+     *
+     * @return void
+     */
+    protected function registerConnectionServices()
+    {
+        // The connection factory is used to create the actual connection instances on
+        // the database. We will inject the factory into the manager so that it may
+        // make the connections while they are actually needed and not of before.
+        $this->app->singleton('db.factory', function ($app) {
+            return new ConnectionFactory($app);
+        });
+
+        // The database manager is used to resolve various connections, since multiple
+        // connections might be managed. It also implements the connection resolver
+        // interface which may be used by other components requiring connections.
+        $this->app->singleton('db', function ($app) {
+            return new DatabaseManager($app, $app['db.factory']);
+        });
+
+        $this->app->bind('db.connection', function ($app) {
+            return $app['db']->connection();
+        });
+    }
+
+    /**
+     * Register the Eloquent factory instance in the container.
+     *
+     * @return void
+     */
+    protected function registerEloquentFactory()
+    {
+        $this->app->singleton(FakerGenerator::class, function ($app, $parameters) {
+            $locale = $parameters['locale'] ?? $app['config']->get('app.faker_locale', 'en_US');
+
+            if (! isset(static::$fakers[$locale])) {
+                static::$fakers[$locale] = FakerFactory::create($locale);
+            }
+
+            static::$fakers[$locale]->unique(true);
+
+            return static::$fakers[$locale];
+        });
+
+        $this->app->singleton(EloquentFactory::class, function ($app) {
+            return EloquentFactory::construct(
+                $app->make(FakerGenerator::class), $this->app->databasePath('factories')
+            );
+        });
+    }
+
+    /**
+     * Register the queueable entity resolver implementation.
+     *
+     * @return void
+     */
+    protected function registerQueueableEntityResolver()
+    {
+        $this->app->singleton(EntityResolver::class, function () {
+            return new QueueEntityResolver;
+        });
+    }
+}

vendor/illuminate/database/DetectsConcurrencyErrors.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Support\Str;
+use PDOException;
+use Throwable;
+
+trait DetectsConcurrencyErrors
+{
+    /**
+     * Determine if the given exception was caused by a concurrency error such as a deadlock or serialization failure.
+     *
+     * @param  \Throwable  $e
+     * @return bool
+     */
+    protected function causedByConcurrencyError(Throwable $e)
+    {
+        if ($e instanceof PDOException && $e->getCode() === '40001') {
+            return true;
+        }
+
+        $message = $e->getMessage();
+
+        return Str::contains($message, [
+            'Deadlock found when trying to get lock',
+            'deadlock detected',
+            'The database file is locked',
+            'database is locked',
+            'database table is locked',
+            'A table in the database is locked',
+            'has been chosen as the deadlock victim',
+            'Lock wait timeout exceeded; try restarting transaction',
+            'WSREP detected deadlock/conflict and aborted the transaction. Try restarting the transaction',
+        ]);
+    }
+}

vendor/illuminate/database/DetectsLostConnections.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Support\Str;
+use Throwable;
+
+trait DetectsLostConnections
+{
+    /**
+     * Determine if the given exception was caused by a lost connection.
+     *
+     * @param  \Throwable  $e
+     * @return bool
+     */
+    protected function causedByLostConnection(Throwable $e)
+    {
+        $message = $e->getMessage();
+
+        return Str::contains($message, [
+            'server has gone away',
+            'no connection to the server',
+            'Lost connection',
+            'is dead or not enabled',
+            'Error while sending',
+            'decryption failed or bad record mac',
+            'server closed the connection unexpectedly',
+            'SSL connection has been closed unexpectedly',
+            'Error writing data to the connection',
+            'Resource deadlock avoided',
+            'Transaction() on null',
+            'child connection forced to terminate due to client_idle_limit',
+            'query_wait_timeout',
+            'reset by peer',
+            'Physical connection is not usable',
+            'TCP Provider: Error code 0x68',
+            'ORA-03114',
+            'Packets out of order. Expected',
+            'Adaptive Server connection failed',
+            'Communication link failure',
+            'connection is no longer usable',
+            'Login timeout expired',
+            'SQLSTATE[HY000] [2002] Connection refused',
+            'running with the --read-only option so it cannot execute this statement',
+            'The connection is broken and recovery is not possible. The connection is marked by the client driver as unrecoverable. No attempt was made to restore the connection.',
+            'SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Try again',
+            'SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known',
+            'SQLSTATE[HY000]: General error: 7 SSL SYSCALL error: EOF detected',
+            'SQLSTATE[HY000] [2002] Connection timed out',
+            'SSL: Connection timed out',
+            'SQLSTATE[HY000]: General error: 1105 The last transaction was aborted due to Seamless Scaling. Please retry.',
+            'Temporary failure in name resolution',
+        ]);
+    }
+}

vendor/illuminate/database/Eloquent/Collection.php

@@ -0,0 +1,674 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use Illuminate\Contracts\Queue\QueueableCollection;
+use Illuminate\Contracts\Queue\QueueableEntity;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Collection as BaseCollection;
+use Illuminate\Support\Str;
+use LogicException;
+
+class Collection extends BaseCollection implements QueueableCollection
+{
+    /**
+     * Find a model in the collection by key.
+     *
+     * @param  mixed  $key
+     * @param  mixed  $default
+     * @return \Illuminate\Database\Eloquent\Model|static|null
+     */
+    public function find($key, $default = null)
+    {
+        if ($key instanceof Model) {
+            $key = $key->getKey();
+        }
+
+        if ($key instanceof Arrayable) {
+            $key = $key->toArray();
+        }
+
+        if (is_array($key)) {
+            if ($this->isEmpty()) {
+                return new static;
+            }
+
+            return $this->whereIn($this->first()->getKeyName(), $key);
+        }
+
+        return Arr::first($this->items, function ($model) use ($key) {
+            return $model->getKey() == $key;
+        }, $default);
+    }
+
+    /**
+     * Load a set of relationships onto the collection.
+     *
+     * @param  array|string  $relations
+     * @return $this
+     */
+    public function load($relations)
+    {
+        if ($this->isNotEmpty()) {
+            if (is_string($relations)) {
+                $relations = func_get_args();
+            }
+
+            $query = $this->first()->newQueryWithoutRelationships()->with($relations);
+
+            $this->items = $query->eagerLoadRelations($this->items);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Load a set of relationship counts onto the collection.
+     *
+     * @param  array|string  $relations
+     * @return $this
+     */
+    public function loadCount($relations)
+    {
+        if ($this->isEmpty()) {
+            return $this;
+        }
+
+        $models = $this->first()->newModelQuery()
+            ->whereKey($this->modelKeys())
+            ->select($this->first()->getKeyName())
+            ->withCount(...func_get_args())
+            ->get()
+            ->keyBy($this->first()->getKeyName());
+
+        $attributes = Arr::except(
+            array_keys($models->first()->getAttributes()),
+            $models->first()->getKeyName()
+        );
+
+        $this->each(function ($model) use ($models, $attributes) {
+            $extraAttributes = Arr::only($models->get($model->getKey())->getAttributes(), $attributes);
+
+            $model->forceFill($extraAttributes)->syncOriginalAttributes($attributes);
+        });
+
+        return $this;
+    }
+
+    /**
+     * Load a set of relationships onto the collection if they are not already eager loaded.
+     *
+     * @param  array|string  $relations
+     * @return $this
+     */
+    public function loadMissing($relations)
+    {
+        if (is_string($relations)) {
+            $relations = func_get_args();
+        }
+
+        foreach ($relations as $key => $value) {
+            if (is_numeric($key)) {
+                $key = $value;
+            }
+
+            $segments = explode('.', explode(':', $key)[0]);
+
+            if (Str::contains($key, ':')) {
+                $segments[count($segments) - 1] .= ':'.explode(':', $key)[1];
+            }
+
+            $path = [];
+
+            foreach ($segments as $segment) {
+                $path[] = [$segment => $segment];
+            }
+
+            if (is_callable($value)) {
+                $path[count($segments) - 1][end($segments)] = $value;
+            }
+
+            $this->loadMissingRelation($this, $path);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Load a relationship path if it is not already eager loaded.
+     *
+     * @param  \Illuminate\Database\Eloquent\Collection  $models
+     * @param  array  $path
+     * @return void
+     */
+    protected function loadMissingRelation(self $models, array $path)
+    {
+        $relation = array_shift($path);
+
+        $name = explode(':', key($relation))[0];
+
+        if (is_string(reset($relation))) {
+            $relation = reset($relation);
+        }
+
+        $models->filter(function ($model) use ($name) {
+            return ! is_null($model) && ! $model->relationLoaded($name);
+        })->load($relation);
+
+        if (empty($path)) {
+            return;
+        }
+
+        $models = $models->pluck($name);
+
+        if ($models->first() instanceof BaseCollection) {
+            $models = $models->collapse();
+        }
+
+        $this->loadMissingRelation(new static($models), $path);
+    }
+
+    /**
+     * Load a set of relationships onto the mixed relationship collection.
+     *
+     * @param  string  $relation
+     * @param  array  $relations
+     * @return $this
+     */
+    public function loadMorph($relation, $relations)
+    {
+        $this->pluck($relation)
+            ->filter()
+            ->groupBy(function ($model) {
+                return get_class($model);
+            })
+            ->each(function ($models, $className) use ($relations) {
+                static::make($models)->load($relations[$className] ?? []);
+            });
+
+        return $this;
+    }
+
+    /**
+     * Load a set of relationship counts onto the mixed relationship collection.
+     *
+     * @param  string  $relation
+     * @param  array  $relations
+     * @return $this
+     */
+    public function loadMorphCount($relation, $relations)
+    {
+        $this->pluck($relation)
+            ->filter()
+            ->groupBy(function ($model) {
+                return get_class($model);
+            })
+            ->each(function ($models, $className) use ($relations) {
+                static::make($models)->loadCount($relations[$className] ?? []);
+            });
+
+        return $this;
+    }
+
+    /**
+     * Determine if a key exists in the collection.
+     *
+     * @param  mixed  $key
+     * @param  mixed  $operator
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function contains($key, $operator = null, $value = null)
+    {
+        if (func_num_args() > 1 || $this->useAsCallable($key)) {
+            return parent::contains(...func_get_args());
+        }
+
+        if ($key instanceof Model) {
+            return parent::contains(function ($model) use ($key) {
+                return $model->is($key);
+            });
+        }
+
+        return parent::contains(function ($model) use ($key) {
+            return $model->getKey() == $key;
+        });
+    }
+
+    /**
+     * Get the array of primary keys.
+     *
+     * @return array
+     */
+    public function modelKeys()
+    {
+        return array_map(function ($model) {
+            return $model->getKey();
+        }, $this->items);
+    }
+
+    /**
+     * Merge the collection with the given items.
+     *
+     * @param  \ArrayAccess|array  $items
+     * @return static
+     */
+    public function merge($items)
+    {
+        $dictionary = $this->getDictionary();
+
+        foreach ($items as $item) {
+            $dictionary[$item->getKey()] = $item;
+        }
+
+        return new static(array_values($dictionary));
+    }
+
+    /**
+     * Run a map over each of the items.
+     *
+     * @param  callable  $callback
+     * @return \Illuminate\Support\Collection|static
+     */
+    public function map(callable $callback)
+    {
+        $result = parent::map($callback);
+
+        return $result->contains(function ($item) {
+            return ! $item instanceof Model;
+        }) ? $result->toBase() : $result;
+    }
+
+    /**
+     * Run an associative map over each of the items.
+     *
+     * The callback should return an associative array with a single key / value pair.
+     *
+     * @param  callable  $callback
+     * @return \Illuminate\Support\Collection|static
+     */
+    public function mapWithKeys(callable $callback)
+    {
+        $result = parent::mapWithKeys($callback);
+
+        return $result->contains(function ($item) {
+            return ! $item instanceof Model;
+        }) ? $result->toBase() : $result;
+    }
+
+    /**
+     * Reload a fresh model instance from the database for all the entities.
+     *
+     * @param  array|string  $with
+     * @return static
+     */
+    public function fresh($with = [])
+    {
+        if ($this->isEmpty()) {
+            return new static;
+        }
+
+        $model = $this->first();
+
+        $freshModels = $model->newQueryWithoutScopes()
+            ->with(is_string($with) ? func_get_args() : $with)
+            ->whereIn($model->getKeyName(), $this->modelKeys())
+            ->get()
+            ->getDictionary();
+
+        return $this->map(function ($model) use ($freshModels) {
+            return $model->exists && isset($freshModels[$model->getKey()])
+                    ? $freshModels[$model->getKey()] : null;
+        });
+    }
+
+    /**
+     * Diff the collection with the given items.
+     *
+     * @param  \ArrayAccess|array  $items
+     * @return static
+     */
+    public function diff($items)
+    {
+        $diff = new static;
+
+        $dictionary = $this->getDictionary($items);
+
+        foreach ($this->items as $item) {
+            if (! isset($dictionary[$item->getKey()])) {
+                $diff->add($item);
+            }
+        }
+
+        return $diff;
+    }
+
+    /**
+     * Intersect the collection with the given items.
+     *
+     * @param  \ArrayAccess|array  $items
+     * @return static
+     */
+    public function intersect($items)
+    {
+        $intersect = new static;
+
+        if (empty($items)) {
+            return $intersect;
+        }
+
+        $dictionary = $this->getDictionary($items);
+
+        foreach ($this->items as $item) {
+            if (isset($dictionary[$item->getKey()])) {
+                $intersect->add($item);
+            }
+        }
+
+        return $intersect;
+    }
+
+    /**
+     * Return only unique items from the collection.
+     *
+     * @param  string|callable|null  $key
+     * @param  bool  $strict
+     * @return static
+     */
+    public function unique($key = null, $strict = false)
+    {
+        if (! is_null($key)) {
+            return parent::unique($key, $strict);
+        }
+
+        return new static(array_values($this->getDictionary()));
+    }
+
+    /**
+     * Returns only the models from the collection with the specified keys.
+     *
+     * @param  mixed  $keys
+     * @return static
+     */
+    public function only($keys)
+    {
+        if (is_null($keys)) {
+            return new static($this->items);
+        }
+
+        $dictionary = Arr::only($this->getDictionary(), $keys);
+
+        return new static(array_values($dictionary));
+    }
+
+    /**
+     * Returns all models in the collection except the models with specified keys.
+     *
+     * @param  mixed  $keys
+     * @return static
+     */
+    public function except($keys)
+    {
+        $dictionary = Arr::except($this->getDictionary(), $keys);
+
+        return new static(array_values($dictionary));
+    }
+
+    /**
+     * Make the given, typically visible, attributes hidden across the entire collection.
+     *
+     * @param  array|string  $attributes
+     * @return $this
+     */
+    public function makeHidden($attributes)
+    {
+        return $this->each->makeHidden($attributes);
+    }
+
+    /**
+     * Make the given, typically hidden, attributes visible across the entire collection.
+     *
+     * @param  array|string  $attributes
+     * @return $this
+     */
+    public function makeVisible($attributes)
+    {
+        return $this->each->makeVisible($attributes);
+    }
+
+    /**
+     * Append an attribute across the entire collection.
+     *
+     * @param  array|string  $attributes
+     * @return $this
+     */
+    public function append($attributes)
+    {
+        return $this->each->append($attributes);
+    }
+
+    /**
+     * Get a dictionary keyed by primary keys.
+     *
+     * @param  \ArrayAccess|array|null  $items
+     * @return array
+     */
+    public function getDictionary($items = null)
+    {
+        $items = is_null($items) ? $this->items : $items;
+
+        $dictionary = [];
+
+        foreach ($items as $value) {
+            $dictionary[$value->getKey()] = $value;
+        }
+
+        return $dictionary;
+    }
+
+    /**
+     * The following methods are intercepted to always return base collections.
+     */
+
+    /**
+     * Get an array with the values of a given key.
+     *
+     * @param  string|array  $value
+     * @param  string|null  $key
+     * @return \Illuminate\Support\Collection
+     */
+    public function pluck($value, $key = null)
+    {
+        return $this->toBase()->pluck($value, $key);
+    }
+
+    /**
+     * Get the keys of the collection items.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function keys()
+    {
+        return $this->toBase()->keys();
+    }
+
+    /**
+     * Zip the collection together with one or more arrays.
+     *
+     * @param  mixed  ...$items
+     * @return \Illuminate\Support\Collection
+     */
+    public function zip($items)
+    {
+        return $this->toBase()->zip(...func_get_args());
+    }
+
+    /**
+     * Collapse the collection of items into a single array.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function collapse()
+    {
+        return $this->toBase()->collapse();
+    }
+
+    /**
+     * Get a flattened array of the items in the collection.
+     *
+     * @param  int  $depth
+     * @return \Illuminate\Support\Collection
+     */
+    public function flatten($depth = INF)
+    {
+        return $this->toBase()->flatten($depth);
+    }
+
+    /**
+     * Flip the items in the collection.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function flip()
+    {
+        return $this->toBase()->flip();
+    }
+
+    /**
+     * Pad collection to the specified length with a value.
+     *
+     * @param  int  $size
+     * @param  mixed  $value
+     * @return \Illuminate\Support\Collection
+     */
+    public function pad($size, $value)
+    {
+        return $this->toBase()->pad($size, $value);
+    }
+
+    /**
+     * Get the comparison function to detect duplicates.
+     *
+     * @param  bool  $strict
+     * @return \Closure
+     */
+    protected function duplicateComparator($strict)
+    {
+        return function ($a, $b) {
+            return $a->is($b);
+        };
+    }
+
+    /**
+     * Get the type of the entities being queued.
+     *
+     * @return string|null
+     *
+     * @throws \LogicException
+     */
+    public function getQueueableClass()
+    {
+        if ($this->isEmpty()) {
+            return;
+        }
+
+        $class = get_class($this->first());
+
+        $this->each(function ($model) use ($class) {
+            if (get_class($model) !== $class) {
+                throw new LogicException('Queueing collections with multiple model types is not supported.');
+            }
+        });
+
+        return $class;
+    }
+
+    /**
+     * Get the identifiers for all of the entities.
+     *
+     * @return array
+     */
+    public function getQueueableIds()
+    {
+        if ($this->isEmpty()) {
+            return [];
+        }
+
+        return $this->first() instanceof QueueableEntity
+                    ? $this->map->getQueueableId()->all()
+                    : $this->modelKeys();
+    }
+
+    /**
+     * Get the relationships of the entities being queued.
+     *
+     * @return array
+     */
+    public function getQueueableRelations()
+    {
+        if ($this->isEmpty()) {
+            return [];
+        }
+
+        $relations = $this->map->getQueueableRelations()->all();
+
+        if (count($relations) === 0 || $relations === [[]]) {
+            return [];
+        } elseif (count($relations) === 1) {
+            return reset($relations);
+        } else {
+            return array_intersect(...$relations);
+        }
+    }
+
+    /**
+     * Get the connection of the entities being queued.
+     *
+     * @return string|null
+     *
+     * @throws \LogicException
+     */
+    public function getQueueableConnection()
+    {
+        if ($this->isEmpty()) {
+            return;
+        }
+
+        $connection = $this->first()->getConnectionName();
+
+        $this->each(function ($model) use ($connection) {
+            if ($model->getConnectionName() !== $connection) {
+                throw new LogicException('Queueing collections with multiple model connections is not supported.');
+            }
+        });
+
+        return $connection;
+    }
+
+    /**
+     * Get the Eloquent query builder from the collection.
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     *
+     * @throws \LogicException
+     */
+    public function toQuery()
+    {
+        $model = $this->first();
+
+        if (! $model) {
+            throw new LogicException('Unable to create query for empty collection.');
+        }
+
+        $class = get_class($model);
+
+        if ($this->filter(function ($model) use ($class) {
+            return ! $model instanceof $class;
+        })->isNotEmpty()) {
+            throw new LogicException('Unable to create query for collection with mixed types.');
+        }
+
+        return $model->newModelQuery()->whereKey($this->modelKeys());
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/GuardsAttributes.php

@@ -0,0 +1,250 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Illuminate\Support\Str;
+
+trait GuardsAttributes
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = [];
+
+    /**
+     * The attributes that aren't mass assignable.
+     *
+     * @var array
+     */
+    protected $guarded = ['*'];
+
+    /**
+     * Indicates if all mass assignment is enabled.
+     *
+     * @var bool
+     */
+    protected static $unguarded = false;
+
+    /**
+     * The actual columns that exist on the database and can be guarded.
+     *
+     * @var array
+     */
+    protected static $guardableColumns = [];
+
+    /**
+     * Get the fillable attributes for the model.
+     *
+     * @return array
+     */
+    public function getFillable()
+    {
+        return $this->fillable;
+    }
+
+    /**
+     * Set the fillable attributes for the model.
+     *
+     * @param  array  $fillable
+     * @return $this
+     */
+    public function fillable(array $fillable)
+    {
+        $this->fillable = $fillable;
+
+        return $this;
+    }
+
+    /**
+     * Merge new fillable attributes with existing fillable attributes on the model.
+     *
+     * @param  array  $fillable
+     * @return $this
+     */
+    public function mergeFillable(array $fillable)
+    {
+        $this->fillable = array_merge($this->fillable, $fillable);
+
+        return $this;
+    }
+
+    /**
+     * Get the guarded attributes for the model.
+     *
+     * @return array
+     */
+    public function getGuarded()
+    {
+        return $this->guarded;
+    }
+
+    /**
+     * Set the guarded attributes for the model.
+     *
+     * @param  array  $guarded
+     * @return $this
+     */
+    public function guard(array $guarded)
+    {
+        $this->guarded = $guarded;
+
+        return $this;
+    }
+
+    /**
+     * Merge new guarded attributes with existing guarded attributes on the model.
+     *
+     * @param  array  $guarded
+     * @return $this
+     */
+    public function mergeGuarded(array $guarded)
+    {
+        $this->guarded = array_merge($this->guarded, $guarded);
+
+        return $this;
+    }
+
+    /**
+     * Disable all mass assignable restrictions.
+     *
+     * @param  bool  $state
+     * @return void
+     */
+    public static function unguard($state = true)
+    {
+        static::$unguarded = $state;
+    }
+
+    /**
+     * Enable the mass assignment restrictions.
+     *
+     * @return void
+     */
+    public static function reguard()
+    {
+        static::$unguarded = false;
+    }
+
+    /**
+     * Determine if current state is "unguarded".
+     *
+     * @return bool
+     */
+    public static function isUnguarded()
+    {
+        return static::$unguarded;
+    }
+
+    /**
+     * Run the given callable while being unguarded.
+     *
+     * @param  callable  $callback
+     * @return mixed
+     */
+    public static function unguarded(callable $callback)
+    {
+        if (static::$unguarded) {
+            return $callback();
+        }
+
+        static::unguard();
+
+        try {
+            return $callback();
+        } finally {
+            static::reguard();
+        }
+    }
+
+    /**
+     * Determine if the given attribute may be mass assigned.
+     *
+     * @param  string  $key
+     * @return bool
+     */
+    public function isFillable($key)
+    {
+        if (static::$unguarded) {
+            return true;
+        }
+
+        // If the key is in the "fillable" array, we can of course assume that it's
+        // a fillable attribute. Otherwise, we will check the guarded array when
+        // we need to determine if the attribute is black-listed on the model.
+        if (in_array($key, $this->getFillable())) {
+            return true;
+        }
+
+        // If the attribute is explicitly listed in the "guarded" array then we can
+        // return false immediately. This means this attribute is definitely not
+        // fillable and there is no point in going any further in this method.
+        if ($this->isGuarded($key)) {
+            return false;
+        }
+
+        return empty($this->getFillable()) &&
+            strpos($key, '.') === false &&
+            ! Str::startsWith($key, '_');
+    }
+
+    /**
+     * Determine if the given key is guarded.
+     *
+     * @param  string  $key
+     * @return bool
+     */
+    public function isGuarded($key)
+    {
+        if (empty($this->getGuarded())) {
+            return false;
+        }
+
+        return $this->getGuarded() == ['*'] ||
+               ! empty(preg_grep('/^'.preg_quote($key).'$/i', $this->getGuarded())) ||
+               ! $this->isGuardableColumn($key);
+    }
+
+    /**
+     * Determine if the given column is a valid, guardable column.
+     *
+     * @param  string  $key
+     * @return bool
+     */
+    protected function isGuardableColumn($key)
+    {
+        if (! isset(static::$guardableColumns[get_class($this)])) {
+            static::$guardableColumns[get_class($this)] = $this->getConnection()
+                        ->getSchemaBuilder()
+                        ->getColumnListing($this->getTable());
+        }
+
+        return in_array($key, static::$guardableColumns[get_class($this)]);
+    }
+
+    /**
+     * Determine if the model is totally guarded.
+     *
+     * @return bool
+     */
+    public function totallyGuarded()
+    {
+        return count($this->getFillable()) === 0 && $this->getGuarded() == ['*'];
+    }
+
+    /**
+     * Get the fillable attributes of a given array.
+     *
+     * @param  array  $attributes
+     * @return array
+     */
+    protected function fillableFromArray(array $attributes)
+    {
+        if (count($this->getFillable()) > 0 && ! static::$unguarded) {
+            return array_intersect_key($attributes, array_flip($this->getFillable()));
+        }
+
+        return $attributes;
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/HasEvents.php

@@ -0,0 +1,415 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Illuminate\Contracts\Events\Dispatcher;
+use Illuminate\Events\NullDispatcher;
+use Illuminate\Support\Arr;
+use InvalidArgumentException;
+
+trait HasEvents
+{
+    /**
+     * The event map for the model.
+     *
+     * Allows for object-based events for native Eloquent events.
+     *
+     * @var array
+     */
+    protected $dispatchesEvents = [];
+
+    /**
+     * User exposed observable events.
+     *
+     * These are extra user-defined events observers may subscribe to.
+     *
+     * @var array
+     */
+    protected $observables = [];
+
+    /**
+     * Register observers with the model.
+     *
+     * @param  object|array|string  $classes
+     * @return void
+     *
+     * @throws \RuntimeException
+     */
+    public static function observe($classes)
+    {
+        $instance = new static;
+
+        foreach (Arr::wrap($classes) as $class) {
+            $instance->registerObserver($class);
+        }
+    }
+
+    /**
+     * Register a single observer with the model.
+     *
+     * @param  object|string  $class
+     * @return void
+     *
+     * @throws \RuntimeException
+     */
+    protected function registerObserver($class)
+    {
+        $className = $this->resolveObserverClassName($class);
+
+        // When registering a model observer, we will spin through the possible events
+        // and determine if this observer has that method. If it does, we will hook
+        // it into the model's event system, making it convenient to watch these.
+        foreach ($this->getObservableEvents() as $event) {
+            if (method_exists($class, $event)) {
+                static::registerModelEvent($event, $className.'@'.$event);
+            }
+        }
+    }
+
+    /**
+     * Resolve the observer's class name from an object or string.
+     *
+     * @param  object|string  $class
+     * @return string
+     *
+     * @throws \InvalidArgumentException
+     */
+    private function resolveObserverClassName($class)
+    {
+        if (is_object($class)) {
+            return get_class($class);
+        }
+
+        if (class_exists($class)) {
+            return $class;
+        }
+
+        throw new InvalidArgumentException('Unable to find observer: '.$class);
+    }
+
+    /**
+     * Get the observable event names.
+     *
+     * @return array
+     */
+    public function getObservableEvents()
+    {
+        return array_merge(
+            [
+                'retrieved', 'creating', 'created', 'updating', 'updated',
+                'saving', 'saved', 'restoring', 'restored', 'replicating',
+                'deleting', 'deleted', 'forceDeleted',
+            ],
+            $this->observables
+        );
+    }
+
+    /**
+     * Set the observable event names.
+     *
+     * @param  array  $observables
+     * @return $this
+     */
+    public function setObservableEvents(array $observables)
+    {
+        $this->observables = $observables;
+
+        return $this;
+    }
+
+    /**
+     * Add an observable event name.
+     *
+     * @param  array|mixed  $observables
+     * @return void
+     */
+    public function addObservableEvents($observables)
+    {
+        $this->observables = array_unique(array_merge(
+            $this->observables, is_array($observables) ? $observables : func_get_args()
+        ));
+    }
+
+    /**
+     * Remove an observable event name.
+     *
+     * @param  array|mixed  $observables
+     * @return void
+     */
+    public function removeObservableEvents($observables)
+    {
+        $this->observables = array_diff(
+            $this->observables, is_array($observables) ? $observables : func_get_args()
+        );
+    }
+
+    /**
+     * Register a model event with the dispatcher.
+     *
+     * @param  string  $event
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    protected static function registerModelEvent($event, $callback)
+    {
+        if (isset(static::$dispatcher)) {
+            $name = static::class;
+
+            static::$dispatcher->listen("eloquent.{$event}: {$name}", $callback);
+        }
+    }
+
+    /**
+     * Fire the given event for the model.
+     *
+     * @param  string  $event
+     * @param  bool  $halt
+     * @return mixed
+     */
+    protected function fireModelEvent($event, $halt = true)
+    {
+        if (! isset(static::$dispatcher)) {
+            return true;
+        }
+
+        // First, we will get the proper method to call on the event dispatcher, and then we
+        // will attempt to fire a custom, object based event for the given event. If that
+        // returns a result we can return that result, or we'll call the string events.
+        $method = $halt ? 'until' : 'dispatch';
+
+        $result = $this->filterModelEventResults(
+            $this->fireCustomModelEvent($event, $method)
+        );
+
+        if ($result === false) {
+            return false;
+        }
+
+        return ! empty($result) ? $result : static::$dispatcher->{$method}(
+            "eloquent.{$event}: ".static::class, $this
+        );
+    }
+
+    /**
+     * Fire a custom model event for the given event.
+     *
+     * @param  string  $event
+     * @param  string  $method
+     * @return mixed|null
+     */
+    protected function fireCustomModelEvent($event, $method)
+    {
+        if (! isset($this->dispatchesEvents[$event])) {
+            return;
+        }
+
+        $result = static::$dispatcher->$method(new $this->dispatchesEvents[$event]($this));
+
+        if (! is_null($result)) {
+            return $result;
+        }
+    }
+
+    /**
+     * Filter the model event results.
+     *
+     * @param  mixed  $result
+     * @return mixed
+     */
+    protected function filterModelEventResults($result)
+    {
+        if (is_array($result)) {
+            $result = array_filter($result, function ($response) {
+                return ! is_null($response);
+            });
+        }
+
+        return $result;
+    }
+
+    /**
+     * Register a retrieved model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function retrieved($callback)
+    {
+        static::registerModelEvent('retrieved', $callback);
+    }
+
+    /**
+     * Register a saving model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function saving($callback)
+    {
+        static::registerModelEvent('saving', $callback);
+    }
+
+    /**
+     * Register a saved model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function saved($callback)
+    {
+        static::registerModelEvent('saved', $callback);
+    }
+
+    /**
+     * Register an updating model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function updating($callback)
+    {
+        static::registerModelEvent('updating', $callback);
+    }
+
+    /**
+     * Register an updated model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function updated($callback)
+    {
+        static::registerModelEvent('updated', $callback);
+    }
+
+    /**
+     * Register a creating model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function creating($callback)
+    {
+        static::registerModelEvent('creating', $callback);
+    }
+
+    /**
+     * Register a created model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function created($callback)
+    {
+        static::registerModelEvent('created', $callback);
+    }
+
+    /**
+     * Register a replicating model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function replicating($callback)
+    {
+        static::registerModelEvent('replicating', $callback);
+    }
+
+    /**
+     * Register a deleting model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function deleting($callback)
+    {
+        static::registerModelEvent('deleting', $callback);
+    }
+
+    /**
+     * Register a deleted model event with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function deleted($callback)
+    {
+        static::registerModelEvent('deleted', $callback);
+    }
+
+    /**
+     * Remove all of the event listeners for the model.
+     *
+     * @return void
+     */
+    public static function flushEventListeners()
+    {
+        if (! isset(static::$dispatcher)) {
+            return;
+        }
+
+        $instance = new static;
+
+        foreach ($instance->getObservableEvents() as $event) {
+            static::$dispatcher->forget("eloquent.{$event}: ".static::class);
+        }
+
+        foreach (array_values($instance->dispatchesEvents) as $event) {
+            static::$dispatcher->forget($event);
+        }
+    }
+
+    /**
+     * Get the event dispatcher instance.
+     *
+     * @return \Illuminate\Contracts\Events\Dispatcher
+     */
+    public static function getEventDispatcher()
+    {
+        return static::$dispatcher;
+    }
+
+    /**
+     * Set the event dispatcher instance.
+     *
+     * @param  \Illuminate\Contracts\Events\Dispatcher  $dispatcher
+     * @return void
+     */
+    public static function setEventDispatcher(Dispatcher $dispatcher)
+    {
+        static::$dispatcher = $dispatcher;
+    }
+
+    /**
+     * Unset the event dispatcher for models.
+     *
+     * @return void
+     */
+    public static function unsetEventDispatcher()
+    {
+        static::$dispatcher = null;
+    }
+
+    /**
+     * Execute a callback without firing any model events for any model type.
+     *
+     * @param  callable  $callback
+     * @return mixed
+     */
+    public static function withoutEvents(callable $callback)
+    {
+        $dispatcher = static::getEventDispatcher();
+
+        if ($dispatcher) {
+            static::setEventDispatcher(new NullDispatcher($dispatcher));
+        }
+
+        try {
+            return $callback();
+        } finally {
+            if ($dispatcher) {
+                static::setEventDispatcher($dispatcher);
+            }
+        }
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/HasGlobalScopes.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Closure;
+use Illuminate\Database\Eloquent\Scope;
+use Illuminate\Support\Arr;
+use InvalidArgumentException;
+
+trait HasGlobalScopes
+{
+    /**
+     * Register a new global scope on the model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Scope|\Closure|string  $scope
+     * @param  \Closure|null  $implementation
+     * @return mixed
+     *
+     * @throws \InvalidArgumentException
+     */
+    public static function addGlobalScope($scope, Closure $implementation = null)
+    {
+        if (is_string($scope) && ! is_null($implementation)) {
+            return static::$globalScopes[static::class][$scope] = $implementation;
+        } elseif ($scope instanceof Closure) {
+            return static::$globalScopes[static::class][spl_object_hash($scope)] = $scope;
+        } elseif ($scope instanceof Scope) {
+            return static::$globalScopes[static::class][get_class($scope)] = $scope;
+        }
+
+        throw new InvalidArgumentException('Global scope must be an instance of Closure or Scope.');
+    }
+
+    /**
+     * Determine if a model has a global scope.
+     *
+     * @param  \Illuminate\Database\Eloquent\Scope|string  $scope
+     * @return bool
+     */
+    public static function hasGlobalScope($scope)
+    {
+        return ! is_null(static::getGlobalScope($scope));
+    }
+
+    /**
+     * Get a global scope registered with the model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Scope|string  $scope
+     * @return \Illuminate\Database\Eloquent\Scope|\Closure|null
+     */
+    public static function getGlobalScope($scope)
+    {
+        if (is_string($scope)) {
+            return Arr::get(static::$globalScopes, static::class.'.'.$scope);
+        }
+
+        return Arr::get(
+            static::$globalScopes, static::class.'.'.get_class($scope)
+        );
+    }
+
+    /**
+     * Get the global scopes for this class instance.
+     *
+     * @return array
+     */
+    public function getGlobalScopes()
+    {
+        return Arr::get(static::$globalScopes, static::class, []);
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/HasRelationships.php

