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<?php |
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/* |
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* This file is part of the FOSRestBundle package. |
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* |
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* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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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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namespace FOS\RestBundle\Form\Transformer; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Symfony\Component\Form\DataTransformerInterface; |
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use Symfony\Component\Form\Exception\TransformationFailedException; |
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/** |
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* Class EntityToIdObjectTransformer. |
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* |
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* @author Marc Juchli <[email protected]> |
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* |
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* @internal |
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*/ |
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class EntityToIdObjectTransformer implements DataTransformerInterface |
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{ |
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private $om; |
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private $entityName; |
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public function __construct(ObjectManager $om, string $entityName) |
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{ |
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$this->entityName = $entityName; |
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$this->om = $om; |
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} |
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/** |
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* Do nothing. |
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* |
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* @param object|null $object |
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*/ |
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public function transform($object): string |
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{ |
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if (null === $object) { |
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return ''; |
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} |
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return current(array_values($this->om->getClassMetadata($this->entityName)->getIdentifierValues($object))); |
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} |
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/** |
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* Transforms an array including an identifier to an object. |
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* |
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* @param array $idObject |
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* |
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* @throws TransformationFailedException if object is not found |
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*/ |
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public function reverseTransform($idObject): ?object |
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{ |
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if (!is_array($idObject)) { |
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return null; |
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} |
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$identifier = current(array_values($this->om->getClassMetadata($this->entityName)->getIdentifier())); |
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$id = $idObject[$identifier]; |
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$object = $this->om |
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->getRepository($this->entityName) |
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->findOneBy([$identifier => $id]); |
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if (null === $object) { |
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throw new TransformationFailedException(sprintf('An object with identifier key "%s" and value "%s" does not exist!', $identifier, $id)); |
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} |
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return $object; |
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} |
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} |
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FriendsOfSymfony /
FOSRestBundle
