vendor/api-platform/core/src/Core/Api/IdentifiersExtractor.php line 37

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  1. <?php
  3. /*
  4.  * This file is part of the API Platform project.
  5.  *
  6.  * (c) Kévin Dunglas <dunglas@gmail.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. declare(strict_types=1);
  14. namespace ApiPlatform\Core\Api;
  16. use ApiPlatform\Api\IdentifiersExtractor as NewIdentifiersExtractor;
  17. use ApiPlatform\Core\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
  18. use ApiPlatform\Core\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
  19. use ApiPlatform\Exception\RuntimeException;
  20. use ApiPlatform\Util\ResourceClassInfoTrait;
  21. use Symfony\Component\PropertyAccess\PropertyAccess;
  22. use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
  24. /**
  25.  * {@inheritdoc}
  26.  *
  27.  * @author Antoine Bluchet <soyuka@gmail.com>
  28.  */
  29. final class IdentifiersExtractor implements IdentifiersExtractorInterface
  30. {
  31.     use ResourceClassInfoTrait;
  33.     private $propertyNameCollectionFactory;
  34.     private $propertyMetadataFactory;
  35.     private $propertyAccessor;
  37.     public function __construct(PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, PropertyMetadataFactoryInterface $propertyMetadataFactory, PropertyAccessorInterface $propertyAccessor = null, ResourceClassResolverInterface $resourceClassResolver = null, bool $metadataBackwardCompatibilityLayer = null)
  38.     {
  39.         $this->propertyNameCollectionFactory = $propertyNameCollectionFactory;
  40.         $this->propertyMetadataFactory = $propertyMetadataFactory;
  41.         $this->propertyAccessor = $propertyAccessor ?? PropertyAccess::createPropertyAccessor();
  42.         $this->resourceClassResolver = $resourceClassResolver;
  44.         if (null === $this->resourceClassResolver) {
  45.             @trigger_error(sprintf('Not injecting %s in the IdentifiersExtractor might introduce cache issues with object identifiers.', ResourceClassResolverInterface::class), \E_USER_DEPRECATED);
  46.         }
  48.         if ($metadataBackwardCompatibilityLayer) {
  49.             trigger_deprecation('api-platform/core', '2.7', sprintf('The service "%s" is deprecated, use %s instead.', self::class, NewIdentifiersExtractor::class));
  50.         }
  51.     }
  53.     /**
  54.      * {@inheritdoc}
  55.      */
  56.     public function getIdentifiersFromResourceClass(string $resourceClass): array
  57.     {
  58.         $identifiers = [];
  59.         foreach ($properties = $this->propertyNameCollectionFactory->create($resourceClass) as $property) {
  60.             if ($this->propertyMetadataFactory->create($resourceClass, $property)->isIdentifier() ?? false) {
  61.                 $identifiers[] = $property;
  62.             }
  63.         }
  65.         if (!$identifiers) {
  66.             if (\in_array('id', iterator_to_array($properties), true)) {
  67.                 return ['id'];
  68.             }
  70.             throw new RuntimeException(sprintf('No identifier defined in "%s". You should add #[\ApiPlatform\Core\Annotation\ApiProperty(identifier: true)]" on the property identifying the resource."', $resourceClass));
  71.         }
  73.         return $identifiers;
  74.     }
  76.     /**
  77.      * {@inheritdoc}
  78.      */
  79.     public function getIdentifiersFromItem($item): array
  80.     {
  81.         $identifiers = [];
  82.         $resourceClass = $this->getResourceClass($item, true);
  83.         $identifierProperties = $this->getIdentifiersFromResourceClass($resourceClass);
  85.         foreach ($this->propertyNameCollectionFactory->create($resourceClass) as $propertyName) {
  86.             if (!\in_array($propertyName, $identifierProperties, true)) {
  87.                 continue;
  88.             }
  90.             $propertyMetadata = $this->propertyMetadataFactory->create($resourceClass, $propertyName);
  91.             $identifier = $identifiers[$propertyName] = $this->propertyAccessor->getValue($item, $propertyName);
  93.             if (!\is_object($identifier)) {
  94.                 continue;
  95.             }
  97.             if (null === $relatedResourceClass = $this->getResourceClass($identifier)) {
  98.                 continue;
  99.             }
  101.             $relatedItem = $identifier;
  102.             unset($identifiers[$propertyName]);
  103.             foreach ($this->propertyNameCollectionFactory->create($relatedResourceClass) as $relatedPropertyName) {
  104.                 $propertyMetadata = $this->propertyMetadataFactory->create($relatedResourceClass, $relatedPropertyName);
  105.                 if ($propertyMetadata->isIdentifier()) {
  106.                     if (isset($identifiers[$propertyName])) {
  107.                         throw new RuntimeException(sprintf('Composite identifiers not supported in "%s" through relation "%s" of "%s" used as identifier', $relatedResourceClass, $propertyName, $resourceClass));
  108.                     }
  110.                     $identifiers[$propertyName] = $this->propertyAccessor->getValue($relatedItem, $relatedPropertyName);
  111.                 }
  112.             }
  114.             if (!isset($identifiers[$propertyName])) {
  115.                 throw new RuntimeException(sprintf('No identifier found in "%s" through relation "%s" of "%s" used as identifier', $relatedResourceClass, $propertyName, $resourceClass));
  116.             }
  117.         }
  119.         return $identifiers;
  120.     }
  121. }