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<?php |
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namespace Drupal\graphql_core\Plugin\GraphQL\Fields\Entity; |
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use Drupal\Core\Cache\CacheableMetadata; |
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use Drupal\Core\DependencyInjection\DependencySerializationTrait; |
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use Drupal\Core\Entity\EntityRepositoryInterface; |
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use Drupal\Core\Entity\EntityTypeManagerInterface; |
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use Drupal\Core\Plugin\ContainerFactoryPluginInterface; |
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use Drupal\graphql\GraphQL\Cache\CacheableValue; |
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use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Youshido\GraphQL\Execution\ResolveInfo; |
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/** |
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* Retrieve an entity by its id. |
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* |
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* @GraphQLField( |
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* id = "entity_by_id", |
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* secure = true, |
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* name = "entityById", |
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* nullable = true, |
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* multi = false, |
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* weight = -1, |
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* arguments = { |
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* "id" = "String" |
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* }, |
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* deriver = "Drupal\graphql_core\Plugin\Deriver\Fields\EntityByIdDeriver" |
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* ) |
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*/ |
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class EntityById extends FieldPluginBase implements ContainerFactoryPluginInterface { |
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use DependencySerializationTrait; |
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/** |
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* The entity type manager. |
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* |
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* @var \Drupal\Core\Entity\EntityTypeManagerInterface |
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*/ |
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protected $entityTypeManager; |
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/** |
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* The repository. |
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* |
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* @var \Drupal\Core\Entity\EntityRepositoryInterface |
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*/ |
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protected $entityRepository; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct(array $configuration, $pluginId, $pluginDefinition, EntityTypeManagerInterface $entityTypeManager, EntityRepositoryInterface $entityRepository) { |
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$this->entityTypeManager = $entityTypeManager; |
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$this->entityRepository = $entityRepository; |
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parent::__construct($configuration, $pluginId, $pluginDefinition); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function create(ContainerInterface $container, array $configuration, $pluginId, $pluginDefinition) { |
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return new static( |
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$configuration, |
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$pluginId, |
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$pluginDefinition, |
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$container->get('entity_type.manager'), |
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$container->get('entity.repository') |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function resolve($value, array $args, ResolveInfo $info) { |
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$storage = $this->entityTypeManager->getStorage($this->pluginDefinition['entity_type']); |
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if ($entity = $storage->load($args['id'])) { |
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if ($entity->access('view')) { |
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if (isset($args['language']) && $args['language'] != $entity->language()->getId()) { |
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$entity = $this->entityRepository->getTranslationFromContext($entity, $args['language']); |
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} |
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return $entity; |
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} |
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// If the entity exists but we do not grant access to it, we still want |
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// to have it's cache metadata in the output because future changes to |
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// the entity might affect its visibility for the user. |
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return new CacheableValue(NULL, [$entity]); |
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} |
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// If there is no entity with this id, add the list cache tags so that the |
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// cache entry is purged whenever a new entity of this type is saved. |
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$pluginDefinition = $this->getPluginDefinition(); |
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$entityType = $this->entityTypeManager->getDefinition($pluginDefinition['entity_type']); |
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$metadata = new CacheableMetadata(); |
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$metadata->addCacheTags($entityType->getListCacheTags()); |
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return new CacheableValue(NULL, [$metadata]); |
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} |
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} |
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drupal-graphql /
graphql
