v.0.1

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());
+    }
+}