@@ -0,0 +1,870 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Closure;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\Eloquent\Relations\HasOneThrough;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Illuminate\Database\Eloquent\Relations\MorphToMany;
+use Illuminate\Database\Eloquent\Relations\Relation;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+
+trait HasRelationships
+{
+    /**
+     * The loaded relationships for the model.
+     *
+     * @var array
+     */
+    protected $relations = [];
+
+    /**
+     * The relationships that should be touched on save.
+     *
+     * @var array
+     */
+    protected $touches = [];
+
+    /**
+     * The many to many relationship methods.
+     *
+     * @var array
+     */
+    public static $manyMethods = [
+        'belongsToMany', 'morphToMany', 'morphedByMany',
+    ];
+
+    /**
+     * The relation resolver callbacks.
+     *
+     * @var array
+     */
+    protected static $relationResolvers = [];
+
+    /**
+     * Define a dynamic relation resolver.
+     *
+     * @param  string  $name
+     * @param  \Closure  $callback
+     * @return void
+     */
+    public static function resolveRelationUsing($name, Closure $callback)
+    {
+        static::$relationResolvers = array_replace_recursive(
+            static::$relationResolvers,
+            [static::class => [$name => $callback]]
+        );
+    }
+
+    /**
+     * Define a one-to-one relationship.
+     *
+     * @param  string  $related
+     * @param  string|null  $foreignKey
+     * @param  string|null  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasOne
+     */
+    public function hasOne($related, $foreignKey = null, $localKey = null)
+    {
+        $instance = $this->newRelatedInstance($related);
+
+        $foreignKey = $foreignKey ?: $this->getForeignKey();
+
+        $localKey = $localKey ?: $this->getKeyName();
+
+        return $this->newHasOne($instance->newQuery(), $this, $instance->getTable().'.'.$foreignKey, $localKey);
+    }
+
+    /**
+     * Instantiate a new HasOne relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $foreignKey
+     * @param  string  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasOne
+     */
+    protected function newHasOne(Builder $query, Model $parent, $foreignKey, $localKey)
+    {
+        return new HasOne($query, $parent, $foreignKey, $localKey);
+    }
+
+    /**
+     * Define a has-one-through relationship.
+     *
+     * @param  string  $related
+     * @param  string  $through
+     * @param  string|null  $firstKey
+     * @param  string|null  $secondKey
+     * @param  string|null  $localKey
+     * @param  string|null  $secondLocalKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasOneThrough
+     */
+    public function hasOneThrough($related, $through, $firstKey = null, $secondKey = null, $localKey = null, $secondLocalKey = null)
+    {
+        $through = new $through;
+
+        $firstKey = $firstKey ?: $this->getForeignKey();
+
+        $secondKey = $secondKey ?: $through->getForeignKey();
+
+        return $this->newHasOneThrough(
+            $this->newRelatedInstance($related)->newQuery(), $this, $through,
+            $firstKey, $secondKey, $localKey ?: $this->getKeyName(),
+            $secondLocalKey ?: $through->getKeyName()
+        );
+    }
+
+    /**
+     * Instantiate a new HasOneThrough relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $farParent
+     * @param  \Illuminate\Database\Eloquent\Model  $throughParent
+     * @param  string  $firstKey
+     * @param  string  $secondKey
+     * @param  string  $localKey
+     * @param  string  $secondLocalKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasOneThrough
+     */
+    protected function newHasOneThrough(Builder $query, Model $farParent, Model $throughParent, $firstKey, $secondKey, $localKey, $secondLocalKey)
+    {
+        return new HasOneThrough($query, $farParent, $throughParent, $firstKey, $secondKey, $localKey, $secondLocalKey);
+    }
+
+    /**
+     * Define a polymorphic one-to-one relationship.
+     *
+     * @param  string  $related
+     * @param  string  $name
+     * @param  string|null  $type
+     * @param  string|null  $id
+     * @param  string|null  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphOne
+     */
+    public function morphOne($related, $name, $type = null, $id = null, $localKey = null)
+    {
+        $instance = $this->newRelatedInstance($related);
+
+        [$type, $id] = $this->getMorphs($name, $type, $id);
+
+        $table = $instance->getTable();
+
+        $localKey = $localKey ?: $this->getKeyName();
+
+        return $this->newMorphOne($instance->newQuery(), $this, $table.'.'.$type, $table.'.'.$id, $localKey);
+    }
+
+    /**
+     * Instantiate a new MorphOne relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $type
+     * @param  string  $id
+     * @param  string  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphOne
+     */
+    protected function newMorphOne(Builder $query, Model $parent, $type, $id, $localKey)
+    {
+        return new MorphOne($query, $parent, $type, $id, $localKey);
+    }
+
+    /**
+     * Define an inverse one-to-one or many relationship.
+     *
+     * @param  string  $related
+     * @param  string|null  $foreignKey
+     * @param  string|null  $ownerKey
+     * @param  string|null  $relation
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function belongsTo($related, $foreignKey = null, $ownerKey = null, $relation = null)
+    {
+        // If no relation name was given, we will use this debug backtrace to extract
+        // the calling method's name and use that as the relationship name as most
+        // of the time this will be what we desire to use for the relationships.
+        if (is_null($relation)) {
+            $relation = $this->guessBelongsToRelation();
+        }
+
+        $instance = $this->newRelatedInstance($related);
+
+        // If no foreign key was supplied, we can use a backtrace to guess the proper
+        // foreign key name by using the name of the relationship function, which
+        // when combined with an "_id" should conventionally match the columns.
+        if (is_null($foreignKey)) {
+            $foreignKey = Str::snake($relation).'_'.$instance->getKeyName();
+        }
+
+        // Once we have the foreign key names, we'll just create a new Eloquent query
+        // for the related models and returns the relationship instance which will
+        // actually be responsible for retrieving and hydrating every relations.
+        $ownerKey = $ownerKey ?: $instance->getKeyName();
+
+        return $this->newBelongsTo(
+            $instance->newQuery(), $this, $foreignKey, $ownerKey, $relation
+        );
+    }
+
+    /**
+     * Instantiate a new BelongsTo relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $child
+     * @param  string  $foreignKey
+     * @param  string  $ownerKey
+     * @param  string  $relation
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    protected function newBelongsTo(Builder $query, Model $child, $foreignKey, $ownerKey, $relation)
+    {
+        return new BelongsTo($query, $child, $foreignKey, $ownerKey, $relation);
+    }
+
+    /**
+     * Define a polymorphic, inverse one-to-one or many relationship.
+     *
+     * @param  string|null  $name
+     * @param  string|null  $type
+     * @param  string|null  $id
+     * @param  string|null  $ownerKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function morphTo($name = null, $type = null, $id = null, $ownerKey = null)
+    {
+        // If no name is provided, we will use the backtrace to get the function name
+        // since that is most likely the name of the polymorphic interface. We can
+        // use that to get both the class and foreign key that will be utilized.
+        $name = $name ?: $this->guessBelongsToRelation();
+
+        [$type, $id] = $this->getMorphs(
+            Str::snake($name), $type, $id
+        );
+
+        // If the type value is null it is probably safe to assume we're eager loading
+        // the relationship. In this case we'll just pass in a dummy query where we
+        // need to remove any eager loads that may already be defined on a model.
+        return is_null($class = $this->{$type}) || $class === ''
+                    ? $this->morphEagerTo($name, $type, $id, $ownerKey)
+                    : $this->morphInstanceTo($class, $name, $type, $id, $ownerKey);
+    }
+
+    /**
+     * Define a polymorphic, inverse one-to-one or many relationship.
+     *
+     * @param  string  $name
+     * @param  string  $type
+     * @param  string  $id
+     * @param  string  $ownerKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    protected function morphEagerTo($name, $type, $id, $ownerKey)
+    {
+        return $this->newMorphTo(
+            $this->newQuery()->setEagerLoads([]), $this, $id, $ownerKey, $type, $name
+        );
+    }
+
+    /**
+     * Define a polymorphic, inverse one-to-one or many relationship.
+     *
+     * @param  string  $target
+     * @param  string  $name
+     * @param  string  $type
+     * @param  string  $id
+     * @param  string  $ownerKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    protected function morphInstanceTo($target, $name, $type, $id, $ownerKey)
+    {
+        $instance = $this->newRelatedInstance(
+            static::getActualClassNameForMorph($target)
+        );
+
+        return $this->newMorphTo(
+            $instance->newQuery(), $this, $id, $ownerKey ?? $instance->getKeyName(), $type, $name
+        );
+    }
+
+    /**
+     * Instantiate a new MorphTo relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $foreignKey
+     * @param  string  $ownerKey
+     * @param  string  $type
+     * @param  string  $relation
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    protected function newMorphTo(Builder $query, Model $parent, $foreignKey, $ownerKey, $type, $relation)
+    {
+        return new MorphTo($query, $parent, $foreignKey, $ownerKey, $type, $relation);
+    }
+
+    /**
+     * Retrieve the actual class name for a given morph class.
+     *
+     * @param  string  $class
+     * @return string
+     */
+    public static function getActualClassNameForMorph($class)
+    {
+        return Arr::get(Relation::morphMap() ?: [], $class, $class);
+    }
+
+    /**
+     * Guess the "belongs to" relationship name.
+     *
+     * @return string
+     */
+    protected function guessBelongsToRelation()
+    {
+        [$one, $two, $caller] = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
+
+        return $caller['function'];
+    }
+
+    /**
+     * Define a one-to-many relationship.
+     *
+     * @param  string  $related
+     * @param  string|null  $foreignKey
+     * @param  string|null  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function hasMany($related, $foreignKey = null, $localKey = null)
+    {
+        $instance = $this->newRelatedInstance($related);
+
+        $foreignKey = $foreignKey ?: $this->getForeignKey();
+
+        $localKey = $localKey ?: $this->getKeyName();
+
+        return $this->newHasMany(
+            $instance->newQuery(), $this, $instance->getTable().'.'.$foreignKey, $localKey
+        );
+    }
+
+    /**
+     * Instantiate a new HasMany relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $foreignKey
+     * @param  string  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    protected function newHasMany(Builder $query, Model $parent, $foreignKey, $localKey)
+    {
+        return new HasMany($query, $parent, $foreignKey, $localKey);
+    }
+
+    /**
+     * Define a has-many-through relationship.
+     *
+     * @param  string  $related
+     * @param  string  $through
+     * @param  string|null  $firstKey
+     * @param  string|null  $secondKey
+     * @param  string|null  $localKey
+     * @param  string|null  $secondLocalKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
+     */
+    public function hasManyThrough($related, $through, $firstKey = null, $secondKey = null, $localKey = null, $secondLocalKey = null)
+    {
+        $through = new $through;
+
+        $firstKey = $firstKey ?: $this->getForeignKey();
+
+        $secondKey = $secondKey ?: $through->getForeignKey();
+
+        return $this->newHasManyThrough(
+            $this->newRelatedInstance($related)->newQuery(),
+            $this,
+            $through,
+            $firstKey,
+            $secondKey,
+            $localKey ?: $this->getKeyName(),
+            $secondLocalKey ?: $through->getKeyName()
+        );
+    }
+
+    /**
+     * Instantiate a new HasManyThrough relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $farParent
+     * @param  \Illuminate\Database\Eloquent\Model  $throughParent
+     * @param  string  $firstKey
+     * @param  string  $secondKey
+     * @param  string  $localKey
+     * @param  string  $secondLocalKey
+     * @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
+     */
+    protected function newHasManyThrough(Builder $query, Model $farParent, Model $throughParent, $firstKey, $secondKey, $localKey, $secondLocalKey)
+    {
+        return new HasManyThrough($query, $farParent, $throughParent, $firstKey, $secondKey, $localKey, $secondLocalKey);
+    }
+
+    /**
+     * Define a polymorphic one-to-many relationship.
+     *
+     * @param  string  $related
+     * @param  string  $name
+     * @param  string|null  $type
+     * @param  string|null  $id
+     * @param  string|null  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
+    public function morphMany($related, $name, $type = null, $id = null, $localKey = null)
+    {
+        $instance = $this->newRelatedInstance($related);
+
+        // Here we will gather up the morph type and ID for the relationship so that we
+        // can properly query the intermediate table of a relation. Finally, we will
+        // get the table and create the relationship instances for the developers.
+        [$type, $id] = $this->getMorphs($name, $type, $id);
+
+        $table = $instance->getTable();
+
+        $localKey = $localKey ?: $this->getKeyName();
+
+        return $this->newMorphMany($instance->newQuery(), $this, $table.'.'.$type, $table.'.'.$id, $localKey);
+    }
+
+    /**
+     * Instantiate a new MorphMany relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $type
+     * @param  string  $id
+     * @param  string  $localKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
+    protected function newMorphMany(Builder $query, Model $parent, $type, $id, $localKey)
+    {
+        return new MorphMany($query, $parent, $type, $id, $localKey);
+    }
+
+    /**
+     * Define a many-to-many relationship.
+     *
+     * @param  string  $related
+     * @param  string|null  $table
+     * @param  string|null  $foreignPivotKey
+     * @param  string|null  $relatedPivotKey
+     * @param  string|null  $parentKey
+     * @param  string|null  $relatedKey
+     * @param  string|null  $relation
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    public function belongsToMany($related, $table = null, $foreignPivotKey = null, $relatedPivotKey = null,
+                                  $parentKey = null, $relatedKey = null, $relation = null)
+    {
+        // If no relationship name was passed, we will pull backtraces to get the
+        // name of the calling function. We will use that function name as the
+        // title of this relation since that is a great convention to apply.
+        if (is_null($relation)) {
+            $relation = $this->guessBelongsToManyRelation();
+        }
+
+        // First, we'll need to determine the foreign key and "other key" for the
+        // relationship. Once we have determined the keys we'll make the query
+        // instances as well as the relationship instances we need for this.
+        $instance = $this->newRelatedInstance($related);
+
+        $foreignPivotKey = $foreignPivotKey ?: $this->getForeignKey();
+
+        $relatedPivotKey = $relatedPivotKey ?: $instance->getForeignKey();
+
+        // If no table name was provided, we can guess it by concatenating the two
+        // models using underscores in alphabetical order. The two model names
+        // are transformed to snake case from their default CamelCase also.
+        if (is_null($table)) {
+            $table = $this->joiningTable($related, $instance);
+        }
+
+        return $this->newBelongsToMany(
+            $instance->newQuery(), $this, $table, $foreignPivotKey,
+            $relatedPivotKey, $parentKey ?: $this->getKeyName(),
+            $relatedKey ?: $instance->getKeyName(), $relation
+        );
+    }
+
+    /**
+     * Instantiate a new BelongsToMany relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $table
+     * @param  string  $foreignPivotKey
+     * @param  string  $relatedPivotKey
+     * @param  string  $parentKey
+     * @param  string  $relatedKey
+     * @param  string|null  $relationName
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    protected function newBelongsToMany(Builder $query, Model $parent, $table, $foreignPivotKey, $relatedPivotKey,
+                                        $parentKey, $relatedKey, $relationName = null)
+    {
+        return new BelongsToMany($query, $parent, $table, $foreignPivotKey, $relatedPivotKey, $parentKey, $relatedKey, $relationName);
+    }
+
+    /**
+     * Define a polymorphic many-to-many relationship.
+     *
+     * @param  string  $related
+     * @param  string  $name
+     * @param  string|null  $table
+     * @param  string|null  $foreignPivotKey
+     * @param  string|null  $relatedPivotKey
+     * @param  string|null  $parentKey
+     * @param  string|null  $relatedKey
+     * @param  bool  $inverse
+     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
+     */
+    public function morphToMany($related, $name, $table = null, $foreignPivotKey = null,
+                                $relatedPivotKey = null, $parentKey = null,
+                                $relatedKey = null, $inverse = false)
+    {
+        $caller = $this->guessBelongsToManyRelation();
+
+        // First, we will need to determine the foreign key and "other key" for the
+        // relationship. Once we have determined the keys we will make the query
+        // instances, as well as the relationship instances we need for these.
+        $instance = $this->newRelatedInstance($related);
+
+        $foreignPivotKey = $foreignPivotKey ?: $name.'_id';
+
+        $relatedPivotKey = $relatedPivotKey ?: $instance->getForeignKey();
+
+        // Now we're ready to create a new query builder for this related model and
+        // the relationship instances for this relation. This relations will set
+        // appropriate query constraints then entirely manages the hydrations.
+        if (! $table) {
+            $words = preg_split('/(_)/u', $name, -1, PREG_SPLIT_DELIM_CAPTURE);
+
+            $lastWord = array_pop($words);
+
+            $table = implode('', $words).Str::plural($lastWord);
+        }
+
+        return $this->newMorphToMany(
+            $instance->newQuery(), $this, $name, $table,
+            $foreignPivotKey, $relatedPivotKey, $parentKey ?: $this->getKeyName(),
+            $relatedKey ?: $instance->getKeyName(), $caller, $inverse
+        );
+    }
+
+    /**
+     * Instantiate a new MorphToMany relationship.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $name
+     * @param  string  $table
+     * @param  string  $foreignPivotKey
+     * @param  string  $relatedPivotKey
+     * @param  string  $parentKey
+     * @param  string  $relatedKey
+     * @param  string|null  $relationName
+     * @param  bool  $inverse
+     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
+     */
+    protected function newMorphToMany(Builder $query, Model $parent, $name, $table, $foreignPivotKey,
+                                      $relatedPivotKey, $parentKey, $relatedKey,
+                                      $relationName = null, $inverse = false)
+    {
+        return new MorphToMany($query, $parent, $name, $table, $foreignPivotKey, $relatedPivotKey, $parentKey, $relatedKey,
+            $relationName, $inverse);
+    }
+
+    /**
+     * Define a polymorphic, inverse many-to-many relationship.
+     *
+     * @param  string  $related
+     * @param  string  $name
+     * @param  string|null  $table
+     * @param  string|null  $foreignPivotKey
+     * @param  string|null  $relatedPivotKey
+     * @param  string|null  $parentKey
+     * @param  string|null  $relatedKey
+     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
+     */
+    public function morphedByMany($related, $name, $table = null, $foreignPivotKey = null,
+                                  $relatedPivotKey = null, $parentKey = null, $relatedKey = null)
+    {
+        $foreignPivotKey = $foreignPivotKey ?: $this->getForeignKey();
+
+        // For the inverse of the polymorphic many-to-many relations, we will change
+        // the way we determine the foreign and other keys, as it is the opposite
+        // of the morph-to-many method since we're figuring out these inverses.
+        $relatedPivotKey = $relatedPivotKey ?: $name.'_id';
+
+        return $this->morphToMany(
+            $related, $name, $table, $foreignPivotKey,
+            $relatedPivotKey, $parentKey, $relatedKey, true
+        );
+    }
+
+    /**
+     * Get the relationship name of the belongsToMany relationship.
+     *
+     * @return string|null
+     */
+    protected function guessBelongsToManyRelation()
+    {
+        $caller = Arr::first(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), function ($trace) {
+            return ! in_array(
+                $trace['function'],
+                array_merge(static::$manyMethods, ['guessBelongsToManyRelation'])
+            );
+        });
+
+        return ! is_null($caller) ? $caller['function'] : null;
+    }
+
+    /**
+     * Get the joining table name for a many-to-many relation.
+     *
+     * @param  string  $related
+     * @param  \Illuminate\Database\Eloquent\Model|null  $instance
+     * @return string
+     */
+    public function joiningTable($related, $instance = null)
+    {
+        // The joining table name, by convention, is simply the snake cased models
+        // sorted alphabetically and concatenated with an underscore, so we can
+        // just sort the models and join them together to get the table name.
+        $segments = [
+            $instance ? $instance->joiningTableSegment()
+                      : Str::snake(class_basename($related)),
+            $this->joiningTableSegment(),
+        ];
+
+        // Now that we have the model names in an array we can just sort them and
+        // use the implode function to join them together with an underscores,
+        // which is typically used by convention within the database system.
+        sort($segments);
+
+        return strtolower(implode('_', $segments));
+    }
+
+    /**
+     * Get this model's half of the intermediate table name for belongsToMany relationships.
+     *
+     * @return string
+     */
+    public function joiningTableSegment()
+    {
+        return Str::snake(class_basename($this));
+    }
+
+    /**
+     * Determine if the model touches a given relation.
+     *
+     * @param  string  $relation
+     * @return bool
+     */
+    public function touches($relation)
+    {
+        return in_array($relation, $this->getTouchedRelations());
+    }
+
+    /**
+     * Touch the owning relations of the model.
+     *
+     * @return void
+     */
+    public function touchOwners()
+    {
+        foreach ($this->getTouchedRelations() as $relation) {
+            $this->$relation()->touch();
+
+            if ($this->$relation instanceof self) {
+                $this->$relation->fireModelEvent('saved', false);
+
+                $this->$relation->touchOwners();
+            } elseif ($this->$relation instanceof Collection) {
+                $this->$relation->each->touchOwners();
+            }
+        }
+    }
+
+    /**
+     * Get the polymorphic relationship columns.
+     *
+     * @param  string  $name
+     * @param  string  $type
+     * @param  string  $id
+     * @return array
+     */
+    protected function getMorphs($name, $type, $id)
+    {
+        return [$type ?: $name.'_type', $id ?: $name.'_id'];
+    }
+
+    /**
+     * Get the class name for polymorphic relations.
+     *
+     * @return string
+     */
+    public function getMorphClass()
+    {
+        $morphMap = Relation::morphMap();
+
+        if (! empty($morphMap) && in_array(static::class, $morphMap)) {
+            return array_search(static::class, $morphMap, true);
+        }
+
+        return static::class;
+    }
+
+    /**
+     * Create a new model instance for a related model.
+     *
+     * @param  string  $class
+     * @return mixed
+     */
+    protected function newRelatedInstance($class)
+    {
+        return tap(new $class, function ($instance) {
+            if (! $instance->getConnectionName()) {
+                $instance->setConnection($this->connection);
+            }
+        });
+    }
+
+    /**
+     * Get all the loaded relations for the instance.
+     *
+     * @return array
+     */
+    public function getRelations()
+    {
+        return $this->relations;
+    }
+
+    /**
+     * Get a specified relationship.
+     *
+     * @param  string  $relation
+     * @return mixed
+     */
+    public function getRelation($relation)
+    {
+        return $this->relations[$relation];
+    }
+
+    /**
+     * Determine if the given relation is loaded.
+     *
+     * @param  string  $key
+     * @return bool
+     */
+    public function relationLoaded($key)
+    {
+        return array_key_exists($key, $this->relations);
+    }
+
+    /**
+     * Set the given relationship on the model.
+     *
+     * @param  string  $relation
+     * @param  mixed  $value
+     * @return $this
+     */
+    public function setRelation($relation, $value)
+    {
+        $this->relations[$relation] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Unset a loaded relationship.
+     *
+     * @param  string  $relation
+     * @return $this
+     */
+    public function unsetRelation($relation)
+    {
+        unset($this->relations[$relation]);
+
+        return $this;
+    }
+
+    /**
+     * Set the entire relations array on the model.
+     *
+     * @param  array  $relations
+     * @return $this
+     */
+    public function setRelations(array $relations)
+    {
+        $this->relations = $relations;
+
+        return $this;
+    }
+
+    /**
+     * Duplicate the instance and unset all the loaded relations.
+     *
+     * @return $this
+     */
+    public function withoutRelations()
+    {
+        $model = clone $this;
+
+        return $model->unsetRelations();
+    }
+
+    /**
+     * Unset all the loaded relations for the instance.
+     *
+     * @return $this
+     */
+    public function unsetRelations()
+    {
+        $this->relations = [];
+
+        return $this;
+    }
+
+    /**
+     * Get the relationships that are touched on save.
+     *
+     * @return array
+     */
+    public function getTouchedRelations()
+    {
+        return $this->touches;
+    }
+
+    /**
+     * Set the relationships that are touched on save.
+     *
+     * @param  array  $touches
+     * @return $this
+     */
+    public function setTouchedRelations(array $touches)
+    {
+        $this->touches = $touches;
+
+        return $this;
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/HasTimestamps.php

@@ -0,0 +1,149 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Illuminate\Support\Facades\Date;
+
+trait HasTimestamps
+{
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = true;
+
+    /**
+     * Update the model's update timestamp.
+     *
+     * @return bool
+     */
+    public function touch()
+    {
+        if (! $this->usesTimestamps()) {
+            return false;
+        }
+
+        $this->updateTimestamps();
+
+        return $this->save();
+    }
+
+    /**
+     * Update the creation and update timestamps.
+     *
+     * @return void
+     */
+    protected function updateTimestamps()
+    {
+        $time = $this->freshTimestamp();
+
+        $updatedAtColumn = $this->getUpdatedAtColumn();
+
+        if (! is_null($updatedAtColumn) && ! $this->isDirty($updatedAtColumn)) {
+            $this->setUpdatedAt($time);
+        }
+
+        $createdAtColumn = $this->getCreatedAtColumn();
+
+        if (! $this->exists && ! is_null($createdAtColumn) && ! $this->isDirty($createdAtColumn)) {
+            $this->setCreatedAt($time);
+        }
+    }
+
+    /**
+     * Set the value of the "created at" attribute.
+     *
+     * @param  mixed  $value
+     * @return $this
+     */
+    public function setCreatedAt($value)
+    {
+        $this->{$this->getCreatedAtColumn()} = $value;
+
+        return $this;
+    }
+
+    /**
+     * Set the value of the "updated at" attribute.
+     *
+     * @param  mixed  $value
+     * @return $this
+     */
+    public function setUpdatedAt($value)
+    {
+        $this->{$this->getUpdatedAtColumn()} = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get a fresh timestamp for the model.
+     *
+     * @return \Illuminate\Support\Carbon
+     */
+    public function freshTimestamp()
+    {
+        return Date::now();
+    }
+
+    /**
+     * Get a fresh timestamp for the model.
+     *
+     * @return string
+     */
+    public function freshTimestampString()
+    {
+        return $this->fromDateTime($this->freshTimestamp());
+    }
+
+    /**
+     * Determine if the model uses timestamps.
+     *
+     * @return bool
+     */
+    public function usesTimestamps()
+    {
+        return $this->timestamps;
+    }
+
+    /**
+     * Get the name of the "created at" column.
+     *
+     * @return string|null
+     */
+    public function getCreatedAtColumn()
+    {
+        return static::CREATED_AT;
+    }
+
+    /**
+     * Get the name of the "updated at" column.
+     *
+     * @return string|null
+     */
+    public function getUpdatedAtColumn()
+    {
+        return static::UPDATED_AT;
+    }
+
+    /**
+     * Get the fully qualified "created at" column.
+     *
+     * @return string
+     */
+    public function getQualifiedCreatedAtColumn()
+    {
+        return $this->qualifyColumn($this->getCreatedAtColumn());
+    }
+
+    /**
+     * Get the fully qualified "updated at" column.
+     *
+     * @return string
+     */
+    public function getQualifiedUpdatedAtColumn()
+    {
+        return $this->qualifyColumn($this->getUpdatedAtColumn());
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/HidesAttributes.php

