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<?php |
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namespace Drupal\graphql_core\Plugin\GraphQL\Fields\EntityQuery; |
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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\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 a list of entities through an entity query. |
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* |
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* @GraphQLField( |
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* id = "entity_query", |
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* secure = true, |
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* name = "entityQuery", |
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* type = "EntityQueryResult", |
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* nullable = false, |
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* weight = -1, |
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* arguments = { |
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* "offset" = { |
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* "type" = "Int", |
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* "nullable" = true, |
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* "default" = 0 |
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* }, |
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* "limit" = { |
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* "type" = "Int", |
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* "nullable" = true, |
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* "default" = 10 |
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* } |
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* }, |
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* deriver = "Drupal\graphql_core\Plugin\Deriver\Fields\EntityQueryDeriver" |
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* ) |
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*/ |
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class EntityQuery 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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* {@inheritdoc} |
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*/ |
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public function __construct(array $configuration, $pluginId, $pluginDefinition, EntityTypeManagerInterface $entityTypeManager) { |
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$this->entityTypeManager = $entityTypeManager; |
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parent::__construct($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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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getCacheDependencies(array $result, $value, array $args, ResolveInfo $info) { |
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$entityTypeId = $this->pluginDefinition['entity_type']; |
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$type = $this->entityTypeManager->getDefinition($entityTypeId); |
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$metadata = new CacheableMetadata(); |
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$metadata->addCacheTags($type->getListCacheTags()); |
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$metadata->addCacheContexts($type->getListCacheContexts()); |
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return [$metadata]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function resolveValues($value, array $args, ResolveInfo $info) { |
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yield $this->getQuery($value, $args, $info); |
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} |
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/** |
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* Create an entity query for the plugin's entity type. |
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* |
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* @param mixed $value |
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* The parent entity type. |
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* @param array $args |
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* The field arguments array. |
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* @param \Youshido\GraphQL\Execution\ResolveInfo $info |
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* The resolve info object. |
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* |
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* @return \Drupal\Core\Entity\Query\QueryInterface |
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* The entity query object. |
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*/ |
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protected function getQuery($value, array $args, ResolveInfo $info) { |
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$entityTypeId = $this->pluginDefinition['entity_type']; |
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$entityStorage = $this->entityTypeManager->getStorage($entityTypeId); |
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$entityType = $this->entityTypeManager->getDefinition($entityTypeId); |
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$query = $entityStorage->getQuery(); |
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$query->range($args['offset'], $args['limit']); |
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$query->sort($entityType->getKey('id')); |
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if (!empty($args['filter'])) { |
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/** @var \Youshido\GraphQL\Type\Object\AbstractObjectType $filter */ |
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$filter = $info->getField()->getArgument('filter')->getType(); |
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/** @var \Drupal\graphql\GraphQL\Type\InputObjectType $filterType */ |
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$filterType = $filter->getNamedType(); |
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$filterFields = $filterType->getPlugin()->getPluginDefinition()['fields']; |
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foreach ($args['filter'] as $key => $arg) { |
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$query->condition($filterFields[$key]['field_name'], $arg); |
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} |
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} |
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return $query; |
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} |
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} |
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drupal-graphql /
graphql
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