Merge pull request #2816 from Anahkiasen/contains-model

Allow Eloquent\Collection::find and contains to work with models

src/Illuminate/Database/Eloquent/Collection.php

@@ -13,6 +13,11 @@ class Collection extends BaseCollection {
	 */
	public function find($key, $default = null)
	{
		if ($key instanceof Model)
		{
			$key = $key->getKey();
		}

		return array_first($this->items, function($itemKey, $model) use ($key)
		{
			return $model->getKey() == $key;

tests/Database/DatabaseEloquentCollectionTest.php

@@ -33,6 +33,22 @@ public function testGettingMinItemsFromCollection()
	}


	public function testContainsIndicatesIfModelInArray()
	{
		$mockModel = m::mock('Illuminate\Database\Eloquent\Model');
		$mockModel->shouldReceive('getKey')->andReturn(1);
		$mockModel2 = m::mock('Illuminate\Database\Eloquent\Model');
		$mockModel2->shouldReceive('getKey')->andReturn(2);
		$mockModel3 = m::mock('Illuminate\Database\Eloquent\Model');
		$mockModel3->shouldReceive('getKey')->andReturn(3);
		$c = new Collection(array($mockModel, $mockModel2));

		$this->assertTrue($c->contains($mockModel));
		$this->assertTrue($c->contains($mockModel2));
		$this->assertFalse($c->contains($mockModel3));
	}


	public function testContainsIndicatesIfKeyedModelInArray()
	{
		$mockModel = m::mock('Illuminate\Database\Eloquent\Model');