v.0.1

vendor/illuminate/database/Query/JoinClause.php

@@ -0,0 +1,146 @@
+<?php
+
+namespace Illuminate\Database\Query;
+
+use Closure;
+
+class JoinClause extends Builder
+{
+    /**
+     * The type of join being performed.
+     *
+     * @var string
+     */
+    public $type;
+
+    /**
+     * The table the join clause is joining to.
+     *
+     * @var string
+     */
+    public $table;
+
+    /**
+     * The connection of the parent query builder.
+     *
+     * @var \Illuminate\Database\ConnectionInterface
+     */
+    protected $parentConnection;
+
+    /**
+     * The grammar of the parent query builder.
+     *
+     * @var \Illuminate\Database\Query\Grammars\Grammar
+     */
+    protected $parentGrammar;
+
+    /**
+     * The processor of the parent query builder.
+     *
+     * @var \Illuminate\Database\Query\Processors\Processor
+     */
+    protected $parentProcessor;
+
+    /**
+     * The class name of the parent query builder.
+     *
+     * @var string
+     */
+    protected $parentClass;
+
+    /**
+     * Create a new join clause instance.
+     *
+     * @param  \Illuminate\Database\Query\Builder  $parentQuery
+     * @param  string  $type
+     * @param  string  $table
+     * @return void
+     */
+    public function __construct(Builder $parentQuery, $type, $table)
+    {
+        $this->type = $type;
+        $this->table = $table;
+        $this->parentClass = get_class($parentQuery);
+        $this->parentGrammar = $parentQuery->getGrammar();
+        $this->parentProcessor = $parentQuery->getProcessor();
+        $this->parentConnection = $parentQuery->getConnection();
+
+        parent::__construct(
+            $this->parentConnection, $this->parentGrammar, $this->parentProcessor
+        );
+    }
+
+    /**
+     * Add an "on" clause to the join.
+     *
+     * On clauses can be chained, e.g.
+     *
+     *  $join->on('contacts.user_id', '=', 'users.id')
+     *       ->on('contacts.info_id', '=', 'info.id')
+     *
+     * will produce the following SQL:
+     *
+     * on `contacts`.`user_id` = `users`.`id` and `contacts`.`info_id` = `info`.`id`
+     *
+     * @param  \Closure|string  $first
+     * @param  string|null  $operator
+     * @param  \Illuminate\Database\Query\Expression|string|null  $second
+     * @param  string  $boolean
+     * @return $this
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function on($first, $operator = null, $second = null, $boolean = 'and')
+    {
+        if ($first instanceof Closure) {
+            return $this->whereNested($first, $boolean);
+        }
+
+        return $this->whereColumn($first, $operator, $second, $boolean);
+    }
+
+    /**
+     * Add an "or on" clause to the join.
+     *
+     * @param  \Closure|string  $first
+     * @param  string|null  $operator
+     * @param  string|null  $second
+     * @return \Illuminate\Database\Query\JoinClause
+     */
+    public function orOn($first, $operator = null, $second = null)
+    {
+        return $this->on($first, $operator, $second, 'or');
+    }
+
+    /**
+     * Get a new instance of the join clause builder.
+     *
+     * @return \Illuminate\Database\Query\JoinClause
+     */
+    public function newQuery()
+    {
+        return new static($this->newParentQuery(), $this->type, $this->table);
+    }
+
+    /**
+     * Create a new query instance for sub-query.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    protected function forSubQuery()
+    {
+        return $this->newParentQuery()->newQuery();
+    }
+
+    /**
+     * Create a new parent query instance.
+     *
+     * @return \Illuminate\Database\Query\Builder
+     */
+    protected function newParentQuery()
+    {
+        $class = $this->parentClass;
+
+        return new $class($this->parentConnection, $this->parentGrammar, $this->parentProcessor);
+    }
+}