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13 changes: 13 additions & 0 deletions src/Illuminate/Database/Eloquent/Collection.php
Original file line number Diff line number Diff line change
Expand Up @@ -335,6 +335,19 @@ public function contains($key, $operator = null, $value = null)
return parent::contains(fn ($model) => $model->getKey() == $key);
}

/**
* Determine if a key does not exist in the collection.
*
* @param (callable(TModel, TKey): bool)|TModel|string|int $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function doesntContain($key, $operator = null, $value = null)
{
return ! $this->contains(...func_get_args());
}

/**
* Get the array of primary keys.
*
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26 changes: 26 additions & 0 deletions tests/Database/DatabaseEloquentCollectionTest.php
Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,10 @@ public function testContainsWithMultipleArguments()
$this->assertTrue($c->contains('id', 1));
$this->assertTrue($c->contains('id', '>=', 2));
$this->assertFalse($c->contains('id', '>', 2));

$this->assertFalse($c->doesntContain('id', 1));
$this->assertFalse($c->doesntContain('id', '>=', 2));
$this->assertTrue($c->doesntContain('id', '>', 2));
}

public function testContainsIndicatesIfModelInArray()
Expand All @@ -108,6 +112,10 @@ public function testContainsIndicatesIfModelInArray()
$this->assertTrue($c->contains($mockModel));
$this->assertTrue($c->contains($mockModel2));
$this->assertFalse($c->contains($mockModel3));

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

public function testContainsIndicatesIfDifferentModelInArray()
Expand All @@ -122,6 +130,9 @@ public function testContainsIndicatesIfDifferentModelInArray()

$this->assertTrue($c->contains($mockModelFoo));
$this->assertFalse($c->contains($mockModelBar));

$this->assertFalse($c->doesntContain($mockModelFoo));
$this->assertTrue($c->doesntContain($mockModelBar));
}

public function testContainsIndicatesIfKeyedModelInArray()
Expand All @@ -136,6 +147,10 @@ public function testContainsIndicatesIfKeyedModelInArray()
$this->assertTrue($c->contains(1));
$this->assertTrue($c->contains(2));
$this->assertFalse($c->contains(3));

$this->assertFalse($c->doesntContain(1));
$this->assertFalse($c->doesntContain(2));
$this->assertTrue($c->doesntContain(3));
}

public function testContainsKeyAndValueIndicatesIfModelInArray()
Expand All @@ -151,6 +166,10 @@ public function testContainsKeyAndValueIndicatesIfModelInArray()
$this->assertTrue($c->contains('name', 'Taylor'));
$this->assertTrue($c->contains('name', 'Abigail'));
$this->assertFalse($c->contains('name', 'Dayle'));

$this->assertFalse($c->doesntContain('name', 'Taylor'));
$this->assertFalse($c->doesntContain('name', 'Abigail'));
$this->assertTrue($c->doesntContain('name', 'Dayle'));
}

public function testContainsClosureIndicatesIfModelInArray()
Expand All @@ -167,6 +186,13 @@ public function testContainsClosureIndicatesIfModelInArray()
$this->assertFalse($c->contains(function ($model) {
return $model->getKey() > 2;
}));

$this->assertFalse($c->doesntContain(function ($model) {
return $model->getKey() < 2;
}));
$this->assertTrue($c->doesntContain(function ($model) {
return $model->getKey() > 2;
}));
}

public function testFindMethodFindsModelById()
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