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<?php |
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/* |
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* This file is part of the Shared Kernel library. |
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* |
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* Copyright (c) 2016-present LIN3S <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace LIN3S\SharedKernel\Domain\Model\Collection; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use LIN3S\SharedKernel\Domain\Model\Identity\Id; |
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/** |
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* @author Beñat Espiña <[email protected]> |
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*/ |
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abstract class Collection extends ArrayCollection |
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{ |
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abstract protected function type(); |
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public function __construct(array $elements = []) |
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{ |
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foreach ($elements as $element) { |
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$this->validate($element); |
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} |
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parent::__construct($elements); |
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} |
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public function add($element) : void |
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{ |
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$this->validate($element); |
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if ($this->contains($element)) { |
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throw new CollectionElementAlreadyAddedException(); |
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} |
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parent::add($element); |
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} |
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public function removeElement($element) : void |
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{ |
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if (!$this->contains($element)) { |
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throw new CollectionElementAlreadyRemovedException(); |
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} |
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if ($element instanceof Id) { |
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foreach ($this->toArray() as $key => $el) { |
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if ($element->equals($el)) { |
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$this->remove($key); |
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} |
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} |
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return; |
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} |
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parent::removeElement($element); |
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} |
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public function contains($element) : bool |
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{ |
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if ($element instanceof Id) { |
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foreach ($this->toArray() as $el) { |
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if ($element->equals($el)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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return parent::contains($element); |
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} |
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private function validate($element) : void |
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{ |
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if (is_scalar($element) |
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|| false === (is_subclass_of($element, $this->type()) |
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|| (get_class($element) === $this->type()) |
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) |
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) { |
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throw new CollectionElementInvalidException(); |
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} |
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} |
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} |
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LIN3S /
SharedKernel