@@ -0,0 +1,130 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Closure;
+
+trait HidesAttributes
+{
+    /**
+     * The attributes that should be hidden for serialization.
+     *
+     * @var array
+     */
+    protected $hidden = [];
+
+    /**
+     * The attributes that should be visible in serialization.
+     *
+     * @var array
+     */
+    protected $visible = [];
+
+    /**
+     * Get the hidden attributes for the model.
+     *
+     * @return array
+     */
+    public function getHidden()
+    {
+        return $this->hidden;
+    }
+
+    /**
+     * Set the hidden attributes for the model.
+     *
+     * @param  array  $hidden
+     * @return $this
+     */
+    public function setHidden(array $hidden)
+    {
+        $this->hidden = $hidden;
+
+        return $this;
+    }
+
+    /**
+     * Get the visible attributes for the model.
+     *
+     * @return array
+     */
+    public function getVisible()
+    {
+        return $this->visible;
+    }
+
+    /**
+     * Set the visible attributes for the model.
+     *
+     * @param  array  $visible
+     * @return $this
+     */
+    public function setVisible(array $visible)
+    {
+        $this->visible = $visible;
+
+        return $this;
+    }
+
+    /**
+     * Make the given, typically hidden, attributes visible.
+     *
+     * @param  array|string|null  $attributes
+     * @return $this
+     */
+    public function makeVisible($attributes)
+    {
+        $attributes = is_array($attributes) ? $attributes : func_get_args();
+
+        $this->hidden = array_diff($this->hidden, $attributes);
+
+        if (! empty($this->visible)) {
+            $this->visible = array_merge($this->visible, $attributes);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Make the given, typically hidden, attributes visible if the given truth test passes.
+     *
+     * @param  bool|Closure  $condition
+     * @param  array|string|null  $attributes
+     * @return $this
+     */
+    public function makeVisibleIf($condition, $attributes)
+    {
+        $condition = $condition instanceof Closure ? $condition($this) : $condition;
+
+        return $condition ? $this->makeVisible($attributes) : $this;
+    }
+
+    /**
+     * Make the given, typically visible, attributes hidden.
+     *
+     * @param  array|string|null  $attributes
+     * @return $this
+     */
+    public function makeHidden($attributes)
+    {
+        $this->hidden = array_merge(
+            $this->hidden, is_array($attributes) ? $attributes : func_get_args()
+        );
+
+        return $this;
+    }
+
+    /**
+     * Make the given, typically visible, attributes hidden if the given truth test passes.
+     *
+     * @param  bool|Closure  $condition
+     * @param  array|string|null  $attributes
+     * @return $this
+     */
+    public function makeHiddenIf($condition, $attributes)
+    {
+        $condition = $condition instanceof Closure ? $condition($this) : $condition;
+
+        return value($condition) ? $this->makeHidden($attributes) : $this;
+    }
+}

vendor/illuminate/database/Eloquent/Concerns/QueriesRelationships.php

@@ -0,0 +1,498 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Concerns;
+
+use Closure;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Illuminate\Database\Eloquent\Relations\Relation;
+use Illuminate\Database\Query\Builder as QueryBuilder;
+use Illuminate\Database\Query\Expression;
+use Illuminate\Support\Str;
+use RuntimeException;
+
+trait QueriesRelationships
+{
+    /**
+     * Add a relationship count / exists condition to the query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Relations\Relation|string  $relation
+     * @param  string  $operator
+     * @param  int  $count
+     * @param  string  $boolean
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     *
+     * @throws \RuntimeException
+     */
+    public function has($relation, $operator = '>=', $count = 1, $boolean = 'and', Closure $callback = null)
+    {
+        if (is_string($relation)) {
+            if (strpos($relation, '.') !== false) {
+                return $this->hasNested($relation, $operator, $count, $boolean, $callback);
+            }
+
+            $relation = $this->getRelationWithoutConstraints($relation);
+        }
+
+        if ($relation instanceof MorphTo) {
+            throw new RuntimeException('Please use whereHasMorph() for MorphTo relationships.');
+        }
+
+        // If we only need to check for the existence of the relation, then we can optimize
+        // the subquery to only run a "where exists" clause instead of this full "count"
+        // clause. This will make these queries run much faster compared with a count.
+        $method = $this->canUseExistsForExistenceCheck($operator, $count)
+                        ? 'getRelationExistenceQuery'
+                        : 'getRelationExistenceCountQuery';
+
+        $hasQuery = $relation->{$method}(
+            $relation->getRelated()->newQueryWithoutRelationships(), $this
+        );
+
+        // Next we will call any given callback as an "anonymous" scope so they can get the
+        // proper logical grouping of the where clauses if needed by this Eloquent query
+        // builder. Then, we will be ready to finalize and return this query instance.
+        if ($callback) {
+            $hasQuery->callScope($callback);
+        }
+
+        return $this->addHasWhere(
+            $hasQuery, $relation, $operator, $count, $boolean
+        );
+    }
+
+    /**
+     * Add nested relationship count / exists conditions to the query.
+     *
+     * Sets up recursive call to whereHas until we finish the nested relation.
+     *
+     * @param  string  $relations
+     * @param  string  $operator
+     * @param  int  $count
+     * @param  string  $boolean
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    protected function hasNested($relations, $operator = '>=', $count = 1, $boolean = 'and', $callback = null)
+    {
+        $relations = explode('.', $relations);
+
+        $doesntHave = $operator === '<' && $count === 1;
+
+        if ($doesntHave) {
+            $operator = '>=';
+            $count = 1;
+        }
+
+        $closure = function ($q) use (&$closure, &$relations, $operator, $count, $callback) {
+            // In order to nest "has", we need to add count relation constraints on the
+            // callback Closure. We'll do this by simply passing the Closure its own
+            // reference to itself so it calls itself recursively on each segment.
+            count($relations) > 1
+                ? $q->whereHas(array_shift($relations), $closure)
+                : $q->has(array_shift($relations), $operator, $count, 'and', $callback);
+        };
+
+        return $this->has(array_shift($relations), $doesntHave ? '<' : '>=', 1, $boolean, $closure);
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query with an "or".
+     *
+     * @param  string  $relation
+     * @param  string  $operator
+     * @param  int  $count
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orHas($relation, $operator = '>=', $count = 1)
+    {
+        return $this->has($relation, $operator, $count, 'or');
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query.
+     *
+     * @param  string  $relation
+     * @param  string  $boolean
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function doesntHave($relation, $boolean = 'and', Closure $callback = null)
+    {
+        return $this->has($relation, '<', 1, $boolean, $callback);
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query with an "or".
+     *
+     * @param  string  $relation
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orDoesntHave($relation)
+    {
+        return $this->doesntHave($relation, 'or');
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query with where clauses.
+     *
+     * @param  string  $relation
+     * @param  \Closure|null  $callback
+     * @param  string  $operator
+     * @param  int  $count
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function whereHas($relation, Closure $callback = null, $operator = '>=', $count = 1)
+    {
+        return $this->has($relation, $operator, $count, 'and', $callback);
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query with where clauses and an "or".
+     *
+     * @param  string  $relation
+     * @param  \Closure|null  $callback
+     * @param  string  $operator
+     * @param  int  $count
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orWhereHas($relation, Closure $callback = null, $operator = '>=', $count = 1)
+    {
+        return $this->has($relation, $operator, $count, 'or', $callback);
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query with where clauses.
+     *
+     * @param  string  $relation
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function whereDoesntHave($relation, Closure $callback = null)
+    {
+        return $this->doesntHave($relation, 'and', $callback);
+    }
+
+    /**
+     * Add a relationship count / exists condition to the query with where clauses and an "or".
+     *
+     * @param  string  $relation
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orWhereDoesntHave($relation, Closure $callback = null)
+    {
+        return $this->doesntHave($relation, 'or', $callback);
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query.
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  string  $operator
+     * @param  int  $count
+     * @param  string  $boolean
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function hasMorph($relation, $types, $operator = '>=', $count = 1, $boolean = 'and', Closure $callback = null)
+    {
+        $relation = $this->getRelationWithoutConstraints($relation);
+
+        $types = (array) $types;
+
+        if ($types === ['*']) {
+            $types = $this->model->newModelQuery()->distinct()->pluck($relation->getMorphType())->filter()->all();
+        }
+
+        foreach ($types as &$type) {
+            $type = Relation::getMorphedModel($type) ?? $type;
+        }
+
+        return $this->where(function ($query) use ($relation, $callback, $operator, $count, $types) {
+            foreach ($types as $type) {
+                $query->orWhere(function ($query) use ($relation, $callback, $operator, $count, $type) {
+                    $belongsTo = $this->getBelongsToRelation($relation, $type);
+
+                    if ($callback) {
+                        $callback = function ($query) use ($callback, $type) {
+                            return $callback($query, $type);
+                        };
+                    }
+
+                    $query->where($this->query->from.'.'.$relation->getMorphType(), '=', (new $type)->getMorphClass())
+                                ->whereHas($belongsTo, $callback, $operator, $count);
+                });
+            }
+        }, null, null, $boolean);
+    }
+
+    /**
+     * Get the BelongsTo relationship for a single polymorphic type.
+     *
+     * @param  \Illuminate\Database\Eloquent\Relations\MorphTo  $relation
+     * @param  string  $type
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    protected function getBelongsToRelation(MorphTo $relation, $type)
+    {
+        $belongsTo = Relation::noConstraints(function () use ($relation, $type) {
+            return $this->model->belongsTo(
+                $type,
+                $relation->getForeignKeyName(),
+                $relation->getOwnerKeyName()
+            );
+        });
+
+        $belongsTo->getQuery()->mergeConstraintsFrom($relation->getQuery());
+
+        return $belongsTo;
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query with an "or".
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  string  $operator
+     * @param  int  $count
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orHasMorph($relation, $types, $operator = '>=', $count = 1)
+    {
+        return $this->hasMorph($relation, $types, $operator, $count, 'or');
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query.
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  string  $boolean
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function doesntHaveMorph($relation, $types, $boolean = 'and', Closure $callback = null)
+    {
+        return $this->hasMorph($relation, $types, '<', 1, $boolean, $callback);
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query with an "or".
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orDoesntHaveMorph($relation, $types)
+    {
+        return $this->doesntHaveMorph($relation, $types, 'or');
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query with where clauses.
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  \Closure|null  $callback
+     * @param  string  $operator
+     * @param  int  $count
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function whereHasMorph($relation, $types, Closure $callback = null, $operator = '>=', $count = 1)
+    {
+        return $this->hasMorph($relation, $types, $operator, $count, 'and', $callback);
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query with where clauses and an "or".
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  \Closure|null  $callback
+     * @param  string  $operator
+     * @param  int  $count
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orWhereHasMorph($relation, $types, Closure $callback = null, $operator = '>=', $count = 1)
+    {
+        return $this->hasMorph($relation, $types, $operator, $count, 'or', $callback);
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query with where clauses.
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function whereDoesntHaveMorph($relation, $types, Closure $callback = null)
+    {
+        return $this->doesntHaveMorph($relation, $types, 'and', $callback);
+    }
+
+    /**
+     * Add a polymorphic relationship count / exists condition to the query with where clauses and an "or".
+     *
+     * @param  string  $relation
+     * @param  string|array  $types
+     * @param  \Closure|null  $callback
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function orWhereDoesntHaveMorph($relation, $types, Closure $callback = null)
+    {
+        return $this->doesntHaveMorph($relation, $types, 'or', $callback);
+    }
+
+    /**
+     * Add subselect queries to count the relations.
+     *
+     * @param  mixed  $relations
+     * @return $this
+     */
+    public function withCount($relations)
+    {
+        if (empty($relations)) {
+            return $this;
+        }
+
+        if (is_null($this->query->columns)) {
+            $this->query->select([$this->query->from.'.*']);
+        }
+
+        $relations = is_array($relations) ? $relations : func_get_args();
+
+        foreach ($this->parseWithRelations($relations) as $name => $constraints) {
+            // First we will determine if the name has been aliased using an "as" clause on the name
+            // and if it has we will extract the actual relationship name and the desired name of
+            // the resulting column. This allows multiple counts on the same relationship name.
+            $segments = explode(' ', $name);
+
+            unset($alias);
+
+            if (count($segments) === 3 && Str::lower($segments[1]) === 'as') {
+                [$name, $alias] = [$segments[0], $segments[2]];
+            }
+
+            $relation = $this->getRelationWithoutConstraints($name);
+
+            // Here we will get the relationship count query and prepare to add it to the main query
+            // as a sub-select. First, we'll get the "has" query and use that to get the relation
+            // count query. We will normalize the relation name then append _count as the name.
+            $query = $relation->getRelationExistenceCountQuery(
+                $relation->getRelated()->newQuery(), $this
+            );
+
+            $query->callScope($constraints);
+
+            $query = $query->mergeConstraintsFrom($relation->getQuery())->toBase();
+
+            $query->orders = null;
+
+            $query->setBindings([], 'order');
+
+            if (count($query->columns) > 1) {
+                $query->columns = [$query->columns[0]];
+
+                $query->bindings['select'] = [];
+            }
+
+            // Finally we will add the proper result column alias to the query and run the subselect
+            // statement against the query builder. Then we will return the builder instance back
+            // to the developer for further constraint chaining that needs to take place on it.
+            $column = $alias ?? Str::snake($name.'_count');
+
+            $this->selectSub($query, $column);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Add the "has" condition where clause to the query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $hasQuery
+     * @param  \Illuminate\Database\Eloquent\Relations\Relation  $relation
+     * @param  string  $operator
+     * @param  int  $count
+     * @param  string  $boolean
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    protected function addHasWhere(Builder $hasQuery, Relation $relation, $operator, $count, $boolean)
+    {
+        $hasQuery->mergeConstraintsFrom($relation->getQuery());
+
+        return $this->canUseExistsForExistenceCheck($operator, $count)
+                ? $this->addWhereExistsQuery($hasQuery->toBase(), $boolean, $operator === '<' && $count === 1)
+                : $this->addWhereCountQuery($hasQuery->toBase(), $operator, $count, $boolean);
+    }
+
+    /**
+     * Merge the where constraints from another query to the current query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $from
+     * @return \Illuminate\Database\Eloquent\Builder|static
+     */
+    public function mergeConstraintsFrom(Builder $from)
+    {
+        $whereBindings = $from->getQuery()->getRawBindings()['where'] ?? [];
+
+        // Here we have some other query that we want to merge the where constraints from. We will
+        // copy over any where constraints on the query as well as remove any global scopes the
+        // query might have removed. Then we will return ourselves with the finished merging.
+        return $this->withoutGlobalScopes(
+            $from->removedScopes()
+        )->mergeWheres(
+            $from->getQuery()->wheres, $whereBindings
+        );
+    }
+
+    /**
+     * Add a sub-query count clause to this query.
+     *
+     * @param  \Illuminate\Database\Query\Builder  $query
+     * @param  string  $operator
+     * @param  int  $count
+     * @param  string  $boolean
+     * @return $this
+     */
+    protected function addWhereCountQuery(QueryBuilder $query, $operator = '>=', $count = 1, $boolean = 'and')
+    {
+        $this->query->addBinding($query->getBindings(), 'where');
+
+        return $this->where(
+            new Expression('('.$query->toSql().')'),
+            $operator,
+            is_numeric($count) ? new Expression($count) : $count,
+            $boolean
+        );
+    }
+
+    /**
+     * Get the "has relation" base query instance.
+     *
+     * @param  string  $relation
+     * @return \Illuminate\Database\Eloquent\Relations\Relation
+     */
+    protected function getRelationWithoutConstraints($relation)
+    {
+        return Relation::noConstraints(function () use ($relation) {
+            return $this->getModel()->{$relation}();
+        });
+    }
+
+    /**
+     * Check if we can run an "exists" query to optimize performance.
+     *
+     * @param  string  $operator
+     * @param  int  $count
+     * @return bool
+     */
+    protected function canUseExistsForExistenceCheck($operator, $count)
+    {
+        return ($operator === '>=' || $operator === '<') && $count === 1;
+    }
+}

vendor/illuminate/database/Eloquent/Factory.php

@@ -0,0 +1,271 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use ArrayAccess;
+use Faker\Generator as Faker;
+use Symfony\Component\Finder\Finder;
+
+class Factory implements ArrayAccess
+{
+    /**
+     * The model definitions in the container.
+     *
+     * @var array
+     */
+    protected $definitions = [];
+
+    /**
+     * The registered model states.
+     *
+     * @var array
+     */
+    protected $states = [];
+
+    /**
+     * The registered after making callbacks.
+     *
+     * @var array
+     */
+    protected $afterMaking = [];
+
+    /**
+     * The registered after creating callbacks.
+     *
+     * @var array
+     */
+    protected $afterCreating = [];
+
+    /**
+     * The Faker instance for the builder.
+     *
+     * @var \Faker\Generator
+     */
+    protected $faker;
+
+    /**
+     * Create a new factory instance.
+     *
+     * @param  \Faker\Generator  $faker
+     * @return void
+     */
+    public function __construct(Faker $faker)
+    {
+        $this->faker = $faker;
+    }
+
+    /**
+     * Create a new factory container.
+     *
+     * @param  \Faker\Generator  $faker
+     * @param  string|null  $pathToFactories
+     * @return static
+     */
+    public static function construct(Faker $faker, $pathToFactories = null)
+    {
+        $pathToFactories = $pathToFactories ?: database_path('factories');
+
+        return (new static($faker))->load($pathToFactories);
+    }
+
+    /**
+     * Define a class with a given set of attributes.
+     *
+     * @param  string  $class
+     * @param  callable  $attributes
+     * @return $this
+     */
+    public function define($class, callable $attributes)
+    {
+        $this->definitions[$class] = $attributes;
+
+        return $this;
+    }
+
+    /**
+     * Define a state with a given set of attributes.
+     *
+     * @param  string  $class
+     * @param  string  $state
+     * @param  callable|array  $attributes
+     * @return $this
+     */
+    public function state($class, $state, $attributes)
+    {
+        $this->states[$class][$state] = $attributes;
+
+        return $this;
+    }
+
+    /**
+     * Define a callback to run after making a model.
+     *
+     * @param  string  $class
+     * @param  callable  $callback
+     * @param  string  $name
+     * @return $this
+     */
+    public function afterMaking($class, callable $callback, $name = 'default')
+    {
+        $this->afterMaking[$class][$name][] = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Define a callback to run after making a model with given state.
+     *
+     * @param  string  $class
+     * @param  string  $state
+     * @param  callable  $callback
+     * @return $this
+     */
+    public function afterMakingState($class, $state, callable $callback)
+    {
+        return $this->afterMaking($class, $callback, $state);
+    }
+
+    /**
+     * Define a callback to run after creating a model.
+     *
+     * @param  string  $class
+     * @param  callable  $callback
+     * @param  string  $name
+     * @return $this
+     */
+    public function afterCreating($class, callable $callback, $name = 'default')
+    {
+        $this->afterCreating[$class][$name][] = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Define a callback to run after creating a model with given state.
+     *
+     * @param  string  $class
+     * @param  string  $state
+     * @param  callable  $callback
+     * @return $this
+     */
+    public function afterCreatingState($class, $state, callable $callback)
+    {
+        return $this->afterCreating($class, $callback, $state);
+    }
+
+    /**
+     * Create an instance of the given model and persist it to the database.
+     *
+     * @param  string  $class
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function create($class, array $attributes = [])
+    {
+        return $this->of($class)->create($attributes);
+    }
+
+    /**
+     * Create an instance of the given model.
+     *
+     * @param  string  $class
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function make($class, array $attributes = [])
+    {
+        return $this->of($class)->make($attributes);
+    }
+
+    /**
+     * Get the raw attribute array for a given model.
+     *
+     * @param  string  $class
+     * @param  array  $attributes
+     * @return array
+     */
+    public function raw($class, array $attributes = [])
+    {
+        return array_merge(
+            call_user_func($this->definitions[$class], $this->faker), $attributes
+        );
+    }
+
+    /**
+     * Create a builder for the given model.
+     *
+     * @param  string  $class
+     * @return \Illuminate\Database\Eloquent\FactoryBuilder
+     */
+    public function of($class)
+    {
+        return new FactoryBuilder(
+            $class, $this->definitions, $this->states,
+            $this->afterMaking, $this->afterCreating, $this->faker
+        );
+    }
+
+    /**
+     * Load factories from path.
+     *
+     * @param  string  $path
+     * @return $this
+     */
+    public function load($path)
+    {
+        $factory = $this;
+
+        if (is_dir($path)) {
+            foreach (Finder::create()->files()->name('*.php')->in($path) as $file) {
+                require $file->getRealPath();
+            }
+        }
+
+        return $factory;
+    }
+
+    /**
+     * Determine if the given offset exists.
+     *
+     * @param  string  $offset
+     * @return bool
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->definitions[$offset]);
+    }
+
+    /**
+     * Get the value of the given offset.
+     *
+     * @param  string  $offset
+     * @return mixed
+     */
+    public function offsetGet($offset)
+    {
+        return $this->make($offset);
+    }
+
+    /**
+     * Set the given offset to the given value.
+     *
+     * @param  string  $offset
+     * @param  callable  $value
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->define($offset, $value);
+    }
+
+    /**
+     * Unset the value at the given offset.
+     *
+     * @param  string  $offset
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->definitions[$offset]);
+    }
+}

vendor/illuminate/database/Eloquent/FactoryBuilder.php

@@ -0,0 +1,449 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use Faker\Generator as Faker;
+use Illuminate\Support\Traits\Macroable;
+use InvalidArgumentException;
+
+class FactoryBuilder
+{
+    use Macroable;
+
+    /**
+     * The model definitions in the container.
+     *
+     * @var array
+     */
+    protected $definitions;
+
+    /**
+     * The model being built.
+     *
+     * @var string
+     */
+    protected $class;
+
+    /**
+     * The database connection on which the model instance should be persisted.
+     *
+     * @var string
+     */
+    protected $connection;
+
+    /**
+     * The model states.
+     *
+     * @var array
+     */
+    protected $states;
+
+    /**
+     * The model after making callbacks.
+     *
+     * @var array
+     */
+    protected $afterMaking = [];
+
+    /**
+     * The model after creating callbacks.
+     *
+     * @var array
+     */
+    protected $afterCreating = [];
+
+    /**
+     * The states to apply.
+     *
+     * @var array
+     */
+    protected $activeStates = [];
+
+    /**
+     * The Faker instance for the builder.
+     *
+     * @var \Faker\Generator
+     */
+    protected $faker;
+
+    /**
+     * The number of models to build.
+     *
+     * @var int|null
+     */
+    protected $amount = null;
+
+    /**
+     * Create an new builder instance.
+     *
+     * @param  string  $class
+     * @param  array  $definitions
+     * @param  array  $states
+     * @param  array  $afterMaking
+     * @param  array  $afterCreating
+     * @param  \Faker\Generator  $faker
+     * @return void
+     */
+    public function __construct($class, array $definitions, array $states,
+                                array $afterMaking, array $afterCreating, Faker $faker)
+    {
+        $this->class = $class;
+        $this->faker = $faker;
+        $this->states = $states;
+        $this->definitions = $definitions;
+        $this->afterMaking = $afterMaking;
+        $this->afterCreating = $afterCreating;
+    }
+
+    /**
+     * Set the amount of models you wish to create / make.
+     *
+     * @param  int  $amount
+     * @return $this
+     */
+    public function times($amount)
+    {
+        $this->amount = $amount;
+
+        return $this;
+    }
+
+    /**
+     * Set the state to be applied to the model.
+     *
+     * @param  string  $state
+     * @return $this
+     */
+    public function state($state)
+    {
+        return $this->states([$state]);
+    }
+
+    /**
+     * Set the states to be applied to the model.
+     *
+     * @param  array|mixed  $states
+     * @return $this
+     */
+    public function states($states)
+    {
+        $this->activeStates = is_array($states) ? $states : func_get_args();
+
+        return $this;
+    }
+
+    /**
+     * Set the database connection on which the model instance should be persisted.
+     *
+     * @param  string  $name
+     * @return $this
+     */
+    public function connection($name)
+    {
+        $this->connection = $name;
+
+        return $this;
+    }
+
+    /**
+     * Create a model and persist it in the database if requested.
+     *
+     * @param  array  $attributes
+     * @return \Closure
+     */
+    public function lazy(array $attributes = [])
+    {
+        return function () use ($attributes) {
+            return $this->create($attributes);
+        };
+    }
+
+    /**
+     * Create a collection of models and persist them to the database.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Collection|\Illuminate\Database\Eloquent\Model|mixed
+     */
+    public function create(array $attributes = [])
+    {
+        $results = $this->make($attributes);
+
+        if ($results instanceof Model) {
+            $this->store(collect([$results]));
+
+            $this->callAfterCreating(collect([$results]));
+        } else {
+            $this->store($results);
+
+            $this->callAfterCreating($results);
+        }
+
+        return $results;
+    }
+
+    /**
+     * Create a collection of models and persist them to the database.
+     *
+     * @param  iterable  $records
+     * @return \Illuminate\Database\Eloquent\Collection|mixed
+     */
+    public function createMany(iterable $records)
+    {
+        return (new $this->class)->newCollection(array_map(function ($attribute) {
+            return $this->create($attribute);
+        }, $records));
+    }
+
+    /**
+     * Set the connection name on the results and store them.
+     *
+     * @param  \Illuminate\Support\Collection  $results
+     * @return void
+     */
+    protected function store($results)
+    {
+        $results->each(function ($model) {
+            if (! isset($this->connection)) {
+                $model->setConnection($model->newQueryWithoutScopes()->getConnection()->getName());
+            }
+
+            $model->save();
+        });
+    }
+
+    /**
+     * Create a collection of models.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Collection|\Illuminate\Database\Eloquent\Model|mixed
+     */
+    public function make(array $attributes = [])
+    {
+        if ($this->amount === null) {
+            return tap($this->makeInstance($attributes), function ($instance) {
+                $this->callAfterMaking(collect([$instance]));
+            });
+        }
+
+        if ($this->amount < 1) {
+            return (new $this->class)->newCollection();
+        }
+
+        $instances = (new $this->class)->newCollection(array_map(function () use ($attributes) {
+            return $this->makeInstance($attributes);
+        }, range(1, $this->amount)));
+
+        $this->callAfterMaking($instances);
+
+        return $instances;
+    }
+
+    /**
+     * Create an array of raw attribute arrays.
+     *
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function raw(array $attributes = [])
+    {
+        if ($this->amount === null) {
+            return $this->getRawAttributes($attributes);
+        }
+
+        if ($this->amount < 1) {
+            return [];
+        }
+
+        return array_map(function () use ($attributes) {
+            return $this->getRawAttributes($attributes);
+        }, range(1, $this->amount));
+    }
+
+    /**
+     * Get a raw attributes array for the model.
+     *
+     * @param  array  $attributes
+     * @return mixed
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function getRawAttributes(array $attributes = [])
+    {
+        if (! isset($this->definitions[$this->class])) {
+            throw new InvalidArgumentException("Unable to locate factory for [{$this->class}].");
+        }
+
+        $definition = call_user_func(
+            $this->definitions[$this->class],
+            $this->faker, $attributes
+        );
+
+        return $this->expandAttributes(
+            array_merge($this->applyStates($definition, $attributes), $attributes)
+        );
+    }
+
+    /**
+     * Make an instance of the model with the given attributes.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    protected function makeInstance(array $attributes = [])
+    {
+        return Model::unguarded(function () use ($attributes) {
+            $instance = new $this->class(
+                $this->getRawAttributes($attributes)
+            );
+
+            if (isset($this->connection)) {
+                $instance->setConnection($this->connection);
+            }
+
+            return $instance;
+        });
+    }
+
+    /**
+     * Apply the active states to the model definition array.
+     *
+     * @param  array  $definition
+     * @param  array  $attributes
+     * @return array
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function applyStates(array $definition, array $attributes = [])
+    {
+        foreach ($this->activeStates as $state) {
+            if (! isset($this->states[$this->class][$state])) {
+                if ($this->stateHasAfterCallback($state)) {
+                    continue;
+                }
+
+                throw new InvalidArgumentException("Unable to locate [{$state}] state for [{$this->class}].");
+            }
+
+            $definition = array_merge(
+                $definition,
+                $this->stateAttributes($state, $attributes)
+            );
+        }
+
+        return $definition;
+    }
+
+    /**
+     * Get the state attributes.
+     *
+     * @param  string  $state
+     * @param  array  $attributes
+     * @return array
+     */
+    protected function stateAttributes($state, array $attributes)
+    {
+        $stateAttributes = $this->states[$this->class][$state];
+
+        if (! is_callable($stateAttributes)) {
+            return $stateAttributes;
+        }
+
+        return $stateAttributes($this->faker, $attributes);
+    }
+
+    /**
+     * Expand all attributes to their underlying values.
+     *
+     * @param  array  $attributes
+     * @return array
+     */
+    protected function expandAttributes(array $attributes)
+    {
+        foreach ($attributes as &$attribute) {
+            if (is_callable($attribute) && ! is_string($attribute) && ! is_array($attribute)) {
+                $attribute = $attribute($attributes);
+            }
+
+            if ($attribute instanceof static) {
+                $attribute = $attribute->create()->getKey();
+            }
+
+            if ($attribute instanceof Model) {
+                $attribute = $attribute->getKey();
+            }
+        }
+
+        return $attributes;
+    }
+
+    /**
+     * Run after making callbacks on a collection of models.
+     *
+     * @param  \Illuminate\Support\Collection  $models
+     * @return void
+     */
+    public function callAfterMaking($models)
+    {
+        $this->callAfter($this->afterMaking, $models);
+    }
+
+    /**
+     * Run after creating callbacks on a collection of models.
+     *
+     * @param  \Illuminate\Support\Collection  $models
+     * @return void
+     */
+    public function callAfterCreating($models)
+    {
+        $this->callAfter($this->afterCreating, $models);
+    }
+
+    /**
+     * Call after callbacks for each model and state.
+     *
+     * @param  array  $afterCallbacks
+     * @param  \Illuminate\Support\Collection  $models
+     * @return void
+     */
+    protected function callAfter(array $afterCallbacks, $models)
+    {
+        $states = array_merge(['default'], $this->activeStates);
+
+        $models->each(function ($model) use ($states, $afterCallbacks) {
+            foreach ($states as $state) {
+                $this->callAfterCallbacks($afterCallbacks, $model, $state);
+            }
+        });
+    }
+
+    /**
+     * Call after callbacks for each model and state.
+     *
+     * @param  array  $afterCallbacks
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $state
+     * @return void
+     */
+    protected function callAfterCallbacks(array $afterCallbacks, $model, $state)
+    {
+        if (! isset($afterCallbacks[$this->class][$state])) {
+            return;
+        }
+
+        foreach ($afterCallbacks[$this->class][$state] as $callback) {
+            $callback($model, $this->faker);
+        }
+    }
+
+    /**
+     * Determine if the given state has an "after" callback.
+     *
+     * @param  string  $state
+     * @return bool
+     */
+    protected function stateHasAfterCallback($state)
+    {
+        return isset($this->afterMaking[$this->class][$state]) ||
+               isset($this->afterCreating[$this->class][$state]);
+    }
+}

vendor/illuminate/database/Eloquent/HigherOrderBuilderProxy.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+/**
+ * @mixin \Illuminate\Database\Eloquent\Builder
+ */
+class HigherOrderBuilderProxy
+{
+    /**
+     * The collection being operated on.
+     *
+     * @var \Illuminate\Database\Eloquent\Builder
+     */
+    protected $builder;
+
+    /**
+     * The method being proxied.
+     *
+     * @var string
+     */
+    protected $method;
+
+    /**
+     * Create a new proxy instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @param  string  $method
+     * @return void
+     */
+    public function __construct(Builder $builder, $method)
+    {
+        $this->method = $method;
+        $this->builder = $builder;
+    }
+
+    /**
+     * Proxy a scope call onto the query builder.
+     *
+     * @param  string  $method
+     * @param  array  $parameters
+     * @return mixed
+     */
+    public function __call($method, $parameters)
+    {
+        return $this->builder->{$this->method}(function ($value) use ($method, $parameters) {
+            return $value->{$method}(...$parameters);
+        });
+    }
+}

vendor/illuminate/database/Eloquent/JsonEncodingException.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use RuntimeException;
+
+class JsonEncodingException extends RuntimeException
+{
+    /**
+     * Create a new JSON encoding exception for the model.
+     *
+     * @param  mixed  $model
+     * @param  string  $message
+     * @return static
+     */
+    public static function forModel($model, $message)
+    {
+        return new static('Error encoding model ['.get_class($model).'] with ID ['.$model->getKey().'] to JSON: '.$message);
+    }
+
+    /**
+     * Create a new JSON encoding exception for the resource.
+     *
+     * @param  \Illuminate\Http\Resources\Json\JsonResource  $resource
+     * @param  string  $message
+     * @return static
+     */
+    public static function forResource($resource, $message)
+    {
+        $model = $resource->resource;
+
+        return new static('Error encoding resource ['.get_class($resource).'] with model ['.get_class($model).'] with ID ['.$model->getKey().'] to JSON: '.$message);
+    }
+
+    /**
+     * Create a new JSON encoding exception for an attribute.
+     *
+     * @param  mixed  $model
+     * @param  mixed  $key
+     * @param  string  $message
+     * @return static
+     */
+    public static function forAttribute($model, $key, $message)
+    {
+        $class = get_class($model);
+
+        return new static("Unable to encode attribute [{$key}] for model [{$class}] to JSON: {$message}.");
+    }
+}

vendor/illuminate/database/Eloquent/MassAssignmentException.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use RuntimeException;
+
+class MassAssignmentException extends RuntimeException
+{
+    //
+}

vendor/illuminate/database/Eloquent/ModelNotFoundException.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use Illuminate\Support\Arr;
+use RuntimeException;
+
+class ModelNotFoundException extends RuntimeException
+{
+    /**
+     * Name of the affected Eloquent model.
+     *
+     * @var string
+     */
+    protected $model;
+
+    /**
+     * The affected model IDs.
+     *
+     * @var int|array
+     */
+    protected $ids;
+
+    /**
+     * Set the affected Eloquent model and instance ids.
+     *
+     * @param  string  $model
+     * @param  int|array  $ids
+     * @return $this
+     */
+    public function setModel($model, $ids = [])
+    {
+        $this->model = $model;
+        $this->ids = Arr::wrap($ids);
+
+        $this->message = "No query results for model [{$model}]";
+
+        if (count($this->ids) > 0) {
+            $this->message .= ' '.implode(', ', $this->ids);
+        } else {
+            $this->message .= '.';
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the affected Eloquent model.
+     *
+     * @return string
+     */
+    public function getModel()
+    {
+        return $this->model;
+    }
+
+    /**
+     * Get the affected Eloquent model IDs.
+     *
+     * @return int|array
+     */
+    public function getIds()
+    {
+        return $this->ids;
+    }
+}

vendor/illuminate/database/Eloquent/QueueEntityResolver.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use Illuminate\Contracts\Queue\EntityNotFoundException;
+use Illuminate\Contracts\Queue\EntityResolver as EntityResolverContract;
+
+class QueueEntityResolver implements EntityResolverContract
+{
+    /**
+     * Resolve the entity for the given ID.
+     *
+     * @param  string  $type
+     * @param  mixed  $id
+     * @return mixed
+     *
+     * @throws \Illuminate\Contracts\Queue\EntityNotFoundException
+     */
+    public function resolve($type, $id)
+    {
+        $instance = (new $type)->find($id);
+
+        if ($instance) {
+            return $instance;
+        }
+
+        throw new EntityNotFoundException($type, $id);
+    }
+}

vendor/illuminate/database/Eloquent/RelationNotFoundException.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+use RuntimeException;
+
+class RelationNotFoundException extends RuntimeException
+{
+    /**
+     * The name of the affected Eloquent model.
+     *
+     * @var string
+     */
+    public $model;
+
+    /**
+     * The name of the relation.
+     *
+     * @var string
+     */
+    public $relation;
+
+    /**
+     * Create a new exception instance.
+     *
+     * @param  object  $model
+     * @param  string  $relation
+     * @return static
+     */
+    public static function make($model, $relation)
+    {
+        $class = get_class($model);
+
+        $instance = new static("Call to undefined relationship [{$relation}] on model [{$class}].");
+
+        $instance->model = $class;
+        $instance->relation = $relation;
+
+        return $instance;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/BelongsTo.php

@@ -0,0 +1,361 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels;
+
+class BelongsTo extends Relation
+{
+    use SupportsDefaultModels;
+
+    /**
+     * The child model instance of the relation.
+     *
+     * @var \Illuminate\Database\Eloquent\Model
+     */
+    protected $child;
+
+    /**
+     * The foreign key of the parent model.
+     *
+     * @var string
+     */
+    protected $foreignKey;
+
+    /**
+     * The associated key on the parent model.
+     *
+     * @var string
+     */
+    protected $ownerKey;
+
+    /**
+     * The name of the relationship.
+     *
+     * @var string
+     */
+    protected $relationName;
+
+    /**
+     * The count of self joins.
+     *
+     * @var int
+     */
+    protected static $selfJoinCount = 0;
+
+    /**
+     * Create a new belongs to relationship instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $child
+     * @param  string  $foreignKey
+     * @param  string  $ownerKey
+     * @param  string  $relationName
+     * @return void
+     */
+    public function __construct(Builder $query, Model $child, $foreignKey, $ownerKey, $relationName)
+    {
+        $this->ownerKey = $ownerKey;
+        $this->relationName = $relationName;
+        $this->foreignKey = $foreignKey;
+
+        // In the underlying base relationship class, this variable is referred to as
+        // the "parent" since most relationships are not inversed. But, since this
+        // one is we will create a "child" variable for much better readability.
+        $this->child = $child;
+
+        parent::__construct($query, $child);
+    }
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        if (is_null($this->child->{$this->foreignKey})) {
+            return $this->getDefaultFor($this->parent);
+        }
+
+        return $this->query->first() ?: $this->getDefaultFor($this->parent);
+    }
+
+    /**
+     * Set the base constraints on the relation query.
+     *
+     * @return void
+     */
+    public function addConstraints()
+    {
+        if (static::$constraints) {
+            // For belongs to relationships, which are essentially the inverse of has one
+            // or has many relationships, we need to actually query on the primary key
+            // of the related models matching on the foreign key that's on a parent.
+            $table = $this->related->getTable();
+
+            $this->query->where($table.'.'.$this->ownerKey, '=', $this->child->{$this->foreignKey});
+        }
+    }
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    public function addEagerConstraints(array $models)
+    {
+        // We'll grab the primary key name of the related models since it could be set to
+        // a non-standard name and not "id". We will then construct the constraint for
+        // our eagerly loading query so it returns the proper models from execution.
+        $key = $this->related->getTable().'.'.$this->ownerKey;
+
+        $whereIn = $this->whereInMethod($this->related, $this->ownerKey);
+
+        $this->query->{$whereIn}($key, $this->getEagerModelKeys($models));
+    }
+
+    /**
+     * Gather the keys from an array of related models.
+     *
+     * @param  array  $models
+     * @return array
+     */
+    protected function getEagerModelKeys(array $models)
+    {
+        $keys = [];
+
+        // First we need to gather all of the keys from the parent models so we know what
+        // to query for via the eager loading query. We will add them to an array then
+        // execute a "where in" statement to gather up all of those related records.
+        foreach ($models as $model) {
+            if (! is_null($value = $model->{$this->foreignKey})) {
+                $keys[] = $value;
+            }
+        }
+
+        sort($keys);
+
+        return array_values(array_unique($keys));
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->getDefaultFor($model));
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        $foreign = $this->foreignKey;
+
+        $owner = $this->ownerKey;
+
+        // First we will get to build a dictionary of the child models by their primary
+        // key of the relationship, then we can easily match the children back onto
+        // the parents using that dictionary and the primary key of the children.
+        $dictionary = [];
+
+        foreach ($results as $result) {
+            $dictionary[$result->getAttribute($owner)] = $result;
+        }
+
+        // Once we have the dictionary constructed, we can loop through all the parents
+        // and match back onto their children using these keys of the dictionary and
+        // the primary key of the children to map them onto the correct instances.
+        foreach ($models as $model) {
+            if (isset($dictionary[$model->{$foreign}])) {
+                $model->setRelation($relation, $dictionary[$model->{$foreign}]);
+            }
+        }
+
+        return $models;
+    }
+
+    /**
+     * Associate the model instance to the given parent.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model|int|string  $model
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function associate($model)
+    {
+        $ownerKey = $model instanceof Model ? $model->getAttribute($this->ownerKey) : $model;
+
+        $this->child->setAttribute($this->foreignKey, $ownerKey);
+
+        if ($model instanceof Model) {
+            $this->child->setRelation($this->relationName, $model);
+        } else {
+            $this->child->unsetRelation($this->relationName);
+        }
+
+        return $this->child;
+    }
+
+    /**
+     * Dissociate previously associated model from the given parent.
+     *
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function dissociate()
+    {
+        $this->child->setAttribute($this->foreignKey, null);
+
+        return $this->child->setRelation($this->relationName, null);
+    }
+
+    /**
+     * Add the constraints for a relationship query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        if ($parentQuery->getQuery()->from == $query->getQuery()->from) {
+            return $this->getRelationExistenceQueryForSelfRelation($query, $parentQuery, $columns);
+        }
+
+        return $query->select($columns)->whereColumn(
+            $this->getQualifiedForeignKeyName(), '=', $query->qualifyColumn($this->ownerKey)
+        );
+    }
+
+    /**
+     * Add the constraints for a relationship query on the same table.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQueryForSelfRelation(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        $query->select($columns)->from(
+            $query->getModel()->getTable().' as '.$hash = $this->getRelationCountHash()
+        );
+
+        $query->getModel()->setTable($hash);
+
+        return $query->whereColumn(
+            $hash.'.'.$this->ownerKey, '=', $this->getQualifiedForeignKeyName()
+        );
+    }
+
+    /**
+     * Get a relationship join table hash.
+     *
+     * @return string
+     */
+    public function getRelationCountHash()
+    {
+        return 'laravel_reserved_'.static::$selfJoinCount++;
+    }
+
+    /**
+     * Determine if the related model has an auto-incrementing ID.
+     *
+     * @return bool
+     */
+    protected function relationHasIncrementingId()
+    {
+        return $this->related->getIncrementing() &&
+            in_array($this->related->getKeyType(), ['int', 'integer']);
+    }
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    protected function newRelatedInstanceFor(Model $parent)
+    {
+        return $this->related->newInstance();
+    }
+
+    /**
+     * Get the child of the relationship.
+     *
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function getChild()
+    {
+        return $this->child;
+    }
+
+    /**
+     * Get the foreign key of the relationship.
+     *
+     * @return string
+     */
+    public function getForeignKeyName()
+    {
+        return $this->foreignKey;
+    }
+
+    /**
+     * Get the fully qualified foreign key of the relationship.
+     *
+     * @return string
+     */
+    public function getQualifiedForeignKeyName()
+    {
+        return $this->child->qualifyColumn($this->foreignKey);
+    }
+
+    /**
+     * Get the associated key of the relationship.
+     *
+     * @return string
+     */
+    public function getOwnerKeyName()
+    {
+        return $this->ownerKey;
+    }
+
+    /**
+     * Get the fully qualified associated key of the relationship.
+     *
+     * @return string
+     */
+    public function getQualifiedOwnerKeyName()
+    {
+        return $this->related->qualifyColumn($this->ownerKey);
+    }
+
+    /**
+     * Get the name of the relationship.
+     *
+     * @return string
+     */
+    public function getRelationName()
+    {
+        return $this->relationName;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/Concerns/AsPivot.php

@@ -0,0 +1,321 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations\Concerns;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Str;
+
+trait AsPivot
+{
+    /**
+     * The parent model of the relationship.
+     *
+     * @var \Illuminate\Database\Eloquent\Model
+     */
+    public $pivotParent;
+
+    /**
+     * The name of the foreign key column.
+     *
+     * @var string
+     */
+    protected $foreignKey;
+
+    /**
+     * The name of the "other key" column.
+     *
+     * @var string
+     */
+    protected $relatedKey;
+
+    /**
+     * Create a new pivot model instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  array  $attributes
+     * @param  string  $table
+     * @param  bool  $exists
+     * @return static
+     */
+    public static function fromAttributes(Model $parent, $attributes, $table, $exists = false)
+    {
+        $instance = new static;
+
+        $instance->timestamps = $instance->hasTimestampAttributes($attributes);
+
+        // The pivot model is a "dynamic" model since we will set the tables dynamically
+        // for the instance. This allows it work for any intermediate tables for the
+        // many to many relationship that are defined by this developer's classes.
+        $instance->setConnection($parent->getConnectionName())
+            ->setTable($table)
+            ->forceFill($attributes)
+            ->syncOriginal();
+
+        // We store off the parent instance so we will access the timestamp column names
+        // for the model, since the pivot model timestamps aren't easily configurable
+        // from the developer's point of view. We can use the parents to get these.
+        $instance->pivotParent = $parent;
+
+        $instance->exists = $exists;
+
+        return $instance;
+    }
+
+    /**
+     * Create a new pivot model from raw values returned from a query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  array  $attributes
+     * @param  string  $table
+     * @param  bool  $exists
+     * @return static
+     */
+    public static function fromRawAttributes(Model $parent, $attributes, $table, $exists = false)
+    {
+        $instance = static::fromAttributes($parent, [], $table, $exists);
+
+        $instance->timestamps = $instance->hasTimestampAttributes($attributes);
+
+        $instance->setRawAttributes($attributes, $exists);
+
+        return $instance;
+    }
+
+    /**
+     * Set the keys for a save update query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function setKeysForSaveQuery(Builder $query)
+    {
+        if (isset($this->attributes[$this->getKeyName()])) {
+            return parent::setKeysForSaveQuery($query);
+        }
+
+        $query->where($this->foreignKey, $this->getOriginal(
+            $this->foreignKey, $this->getAttribute($this->foreignKey)
+        ));
+
+        return $query->where($this->relatedKey, $this->getOriginal(
+            $this->relatedKey, $this->getAttribute($this->relatedKey)
+        ));
+    }
+
+    /**
+     * Delete the pivot model record from the database.
+     *
+     * @return int
+     */
+    public function delete()
+    {
+        if (isset($this->attributes[$this->getKeyName()])) {
+            return (int) parent::delete();
+        }
+
+        if ($this->fireModelEvent('deleting') === false) {
+            return 0;
+        }
+
+        $this->touchOwners();
+
+        return tap($this->getDeleteQuery()->delete(), function () {
+            $this->exists = false;
+
+            $this->fireModelEvent('deleted', false);
+        });
+    }
+
+    /**
+     * Get the query builder for a delete operation on the pivot.
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function getDeleteQuery()
+    {
+        return $this->newQueryWithoutRelationships()->where([
+            $this->foreignKey => $this->getOriginal($this->foreignKey, $this->getAttribute($this->foreignKey)),
+            $this->relatedKey => $this->getOriginal($this->relatedKey, $this->getAttribute($this->relatedKey)),
+        ]);
+    }
+
+    /**
+     * Get the table associated with the model.
+     *
+     * @return string
+     */
+    public function getTable()
+    {
+        if (! isset($this->table)) {
+            $this->setTable(str_replace(
+                '\\', '', Str::snake(Str::singular(class_basename($this)))
+            ));
+        }
+
+        return $this->table;
+    }
+
+    /**
+     * Get the foreign key column name.
+     *
+     * @return string
+     */
+    public function getForeignKey()
+    {
+        return $this->foreignKey;
+    }
+
+    /**
+     * Get the "related key" column name.
+     *
+     * @return string
+     */
+    public function getRelatedKey()
+    {
+        return $this->relatedKey;
+    }
+
+    /**
+     * Get the "related key" column name.
+     *
+     * @return string
+     */
+    public function getOtherKey()
+    {
+        return $this->getRelatedKey();
+    }
+
+    /**
+     * Set the key names for the pivot model instance.
+     *
+     * @param  string  $foreignKey
+     * @param  string  $relatedKey
+     * @return $this
+     */
+    public function setPivotKeys($foreignKey, $relatedKey)
+    {
+        $this->foreignKey = $foreignKey;
+
+        $this->relatedKey = $relatedKey;
+
+        return $this;
+    }
+
+    /**
+     * Determine if the pivot model or given attributes has timestamp attributes.
+     *
+     * @param  array|null  $attributes
+     * @return bool
+     */
+    public function hasTimestampAttributes($attributes = null)
+    {
+        return array_key_exists($this->getCreatedAtColumn(), $attributes ?? $this->attributes);
+    }
+
+    /**
+     * Get the name of the "created at" column.
+     *
+     * @return string
+     */
+    public function getCreatedAtColumn()
+    {
+        return $this->pivotParent
+            ? $this->pivotParent->getCreatedAtColumn()
+            : parent::getCreatedAtColumn();
+    }
+
+    /**
+     * Get the name of the "updated at" column.
+     *
+     * @return string
+     */
+    public function getUpdatedAtColumn()
+    {
+        return $this->pivotParent
+            ? $this->pivotParent->getUpdatedAtColumn()
+            : parent::getUpdatedAtColumn();
+    }
+
+    /**
+     * Get the queueable identity for the entity.
+     *
+     * @return mixed
+     */
+    public function getQueueableId()
+    {
+        if (isset($this->attributes[$this->getKeyName()])) {
+            return $this->getKey();
+        }
+
+        return sprintf(
+            '%s:%s:%s:%s',
+            $this->foreignKey, $this->getAttribute($this->foreignKey),
+            $this->relatedKey, $this->getAttribute($this->relatedKey)
+        );
+    }
+
+    /**
+     * Get a new query to restore one or more models by their queueable IDs.
+     *
+     * @param  int[]|string[]|string  $ids
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function newQueryForRestoration($ids)
+    {
+        if (is_array($ids)) {
+            return $this->newQueryForCollectionRestoration($ids);
+        }
+
+        if (! Str::contains($ids, ':')) {
+            return parent::newQueryForRestoration($ids);
+        }
+
+        $segments = explode(':', $ids);
+
+        return $this->newQueryWithoutScopes()
+            ->where($segments[0], $segments[1])
+            ->where($segments[2], $segments[3]);
+    }
+
+    /**
+     * Get a new query to restore multiple models by their queueable IDs.
+     *
+     * @param  int[]|string[]  $ids
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function newQueryForCollectionRestoration(array $ids)
+    {
+        $ids = array_values($ids);
+
+        if (! Str::contains($ids[0], ':')) {
+            return parent::newQueryForRestoration($ids);
+        }
+
+        $query = $this->newQueryWithoutScopes();
+
+        foreach ($ids as $id) {
+            $segments = explode(':', $id);
+
+            $query->orWhere(function ($query) use ($segments) {
+                return $query->where($segments[0], $segments[1])
+                    ->where($segments[2], $segments[3]);
+            });
+        }
+
+        return $query;
+    }
+
+    /**
+     * Unset all the loaded relations for the instance.
+     *
+     * @return $this
+     */
+    public function unsetRelations()
+    {
+        $this->pivotParent = null;
+        $this->relations = [];
+
+        return $this;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/Concerns/InteractsWithPivotTable.php

@@ -0,0 +1,670 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations\Concerns;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Pivot;
+use Illuminate\Support\Collection as BaseCollection;
+
+trait InteractsWithPivotTable
+{
+    /**
+     * Toggles a model (or models) from the parent.
+     *
+     * Each existing model is detached, and non existing ones are attached.
+     *
+     * @param  mixed  $ids
+     * @param  bool  $touch
+     * @return array
+     */
+    public function toggle($ids, $touch = true)
+    {
+        $changes = [
+            'attached' => [], 'detached' => [],
+        ];
+
+        $records = $this->formatRecordsList($this->parseIds($ids));
+
+        // Next, we will determine which IDs should get removed from the join table by
+        // checking which of the given ID/records is in the list of current records
+        // and removing all of those rows from this "intermediate" joining table.
+        $detach = array_values(array_intersect(
+            $this->newPivotQuery()->pluck($this->relatedPivotKey)->all(),
+            array_keys($records)
+        ));
+
+        if (count($detach) > 0) {
+            $this->detach($detach, false);
+
+            $changes['detached'] = $this->castKeys($detach);
+        }
+
+        // Finally, for all of the records which were not "detached", we'll attach the
+        // records into the intermediate table. Then, we will add those attaches to
+        // this change list and get ready to return these results to the callers.
+        $attach = array_diff_key($records, array_flip($detach));
+
+        if (count($attach) > 0) {
+            $this->attach($attach, [], false);
+
+            $changes['attached'] = array_keys($attach);
+        }
+
+        // Once we have finished attaching or detaching the records, we will see if we
+        // have done any attaching or detaching, and if we have we will touch these
+        // relationships if they are configured to touch on any database updates.
+        if ($touch && (count($changes['attached']) ||
+                       count($changes['detached']))) {
+            $this->touchIfTouching();
+        }
+
+        return $changes;
+    }
+
+    /**
+     * Sync the intermediate tables with a list of IDs without detaching.
+     *
+     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array  $ids
+     * @return array
+     */
+    public function syncWithoutDetaching($ids)
+    {
+        return $this->sync($ids, false);
+    }
+
+    /**
+     * Sync the intermediate tables with a list of IDs or collection of models.
+     *
+     * @param  \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array  $ids
+     * @param  bool  $detaching
+     * @return array
+     */
+    public function sync($ids, $detaching = true)
+    {
+        $changes = [
+            'attached' => [], 'detached' => [], 'updated' => [],
+        ];
+
+        // First we need to attach any of the associated models that are not currently
+        // in this joining table. We'll spin through the given IDs, checking to see
+        // if they exist in the array of current ones, and if not we will insert.
+        $current = $this->getCurrentlyAttachedPivots()
+                        ->pluck($this->relatedPivotKey)->all();
+
+        $detach = array_diff($current, array_keys(
+            $records = $this->formatRecordsList($this->parseIds($ids))
+        ));
+
+        // Next, we will take the differences of the currents and given IDs and detach
+        // all of the entities that exist in the "current" array but are not in the
+        // array of the new IDs given to the method which will complete the sync.
+        if ($detaching && count($detach) > 0) {
+            $this->detach($detach);
+
+            $changes['detached'] = $this->castKeys($detach);
+        }
+
+        // Now we are finally ready to attach the new records. Note that we'll disable
+        // touching until after the entire operation is complete so we don't fire a
+        // ton of touch operations until we are totally done syncing the records.
+        $changes = array_merge(
+            $changes, $this->attachNew($records, $current, false)
+        );
+
+        // Once we have finished attaching or detaching the records, we will see if we
+        // have done any attaching or detaching, and if we have we will touch these
+        // relationships if they are configured to touch on any database updates.
+        if (count($changes['attached']) ||
+            count($changes['updated'])) {
+            $this->touchIfTouching();
+        }
+
+        return $changes;
+    }
+
+    /**
+     * Format the sync / toggle record list so that it is keyed by ID.
+     *
+     * @param  array  $records
+     * @return array
+     */
+    protected function formatRecordsList(array $records)
+    {
+        return collect($records)->mapWithKeys(function ($attributes, $id) {
+            if (! is_array($attributes)) {
+                [$id, $attributes] = [$attributes, []];
+            }
+
+            return [$id => $attributes];
+        })->all();
+    }
+
+    /**
+     * Attach all of the records that aren't in the given current records.
+     *
+     * @param  array  $records
+     * @param  array  $current
+     * @param  bool  $touch
+     * @return array
+     */
+    protected function attachNew(array $records, array $current, $touch = true)
+    {
+        $changes = ['attached' => [], 'updated' => []];
+
+        foreach ($records as $id => $attributes) {
+            // If the ID is not in the list of existing pivot IDs, we will insert a new pivot
+            // record, otherwise, we will just update this existing record on this joining
+            // table, so that the developers will easily update these records pain free.
+            if (! in_array($id, $current)) {
+                $this->attach($id, $attributes, $touch);
+
+                $changes['attached'][] = $this->castKey($id);
+            }
+
+            // Now we'll try to update an existing pivot record with the attributes that were
+            // given to the method. If the model is actually updated we will add it to the
+            // list of updated pivot records so we return them back out to the consumer.
+            elseif (count($attributes) > 0 &&
+                $this->updateExistingPivot($id, $attributes, $touch)) {
+                $changes['updated'][] = $this->castKey($id);
+            }
+        }
+
+        return $changes;
+    }
+
+    /**
+     * Update an existing pivot record on the table.
+     *
+     * @param  mixed  $id
+     * @param  array  $attributes
+     * @param  bool  $touch
+     * @return int
+     */
+    public function updateExistingPivot($id, array $attributes, $touch = true)
+    {
+        if ($this->using &&
+            empty($this->pivotWheres) &&
+            empty($this->pivotWhereIns) &&
+            empty($this->pivotWhereNulls)) {
+            return $this->updateExistingPivotUsingCustomClass($id, $attributes, $touch);
+        }
+
+        if (in_array($this->updatedAt(), $this->pivotColumns)) {
+            $attributes = $this->addTimestampsToAttachment($attributes, true);
+        }
+
+        $updated = $this->newPivotStatementForId($this->parseId($id))->update(
+            $this->castAttributes($attributes)
+        );
+
+        if ($touch) {
+            $this->touchIfTouching();
+        }
+
+        return $updated;
+    }
+
+    /**
+     * Update an existing pivot record on the table via a custom class.
+     *
+     * @param  mixed  $id
+     * @param  array  $attributes
+     * @param  bool  $touch
+     * @return int
+     */
+    protected function updateExistingPivotUsingCustomClass($id, array $attributes, $touch)
+    {
+        $pivot = $this->getCurrentlyAttachedPivots()
+                    ->where($this->foreignPivotKey, $this->parent->{$this->parentKey})
+                    ->where($this->relatedPivotKey, $this->parseId($id))
+                    ->first();
+
+        $updated = $pivot ? $pivot->fill($attributes)->isDirty() : false;
+
+        if ($updated) {
+            $pivot->save();
+        }
+
+        if ($touch) {
+            $this->touchIfTouching();
+        }
+
+        return (int) $updated;
+    }
+
+    /**
+     * Attach a model to the parent.
+     *
+     * @param  mixed  $id
+     * @param  array  $attributes
+     * @param  bool  $touch
+     * @return void
+     */
+    public function attach($id, array $attributes = [], $touch = true)
+    {
+        if ($this->using) {
+            $this->attachUsingCustomClass($id, $attributes);
+        } else {
+            // Here we will insert the attachment records into the pivot table. Once we have
+            // inserted the records, we will touch the relationships if necessary and the
+            // function will return. We can parse the IDs before inserting the records.
+            $this->newPivotStatement()->insert($this->formatAttachRecords(
+                $this->parseIds($id), $attributes
+            ));
+        }
+
+        if ($touch) {
+            $this->touchIfTouching();
+        }
+    }
+
+    /**
+     * Attach a model to the parent using a custom class.
+     *
+     * @param  mixed  $id
+     * @param  array  $attributes
+     * @return void
+     */
+    protected function attachUsingCustomClass($id, array $attributes)
+    {
+        $records = $this->formatAttachRecords(
+            $this->parseIds($id), $attributes
+        );
+
+        foreach ($records as $record) {
+            $this->newPivot($record, false)->save();
+        }
+    }
+
+    /**
+     * Create an array of records to insert into the pivot table.
+     *
+     * @param  array  $ids
+     * @param  array  $attributes
+     * @return array
+     */
+    protected function formatAttachRecords($ids, array $attributes)
+    {
+        $records = [];
+
+        $hasTimestamps = ($this->hasPivotColumn($this->createdAt()) ||
+                  $this->hasPivotColumn($this->updatedAt()));
+
+        // To create the attachment records, we will simply spin through the IDs given
+        // and create a new record to insert for each ID. Each ID may actually be a
+        // key in the array, with extra attributes to be placed in other columns.
+        foreach ($ids as $key => $value) {
+            $records[] = $this->formatAttachRecord(
+                $key, $value, $attributes, $hasTimestamps
+            );
+        }
+
+        return $records;
+    }
+
+    /**
+     * Create a full attachment record payload.
+     *
+     * @param  int  $key
+     * @param  mixed  $value
+     * @param  array  $attributes
+     * @param  bool  $hasTimestamps
+     * @return array
+     */
+    protected function formatAttachRecord($key, $value, $attributes, $hasTimestamps)
+    {
+        [$id, $attributes] = $this->extractAttachIdAndAttributes($key, $value, $attributes);
+
+        return array_merge(
+            $this->baseAttachRecord($id, $hasTimestamps), $this->castAttributes($attributes)
+        );
+    }
+
+    /**
+     * Get the attach record ID and extra attributes.
+     *
+     * @param  mixed  $key
+     * @param  mixed  $value
+     * @param  array  $attributes
+     * @return array
+     */
+    protected function extractAttachIdAndAttributes($key, $value, array $attributes)
+    {
+        return is_array($value)
+                    ? [$key, array_merge($value, $attributes)]
+                    : [$value, $attributes];
+    }
+
+    /**
+     * Create a new pivot attachment record.
+     *
+     * @param  int  $id
+     * @param  bool  $timed
+     * @return array
+     */
+    protected function baseAttachRecord($id, $timed)
+    {
+        $record[$this->relatedPivotKey] = $id;
+
+        $record[$this->foreignPivotKey] = $this->parent->{$this->parentKey};
+
+        // If the record needs to have creation and update timestamps, we will make
+        // them by calling the parent model's "freshTimestamp" method which will
+        // provide us with a fresh timestamp in this model's preferred format.
+        if ($timed) {
+            $record = $this->addTimestampsToAttachment($record);
+        }
+
+        foreach ($this->pivotValues as $value) {
+            $record[$value['column']] = $value['value'];
+        }
+
+        return $record;
+    }
+
+    /**
+     * Set the creation and update timestamps on an attach record.
+     *
+     * @param  array  $record
+     * @param  bool  $exists
+     * @return array
+     */
+    protected function addTimestampsToAttachment(array $record, $exists = false)
+    {
+        $fresh = $this->parent->freshTimestamp();
+
+        if ($this->using) {
+            $pivotModel = new $this->using;
+
+            $fresh = $fresh->format($pivotModel->getDateFormat());
+        }
+
+        if (! $exists && $this->hasPivotColumn($this->createdAt())) {
+            $record[$this->createdAt()] = $fresh;
+        }
+
+        if ($this->hasPivotColumn($this->updatedAt())) {
+            $record[$this->updatedAt()] = $fresh;
+        }
+
+        return $record;
+    }
+
+    /**
+     * Determine whether the given column is defined as a pivot column.
+     *
+     * @param  string  $column
+     * @return bool
+     */
+    public function hasPivotColumn($column)
+    {
+        return in_array($column, $this->pivotColumns);
+    }
+
+    /**
+     * Detach models from the relationship.
+     *
+     * @param  mixed  $ids
+     * @param  bool  $touch
+     * @return int
+     */
+    public function detach($ids = null, $touch = true)
+    {
+        if ($this->using &&
+            ! empty($ids) &&
+            empty($this->pivotWheres) &&
+            empty($this->pivotWhereIns) &&
+            empty($this->pivotWhereNulls)) {
+            $results = $this->detachUsingCustomClass($ids);
+        } else {
+            $query = $this->newPivotQuery();
+
+            // If associated IDs were passed to the method we will only delete those
+            // associations, otherwise all of the association ties will be broken.
+            // We'll return the numbers of affected rows when we do the deletes.
+            if (! is_null($ids)) {
+                $ids = $this->parseIds($ids);
+
+                if (empty($ids)) {
+                    return 0;
+                }
+
+                $query->whereIn($this->relatedPivotKey, (array) $ids);
+            }
+
+            // Once we have all of the conditions set on the statement, we are ready
+            // to run the delete on the pivot table. Then, if the touch parameter
+            // is true, we will go ahead and touch all related models to sync.
+            $results = $query->delete();
+        }
+
+        if ($touch) {
+            $this->touchIfTouching();
+        }
+
+        return $results;
+    }
+
+    /**
+     * Detach models from the relationship using a custom class.
+     *
+     * @param  mixed  $ids
+     * @return int
+     */
+    protected function detachUsingCustomClass($ids)
+    {
+        $results = 0;
+
+        foreach ($this->parseIds($ids) as $id) {
+            $results += $this->newPivot([
+                $this->foreignPivotKey => $this->parent->{$this->parentKey},
+                $this->relatedPivotKey => $id,
+            ], true)->delete();
+        }
+
+        return $results;
+    }
+
+    /**
+     * Get the pivot models that are currently attached.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    protected function getCurrentlyAttachedPivots()
+    {
+        return $this->newPivotQuery()->get()->map(function ($record) {
+            $class = $this->using ? $this->using : Pivot::class;
+
+            $pivot = $class::fromRawAttributes($this->parent, (array) $record, $this->getTable(), true);
+
+            return $pivot->setPivotKeys($this->foreignPivotKey, $this->relatedPivotKey);
+        });
+    }
+
+    /**
+     * Create a new pivot model instance.
+     *
+     * @param  array  $attributes
+     * @param  bool  $exists
+     * @return \Illuminate\Database\Eloquent\Relations\Pivot
+     */
+    public function newPivot(array $attributes = [], $exists = false)
+    {
+        $pivot = $this->related->newPivot(
+            $this->parent, $attributes, $this->table, $exists, $this->using
+        );
+
+        return $pivot->setPivotKeys($this->foreignPivotKey, $this->relatedPivotKey);
+    }
+
+    /**
+     * Create a new existing pivot model instance.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Relations\Pivot
+     */
+    public function newExistingPivot(array $attributes = [])
+    {
+        return $this->newPivot($attributes, true);
+    }
+
+    /**
+     * Get a new plain query builder for the pivot table.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public function newPivotStatement()
+    {
+        return $this->query->getQuery()->newQuery()->from($this->table);
+    }
+
+    /**
+     * Get a new pivot statement for a given "other" ID.
+     *
+     * @param  mixed  $id
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public function newPivotStatementForId($id)
+    {
+        return $this->newPivotQuery()->whereIn($this->relatedPivotKey, $this->parseIds($id));
+    }
+
+    /**
+     * Create a new query builder for the pivot table.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public function newPivotQuery()
+    {
+        $query = $this->newPivotStatement();
+
+        foreach ($this->pivotWheres as $arguments) {
+            $query->where(...$arguments);
+        }
+
+        foreach ($this->pivotWhereIns as $arguments) {
+            $query->whereIn(...$arguments);
+        }
+
+        foreach ($this->pivotWhereNulls as $arguments) {
+            $query->whereNull(...$arguments);
+        }
+
+        return $query->where($this->foreignPivotKey, $this->parent->{$this->parentKey});
+    }
+
+    /**
+     * Set the columns on the pivot table to retrieve.
+     *
+     * @param  array|mixed  $columns
+     * @return $this
+     */
+    public function withPivot($columns)
+    {
+        $this->pivotColumns = array_merge(
+            $this->pivotColumns, is_array($columns) ? $columns : func_get_args()
+        );
+
+        return $this;
+    }
+
+    /**
+     * Get all of the IDs from the given mixed value.
+     *
+     * @param  mixed  $value
+     * @return array
+     */
+    protected function parseIds($value)
+    {
+        if ($value instanceof Model) {
+            return [$value->{$this->relatedKey}];
+        }
+
+        if ($value instanceof Collection) {
+            return $value->pluck($this->relatedKey)->all();
+        }
+
+        if ($value instanceof BaseCollection) {
+            return $value->toArray();
+        }
+
+        return (array) $value;
+    }
+
+    /**
+     * Get the ID from the given mixed value.
+     *
+     * @param  mixed  $value
+     * @return mixed
+     */
+    protected function parseId($value)
+    {
+        return $value instanceof Model ? $value->{$this->relatedKey} : $value;
+    }
+
+    /**
+     * Cast the given keys to integers if they are numeric and string otherwise.
+     *
+     * @param  array  $keys
+     * @return array
+     */
+    protected function castKeys(array $keys)
+    {
+        return array_map(function ($v) {
+            return $this->castKey($v);
+        }, $keys);
+    }
+
+    /**
+     * Cast the given key to convert to primary key type.
+     *
+     * @param  mixed  $key
+     * @return mixed
+     */
+    protected function castKey($key)
+    {
+        return $this->getTypeSwapValue(
+            $this->related->getKeyType(),
+            $key
+        );
+    }
+
+    /**
+     * Cast the given pivot attributes.
+     *
+     * @param  array  $attributes
+     * @return array
+     */
+    protected function castAttributes($attributes)
+    {
+        return $this->using
+                    ? $this->newPivot()->fill($attributes)->getAttributes()
+                    : $attributes;
+    }
+
+    /**
+     * Converts a given value to a given type value.
+     *
+     * @param  string  $type
+     * @param  mixed  $value
+     * @return mixed
+     */
+    protected function getTypeSwapValue($type, $value)
+    {
+        switch (strtolower($type)) {
+            case 'int':
+            case 'integer':
+                return (int) $value;
+            case 'real':
+            case 'float':
+            case 'double':
+                return (float) $value;
+            case 'string':
+                return (string) $value;
+            default:
+                return $value;
+        }
+    }
+}

vendor/illuminate/database/Eloquent/Relations/Concerns/SupportsDefaultModels.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations\Concerns;
+
+use Illuminate\Database\Eloquent\Model;
+
+trait SupportsDefaultModels
+{
+    /**
+     * Indicates if a default model instance should be used.
+     *
+     * Alternatively, may be a Closure or array.
+     *
+     * @var \Closure|array|bool
+     */
+    protected $withDefault;
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    abstract protected function newRelatedInstanceFor(Model $parent);
+
+    /**
+     * Return a new model instance in case the relationship does not exist.
+     *
+     * @param  \Closure|array|bool  $callback
+     * @return $this
+     */
+    public function withDefault($callback = true)
+    {
+        $this->withDefault = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Get the default value for this relation.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model|null
+     */
+    protected function getDefaultFor(Model $parent)
+    {
+        if (! $this->withDefault) {
+            return;
+        }
+
+        $instance = $this->newRelatedInstanceFor($parent);
+
+        if (is_callable($this->withDefault)) {
+            return call_user_func($this->withDefault, $instance, $parent) ?: $instance;
+        }
+
+        if (is_array($this->withDefault)) {
+            $instance->forceFill($this->withDefault);
+        }
+
+        return $instance;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/HasMany.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Collection;
+
+class HasMany extends HasOneOrMany
+{
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        return ! is_null($this->getParentKey())
+                ? $this->query->get()
+                : $this->related->newCollection();
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->related->newCollection());
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        return $this->matchMany($models, $results, $relation);
+    }
+}

vendor/illuminate/database/Eloquent/Relations/HasManyThrough.php

@@ -0,0 +1,688 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class HasManyThrough extends Relation
+{
+    /**
+     * The "through" parent model instance.
+     *
+     * @var \Illuminate\Database\Eloquent\Model
+     */
+    protected $throughParent;
+
+    /**
+     * The far parent model instance.
+     *
+     * @var \Illuminate\Database\Eloquent\Model
+     */
+    protected $farParent;
+
+    /**
+     * The near key on the relationship.
+     *
+     * @var string
+     */
+    protected $firstKey;
+
+    /**
+     * The far key on the relationship.
+     *
+     * @var string
+     */
+    protected $secondKey;
+
+    /**
+     * The local key on the relationship.
+     *
+     * @var string
+     */
+    protected $localKey;
+
+    /**
+     * The local key on the intermediary model.
+     *
+     * @var string
+     */
+    protected $secondLocalKey;
+
+    /**
+     * The count of self joins.
+     *
+     * @var int
+     */
+    protected static $selfJoinCount = 0;
+
+    /**
+     * Create a new has many through relationship instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $farParent
+     * @param  \Illuminate\Database\Eloquent\Model  $throughParent
+     * @param  string  $firstKey
+     * @param  string  $secondKey
+     * @param  string  $localKey
+     * @param  string  $secondLocalKey
+     * @return void
+     */
+    public function __construct(Builder $query, Model $farParent, Model $throughParent, $firstKey, $secondKey, $localKey, $secondLocalKey)
+    {
+        $this->localKey = $localKey;
+        $this->firstKey = $firstKey;
+        $this->secondKey = $secondKey;
+        $this->farParent = $farParent;
+        $this->throughParent = $throughParent;
+        $this->secondLocalKey = $secondLocalKey;
+
+        parent::__construct($query, $throughParent);
+    }
+
+    /**
+     * Set the base constraints on the relation query.
+     *
+     * @return void
+     */
+    public function addConstraints()
+    {
+        $localValue = $this->farParent[$this->localKey];
+
+        $this->performJoin();
+
+        if (static::$constraints) {
+            $this->query->where($this->getQualifiedFirstKeyName(), '=', $localValue);
+        }
+    }
+
+    /**
+     * Set the join clause on the query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder|null  $query
+     * @return void
+     */
+    protected function performJoin(Builder $query = null)
+    {
+        $query = $query ?: $this->query;
+
+        $farKey = $this->getQualifiedFarKeyName();
+
+        $query->join($this->throughParent->getTable(), $this->getQualifiedParentKeyName(), '=', $farKey);
+
+        if ($this->throughParentSoftDeletes()) {
+            $query->withGlobalScope('SoftDeletableHasManyThrough', function ($query) {
+                $query->whereNull($this->throughParent->getQualifiedDeletedAtColumn());
+            });
+        }
+    }
+
+    /**
+     * Get the fully qualified parent key name.
+     *
+     * @return string
+     */
+    public function getQualifiedParentKeyName()
+    {
+        return $this->parent->qualifyColumn($this->secondLocalKey);
+    }
+
+    /**
+     * Determine whether "through" parent of the relation uses Soft Deletes.
+     *
+     * @return bool
+     */
+    public function throughParentSoftDeletes()
+    {
+        return in_array(SoftDeletes::class, class_uses_recursive($this->throughParent));
+    }
+
+    /**
+     * Indicate that trashed "through" parents should be included in the query.
+     *
+     * @return $this
+     */
+    public function withTrashedParents()
+    {
+        $this->query->withoutGlobalScope('SoftDeletableHasManyThrough');
+
+        return $this;
+    }
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    public function addEagerConstraints(array $models)
+    {
+        $whereIn = $this->whereInMethod($this->farParent, $this->localKey);
+
+        $this->query->{$whereIn}(
+            $this->getQualifiedFirstKeyName(), $this->getKeys($models, $this->localKey)
+        );
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->related->newCollection());
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        $dictionary = $this->buildDictionary($results);
+
+        // Once we have the dictionary we can simply spin through the parent models to
+        // link them up with their children using the keyed dictionary to make the
+        // matching very convenient and easy work. Then we'll just return them.
+        foreach ($models as $model) {
+            if (isset($dictionary[$key = $model->getAttribute($this->localKey)])) {
+                $model->setRelation(
+                    $relation, $this->related->newCollection($dictionary[$key])
+                );
+            }
+        }
+
+        return $models;
+    }
+
+    /**
+     * Build model dictionary keyed by the relation's foreign key.
+     *
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @return array
+     */
+    protected function buildDictionary(Collection $results)
+    {
+        $dictionary = [];
+
+        // First we will create a dictionary of models keyed by the foreign key of the
+        // relationship as this will allow us to quickly access all of the related
+        // models without having to do nested looping which will be quite slow.
+        foreach ($results as $result) {
+            $dictionary[$result->laravel_through_key][] = $result;
+        }
+
+        return $dictionary;
+    }
+
+    /**
+     * Get the first related model record matching the attributes or instantiate it.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function firstOrNew(array $attributes)
+    {
+        if (is_null($instance = $this->where($attributes)->first())) {
+            $instance = $this->related->newInstance($attributes);
+        }
+
+        return $instance;
+    }
+
+    /**
+     * Create or update a related record matching the attributes, and fill it with values.
+     *
+     * @param  array  $attributes
+     * @param  array  $values
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function updateOrCreate(array $attributes, array $values = [])
+    {
+        $instance = $this->firstOrNew($attributes);
+
+        $instance->fill($values)->save();
+
+        return $instance;
+    }
+
+    /**
+     * Add a basic where clause to the query, and return the first result.
+     *
+     * @param  \Closure|string|array  $column
+     * @param  mixed  $operator
+     * @param  mixed  $value
+     * @param  string  $boolean
+     * @return \Illuminate\Database\Eloquent\Model|static
+     */
+    public function firstWhere($column, $operator = null, $value = null, $boolean = 'and')
+    {
+        return $this->where($column, $operator, $value, $boolean)->first();
+    }
+
+    /**
+     * Execute the query and get the first related model.
+     *
+     * @param  array  $columns
+     * @return mixed
+     */
+    public function first($columns = ['*'])
+    {
+        $results = $this->take(1)->get($columns);
+
+        return count($results) > 0 ? $results->first() : null;
+    }
+
+    /**
+     * Execute the query and get the first result or throw an exception.
+     *
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Model|static
+     *
+     * @throws \Illuminate\Database\Eloquent\ModelNotFoundException
+     */
+    public function firstOrFail($columns = ['*'])
+    {
+        if (! is_null($model = $this->first($columns))) {
+            return $model;
+        }
+
+        throw (new ModelNotFoundException)->setModel(get_class($this->related));
+    }
+
+    /**
+     * Find a related model by its primary key.
+     *
+     * @param  mixed  $id
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Collection|null
+     */
+    public function find($id, $columns = ['*'])
+    {
+        if (is_array($id) || $id instanceof Arrayable) {
+            return $this->findMany($id, $columns);
+        }
+
+        return $this->where(
+            $this->getRelated()->getQualifiedKeyName(), '=', $id
+        )->first($columns);
+    }
+
+    /**
+     * Find multiple related models by their primary keys.
+     *
+     * @param  \Illuminate\Contracts\Support\Arrayable|array  $ids
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function findMany($ids, $columns = ['*'])
+    {
+        $ids = $ids instanceof Arrayable ? $ids->toArray() : $ids;
+
+        if (empty($ids)) {
+            return $this->getRelated()->newCollection();
+        }
+
+        return $this->whereIn(
+            $this->getRelated()->getQualifiedKeyName(), $ids
+        )->get($columns);
+    }
+
+    /**
+     * Find a related model by its primary key or throw an exception.
+     *
+     * @param  mixed  $id
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Collection
+     *
+     * @throws \Illuminate\Database\Eloquent\ModelNotFoundException
+     */
+    public function findOrFail($id, $columns = ['*'])
+    {
+        $result = $this->find($id, $columns);
+
+        $id = $id instanceof Arrayable ? $id->toArray() : $id;
+
+        if (is_array($id)) {
+            if (count($result) === count(array_unique($id))) {
+                return $result;
+            }
+        } elseif (! is_null($result)) {
+            return $result;
+        }
+
+        throw (new ModelNotFoundException)->setModel(get_class($this->related), $id);
+    }
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        return ! is_null($this->farParent->{$this->localKey})
+                ? $this->get()
+                : $this->related->newCollection();
+    }
+
+    /**
+     * Execute the query as a "select" statement.
+     *
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function get($columns = ['*'])
+    {
+        $builder = $this->prepareQueryBuilder($columns);
+
+        $models = $builder->getModels();
+
+        // If we actually found models we will also eager load any relationships that
+        // have been specified as needing to be eager loaded. This will solve the
+        // n + 1 query problem for the developer and also increase performance.
+        if (count($models) > 0) {
+            $models = $builder->eagerLoadRelations($models);
+        }
+
+        return $this->related->newCollection($models);
+    }
+
+    /**
+     * Get a paginator for the "select" statement.
+     *
+     * @param  int|null  $perPage
+     * @param  array  $columns
+     * @param  string  $pageName
+     * @param  int  $page
+     * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
+     */
+    public function paginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
+    {
+        $this->query->addSelect($this->shouldSelect($columns));
+
+        return $this->query->paginate($perPage, $columns, $pageName, $page);
+    }
+
+    /**
+     * Paginate the given query into a simple paginator.
+     *
+     * @param  int|null  $perPage
+     * @param  array  $columns
+     * @param  string  $pageName
+     * @param  int|null  $page
+     * @return \Illuminate\Contracts\Pagination\Paginator
+     */
+    public function simplePaginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
+    {
+        $this->query->addSelect($this->shouldSelect($columns));
+
+        return $this->query->simplePaginate($perPage, $columns, $pageName, $page);
+    }
+
+    /**
+     * Set the select clause for the relation query.
+     *
+     * @param  array  $columns
+     * @return array
+     */
+    protected function shouldSelect(array $columns = ['*'])
+    {
+        if ($columns == ['*']) {
+            $columns = [$this->related->getTable().'.*'];
+        }
+
+        return array_merge($columns, [$this->getQualifiedFirstKeyName().' as laravel_through_key']);
+    }
+
+    /**
+     * Chunk the results of the query.
+     *
+     * @param  int  $count
+     * @param  callable  $callback
+     * @return bool
+     */
+    public function chunk($count, callable $callback)
+    {
+        return $this->prepareQueryBuilder()->chunk($count, $callback);
+    }
+
+    /**
+     * Chunk the results of a query by comparing numeric IDs.
+     *
+     * @param  int  $count
+     * @param  callable  $callback
+     * @param  string|null  $column
+     * @param  string|null  $alias
+     * @return bool
+     */
+    public function chunkById($count, callable $callback, $column = null, $alias = null)
+    {
+        $column = $column ?? $this->getRelated()->getQualifiedKeyName();
+
+        $alias = $alias ?? $this->getRelated()->getKeyName();
+
+        return $this->prepareQueryBuilder()->chunkById($count, $callback, $column, $alias);
+    }
+
+    /**
+     * Get a generator for the given query.
+     *
+     * @return \Generator
+     */
+    public function cursor()
+    {
+        return $this->prepareQueryBuilder()->cursor();
+    }
+
+    /**
+     * Execute a callback over each item while chunking.
+     *
+     * @param  callable  $callback
+     * @param  int  $count
+     * @return bool
+     */
+    public function each(callable $callback, $count = 1000)
+    {
+        return $this->chunk($count, function ($results) use ($callback) {
+            foreach ($results as $key => $value) {
+                if ($callback($value, $key) === false) {
+                    return false;
+                }
+            }
+        });
+    }
+
+    /**
+     * Prepare the query builder for query execution.
+     *
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function prepareQueryBuilder($columns = ['*'])
+    {
+        $builder = $this->query->applyScopes();
+
+        return $builder->addSelect(
+            $this->shouldSelect($builder->getQuery()->columns ? [] : $columns)
+        );
+    }
+
+    /**
+     * Add the constraints for a relationship query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        if ($parentQuery->getQuery()->from === $query->getQuery()->from) {
+            return $this->getRelationExistenceQueryForSelfRelation($query, $parentQuery, $columns);
+        }
+
+        if ($parentQuery->getQuery()->from === $this->throughParent->getTable()) {
+            return $this->getRelationExistenceQueryForThroughSelfRelation($query, $parentQuery, $columns);
+        }
+
+        $this->performJoin($query);
+
+        return $query->select($columns)->whereColumn(
+            $this->getQualifiedLocalKeyName(), '=', $this->getQualifiedFirstKeyName()
+        );
+    }
+
+    /**
+     * Add the constraints for a relationship query on the same table.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQueryForSelfRelation(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        $query->from($query->getModel()->getTable().' as '.$hash = $this->getRelationCountHash());
+
+        $query->join($this->throughParent->getTable(), $this->getQualifiedParentKeyName(), '=', $hash.'.'.$this->secondKey);
+
+        if ($this->throughParentSoftDeletes()) {
+            $query->whereNull($this->throughParent->getQualifiedDeletedAtColumn());
+        }
+
+        $query->getModel()->setTable($hash);
+
+        return $query->select($columns)->whereColumn(
+            $parentQuery->getQuery()->from.'.'.$this->localKey, '=', $this->getQualifiedFirstKeyName()
+        );
+    }
+
+    /**
+     * Add the constraints for a relationship query on the same table as the through parent.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQueryForThroughSelfRelation(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        $table = $this->throughParent->getTable().' as '.$hash = $this->getRelationCountHash();
+
+        $query->join($table, $hash.'.'.$this->secondLocalKey, '=', $this->getQualifiedFarKeyName());
+
+        if ($this->throughParentSoftDeletes()) {
+            $query->whereNull($hash.'.'.$this->throughParent->getDeletedAtColumn());
+        }
+
+        return $query->select($columns)->whereColumn(
+            $parentQuery->getQuery()->from.'.'.$this->localKey, '=', $hash.'.'.$this->firstKey
+        );
+    }
+
+    /**
+     * Get a relationship join table hash.
+     *
+     * @return string
+     */
+    public function getRelationCountHash()
+    {
+        return 'laravel_reserved_'.static::$selfJoinCount++;
+    }
+
+    /**
+     * Get the qualified foreign key on the related model.
+     *
+     * @return string
+     */
+    public function getQualifiedFarKeyName()
+    {
+        return $this->getQualifiedForeignKeyName();
+    }
+
+    /**
+     * Get the foreign key on the "through" model.
+     *
+     * @return string
+     */
+    public function getFirstKeyName()
+    {
+        return $this->firstKey;
+    }
+
+    /**
+     * Get the qualified foreign key on the "through" model.
+     *
+     * @return string
+     */
+    public function getQualifiedFirstKeyName()
+    {
+        return $this->throughParent->qualifyColumn($this->firstKey);
+    }
+
+    /**
+     * Get the foreign key on the related model.
+     *
+     * @return string
+     */
+    public function getForeignKeyName()
+    {
+        return $this->secondKey;
+    }
+
+    /**
+     * Get the qualified foreign key on the related model.
+     *
+     * @return string
+     */
+    public function getQualifiedForeignKeyName()
+    {
+        return $this->related->qualifyColumn($this->secondKey);
+    }
+
+    /**
+     * Get the local key on the far parent model.
+     *
+     * @return string
+     */
+    public function getLocalKeyName()
+    {
+        return $this->localKey;
+    }
+
+    /**
+     * Get the qualified local key on the far parent model.
+     *
+     * @return string
+     */
+    public function getQualifiedLocalKeyName()
+    {
+        return $this->farParent->qualifyColumn($this->localKey);
+    }
+
+    /**
+     * Get the local key on the intermediary model.
+     *
+     * @return string
+     */
+    public function getSecondLocalKeyName()
+    {
+        return $this->secondLocalKey;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/HasOne.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels;
+
+class HasOne extends HasOneOrMany
+{
+    use SupportsDefaultModels;
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        if (is_null($this->getParentKey())) {
+            return $this->getDefaultFor($this->parent);
+        }
+
+        return $this->query->first() ?: $this->getDefaultFor($this->parent);
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->getDefaultFor($model));
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        return $this->matchOne($models, $results, $relation);
+    }
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function newRelatedInstanceFor(Model $parent)
+    {
+        return $this->related->newInstance()->setAttribute(
+            $this->getForeignKeyName(), $parent->{$this->localKey}
+        );
+    }
+}

vendor/illuminate/database/Eloquent/Relations/HasOneOrMany.php

@@ -0,0 +1,437 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+
+abstract class HasOneOrMany extends Relation
+{
+    /**
+     * The foreign key of the parent model.
+     *
+     * @var string
+     */
+    protected $foreignKey;
+
+    /**
+     * The local key of the parent model.
+     *
+     * @var string
+     */
+    protected $localKey;
+
+    /**
+     * The count of self joins.
+     *
+     * @var int
+     */
+    protected static $selfJoinCount = 0;
+
+    /**
+     * Create a new has one or many relationship instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $foreignKey
+     * @param  string  $localKey
+     * @return void
+     */
+    public function __construct(Builder $query, Model $parent, $foreignKey, $localKey)
+    {
+        $this->localKey = $localKey;
+        $this->foreignKey = $foreignKey;
+
+        parent::__construct($query, $parent);
+    }
+
+    /**
+     * Create and return an un-saved instance of the related model.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function make(array $attributes = [])
+    {
+        return tap($this->related->newInstance($attributes), function ($instance) {
+            $this->setForeignAttributesForCreate($instance);
+        });
+    }
+
+    /**
+     * Create and return an un-saved instances of the related models.
+     *
+     * @param  iterable  $records
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function makeMany($records)
+    {
+        $instances = $this->related->newCollection();
+
+        foreach ($records as $record) {
+            $instances->push($this->make($record));
+        }
+
+        return $instances;
+    }
+
+    /**
+     * Set the base constraints on the relation query.
+     *
+     * @return void
+     */
+    public function addConstraints()
+    {
+        if (static::$constraints) {
+            $this->query->where($this->foreignKey, '=', $this->getParentKey());
+
+            $this->query->whereNotNull($this->foreignKey);
+        }
+    }
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    public function addEagerConstraints(array $models)
+    {
+        $whereIn = $this->whereInMethod($this->parent, $this->localKey);
+
+        $this->query->{$whereIn}(
+            $this->foreignKey, $this->getKeys($models, $this->localKey)
+        );
+    }
+
+    /**
+     * Match the eagerly loaded results to their single parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function matchOne(array $models, Collection $results, $relation)
+    {
+        return $this->matchOneOrMany($models, $results, $relation, 'one');
+    }
+
+    /**
+     * Match the eagerly loaded results to their many parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function matchMany(array $models, Collection $results, $relation)
+    {
+        return $this->matchOneOrMany($models, $results, $relation, 'many');
+    }
+
+    /**
+     * Match the eagerly loaded results to their many parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @param  string  $type
+     * @return array
+     */
+    protected function matchOneOrMany(array $models, Collection $results, $relation, $type)
+    {
+        $dictionary = $this->buildDictionary($results);
+
+        // Once we have the dictionary we can simply spin through the parent models to
+        // link them up with their children using the keyed dictionary to make the
+        // matching very convenient and easy work. Then we'll just return them.
+        foreach ($models as $model) {
+            if (isset($dictionary[$key = $model->getAttribute($this->localKey)])) {
+                $model->setRelation(
+                    $relation, $this->getRelationValue($dictionary, $key, $type)
+                );
+            }
+        }
+
+        return $models;
+    }
+
+    /**
+     * Get the value of a relationship by one or many type.
+     *
+     * @param  array  $dictionary
+     * @param  string  $key
+     * @param  string  $type
+     * @return mixed
+     */
+    protected function getRelationValue(array $dictionary, $key, $type)
+    {
+        $value = $dictionary[$key];
+
+        return $type === 'one' ? reset($value) : $this->related->newCollection($value);
+    }
+
+    /**
+     * Build model dictionary keyed by the relation's foreign key.
+     *
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @return array
+     */
+    protected function buildDictionary(Collection $results)
+    {
+        $foreign = $this->getForeignKeyName();
+
+        return $results->mapToDictionary(function ($result) use ($foreign) {
+            return [$result->{$foreign} => $result];
+        })->all();
+    }
+
+    /**
+     * Find a model by its primary key or return new instance of the related model.
+     *
+     * @param  mixed  $id
+     * @param  array  $columns
+     * @return \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model
+     */
+    public function findOrNew($id, $columns = ['*'])
+    {
+        if (is_null($instance = $this->find($id, $columns))) {
+            $instance = $this->related->newInstance();
+
+            $this->setForeignAttributesForCreate($instance);
+        }
+
+        return $instance;
+    }
+
+    /**
+     * Get the first related model record matching the attributes or instantiate it.
+     *
+     * @param  array  $attributes
+     * @param  array  $values
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function firstOrNew(array $attributes, array $values = [])
+    {
+        if (is_null($instance = $this->where($attributes)->first())) {
+            $instance = $this->related->newInstance($attributes + $values);
+
+            $this->setForeignAttributesForCreate($instance);
+        }
+
+        return $instance;
+    }
+
+    /**
+     * Get the first related record matching the attributes or create it.
+     *
+     * @param  array  $attributes
+     * @param  array  $values
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function firstOrCreate(array $attributes, array $values = [])
+    {
+        if (is_null($instance = $this->where($attributes)->first())) {
+            $instance = $this->create($attributes + $values);
+        }
+
+        return $instance;
+    }
+
+    /**
+     * Create or update a related record matching the attributes, and fill it with values.
+     *
+     * @param  array  $attributes
+     * @param  array  $values
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function updateOrCreate(array $attributes, array $values = [])
+    {
+        return tap($this->firstOrNew($attributes), function ($instance) use ($values) {
+            $instance->fill($values);
+
+            $instance->save();
+        });
+    }
+
+    /**
+     * Attach a model instance to the parent model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return \Illuminate\Database\Eloquent\Model|false
+     */
+    public function save(Model $model)
+    {
+        $this->setForeignAttributesForCreate($model);
+
+        return $model->save() ? $model : false;
+    }
+
+    /**
+     * Attach a collection of models to the parent instance.
+     *
+     * @param  iterable  $models
+     * @return iterable
+     */
+    public function saveMany($models)
+    {
+        foreach ($models as $model) {
+            $this->save($model);
+        }
+
+        return $models;
+    }
+
+    /**
+     * Create a new instance of the related model.
+     *
+     * @param  array  $attributes
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function create(array $attributes = [])
+    {
+        return tap($this->related->newInstance($attributes), function ($instance) {
+            $this->setForeignAttributesForCreate($instance);
+
+            $instance->save();
+        });
+    }
+
+    /**
+     * Create a Collection of new instances of the related model.
+     *
+     * @param  iterable  $records
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function createMany(iterable $records)
+    {
+        $instances = $this->related->newCollection();
+
+        foreach ($records as $record) {
+            $instances->push($this->create($record));
+        }
+
+        return $instances;
+    }
+
+    /**
+     * Set the foreign ID for creating a related model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return void
+     */
+    protected function setForeignAttributesForCreate(Model $model)
+    {
+        $model->setAttribute($this->getForeignKeyName(), $this->getParentKey());
+    }
+
+    /**
+     * Add the constraints for a relationship query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        if ($query->getQuery()->from == $parentQuery->getQuery()->from) {
+            return $this->getRelationExistenceQueryForSelfRelation($query, $parentQuery, $columns);
+        }
+
+        return parent::getRelationExistenceQuery($query, $parentQuery, $columns);
+    }
+
+    /**
+     * Add the constraints for a relationship query on the same table.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQueryForSelfRelation(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        $query->from($query->getModel()->getTable().' as '.$hash = $this->getRelationCountHash());
+
+        $query->getModel()->setTable($hash);
+
+        return $query->select($columns)->whereColumn(
+            $this->getQualifiedParentKeyName(), '=', $hash.'.'.$this->getForeignKeyName()
+        );
+    }
+
+    /**
+     * Get a relationship join table hash.
+     *
+     * @return string
+     */
+    public function getRelationCountHash()
+    {
+        return 'laravel_reserved_'.static::$selfJoinCount++;
+    }
+
+    /**
+     * Get the key for comparing against the parent key in "has" query.
+     *
+     * @return string
+     */
+    public function getExistenceCompareKey()
+    {
+        return $this->getQualifiedForeignKeyName();
+    }
+
+    /**
+     * Get the key value of the parent's local key.
+     *
+     * @return mixed
+     */
+    public function getParentKey()
+    {
+        return $this->parent->getAttribute($this->localKey);
+    }
+
+    /**
+     * Get the fully qualified parent key name.
+     *
+     * @return string
+     */
+    public function getQualifiedParentKeyName()
+    {
+        return $this->parent->qualifyColumn($this->localKey);
+    }
+
+    /**
+     * Get the plain foreign key.
+     *
+     * @return string
+     */
+    public function getForeignKeyName()
+    {
+        $segments = explode('.', $this->getQualifiedForeignKeyName());
+
+        return end($segments);
+    }
+
+    /**
+     * Get the foreign key for the relationship.
+     *
+     * @return string
+     */
+    public function getQualifiedForeignKeyName()
+    {
+        return $this->foreignKey;
+    }
+
+    /**
+     * Get the local key for the relationship.
+     *
+     * @return string
+     */
+    public function getLocalKeyName()
+    {
+        return $this->localKey;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/HasOneThrough.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels;
+
+class HasOneThrough extends HasManyThrough
+{
+    use SupportsDefaultModels;
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        return $this->first() ?: $this->getDefaultFor($this->farParent);
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->getDefaultFor($model));
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        $dictionary = $this->buildDictionary($results);
+
+        // Once we have the dictionary we can simply spin through the parent models to
+        // link them up with their children using the keyed dictionary to make the
+        // matching very convenient and easy work. Then we'll just return them.
+        foreach ($models as $model) {
+            if (isset($dictionary[$key = $model->getAttribute($this->localKey)])) {
+                $value = $dictionary[$key];
+                $model->setRelation(
+                    $relation, reset($value)
+                );
+            }
+        }
+
+        return $models;
+    }
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function newRelatedInstanceFor(Model $parent)
+    {
+        return $this->related->newInstance();
+    }
+}

vendor/illuminate/database/Eloquent/Relations/MorphMany.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Collection;
+
+class MorphMany extends MorphOneOrMany
+{
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        return ! is_null($this->getParentKey())
+                ? $this->query->get()
+                : $this->related->newCollection();
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->related->newCollection());
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        return $this->matchMany($models, $results, $relation);
+    }
+}

vendor/illuminate/database/Eloquent/Relations/MorphOne.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels;
+
+class MorphOne extends MorphOneOrMany
+{
+    use SupportsDefaultModels;
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        if (is_null($this->getParentKey())) {
+            return $this->getDefaultFor($this->parent);
+        }
+
+        return $this->query->first() ?: $this->getDefaultFor($this->parent);
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->getDefaultFor($model));
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        return $this->matchOne($models, $results, $relation);
+    }
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function newRelatedInstanceFor(Model $parent)
+    {
+        return $this->related->newInstance()
+                    ->setAttribute($this->getForeignKeyName(), $parent->{$this->localKey})
+                    ->setAttribute($this->getMorphType(), $this->morphClass);
+    }
+}

vendor/illuminate/database/Eloquent/Relations/MorphOneOrMany.php

@@ -0,0 +1,127 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+
+abstract class MorphOneOrMany extends HasOneOrMany
+{
+    /**
+     * The foreign key type for the relationship.
+     *
+     * @var string
+     */
+    protected $morphType;
+
+    /**
+     * The class name of the parent model.
+     *
+     * @var string
+     */
+    protected $morphClass;
+
+    /**
+     * Create a new morph one or many relationship instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $type
+     * @param  string  $id
+     * @param  string  $localKey
+     * @return void
+     */
+    public function __construct(Builder $query, Model $parent, $type, $id, $localKey)
+    {
+        $this->morphType = $type;
+
+        $this->morphClass = $parent->getMorphClass();
+
+        parent::__construct($query, $parent, $id, $localKey);
+    }
+
+    /**
+     * Set the base constraints on the relation query.
+     *
+     * @return void
+     */
+    public function addConstraints()
+    {
+        if (static::$constraints) {
+            parent::addConstraints();
+
+            $this->query->where($this->morphType, $this->morphClass);
+        }
+    }
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    public function addEagerConstraints(array $models)
+    {
+        parent::addEagerConstraints($models);
+
+        $this->query->where($this->morphType, $this->morphClass);
+    }
+
+    /**
+     * Set the foreign ID and type for creating a related model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return void
+     */
+    protected function setForeignAttributesForCreate(Model $model)
+    {
+        $model->{$this->getForeignKeyName()} = $this->getParentKey();
+
+        $model->{$this->getMorphType()} = $this->morphClass;
+    }
+
+    /**
+     * Get the relationship query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        return parent::getRelationExistenceQuery($query, $parentQuery, $columns)->where(
+            $query->qualifyColumn($this->getMorphType()), $this->morphClass
+        );
+    }
+
+    /**
+     * Get the foreign key "type" name.
+     *
+     * @return string
+     */
+    public function getQualifiedMorphType()
+    {
+        return $this->morphType;
+    }
+
+    /**
+     * Get the plain morph type name without the table.
+     *
+     * @return string
+     */
+    public function getMorphType()
+    {
+        return last(explode('.', $this->morphType));
+    }
+
+    /**
+     * Get the class name of the parent model.
+     *
+     * @return string
+     */
+    public function getMorphClass()
+    {
+        return $this->morphClass;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/MorphPivot.php

@@ -0,0 +1,162 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Str;
+
+class MorphPivot extends Pivot
+{
+    /**
+     * The type of the polymorphic relation.
+     *
+     * Explicitly define this so it's not included in saved attributes.
+     *
+     * @var string
+     */
+    protected $morphType;
+
+    /**
+     * The value of the polymorphic relation.
+     *
+     * Explicitly define this so it's not included in saved attributes.
+     *
+     * @var string
+     */
+    protected $morphClass;
+
+    /**
+     * Set the keys for a save update query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function setKeysForSaveQuery(Builder $query)
+    {
+        $query->where($this->morphType, $this->morphClass);
+
+        return parent::setKeysForSaveQuery($query);
+    }
+
+    /**
+     * Delete the pivot model record from the database.
+     *
+     * @return int
+     */
+    public function delete()
+    {
+        if (isset($this->attributes[$this->getKeyName()])) {
+            return (int) parent::delete();
+        }
+
+        if ($this->fireModelEvent('deleting') === false) {
+            return 0;
+        }
+
+        $query = $this->getDeleteQuery();
+
+        $query->where($this->morphType, $this->morphClass);
+
+        return tap($query->delete(), function () {
+            $this->fireModelEvent('deleted', false);
+        });
+    }
+
+    /**
+     * Set the morph type for the pivot.
+     *
+     * @param  string  $morphType
+     * @return $this
+     */
+    public function setMorphType($morphType)
+    {
+        $this->morphType = $morphType;
+
+        return $this;
+    }
+
+    /**
+     * Set the morph class for the pivot.
+     *
+     * @param  string  $morphClass
+     * @return \Illuminate\Database\Eloquent\Relations\MorphPivot
+     */
+    public function setMorphClass($morphClass)
+    {
+        $this->morphClass = $morphClass;
+
+        return $this;
+    }
+
+    /**
+     * Get the queueable identity for the entity.
+     *
+     * @return mixed
+     */
+    public function getQueueableId()
+    {
+        if (isset($this->attributes[$this->getKeyName()])) {
+            return $this->getKey();
+        }
+
+        return sprintf(
+            '%s:%s:%s:%s:%s:%s',
+            $this->foreignKey, $this->getAttribute($this->foreignKey),
+            $this->relatedKey, $this->getAttribute($this->relatedKey),
+            $this->morphType, $this->morphClass
+        );
+    }
+
+    /**
+     * Get a new query to restore one or more models by their queueable IDs.
+     *
+     * @param  array|int  $ids
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function newQueryForRestoration($ids)
+    {
+        if (is_array($ids)) {
+            return $this->newQueryForCollectionRestoration($ids);
+        }
+
+        if (! Str::contains($ids, ':')) {
+            return parent::newQueryForRestoration($ids);
+        }
+
+        $segments = explode(':', $ids);
+
+        return $this->newQueryWithoutScopes()
+                        ->where($segments[0], $segments[1])
+                        ->where($segments[2], $segments[3])
+                        ->where($segments[4], $segments[5]);
+    }
+
+    /**
+     * Get a new query to restore multiple models by their queueable IDs.
+     *
+     * @param  array  $ids
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function newQueryForCollectionRestoration(array $ids)
+    {
+        $ids = array_values($ids);
+
+        if (! Str::contains($ids[0], ':')) {
+            return parent::newQueryForRestoration($ids);
+        }
+
+        $query = $this->newQueryWithoutScopes();
+
+        foreach ($ids as $id) {
+            $segments = explode(':', $id);
+
+            $query->orWhere(function ($query) use ($segments) {
+                return $query->where($segments[0], $segments[1])
+                             ->where($segments[2], $segments[3])
+                             ->where($segments[4], $segments[5]);
+            });
+        }
+
+        return $query;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/MorphTo.php

@@ -0,0 +1,353 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use BadMethodCallException;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+
+class MorphTo extends BelongsTo
+{
+    /**
+     * The type of the polymorphic relation.
+     *
+     * @var string
+     */
+    protected $morphType;
+
+    /**
+     * The models whose relations are being eager loaded.
+     *
+     * @var \Illuminate\Database\Eloquent\Collection
+     */
+    protected $models;
+
+    /**
+     * All of the models keyed by ID.
+     *
+     * @var array
+     */
+    protected $dictionary = [];
+
+    /**
+     * A buffer of dynamic calls to query macros.
+     *
+     * @var array
+     */
+    protected $macroBuffer = [];
+
+    /**
+     * A map of relations to load for each individual morph type.
+     *
+     * @var array
+     */
+    protected $morphableEagerLoads = [];
+
+    /**
+     * A map of relationship counts to load for each individual morph type.
+     *
+     * @var array
+     */
+    protected $morphableEagerLoadCounts = [];
+
+    /**
+     * Create a new morph to relationship instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $foreignKey
+     * @param  string  $ownerKey
+     * @param  string  $type
+     * @param  string  $relation
+     * @return void
+     */
+    public function __construct(Builder $query, Model $parent, $foreignKey, $ownerKey, $type, $relation)
+    {
+        $this->morphType = $type;
+
+        parent::__construct($query, $parent, $foreignKey, $ownerKey, $relation);
+    }
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    public function addEagerConstraints(array $models)
+    {
+        $this->buildDictionary($this->models = Collection::make($models));
+    }
+
+    /**
+     * Build a dictionary with the models.
+     *
+     * @param  \Illuminate\Database\Eloquent\Collection  $models
+     * @return void
+     */
+    protected function buildDictionary(Collection $models)
+    {
+        foreach ($models as $model) {
+            if ($model->{$this->morphType}) {
+                $this->dictionary[$model->{$this->morphType}][$model->{$this->foreignKey}][] = $model;
+            }
+        }
+    }
+
+    /**
+     * Get the results of the relationship.
+     *
+     * Called via eager load method of Eloquent query builder.
+     *
+     * @return mixed
+     */
+    public function getEager()
+    {
+        foreach (array_keys($this->dictionary) as $type) {
+            $this->matchToMorphParents($type, $this->getResultsByType($type));
+        }
+
+        return $this->models;
+    }
+
+    /**
+     * Get all of the relation results for a type.
+     *
+     * @param  string  $type
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    protected function getResultsByType($type)
+    {
+        $instance = $this->createModelByType($type);
+
+        $ownerKey = $this->ownerKey ?? $instance->getKeyName();
+
+        $query = $this->replayMacros($instance->newQuery())
+                            ->mergeConstraintsFrom($this->getQuery())
+                            ->with(array_merge(
+                                $this->getQuery()->getEagerLoads(),
+                                (array) ($this->morphableEagerLoads[get_class($instance)] ?? [])
+                            ))
+                            ->withCount(
+                                (array) ($this->morphableEagerLoadCounts[get_class($instance)] ?? [])
+                            );
+
+        $whereIn = $this->whereInMethod($instance, $ownerKey);
+
+        return $query->{$whereIn}(
+            $instance->getTable().'.'.$ownerKey, $this->gatherKeysByType($type)
+        )->get();
+    }
+
+    /**
+     * Gather all of the foreign keys for a given type.
+     *
+     * @param  string  $type
+     * @return array
+     */
+    protected function gatherKeysByType($type)
+    {
+        return array_keys($this->dictionary[$type]);
+    }
+
+    /**
+     * Create a new model instance by type.
+     *
+     * @param  string  $type
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function createModelByType($type)
+    {
+        $class = Model::getActualClassNameForMorph($type);
+
+        return tap(new $class, function ($instance) {
+            if (! $instance->getConnectionName()) {
+                $instance->setConnection($this->getConnection()->getName());
+            }
+        });
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        return $models;
+    }
+
+    /**
+     * Match the results for a given type to their parents.
+     *
+     * @param  string  $type
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @return void
+     */
+    protected function matchToMorphParents($type, Collection $results)
+    {
+        foreach ($results as $result) {
+            $ownerKey = ! is_null($this->ownerKey) ? $result->{$this->ownerKey} : $result->getKey();
+
+            if (isset($this->dictionary[$type][$ownerKey])) {
+                foreach ($this->dictionary[$type][$ownerKey] as $model) {
+                    $model->setRelation($this->relationName, $result);
+                }
+            }
+        }
+    }
+
+    /**
+     * Associate the model instance to the given parent.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function associate($model)
+    {
+        $this->parent->setAttribute(
+            $this->foreignKey, $model instanceof Model ? $model->getKey() : null
+        );
+
+        $this->parent->setAttribute(
+            $this->morphType, $model instanceof Model ? $model->getMorphClass() : null
+        );
+
+        return $this->parent->setRelation($this->relationName, $model);
+    }
+
+    /**
+     * Dissociate previously associated model from the given parent.
+     *
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function dissociate()
+    {
+        $this->parent->setAttribute($this->foreignKey, null);
+
+        $this->parent->setAttribute($this->morphType, null);
+
+        return $this->parent->setRelation($this->relationName, null);
+    }
+
+    /**
+     * Touch all of the related models for the relationship.
+     *
+     * @return void
+     */
+    public function touch()
+    {
+        if (! is_null($this->child->{$this->foreignKey})) {
+            parent::touch();
+        }
+    }
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    protected function newRelatedInstanceFor(Model $parent)
+    {
+        return $parent->{$this->getRelationName()}()->getRelated()->newInstance();
+    }
+
+    /**
+     * Get the foreign key "type" name.
+     *
+     * @return string
+     */
+    public function getMorphType()
+    {
+        return $this->morphType;
+    }
+
+    /**
+     * Get the dictionary used by the relationship.
+     *
+     * @return array
+     */
+    public function getDictionary()
+    {
+        return $this->dictionary;
+    }
+
+    /**
+     * Specify which relations to load for a given morph type.
+     *
+     * @param  array  $with
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function morphWith(array $with)
+    {
+        $this->morphableEagerLoads = array_merge(
+            $this->morphableEagerLoads, $with
+        );
+
+        return $this;
+    }
+
+    /**
+     * Specify which relationship counts to load for a given morph type.
+     *
+     * @param  array  $withCount
+     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     */
+    public function morphWithCount(array $withCount)
+    {
+        $this->morphableEagerLoadCounts = array_merge(
+            $this->morphableEagerLoadCounts, $withCount
+        );
+
+        return $this;
+    }
+
+    /**
+     * Replay stored macro calls on the actual related instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    protected function replayMacros(Builder $query)
+    {
+        foreach ($this->macroBuffer as $macro) {
+            $query->{$macro['method']}(...$macro['parameters']);
+        }
+
+        return $query;
+    }
+
+    /**
+     * Handle dynamic method calls to the relationship.
+     *
+     * @param  string  $method
+     * @param  array  $parameters
+     * @return mixed
+     */
+    public function __call($method, $parameters)
+    {
+        try {
+            $result = parent::__call($method, $parameters);
+
+            if (in_array($method, ['select', 'selectRaw', 'selectSub', 'addSelect', 'withoutGlobalScopes'])) {
+                $this->macroBuffer[] = compact('method', 'parameters');
+            }
+
+            return $result;
+        }
+
+        // If we tried to call a method that does not exist on the parent Builder instance,
+        // we'll assume that we want to call a query macro (e.g. withTrashed) that only
+        // exists on related models. We will just store the call and replay it later.
+        catch (BadMethodCallException $e) {
+            $this->macroBuffer[] = compact('method', 'parameters');
+
+            return $this;
+        }
+    }
+}

vendor/illuminate/database/Eloquent/Relations/MorphToMany.php

@@ -0,0 +1,209 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Arr;
+
+class MorphToMany extends BelongsToMany
+{
+    /**
+     * The type of the polymorphic relation.
+     *
+     * @var string
+     */
+    protected $morphType;
+
+    /**
+     * The class name of the morph type constraint.
+     *
+     * @var string
+     */
+    protected $morphClass;
+
+    /**
+     * Indicates if we are connecting the inverse of the relation.
+     *
+     * This primarily affects the morphClass constraint.
+     *
+     * @var bool
+     */
+    protected $inverse;
+
+    /**
+     * Create a new morph to many relationship instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @param  string  $name
+     * @param  string  $table
+     * @param  string  $foreignPivotKey
+     * @param  string  $relatedPivotKey
+     * @param  string  $parentKey
+     * @param  string  $relatedKey
+     * @param  string|null  $relationName
+     * @param  bool  $inverse
+     * @return void
+     */
+    public function __construct(Builder $query, Model $parent, $name, $table, $foreignPivotKey,
+                                $relatedPivotKey, $parentKey, $relatedKey, $relationName = null, $inverse = false)
+    {
+        $this->inverse = $inverse;
+        $this->morphType = $name.'_type';
+        $this->morphClass = $inverse ? $query->getModel()->getMorphClass() : $parent->getMorphClass();
+
+        parent::__construct(
+            $query, $parent, $table, $foreignPivotKey,
+            $relatedPivotKey, $parentKey, $relatedKey, $relationName
+        );
+    }
+
+    /**
+     * Set the where clause for the relation query.
+     *
+     * @return $this
+     */
+    protected function addWhereConstraints()
+    {
+        parent::addWhereConstraints();
+
+        $this->query->where($this->table.'.'.$this->morphType, $this->morphClass);
+
+        return $this;
+    }
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    public function addEagerConstraints(array $models)
+    {
+        parent::addEagerConstraints($models);
+
+        $this->query->where($this->table.'.'.$this->morphType, $this->morphClass);
+    }
+
+    /**
+     * Create a new pivot attachment record.
+     *
+     * @param  int  $id
+     * @param  bool  $timed
+     * @return array
+     */
+    protected function baseAttachRecord($id, $timed)
+    {
+        return Arr::add(
+            parent::baseAttachRecord($id, $timed), $this->morphType, $this->morphClass
+        );
+    }
+
+    /**
+     * Add the constraints for a relationship count query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        return parent::getRelationExistenceQuery($query, $parentQuery, $columns)->where(
+            $this->table.'.'.$this->morphType, $this->morphClass
+        );
+    }
+
+    /**
+     * Get the pivot models that are currently attached.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    protected function getCurrentlyAttachedPivots()
+    {
+        return parent::getCurrentlyAttachedPivots()->map(function ($record) {
+            return $record instanceof MorphPivot
+                            ? $record->setMorphType($this->morphType)
+                                     ->setMorphClass($this->morphClass)
+                            : $record;
+        });
+    }
+
+    /**
+     * Create a new query builder for the pivot table.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public function newPivotQuery()
+    {
+        return parent::newPivotQuery()->where($this->morphType, $this->morphClass);
+    }
+
+    /**
+     * Create a new pivot model instance.
+     *
+     * @param  array  $attributes
+     * @param  bool  $exists
+     * @return \Illuminate\Database\Eloquent\Relations\Pivot
+     */
+    public function newPivot(array $attributes = [], $exists = false)
+    {
+        $using = $this->using;
+
+        $pivot = $using ? $using::fromRawAttributes($this->parent, $attributes, $this->table, $exists)
+                        : MorphPivot::fromAttributes($this->parent, $attributes, $this->table, $exists);
+
+        $pivot->setPivotKeys($this->foreignPivotKey, $this->relatedPivotKey)
+              ->setMorphType($this->morphType)
+              ->setMorphClass($this->morphClass);
+
+        return $pivot;
+    }
+
+    /**
+     * Get the pivot columns for the relation.
+     *
+     * "pivot_" is prefixed at each column for easy removal later.
+     *
+     * @return array
+     */
+    protected function aliasedPivotColumns()
+    {
+        $defaults = [$this->foreignPivotKey, $this->relatedPivotKey, $this->morphType];
+
+        return collect(array_merge($defaults, $this->pivotColumns))->map(function ($column) {
+            return $this->table.'.'.$column.' as pivot_'.$column;
+        })->unique()->all();
+    }
+
+    /**
+     * Get the foreign key "type" name.
+     *
+     * @return string
+     */
+    public function getMorphType()
+    {
+        return $this->morphType;
+    }
+
+    /**
+     * Get the class name of the parent model.
+     *
+     * @return string
+     */
+    public function getMorphClass()
+    {
+        return $this->morphClass;
+    }
+
+    /**
+     * Get the indicator for a reverse relationship.
+     *
+     * @return bool
+     */
+    public function getInverse()
+    {
+        return $this->inverse;
+    }
+}

vendor/illuminate/database/Eloquent/Relations/Pivot.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Concerns\AsPivot;
+
+class Pivot extends Model
+{
+    use AsPivot;
+
+    /**
+     * Indicates if the IDs are auto-incrementing.
+     *
+     * @var bool
+     */
+    public $incrementing = false;
+
+    /**
+     * The attributes that aren't mass assignable.
+     *
+     * @var array
+     */
+    protected $guarded = [];
+}

vendor/illuminate/database/Eloquent/Relations/Relation.php

@@ -0,0 +1,403 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Closure;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Query\Expression;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Traits\ForwardsCalls;
+use Illuminate\Support\Traits\Macroable;
+
+/**
+ * @mixin \Illuminate\Database\Eloquent\Builder
+ */
+abstract class Relation
+{
+    use ForwardsCalls, Macroable {
+        __call as macroCall;
+    }
+
+    /**
+     * The Eloquent query builder instance.
+     *
+     * @var \Illuminate\Database\Eloquent\Builder
+     */
+    protected $query;
+
+    /**
+     * The parent model instance.
+     *
+     * @var \Illuminate\Database\Eloquent\Model
+     */
+    protected $parent;
+
+    /**
+     * The related model instance.
+     *
+     * @var \Illuminate\Database\Eloquent\Model
+     */
+    protected $related;
+
+    /**
+     * Indicates if the relation is adding constraints.
+     *
+     * @var bool
+     */
+    protected static $constraints = true;
+
+    /**
+     * An array to map class names to their morph names in database.
+     *
+     * @var array
+     */
+    public static $morphMap = [];
+
+    /**
+     * Create a new relation instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return void
+     */
+    public function __construct(Builder $query, Model $parent)
+    {
+        $this->query = $query;
+        $this->parent = $parent;
+        $this->related = $query->getModel();
+
+        $this->addConstraints();
+    }
+
+    /**
+     * Run a callback with constraints disabled on the relation.
+     *
+     * @param  \Closure  $callback
+     * @return mixed
+     */
+    public static function noConstraints(Closure $callback)
+    {
+        $previous = static::$constraints;
+
+        static::$constraints = false;
+
+        // When resetting the relation where clause, we want to shift the first element
+        // off of the bindings, leaving only the constraints that the developers put
+        // as "extra" on the relationships, and not original relation constraints.
+        try {
+            return $callback();
+        } finally {
+            static::$constraints = $previous;
+        }
+    }
+
+    /**
+     * Set the base constraints on the relation query.
+     *
+     * @return void
+     */
+    abstract public function addConstraints();
+
+    /**
+     * Set the constraints for an eager load of the relation.
+     *
+     * @param  array  $models
+     * @return void
+     */
+    abstract public function addEagerConstraints(array $models);
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    abstract public function initRelation(array $models, $relation);
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    abstract public function match(array $models, Collection $results, $relation);
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    abstract public function getResults();
+
+    /**
+     * Get the relationship for eager loading.
+     *
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function getEager()
+    {
+        return $this->get();
+    }
+
+    /**
+     * Execute the query as a "select" statement.
+     *
+     * @param  array  $columns
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function get($columns = ['*'])
+    {
+        return $this->query->get($columns);
+    }
+
+    /**
+     * Touch all of the related models for the relationship.
+     *
+     * @return void
+     */
+    public function touch()
+    {
+        $model = $this->getRelated();
+
+        if (! $model::isIgnoringTouch()) {
+            $this->rawUpdate([
+                $model->getUpdatedAtColumn() => $model->freshTimestampString(),
+            ]);
+        }
+    }
+
+    /**
+     * Run a raw update against the base query.
+     *
+     * @param  array  $attributes
+     * @return int
+     */
+    public function rawUpdate(array $attributes = [])
+    {
+        return $this->query->withoutGlobalScopes()->update($attributes);
+    }
+
+    /**
+     * Add the constraints for a relationship count query.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceCountQuery(Builder $query, Builder $parentQuery)
+    {
+        return $this->getRelationExistenceQuery(
+            $query, $parentQuery, new Expression('count(*)')
+        )->setBindings([], 'select');
+    }
+
+    /**
+     * Add the constraints for an internal relationship existence query.
+     *
+     * Essentially, these queries compare on column names like whereColumn.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  \Illuminate\Database\Eloquent\Builder  $parentQuery
+     * @param  array|mixed  $columns
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
+    {
+        return $query->select($columns)->whereColumn(
+            $this->getQualifiedParentKeyName(), '=', $this->getExistenceCompareKey()
+        );
+    }
+
+    /**
+     * Get all of the primary keys for an array of models.
+     *
+     * @param  array  $models
+     * @param  string|null  $key
+     * @return array
+     */
+    protected function getKeys(array $models, $key = null)
+    {
+        return collect($models)->map(function ($value) use ($key) {
+            return $key ? $value->getAttribute($key) : $value->getKey();
+        })->values()->unique(null, true)->sort()->all();
+    }
+
+    /**
+     * Get the underlying query for the relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function getQuery()
+    {
+        return $this->query;
+    }
+
+    /**
+     * Get the base query builder driving the Eloquent builder.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    public function getBaseQuery()
+    {
+        return $this->query->getQuery();
+    }
+
+    /**
+     * Get the parent model of the relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function getParent()
+    {
+        return $this->parent;
+    }
+
+    /**
+     * Get the fully qualified parent key name.
+     *
+     * @return string
+     */
+    public function getQualifiedParentKeyName()
+    {
+        return $this->parent->getQualifiedKeyName();
+    }
+
+    /**
+     * Get the related model of the relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function getRelated()
+    {
+        return $this->related;
+    }
+
+    /**
+     * Get the name of the "created at" column.
+     *
+     * @return string
+     */
+    public function createdAt()
+    {
+        return $this->parent->getCreatedAtColumn();
+    }
+
+    /**
+     * Get the name of the "updated at" column.
+     *
+     * @return string
+     */
+    public function updatedAt()
+    {
+        return $this->parent->getUpdatedAtColumn();
+    }
+
+    /**
+     * Get the name of the related model's "updated at" column.
+     *
+     * @return string
+     */
+    public function relatedUpdatedAt()
+    {
+        return $this->related->getUpdatedAtColumn();
+    }
+
+    /**
+     * Get the name of the "where in" method for eager loading.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @return string
+     */
+    protected function whereInMethod(Model $model, $key)
+    {
+        return $model->getKeyName() === last(explode('.', $key))
+                    && in_array($model->getKeyType(), ['int', 'integer'])
+                        ? 'whereIntegerInRaw'
+                        : 'whereIn';
+    }
+
+    /**
+     * Set or get the morph map for polymorphic relations.
+     *
+     * @param  array|null  $map
+     * @param  bool  $merge
+     * @return array
+     */
+    public static function morphMap(array $map = null, $merge = true)
+    {
+        $map = static::buildMorphMapFromModels($map);
+
+        if (is_array($map)) {
+            static::$morphMap = $merge && static::$morphMap
+                            ? $map + static::$morphMap : $map;
+        }
+
+        return static::$morphMap;
+    }
+
+    /**
+     * Builds a table-keyed array from model class names.
+     *
+     * @param  string[]|null  $models
+     * @return array|null
+     */
+    protected static function buildMorphMapFromModels(array $models = null)
+    {
+        if (is_null($models) || Arr::isAssoc($models)) {
+            return $models;
+        }
+
+        return array_combine(array_map(function ($model) {
+            return (new $model)->getTable();
+        }, $models), $models);
+    }
+
+    /**
+     * Get the model associated with a custom polymorphic type.
+     *
+     * @param  string  $alias
+     * @return string|null
+     */
+    public static function getMorphedModel($alias)
+    {
+        return static::$morphMap[$alias] ?? null;
+    }
+
+    /**
+     * Handle dynamic method calls to the relationship.
+     *
+     * @param  string  $method
+     * @param  array  $parameters
+     * @return mixed
+     */
+    public function __call($method, $parameters)
+    {
+        if (static::hasMacro($method)) {
+            return $this->macroCall($method, $parameters);
+        }
+
+        $result = $this->forwardCallTo($this->query, $method, $parameters);
+
+        if ($result === $this->query) {
+            return $this;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Force a clone of the underlying query builder when cloning.
+     *
+     * @return void
+     */
+    public function __clone()
+    {
+        $this->query = clone $this->query;
+    }
+}

vendor/illuminate/database/Eloquent/Scope.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+interface Scope
+{
+    /**
+     * Apply the scope to a given Eloquent query builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return void
+     */
+    public function apply(Builder $builder, Model $model);
+}

vendor/illuminate/database/Eloquent/SoftDeletes.php

@@ -0,0 +1,199 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+/**
+ * @method static static|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder withTrashed()
+ * @method static static|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder onlyTrashed()
+ * @method static static|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder withoutTrashed()
+ */
+trait SoftDeletes
+{
+    /**
+     * Indicates if the model is currently force deleting.
+     *
+     * @var bool
+     */
+    protected $forceDeleting = false;
+
+    /**
+     * Boot the soft deleting trait for a model.
+     *
+     * @return void
+     */
+    public static function bootSoftDeletes()
+    {
+        static::addGlobalScope(new SoftDeletingScope);
+    }
+
+    /**
+     * Initialize the soft deleting trait for an instance.
+     *
+     * @return void
+     */
+    public function initializeSoftDeletes()
+    {
+        $this->dates[] = $this->getDeletedAtColumn();
+    }
+
+    /**
+     * Force a hard delete on a soft deleted model.
+     *
+     * @return bool|null
+     */
+    public function forceDelete()
+    {
+        $this->forceDeleting = true;
+
+        return tap($this->delete(), function ($deleted) {
+            $this->forceDeleting = false;
+
+            if ($deleted) {
+                $this->fireModelEvent('forceDeleted', false);
+            }
+        });
+    }
+
+    /**
+     * Perform the actual delete query on this model instance.
+     *
+     * @return mixed
+     */
+    protected function performDeleteOnModel()
+    {
+        if ($this->forceDeleting) {
+            $this->exists = false;
+
+            return $this->setKeysForSaveQuery($this->newModelQuery())->forceDelete();
+        }
+
+        return $this->runSoftDelete();
+    }
+
+    /**
+     * Perform the actual delete query on this model instance.
+     *
+     * @return void
+     */
+    protected function runSoftDelete()
+    {
+        $query = $this->setKeysForSaveQuery($this->newModelQuery());
+
+        $time = $this->freshTimestamp();
+
+        $columns = [$this->getDeletedAtColumn() => $this->fromDateTime($time)];
+
+        $this->{$this->getDeletedAtColumn()} = $time;
+
+        if ($this->timestamps && ! is_null($this->getUpdatedAtColumn())) {
+            $this->{$this->getUpdatedAtColumn()} = $time;
+
+            $columns[$this->getUpdatedAtColumn()] = $this->fromDateTime($time);
+        }
+
+        $query->update($columns);
+
+        $this->syncOriginalAttributes(array_keys($columns));
+    }
+
+    /**
+     * Restore a soft-deleted model instance.
+     *
+     * @return bool|null
+     */
+    public function restore()
+    {
+        // If the restoring event does not return false, we will proceed with this
+        // restore operation. Otherwise, we bail out so the developer will stop
+        // the restore totally. We will clear the deleted timestamp and save.
+        if ($this->fireModelEvent('restoring') === false) {
+            return false;
+        }
+
+        $this->{$this->getDeletedAtColumn()} = null;
+
+        // Once we have saved the model, we will fire the "restored" event so this
+        // developer will do anything they need to after a restore operation is
+        // totally finished. Then we will return the result of the save call.
+        $this->exists = true;
+
+        $result = $this->save();
+
+        $this->fireModelEvent('restored', false);
+
+        return $result;
+    }
+
+    /**
+     * Determine if the model instance has been soft-deleted.
+     *
+     * @return bool
+     */
+    public function trashed()
+    {
+        return ! is_null($this->{$this->getDeletedAtColumn()});
+    }
+
+    /**
+     * Register a "restoring" model event callback with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function restoring($callback)
+    {
+        static::registerModelEvent('restoring', $callback);
+    }
+
+    /**
+     * Register a "restored" model event callback with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function restored($callback)
+    {
+        static::registerModelEvent('restored', $callback);
+    }
+
+    /**
+     * Register a "forceDeleted" model event callback with the dispatcher.
+     *
+     * @param  \Closure|string  $callback
+     * @return void
+     */
+    public static function forceDeleted($callback)
+    {
+        static::registerModelEvent('forceDeleted', $callback);
+    }
+
+    /**
+     * Determine if the model is currently force deleting.
+     *
+     * @return bool
+     */
+    public function isForceDeleting()
+    {
+        return $this->forceDeleting;
+    }
+
+    /**
+     * Get the name of the "deleted at" column.
+     *
+     * @return string
+     */
+    public function getDeletedAtColumn()
+    {
+        return defined('static::DELETED_AT') ? static::DELETED_AT : 'deleted_at';
+    }
+
+    /**
+     * Get the fully qualified "deleted at" column.
+     *
+     * @return string
+     */
+    public function getQualifiedDeletedAtColumn()
+    {
+        return $this->qualifyColumn($this->getDeletedAtColumn());
+    }
+}

vendor/illuminate/database/Eloquent/SoftDeletingScope.php

@@ -0,0 +1,131 @@
+<?php
+
+namespace Illuminate\Database\Eloquent;
+
+class SoftDeletingScope implements Scope
+{
+    /**
+     * All of the extensions to be added to the builder.
+     *
+     * @var array
+     */
+    protected $extensions = ['Restore', 'WithTrashed', 'WithoutTrashed', 'OnlyTrashed'];
+
+    /**
+     * Apply the scope to a given Eloquent query builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return void
+     */
+    public function apply(Builder $builder, Model $model)
+    {
+        $builder->whereNull($model->getQualifiedDeletedAtColumn());
+    }
+
+    /**
+     * Extend the query builder with the needed functions.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @return void
+     */
+    public function extend(Builder $builder)
+    {
+        foreach ($this->extensions as $extension) {
+            $this->{"add{$extension}"}($builder);
+        }
+
+        $builder->onDelete(function (Builder $builder) {
+            $column = $this->getDeletedAtColumn($builder);
+
+            return $builder->update([
+                $column => $builder->getModel()->freshTimestampString(),
+            ]);
+        });
+    }
+
+    /**
+     * Get the "deleted at" column for the builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @return string
+     */
+    protected function getDeletedAtColumn(Builder $builder)
+    {
+        if (count((array) $builder->getQuery()->joins) > 0) {
+            return $builder->getModel()->getQualifiedDeletedAtColumn();
+        }
+
+        return $builder->getModel()->getDeletedAtColumn();
+    }
+
+    /**
+     * Add the restore extension to the builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @return void
+     */
+    protected function addRestore(Builder $builder)
+    {
+        $builder->macro('restore', function (Builder $builder) {
+            $builder->withTrashed();
+
+            return $builder->update([$builder->getModel()->getDeletedAtColumn() => null]);
+        });
+    }
+
+    /**
+     * Add the with-trashed extension to the builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @return void
+     */
+    protected function addWithTrashed(Builder $builder)
+    {
+        $builder->macro('withTrashed', function (Builder $builder, $withTrashed = true) {
+            if (! $withTrashed) {
+                return $builder->withoutTrashed();
+            }
+
+            return $builder->withoutGlobalScope($this);
+        });
+    }
+
+    /**
+     * Add the without-trashed extension to the builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @return void
+     */
+    protected function addWithoutTrashed(Builder $builder)
+    {
+        $builder->macro('withoutTrashed', function (Builder $builder) {
+            $model = $builder->getModel();
+
+            $builder->withoutGlobalScope($this)->whereNull(
+                $model->getQualifiedDeletedAtColumn()
+            );
+
+            return $builder;
+        });
+    }
+
+    /**
+     * Add the only-trashed extension to the builder.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder  $builder
+     * @return void
+     */
+    protected function addOnlyTrashed(Builder $builder)
+    {
+        $builder->macro('onlyTrashed', function (Builder $builder) {
+            $model = $builder->getModel();
+
+            $builder->withoutGlobalScope($this)->whereNotNull(
+                $model->getQualifiedDeletedAtColumn()
+            );
+
+            return $builder;
+        });
+    }
+}

vendor/illuminate/database/Events/ConnectionEvent.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+abstract class ConnectionEvent
+{
+    /**
+     * The name of the connection.
+     *
+     * @var string
+     */
+    public $connectionName;
+
+    /**
+     * The database connection instance.
+     *
+     * @var \Illuminate\Database\Connection
+     */
+    public $connection;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return void
+     */
+    public function __construct($connection)
+    {
+        $this->connection = $connection;
+        $this->connectionName = $connection->getName();
+    }
+}

vendor/illuminate/database/Events/MigrationEnded.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class MigrationEnded extends MigrationEvent
+{
+    //
+}

vendor/illuminate/database/Events/MigrationEvent.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+use Illuminate\Contracts\Database\Events\MigrationEvent as MigrationEventContract;
+use Illuminate\Database\Migrations\Migration;
+
+abstract class MigrationEvent implements MigrationEventContract
+{
+    /**
+     * An migration instance.
+     *
+     * @var \Illuminate\Database\Migrations\Migration
+     */
+    public $migration;
+
+    /**
+     * The migration method that was called.
+     *
+     * @var string
+     */
+    public $method;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param  \Illuminate\Database\Migrations\Migration  $migration
+     * @param  string  $method
+     * @return void
+     */
+    public function __construct(Migration $migration, $method)
+    {
+        $this->method = $method;
+        $this->migration = $migration;
+    }
+}

vendor/illuminate/database/Events/MigrationStarted.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class MigrationStarted extends MigrationEvent
+{
+    //
+}

vendor/illuminate/database/Events/MigrationsEnded.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+use Illuminate\Contracts\Database\Events\MigrationEvent as MigrationEventContract;
+
+class MigrationsEnded implements MigrationEventContract
+{
+    //
+}

vendor/illuminate/database/Events/MigrationsStarted.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+use Illuminate\Contracts\Database\Events\MigrationEvent as MigrationEventContract;
+
+class MigrationsStarted implements MigrationEventContract
+{
+    //
+}

vendor/illuminate/database/Events/NoPendingMigrations.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class NoPendingMigrations
+{
+    /**
+     * The migration method that was called.
+     *
+     * @var string
+     */
+    public $method;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param  string  $method
+     * @return void
+     */
+    public function __construct($method)
+    {
+        $this->method = $method;
+    }
+}

vendor/illuminate/database/Events/QueryExecuted.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class QueryExecuted
+{
+    /**
+     * The SQL query that was executed.
+     *
+     * @var string
+     */
+    public $sql;
+
+    /**
+     * The array of query bindings.
+     *
+     * @var array
+     */
+    public $bindings;
+
+    /**
+     * The number of milliseconds it took to execute the query.
+     *
+     * @var float
+     */
+    public $time;
+
+    /**
+     * The database connection instance.
+     *
+     * @var \Illuminate\Database\Connection
+     */
+    public $connection;
+
+    /**
+     * The database connection name.
+     *
+     * @var string
+     */
+    public $connectionName;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param  string  $sql
+     * @param  array  $bindings
+     * @param  float|null  $time
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return void
+     */
+    public function __construct($sql, $bindings, $time, $connection)
+    {
+        $this->sql = $sql;
+        $this->time = $time;
+        $this->bindings = $bindings;
+        $this->connection = $connection;
+        $this->connectionName = $connection->getName();
+    }
+}

vendor/illuminate/database/Events/StatementPrepared.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class StatementPrepared
+{
+    /**
+     * The database connection instance.
+     *
+     * @var \Illuminate\Database\Connection
+     */
+    public $connection;
+
+    /**
+     * The PDO statement.
+     *
+     * @var \PDOStatement
+     */
+    public $statement;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param  \Illuminate\Database\Connection  $connection
+     * @param  \PDOStatement  $statement
+     * @return void
+     */
+    public function __construct($connection, $statement)
+    {
+        $this->statement = $statement;
+        $this->connection = $connection;
+    }
+}

vendor/illuminate/database/Events/TransactionBeginning.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class TransactionBeginning extends ConnectionEvent
+{
+    //
+}

vendor/illuminate/database/Events/TransactionCommitted.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class TransactionCommitted extends ConnectionEvent
+{
+    //
+}

vendor/illuminate/database/Events/TransactionRolledBack.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Database\Events;
+
+class TransactionRolledBack extends ConnectionEvent
+{
+    //
+}

vendor/illuminate/database/Grammar.php

@@ -0,0 +1,221 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Database\Query\Expression;
+use Illuminate\Support\Traits\Macroable;
+
+abstract class Grammar
+{
+    use Macroable;
+
+    /**
+     * The grammar table prefix.
+     *
+     * @var string
+     */
+    protected $tablePrefix = '';
+
+    /**
+     * Wrap an array of values.
+     *
+     * @param  array  $values
+     * @return array
+     */
+    public function wrapArray(array $values)
+    {
+        return array_map([$this, 'wrap'], $values);
+    }
+
+    /**
+     * Wrap a table in keyword identifiers.
+     *
+     * @param  \Illuminate\Database\Query\Expression|string  $table
+     * @return string
+     */
+    public function wrapTable($table)
+    {
+        if (! $this->isExpression($table)) {
+            return $this->wrap($this->tablePrefix.$table, true);
+        }
+
+        return $this->getValue($table);
+    }
+
+    /**
+     * Wrap a value in keyword identifiers.
+     *
+     * @param  \Illuminate\Database\Query\Expression|string  $value
+     * @param  bool  $prefixAlias
+     * @return string
+     */
+    public function wrap($value, $prefixAlias = false)
+    {
+        if ($this->isExpression($value)) {
+            return $this->getValue($value);
+        }
+
+        // If the value being wrapped has a column alias we will need to separate out
+        // the pieces so we can wrap each of the segments of the expression on its
+        // own, and then join these both back together using the "as" connector.
+        if (stripos($value, ' as ') !== false) {
+            return $this->wrapAliasedValue($value, $prefixAlias);
+        }
+
+        return $this->wrapSegments(explode('.', $value));
+    }
+
+    /**
+     * Wrap a value that has an alias.
+     *
+     * @param  string  $value
+     * @param  bool  $prefixAlias
+     * @return string
+     */
+    protected function wrapAliasedValue($value, $prefixAlias = false)
+    {
+        $segments = preg_split('/\s+as\s+/i', $value);
+
+        // If we are wrapping a table we need to prefix the alias with the table prefix
+        // as well in order to generate proper syntax. If this is a column of course
+        // no prefix is necessary. The condition will be true when from wrapTable.
+        if ($prefixAlias) {
+            $segments[1] = $this->tablePrefix.$segments[1];
+        }
+
+        return $this->wrap($segments[0]).' as '.$this->wrapValue($segments[1]);
+    }
+
+    /**
+     * Wrap the given value segments.
+     *
+     * @param  array  $segments
+     * @return string
+     */
+    protected function wrapSegments($segments)
+    {
+        return collect($segments)->map(function ($segment, $key) use ($segments) {
+            return $key == 0 && count($segments) > 1
+                            ? $this->wrapTable($segment)
+                            : $this->wrapValue($segment);
+        })->implode('.');
+    }
+
+    /**
+     * Wrap a single string in keyword identifiers.
+     *
+     * @param  string  $value
+     * @return string
+     */
+    protected function wrapValue($value)
+    {
+        if ($value !== '*') {
+            return '"'.str_replace('"', '""', $value).'"';
+        }
+
+        return $value;
+    }
+
+    /**
+     * Convert an array of column names into a delimited string.
+     *
+     * @param  array  $columns
+     * @return string
+     */
+    public function columnize(array $columns)
+    {
+        return implode(', ', array_map([$this, 'wrap'], $columns));
+    }
+
+    /**
+     * Create query parameter place-holders for an array.
+     *
+     * @param  array  $values
+     * @return string
+     */
+    public function parameterize(array $values)
+    {
+        return implode(', ', array_map([$this, 'parameter'], $values));
+    }
+
+    /**
+     * Get the appropriate query parameter place-holder for a value.
+     *
+     * @param  mixed  $value
+     * @return string
+     */
+    public function parameter($value)
+    {
+        return $this->isExpression($value) ? $this->getValue($value) : '?';
+    }
+
+    /**
+     * Quote the given string literal.
+     *
+     * @param  string|array  $value
+     * @return string
+     */
+    public function quoteString($value)
+    {
+        if (is_array($value)) {
+            return implode(', ', array_map([$this, __FUNCTION__], $value));
+        }
+
+        return "'$value'";
+    }
+
+    /**
+     * Determine if the given value is a raw expression.
+     *
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function isExpression($value)
+    {
+        return $value instanceof Expression;
+    }
+
+    /**
+     * Get the value of a raw expression.
+     *
+     * @param  \Illuminate\Database\Query\Expression  $expression
+     * @return string
+     */
+    public function getValue($expression)
+    {
+        return $expression->getValue();
+    }
+
+    /**
+     * Get the format for database stored dates.
+     *
+     * @return string
+     */
+    public function getDateFormat()
+    {
+        return 'Y-m-d H:i:s';
+    }
+
+    /**
+     * Get the grammar's table prefix.
+     *
+     * @return string
+     */
+    public function getTablePrefix()
+    {
+        return $this->tablePrefix;
+    }
+
+    /**
+     * Set the grammar's table prefix.
+     *
+     * @param  string  $prefix
+     * @return $this
+     */
+    public function setTablePrefix($prefix)
+    {
+        $this->tablePrefix = $prefix;
+
+        return $this;
+    }
+}

vendor/illuminate/database/LICENSE.md

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Taylor Otwell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/illuminate/database/MigrationServiceProvider.php

@@ -0,0 +1,225 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Illuminate\Contracts\Support\DeferrableProvider;
+use Illuminate\Database\Console\Migrations\FreshCommand;
+use Illuminate\Database\Console\Migrations\InstallCommand;
+use Illuminate\Database\Console\Migrations\MigrateCommand;
+use Illuminate\Database\Console\Migrations\MigrateMakeCommand;
+use Illuminate\Database\Console\Migrations\RefreshCommand;
+use Illuminate\Database\Console\Migrations\ResetCommand;
+use Illuminate\Database\Console\Migrations\RollbackCommand;
+use Illuminate\Database\Console\Migrations\StatusCommand;
+use Illuminate\Database\Migrations\DatabaseMigrationRepository;
+use Illuminate\Database\Migrations\MigrationCreator;
+use Illuminate\Database\Migrations\Migrator;
+use Illuminate\Support\ServiceProvider;
+
+class MigrationServiceProvider extends ServiceProvider implements DeferrableProvider
+{
+    /**
+     * The commands to be registered.
+     *
+     * @var array
+     */
+    protected $commands = [
+        'Migrate' => 'command.migrate',
+        'MigrateFresh' => 'command.migrate.fresh',
+        'MigrateInstall' => 'command.migrate.install',
+        'MigrateRefresh' => 'command.migrate.refresh',
+        'MigrateReset' => 'command.migrate.reset',
+        'MigrateRollback' => 'command.migrate.rollback',
+        'MigrateStatus' => 'command.migrate.status',
+        'MigrateMake' => 'command.migrate.make',
+    ];
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->registerRepository();
+
+        $this->registerMigrator();
+
+        $this->registerCreator();
+
+        $this->registerCommands($this->commands);
+    }
+
+    /**
+     * Register the migration repository service.
+     *
+     * @return void
+     */
+    protected function registerRepository()
+    {
+        $this->app->singleton('migration.repository', function ($app) {
+            $table = $app['config']['database.migrations'];
+
+            return new DatabaseMigrationRepository($app['db'], $table);
+        });
+    }
+
+    /**
+     * Register the migrator service.
+     *
+     * @return void
+     */
+    protected function registerMigrator()
+    {
+        // The migrator is responsible for actually running and rollback the migration
+        // files in the application. We'll pass in our database connection resolver
+        // so the migrator can resolve any of these connections when it needs to.
+        $this->app->singleton('migrator', function ($app) {
+            $repository = $app['migration.repository'];
+
+            return new Migrator($repository, $app['db'], $app['files'], $app['events']);
+        });
+    }
+
+    /**
+     * Register the migration creator.
+     *
+     * @return void
+     */
+    protected function registerCreator()
+    {
+        $this->app->singleton('migration.creator', function ($app) {
+            return new MigrationCreator($app['files'], $app->basePath('stubs'));
+        });
+    }
+
+    /**
+     * Register the given commands.
+     *
+     * @param  array  $commands
+     * @return void
+     */
+    protected function registerCommands(array $commands)
+    {
+        foreach (array_keys($commands) as $command) {
+            $this->{"register{$command}Command"}();
+        }
+
+        $this->commands(array_values($commands));
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateCommand()
+    {
+        $this->app->singleton('command.migrate', function ($app) {
+            return new MigrateCommand($app['migrator']);
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateFreshCommand()
+    {
+        $this->app->singleton('command.migrate.fresh', function () {
+            return new FreshCommand;
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateInstallCommand()
+    {
+        $this->app->singleton('command.migrate.install', function ($app) {
+            return new InstallCommand($app['migration.repository']);
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateMakeCommand()
+    {
+        $this->app->singleton('command.migrate.make', function ($app) {
+            // Once we have the migration creator registered, we will create the command
+            // and inject the creator. The creator is responsible for the actual file
+            // creation of the migrations, and may be extended by these developers.
+            $creator = $app['migration.creator'];
+
+            $composer = $app['composer'];
+
+            return new MigrateMakeCommand($creator, $composer);
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateRefreshCommand()
+    {
+        $this->app->singleton('command.migrate.refresh', function () {
+            return new RefreshCommand;
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateResetCommand()
+    {
+        $this->app->singleton('command.migrate.reset', function ($app) {
+            return new ResetCommand($app['migrator']);
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateRollbackCommand()
+    {
+        $this->app->singleton('command.migrate.rollback', function ($app) {
+            return new RollbackCommand($app['migrator']);
+        });
+    }
+
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerMigrateStatusCommand()
+    {
+        $this->app->singleton('command.migrate.status', function ($app) {
+            return new StatusCommand($app['migrator']);
+        });
+    }
+
+    /**
+     * Get the services provided by the provider.
+     *
+     * @return array
+     */
+    public function provides()
+    {
+        return array_merge([
+            'migrator', 'migration.repository', 'migration.creator',
+        ], array_values($this->commands));
+    }
+}

vendor/illuminate/database/Migrations/DatabaseMigrationRepository.php

@@ -0,0 +1,212 @@
+<?php
+
+namespace Illuminate\Database\Migrations;
+
+use Illuminate\Database\ConnectionResolverInterface as Resolver;
+
+class DatabaseMigrationRepository implements MigrationRepositoryInterface
+{
+    /**
+     * The database connection resolver instance.
+     *
+     * @var \Illuminate\Database\ConnectionResolverInterface
+     */
+    protected $resolver;
+
+    /**
+     * The name of the migration table.
+     *
+     * @var string
+     */
+    protected $table;
+
+    /**
+     * The name of the database connection to use.
+     *
+     * @var string
+     */
+    protected $connection;
+
+    /**
+     * Create a new database migration repository instance.
+     *
+     * @param  \Illuminate\Database\ConnectionResolverInterface  $resolver
+     * @param  string  $table
+     * @return void
+     */
+    public function __construct(Resolver $resolver, $table)
+    {
+        $this->table = $table;
+        $this->resolver = $resolver;
+    }
+
+    /**
+     * Get the completed migrations.
+     *
+     * @return array
+     */
+    public function getRan()
+    {
+        return $this->table()
+                ->orderBy('batch', 'asc')
+                ->orderBy('migration', 'asc')
+                ->pluck('migration')->all();
+    }
+
+    /**
+     * Get list of migrations.
+     *
+     * @param  int  $steps
+     * @return array
+     */
+    public function getMigrations($steps)
+    {
+        $query = $this->table()->where('batch', '>=', '1');
+
+        return $query->orderBy('batch', 'desc')
+                     ->orderBy('migration', 'desc')
+                     ->take($steps)->get()->all();
+    }
+
+    /**
+     * Get the last migration batch.
+     *
+     * @return array
+     */
+    public function getLast()
+    {
+        $query = $this->table()->where('batch', $this->getLastBatchNumber());
+
+        return $query->orderBy('migration', 'desc')->get()->all();
+    }
+
+    /**
+     * Get the completed migrations with their batch numbers.
+     *
+     * @return array
+     */
+    public function getMigrationBatches()
+    {
+        return $this->table()
+                ->orderBy('batch', 'asc')
+                ->orderBy('migration', 'asc')
+                ->pluck('batch', 'migration')->all();
+    }
+
+    /**
+     * Log that a migration was run.
+     *
+     * @param  string  $file
+     * @param  int  $batch
+     * @return void
+     */
+    public function log($file, $batch)
+    {
+        $record = ['migration' => $file, 'batch' => $batch];
+
+        $this->table()->insert($record);
+    }
+
+    /**
+     * Remove a migration from the log.
+     *
+     * @param  object  $migration
+     * @return void
+     */
+    public function delete($migration)
+    {
+        $this->table()->where('migration', $migration->migration)->delete();
+    }
+
+    /**
+     * Get the next migration batch number.
+     *
+     * @return int
+     */
+    public function getNextBatchNumber()
+    {
+        return $this->getLastBatchNumber() + 1;
+    }
+
+    /**
+     * Get the last migration batch number.
+     *
+     * @return int
+     */
+    public function getLastBatchNumber()
+    {
+        return $this->table()->max('batch');
+    }
+
+    /**
+     * Create the migration repository data store.
+     *
+     * @return void
+     */
+    public function createRepository()
+    {
+        $schema = $this->getConnection()->getSchemaBuilder();
+
+        $schema->create($this->table, function ($table) {
+            // The migrations table is responsible for keeping track of which of the
+            // migrations have actually run for the application. We'll create the
+            // table to hold the migration file's path as well as the batch ID.
+            $table->increments('id');
+            $table->string('migration');
+            $table->integer('batch');
+        });
+    }
+
+    /**
+     * Determine if the migration repository exists.
+     *
+     * @return bool
+     */
+    public function repositoryExists()
+    {
+        $schema = $this->getConnection()->getSchemaBuilder();
+
+        return $schema->hasTable($this->table);
+    }
+
+    /**
+     * Get a query builder for the migration table.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    protected function table()
+    {
+        return $this->getConnection()->table($this->table)->useWritePdo();
+    }
+
+    /**
+     * Get the connection resolver instance.
+     *
+     * @return \Illuminate\Database\ConnectionResolverInterface
+     */
+    public function getConnectionResolver()
+    {
+        return $this->resolver;
+    }
+
+    /**
+     * Resolve the database connection instance.
+     *
+     * @return \Illuminate\Database\Connection
+     */
+    public function getConnection()
+    {
+        return $this->resolver->connection($this->connection);
+    }
+
+    /**
+     * Set the information source to gather data.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function setSource($name)
+    {
+        $this->connection = $name;
+    }
+}

vendor/illuminate/database/Migrations/Migration.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Illuminate\Database\Migrations;
+
+abstract class Migration
+{
+    /**
+     * The name of the database connection to use.
+     *
+     * @var string|null
+     */
+    protected $connection;
+
+    /**
+     * Enables, if supported, wrapping the migration within a transaction.
+     *
+     * @var bool
+     */
+    public $withinTransaction = true;
+
+    /**
+     * Get the migration connection name.
+     *
+     * @return string|null
+     */
+    public function getConnection()
+    {
+        return $this->connection;
+    }
+}

vendor/illuminate/database/Migrations/MigrationCreator.php

@@ -0,0 +1,233 @@
+<?php
+
+namespace Illuminate\Database\Migrations;
+
+use Closure;
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Str;
+use InvalidArgumentException;
+
+class MigrationCreator
+{
+    /**
+     * The filesystem instance.
+     *
+     * @var \Illuminate\Filesystem\Filesystem
+     */
+    protected $files;
+
+    /**
+     * The custom app stubs directory.
+     *
+     * @var string
+     */
+    protected $customStubPath;
+
+    /**
+     * The registered post create hooks.
+     *
+     * @var array
+     */
+    protected $postCreate = [];
+
+    /**
+     * Create a new migration creator instance.
+     *
+     * @param  \Illuminate\Filesystem\Filesystem  $files
+     * @param  string  $customStubPath
+     * @return void
+     */
+    public function __construct(Filesystem $files, $customStubPath)
+    {
+        $this->files = $files;
+        $this->customStubPath = $customStubPath;
+    }
+
+    /**
+     * Create a new migration at the given path.
+     *
+     * @param  string  $name
+     * @param  string  $path
+     * @param  string|null  $table
+     * @param  bool  $create
+     * @return string
+     *
+     * @throws \Exception
+     */
+    public function create($name, $path, $table = null, $create = false)
+    {
+        $this->ensureMigrationDoesntAlreadyExist($name, $path);
+
+        // First we will get the stub file for the migration, which serves as a type
+        // of template for the migration. Once we have those we will populate the
+        // various place-holders, save the file, and run the post create event.
+        $stub = $this->getStub($table, $create);
+
+        $this->files->put(
+            $path = $this->getPath($name, $path),
+            $this->populateStub($name, $stub, $table)
+        );
+
+        // Next, we will fire any hooks that are supposed to fire after a migration is
+        // created. Once that is done we'll be ready to return the full path to the
+        // migration file so it can be used however it's needed by the developer.
+        $this->firePostCreateHooks($table);
+
+        return $path;
+    }
+
+    /**
+     * Ensure that a migration with the given name doesn't already exist.
+     *
+     * @param  string  $name
+     * @param  string  $migrationPath
+     * @return void
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function ensureMigrationDoesntAlreadyExist($name, $migrationPath = null)
+    {
+        if (! empty($migrationPath)) {
+            $migrationFiles = $this->files->glob($migrationPath.'/*.php');
+
+            foreach ($migrationFiles as $migrationFile) {
+                $this->files->requireOnce($migrationFile);
+            }
+        }
+
+        if (class_exists($className = $this->getClassName($name))) {
+            throw new InvalidArgumentException("A {$className} class already exists.");
+        }
+    }
+
+    /**
+     * Get the migration stub file.
+     *
+     * @param  string|null  $table
+     * @param  bool  $create
+     * @return string
+     */
+    protected function getStub($table, $create)
+    {
+        if (is_null($table)) {
+            $stub = $this->files->exists($customPath = $this->customStubPath.'/migration.stub')
+                            ? $customPath
+                            : $this->stubPath().'/migration.stub';
+        } elseif ($create) {
+            $stub = $this->files->exists($customPath = $this->customStubPath.'/migration.create.stub')
+                            ? $customPath
+                            : $this->stubPath().'/migration.create.stub';
+        } else {
+            $stub = $this->files->exists($customPath = $this->customStubPath.'/migration.update.stub')
+                            ? $customPath
+                            : $this->stubPath().'/migration.update.stub';
+        }
+
+        return $this->files->get($stub);
+    }
+
+    /**
+     * Populate the place-holders in the migration stub.
+     *
+     * @param  string  $name
+     * @param  string  $stub
+     * @param  string|null  $table
+     * @return string
+     */
+    protected function populateStub($name, $stub, $table)
+    {
+        $stub = str_replace(
+            ['DummyClass', '{{ class }}', '{{class}}'],
+            $this->getClassName($name), $stub
+        );
+
+        // Here we will replace the table place-holders with the table specified by
+        // the developer, which is useful for quickly creating a tables creation
+        // or update migration from the console instead of typing it manually.
+        if (! is_null($table)) {
+            $stub = str_replace(
+                ['DummyTable', '{{ table }}', '{{table}}'],
+                $table, $stub
+            );
+        }
+
+        return $stub;
+    }
+
+    /**
+     * Get the class name of a migration name.
+     *
+     * @param  string  $name
+     * @return string
+     */
+    protected function getClassName($name)
+    {
+        return Str::studly($name);
+    }
+
+    /**
+     * Get the full path to the migration.
+     *
+     * @param  string  $name
+     * @param  string  $path
+     * @return string
+     */
+    protected function getPath($name, $path)
+    {
+        return $path.'/'.$this->getDatePrefix().'_'.$name.'.php';
+    }
+
+    /**
+     * Fire the registered post create hooks.
+     *
+     * @param  string|null  $table
+     * @return void
+     */
+    protected function firePostCreateHooks($table)
+    {
+        foreach ($this->postCreate as $callback) {
+            $callback($table);
+        }
+    }
+
+    /**
+     * Register a post migration create hook.
+     *
+     * @param  \Closure  $callback
+     * @return void
+     */
+    public function afterCreate(Closure $callback)
+    {
+        $this->postCreate[] = $callback;
+    }
+
+    /**
+     * Get the date prefix for the migration.
+     *
+     * @return string
+     */
+    protected function getDatePrefix()
+    {
+        return date('Y_m_d_His');
+    }
+
+    /**
+     * Get the path to the stubs.
+     *
+     * @return string
+     */
+    public function stubPath()
+    {
+        return __DIR__.'/stubs';
+    }
+
+    /**
+     * Get the filesystem instance.
+     *
+     * @return \Illuminate\Filesystem\Filesystem
+     */
+    public function getFilesystem()
+    {
+        return $this->files;
+    }
+}

vendor/illuminate/database/Migrations/MigrationRepositoryInterface.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace Illuminate\Database\Migrations;
+
+interface MigrationRepositoryInterface
+{
+    /**
+     * Get the completed migrations.
+     *
+     * @return array
+     */
+    public function getRan();
+
+    /**
+     * Get list of migrations.
+     *
+     * @param  int  $steps
+     * @return array
+     */
+    public function getMigrations($steps);
+
+    /**
+     * Get the last migration batch.
+     *
+     * @return array
+     */
+    public function getLast();
+
+    /**
+     * Get the completed migrations with their batch numbers.
+     *
+     * @return array
+     */
+    public function getMigrationBatches();
+
+    /**
+     * Log that a migration was run.
+     *
+     * @param  string  $file
+     * @param  int  $batch
+     * @return void
+     */
+    public function log($file, $batch);
+
+    /**
+     * Remove a migration from the log.
+     *
+     * @param  object  $migration
+     * @return void
+     */
+    public function delete($migration);
+
+    /**
+     * Get the next migration batch number.
+     *
+     * @return int
+     */
+    public function getNextBatchNumber();
+
+    /**
+     * Create the migration repository data store.
+     *
+     * @return void
+     */
+    public function createRepository();
+
+    /**
+     * Determine if the migration repository exists.
+     *
+     * @return bool
+     */
+    public function repositoryExists();
+
+    /**
+     * Set the information source to gather data.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function setSource($name);
+}

vendor/illuminate/database/Migrations/Migrator.php

@@ -0,0 +1,659 @@
+<?php
+
+namespace Illuminate\Database\Migrations;
+
+use Illuminate\Contracts\Events\Dispatcher;
+use Illuminate\Database\ConnectionResolverInterface as Resolver;
+use Illuminate\Database\Events\MigrationEnded;
+use Illuminate\Database\Events\MigrationsEnded;
+use Illuminate\Database\Events\MigrationsStarted;
+use Illuminate\Database\Events\MigrationStarted;
+use Illuminate\Database\Events\NoPendingMigrations;
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Str;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Migrator
+{
+    /**
+     * The event dispatcher instance.
+     *
+     * @var \Illuminate\Contracts\Events\Dispatcher
+     */
+    protected $events;
+
+    /**
+     * The migration repository implementation.
+     *
+     * @var \Illuminate\Database\Migrations\MigrationRepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * The filesystem instance.
+     *
+     * @var \Illuminate\Filesystem\Filesystem
+     */
+    protected $files;
+
+    /**
+     * The connection resolver instance.
+     *
+     * @var \Illuminate\Database\ConnectionResolverInterface
+     */
+    protected $resolver;
+
+    /**
+     * The name of the default connection.
+     *
+     * @var string
+     */
+    protected $connection;
+
+    /**
+     * The paths to all of the migration files.
+     *
+     * @var array
+     */
+    protected $paths = [];
+
+    /**
+     * The output interface implementation.
+     *
+     * @var \Symfony\Component\Console\Output\OutputInterface
+     */
+    protected $output;
+
+    /**
+     * Create a new migrator instance.
+     *
+     * @param  \Illuminate\Database\Migrations\MigrationRepositoryInterface  $repository
+     * @param  \Illuminate\Database\ConnectionResolverInterface  $resolver
+     * @param  \Illuminate\Filesystem\Filesystem  $files
+     * @param  \Illuminate\Contracts\Events\Dispatcher|null  $dispatcher
+     * @return void
+     */
+    public function __construct(MigrationRepositoryInterface $repository,
+                                Resolver $resolver,
+                                Filesystem $files,
+                                Dispatcher $dispatcher = null)
+    {
+        $this->files = $files;
+        $this->events = $dispatcher;
+        $this->resolver = $resolver;
+        $this->repository = $repository;
+    }
+
+    /**
+     * Run the pending migrations at a given path.
+     *
+     * @param  array|string  $paths
+     * @param  array  $options
+     * @return array
+     */
+    public function run($paths = [], array $options = [])
+    {
+        // Once we grab all of the migration files for the path, we will compare them
+        // against the migrations that have already been run for this package then
+        // run each of the outstanding migrations against a database connection.
+        $files = $this->getMigrationFiles($paths);
+
+        $this->requireFiles($migrations = $this->pendingMigrations(
+            $files, $this->repository->getRan()
+        ));
+
+        // Once we have all these migrations that are outstanding we are ready to run
+        // we will go ahead and run them "up". This will execute each migration as
+        // an operation against a database. Then we'll return this list of them.
+        $this->runPending($migrations, $options);
+
+        return $migrations;
+    }
+
+    /**
+     * Get the migration files that have not yet run.
+     *
+     * @param  array  $files
+     * @param  array  $ran
+     * @return array
+     */
+    protected function pendingMigrations($files, $ran)
+    {
+        return Collection::make($files)
+                ->reject(function ($file) use ($ran) {
+                    return in_array($this->getMigrationName($file), $ran);
+                })->values()->all();
+    }
+
+    /**
+     * Run an array of migrations.
+     *
+     * @param  array  $migrations
+     * @param  array  $options
+     * @return void
+     */
+    public function runPending(array $migrations, array $options = [])
+    {
+        // First we will just make sure that there are any migrations to run. If there
+        // aren't, we will just make a note of it to the developer so they're aware
+        // that all of the migrations have been run against this database system.
+        if (count($migrations) === 0) {
+            $this->fireMigrationEvent(new NoPendingMigrations('up'));
+
+            $this->note('<info>Nothing to migrate.</info>');
+
+            return;
+        }
+
+        // Next, we will get the next batch number for the migrations so we can insert
+        // correct batch number in the database migrations repository when we store
+        // each migration's execution. We will also extract a few of the options.
+        $batch = $this->repository->getNextBatchNumber();
+
+        $pretend = $options['pretend'] ?? false;
+
+        $step = $options['step'] ?? false;
+
+        $this->fireMigrationEvent(new MigrationsStarted);
+
+        // Once we have the array of migrations, we will spin through them and run the
+        // migrations "up" so the changes are made to the databases. We'll then log
+        // that the migration was run so we don't repeat it next time we execute.
+        foreach ($migrations as $file) {
+            $this->runUp($file, $batch, $pretend);
+
+            if ($step) {
+                $batch++;
+            }
+        }
+
+        $this->fireMigrationEvent(new MigrationsEnded);
+    }
+
+    /**
+     * Run "up" a migration instance.
+     *
+     * @param  string  $file
+     * @param  int  $batch
+     * @param  bool  $pretend
+     * @return void
+     */
+    protected function runUp($file, $batch, $pretend)
+    {
+        // First we will resolve a "real" instance of the migration class from this
+        // migration file name. Once we have the instances we can run the actual
+        // command such as "up" or "down", or we can just simulate the action.
+        $migration = $this->resolve(
+            $name = $this->getMigrationName($file)
+        );
+
+        if ($pretend) {
+            return $this->pretendToRun($migration, 'up');
+        }
+
+        $this->note("<comment>Migrating:</comment> {$name}");
+
+        $startTime = microtime(true);
+
+        $this->runMigration($migration, 'up');
+
+        $runTime = round(microtime(true) - $startTime, 2);
+
+        // Once we have run a migrations class, we will log that it was run in this
+        // repository so that we don't try to run it next time we do a migration
+        // in the application. A migration repository keeps the migrate order.
+        $this->repository->log($name, $batch);
+
+        $this->note("<info>Migrated:</info>  {$name} ({$runTime} seconds)");
+    }
+
+    /**
+     * Rollback the last migration operation.
+     *
+     * @param  array|string  $paths
+     * @param  array  $options
+     * @return array
+     */
+    public function rollback($paths = [], array $options = [])
+    {
+        // We want to pull in the last batch of migrations that ran on the previous
+        // migration operation. We'll then reverse those migrations and run each
+        // of them "down" to reverse the last migration "operation" which ran.
+        $migrations = $this->getMigrationsForRollback($options);
+
+        if (count($migrations) === 0) {
+            $this->fireMigrationEvent(new NoPendingMigrations('down'));
+
+            $this->note('<info>Nothing to rollback.</info>');
+
+            return [];
+        }
+
+        return $this->rollbackMigrations($migrations, $paths, $options);
+    }
+
+    /**
+     * Get the migrations for a rollback operation.
+     *
+     * @param  array  $options
+     * @return array
+     */
+    protected function getMigrationsForRollback(array $options)
+    {
+        if (($steps = $options['step'] ?? 0) > 0) {
+            return $this->repository->getMigrations($steps);
+        }
+
+        return $this->repository->getLast();
+    }
+
+    /**
+     * Rollback the given migrations.
+     *
+     * @param  array  $migrations
+     * @param  array|string  $paths
+     * @param  array  $options
+     * @return array
+     */
+    protected function rollbackMigrations(array $migrations, $paths, array $options)
+    {
+        $rolledBack = [];
+
+        $this->requireFiles($files = $this->getMigrationFiles($paths));
+
+        $this->fireMigrationEvent(new MigrationsStarted);
+
+        // Next we will run through all of the migrations and call the "down" method
+        // which will reverse each migration in order. This getLast method on the
+        // repository already returns these migration's names in reverse order.
+        foreach ($migrations as $migration) {
+            $migration = (object) $migration;
+
+            if (! $file = Arr::get($files, $migration->migration)) {
+                $this->note("<fg=red>Migration not found:</> {$migration->migration}");
+
+                continue;
+            }
+
+            $rolledBack[] = $file;
+
+            $this->runDown(
+                $file, $migration,
+                $options['pretend'] ?? false
+            );
+        }
+
+        $this->fireMigrationEvent(new MigrationsEnded);
+
+        return $rolledBack;
+    }
+
+    /**
+     * Rolls all of the currently applied migrations back.
+     *
+     * @param  array|string  $paths
+     * @param  bool  $pretend
+     * @return array
+     */
+    public function reset($paths = [], $pretend = false)
+    {
+        // Next, we will reverse the migration list so we can run them back in the
+        // correct order for resetting this database. This will allow us to get
+        // the database back into its "empty" state ready for the migrations.
+        $migrations = array_reverse($this->repository->getRan());
+
+        if (count($migrations) === 0) {
+            $this->note('<info>Nothing to rollback.</info>');
+
+            return [];
+        }
+
+        return $this->resetMigrations($migrations, $paths, $pretend);
+    }
+
+    /**
+     * Reset the given migrations.
+     *
+     * @param  array  $migrations
+     * @param  array  $paths
+     * @param  bool  $pretend
+     * @return array
+     */
+    protected function resetMigrations(array $migrations, array $paths, $pretend = false)
+    {
+        // Since the getRan method that retrieves the migration name just gives us the
+        // migration name, we will format the names into objects with the name as a
+        // property on the objects so that we can pass it to the rollback method.
+        $migrations = collect($migrations)->map(function ($m) {
+            return (object) ['migration' => $m];
+        })->all();
+
+        return $this->rollbackMigrations(
+            $migrations, $paths, compact('pretend')
+        );
+    }
+
+    /**
+     * Run "down" a migration instance.
+     *
+     * @param  string  $file
+     * @param  object  $migration
+     * @param  bool  $pretend
+     * @return void
+     */
+    protected function runDown($file, $migration, $pretend)
+    {
+        // First we will get the file name of the migration so we can resolve out an
+        // instance of the migration. Once we get an instance we can either run a
+        // pretend execution of the migration or we can run the real migration.
+        $instance = $this->resolve(
+            $name = $this->getMigrationName($file)
+        );
+
+        $this->note("<comment>Rolling back:</comment> {$name}");
+
+        if ($pretend) {
+            return $this->pretendToRun($instance, 'down');
+        }
+
+        $startTime = microtime(true);
+
+        $this->runMigration($instance, 'down');
+
+        $runTime = round(microtime(true) - $startTime, 2);
+
+        // Once we have successfully run the migration "down" we will remove it from
+        // the migration repository so it will be considered to have not been run
+        // by the application then will be able to fire by any later operation.
+        $this->repository->delete($migration);
+
+        $this->note("<info>Rolled back:</info>  {$name} ({$runTime} seconds)");
+    }
+
+    /**
+     * Run a migration inside a transaction if the database supports it.
+     *
+     * @param  object  $migration
+     * @param  string  $method
+     * @return void
+     */
+    protected function runMigration($migration, $method)
+    {
+        $connection = $this->resolveConnection(
+            $migration->getConnection()
+        );
+
+        $callback = function () use ($migration, $method) {
+            if (method_exists($migration, $method)) {
+                $this->fireMigrationEvent(new MigrationStarted($migration, $method));
+
+                $migration->{$method}();
+
+                $this->fireMigrationEvent(new MigrationEnded($migration, $method));
+            }
+        };
+
+        $this->getSchemaGrammar($connection)->supportsSchemaTransactions()
+            && $migration->withinTransaction
+                    ? $connection->transaction($callback)
+                    : $callback();
+    }
+
+    /**
+     * Pretend to run the migrations.
+     *
+     * @param  object  $migration
+     * @param  string  $method
+     * @return void
+     */
+    protected function pretendToRun($migration, $method)
+    {
+        foreach ($this->getQueries($migration, $method) as $query) {
+            $name = get_class($migration);
+
+            $this->note("<info>{$name}:</info> {$query['query']}");
+        }
+    }
+
+    /**
+     * Get all of the queries that would be run for a migration.
+     *
+     * @param  object  $migration
+     * @param  string  $method
+     * @return array
+     */
+    protected function getQueries($migration, $method)
+    {
+        // Now that we have the connections we can resolve it and pretend to run the
+        // queries against the database returning the array of raw SQL statements
+        // that would get fired against the database system for this migration.
+        $db = $this->resolveConnection(
+            $migration->getConnection()
+        );
+
+        return $db->pretend(function () use ($migration, $method) {
+            if (method_exists($migration, $method)) {
+                $migration->{$method}();
+            }
+        });
+    }
+
+    /**
+     * Resolve a migration instance from a file.
+     *
+     * @param  string  $file
+     * @return object
+     */
+    public function resolve($file)
+    {
+        $class = Str::studly(implode('_', array_slice(explode('_', $file), 4)));
+
+        return new $class;
+    }
+
+    /**
+     * Get all of the migration files in a given path.
+     *
+     * @param  string|array  $paths
+     * @return array
+     */
+    public function getMigrationFiles($paths)
+    {
+        return Collection::make($paths)->flatMap(function ($path) {
+            return Str::endsWith($path, '.php') ? [$path] : $this->files->glob($path.'/*_*.php');
+        })->filter()->values()->keyBy(function ($file) {
+            return $this->getMigrationName($file);
+        })->sortBy(function ($file, $key) {
+            return $key;
+        })->all();
+    }
+
+    /**
+     * Require in all the migration files in a given path.
+     *
+     * @param  array  $files
+     * @return void
+     */
+    public function requireFiles(array $files)
+    {
+        foreach ($files as $file) {
+            $this->files->requireOnce($file);
+        }
+    }
+
+    /**
+     * Get the name of the migration.
+     *
+     * @param  string  $path
+     * @return string
+     */
+    public function getMigrationName($path)
+    {
+        return str_replace('.php', '', basename($path));
+    }
+
+    /**
+     * Register a custom migration path.
+     *
+     * @param  string  $path
+     * @return void
+     */
+    public function path($path)
+    {
+        $this->paths = array_unique(array_merge($this->paths, [$path]));
+    }
+
+    /**
+     * Get all of the custom migration paths.
+     *
+     * @return array
+     */
+    public function paths()
+    {
+        return $this->paths;
+    }
+
+    /**
+     * Get the default connection name.
+     *
+     * @return string
+     */
+    public function getConnection()
+    {
+        return $this->connection;
+    }
+
+    /**
+     * Execute the given callback using the given connection as the default connection.
+     *
+     * @param  string  $name
+     * @param  callable  $callback
+     * @return mixed
+     */
+    public function usingConnection($name, callable $callback)
+    {
+        $previousConnection = $this->resolver->getDefaultConnection();
+
+        $this->setConnection($name);
+
+        return tap($callback(), function () use ($previousConnection) {
+            $this->setConnection($previousConnection);
+        });
+    }
+
+    /**
+     * Set the default connection name.
+     *
+     * @param  string  $name
+     * @return void
+     */
+    public function setConnection($name)
+    {
+        if (! is_null($name)) {
+            $this->resolver->setDefaultConnection($name);
+        }
+
+        $this->repository->setSource($name);
+
+        $this->connection = $name;
+    }
+
+    /**
+     * Resolve the database connection instance.
+     *
+     * @param  string  $connection
+     * @return \Illuminate\Database\Connection
+     */
+    public function resolveConnection($connection)
+    {
+        return $this->resolver->connection($connection ?: $this->connection);
+    }
+
+    /**
+     * Get the schema grammar out of a migration connection.
+     *
+     * @param  \Illuminate\Database\Connection  $connection
+     * @return \Illuminate\Database\Schema\Grammars\Grammar
+     */
+    protected function getSchemaGrammar($connection)
+    {
+        if (is_null($grammar = $connection->getSchemaGrammar())) {
+            $connection->useDefaultSchemaGrammar();
+
+            $grammar = $connection->getSchemaGrammar();
+        }
+
+        return $grammar;
+    }
+
+    /**
+     * Get the migration repository instance.
+     *
+     * @return \Illuminate\Database\Migrations\MigrationRepositoryInterface
+     */
+    public function getRepository()
+    {
+        return $this->repository;
+    }
+
+    /**
+     * Determine if the migration repository exists.
+     *
+     * @return bool
+     */
+    public function repositoryExists()
+    {
+        return $this->repository->repositoryExists();
+    }
+
+    /**
+     * Get the file system instance.
+     *
+     * @return \Illuminate\Filesystem\Filesystem
+     */
+    public function getFilesystem()
+    {
+        return $this->files;
+    }
+
+    /**
+     * Set the output implementation that should be used by the console.
+     *
+     * @param  \Symfony\Component\Console\Output\OutputInterface  $output
+     * @return $this
+     */
+    public function setOutput(OutputInterface $output)
+    {
+        $this->output = $output;
+
+        return $this;
+    }
+
+    /**
+     * Write a note to the console's output.
+     *
+     * @param  string  $message
+     * @return void
+     */
+    protected function note($message)
+    {
+        if ($this->output) {
+            $this->output->writeln($message);
+        }
+    }
+
+    /**
+     * Fire the given event for the migration.
+     *
+     * @param  \Illuminate\Contracts\Database\Events\MigrationEvent  $event
+     * @return void
+     */
+    public function fireMigrationEvent($event)
+    {
+        if ($this->events) {
+            $this->events->dispatch($event);
+        }
+    }
+}

vendor/illuminate/database/Migrations/stubs/migration.create.stub

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class {{ class }} extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('{{ table }}', function (Blueprint $table) {
+            $table->id();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('{{ table }}');
+    }
+}

vendor/illuminate/database/Migrations/stubs/migration.stub

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class {{ class }} extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        //
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}

vendor/illuminate/database/Migrations/stubs/migration.update.stub

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class {{ class }} extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('{{ table }}', function (Blueprint $table) {
+            //
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('{{ table }}', function (Blueprint $table) {
+            //
+        });
+    }
+}

vendor/illuminate/database/MySqlConnection.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Doctrine\DBAL\Driver\PDOMySql\Driver as DoctrineDriver;
+use Illuminate\Database\Query\Grammars\MySqlGrammar as QueryGrammar;
+use Illuminate\Database\Query\Processors\MySqlProcessor;
+use Illuminate\Database\Schema\Grammars\MySqlGrammar as SchemaGrammar;
+use Illuminate\Database\Schema\MySqlBuilder;
+
+class MySqlConnection extends Connection
+{
+    /**
+     * Get the default query grammar instance.
+     *
+     * @return \Illuminate\Database\Query\Grammars\MySqlGrammar
+     */
+    protected function getDefaultQueryGrammar()
+    {
+        return $this->withTablePrefix(new QueryGrammar);
+    }
+
+    /**
+     * Get a schema builder instance for the connection.
+     *
+     * @return \Illuminate\Database\Schema\MySqlBuilder
+     */
+    public function getSchemaBuilder()
+    {
+        if (is_null($this->schemaGrammar)) {
+            $this->useDefaultSchemaGrammar();
+        }
+
+        return new MySqlBuilder($this);
+    }
+
+    /**
+     * Get the default schema grammar instance.
+     *
+     * @return \Illuminate\Database\Schema\Grammars\MySqlGrammar
+     */
+    protected function getDefaultSchemaGrammar()
+    {
+        return $this->withTablePrefix(new SchemaGrammar);
+    }
+
+    /**
+     * Get the default post processor instance.
+     *
+     * @return \Illuminate\Database\Query\Processors\MySqlProcessor
+     */
+    protected function getDefaultPostProcessor()
+    {
+        return new MySqlProcessor;
+    }
+
+    /**
+     * Get the Doctrine DBAL driver.
+     *
+     * @return \Doctrine\DBAL\Driver\PDOMySql\Driver
+     */
+    protected function getDoctrineDriver()
+    {
+        return new DoctrineDriver;
+    }
+}

vendor/illuminate/database/PostgresConnection.php

@@ -0,0 +1,93 @@
+<?php
+
+namespace Illuminate\Database;
+
+use Doctrine\DBAL\Driver\PDOPgSql\Driver as DoctrineDriver;
+use Illuminate\Database\Query\Grammars\PostgresGrammar as QueryGrammar;
+use Illuminate\Database\Query\Processors\PostgresProcessor;
+use Illuminate\Database\Schema\Grammars\PostgresGrammar as SchemaGrammar;
+use Illuminate\Database\Schema\PostgresBuilder;
+use PDO;
+
+class PostgresConnection extends Connection
+{
+    /**
+     * Bind values to their parameters in the given statement.
+     *
+     * @param  \PDOStatement  $statement
+     * @param  array  $bindings
+     * @return void
+     */
+    public function bindValues($statement, $bindings)
+    {
+        foreach ($bindings as $key => $value) {
+            if (is_int($value)) {
+                $pdoParam = PDO::PARAM_INT;
+            } elseif (is_resource($value)) {
+                $pdoParam = PDO::PARAM_LOB;
+            } else {
+                $pdoParam = PDO::PARAM_STR;
+            }
+
+            $statement->bindValue(
+                is_string($key) ? $key : $key + 1,
+                $value,
+                $pdoParam
+            );
+        }
+    }
+
+    /**
+     * Get the default query grammar instance.
+     *
+     * @return \Illuminate\Database\Query\Grammars\PostgresGrammar
+     */
+    protected function getDefaultQueryGrammar()
+    {
+        return $this->withTablePrefix(new QueryGrammar);
+    }
+
+    /**
+     * Get a schema builder instance for the connection.
+     *
+     * @return \Illuminate\Database\Schema\PostgresBuilder
+     */
+    public function getSchemaBuilder()
+    {
+        if (is_null($this->schemaGrammar)) {
+            $this->useDefaultSchemaGrammar();
+        }
+
+        return new PostgresBuilder($this);
+    }
+
+    /**
+     * Get the default schema grammar instance.
+     *
+     * @return \Illuminate\Database\Schema\Grammars\PostgresGrammar
+     */
+    protected function getDefaultSchemaGrammar()
+    {
+        return $this->withTablePrefix(new SchemaGrammar);
+    }
+
+    /**
+     * Get the default post processor instance.
+     *
+     * @return \Illuminate\Database\Query\Processors\PostgresProcessor
+     */
+    protected function getDefaultPostProcessor()
+    {
+        return new PostgresProcessor;
+    }
+
+    /**
+     * Get the Doctrine DBAL driver.
+     *
+     * @return \Doctrine\DBAL\Driver\PDOPgSql\Driver
+     */
+    protected function getDoctrineDriver()
+    {
+        return new DoctrineDriver;
+    }
+}