EntityReferenceReverseDeriver.php in GraphQL 8.3

Namespace

Drupal\graphql_core\Plugin\Deriver\Fields

File

modules/graphql_core/src/Plugin/Deriver/Fields/EntityReferenceReverseDeriver.php

<?php

namespace Drupal\graphql_core\Plugin\Deriver\Fields;

use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\FieldableEntityInterface;
use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\TypedData\TypedDataManagerInterface;
use Drupal\graphql\Utility\StringHelper;
use Symfony\Component\DependencyInjection\ContainerInterface;
class EntityReferenceReverseDeriver extends DeriverBase implements ContainerDeriverInterface {
  use StringTranslationTrait;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * The typed data manager service.
   *
   * @var \Drupal\Core\TypedData\TypedDataManagerInterface
   */
  protected $typedDataManager;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, $basePluginId) {
    return new static($container
      ->get('entity_type.manager'), $container
      ->get('entity_field.manager'), $container
      ->get('typed_data_manager'));
  }

  /**
   * RawValueFieldItemDeriver constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entityFieldManager
   *   The entity field manager.
   * @param \Drupal\Core\TypedData\TypedDataManagerInterface $typedDataManager
   *   The typed data manager service.
   */
  public function __construct(EntityTypeManagerInterface $entityTypeManager, EntityFieldManagerInterface $entityFieldManager, TypedDataManagerInterface $typedDataManager) {
    $this->entityTypeManager = $entityTypeManager;
    $this->entityFieldManager = $entityFieldManager;
    $this->typedDataManager = $typedDataManager;
  }

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($basePluginDefinition) {
    foreach ($this->entityTypeManager
      ->getDefinitions() as $entityTypeId => $entityType) {
      $interfaces = class_implements($entityType
        ->getClass());
      if (!array_key_exists(FieldableEntityInterface::class, $interfaces)) {
        continue;
      }
      foreach ($this->entityFieldManager
        ->getFieldStorageDefinitions($entityTypeId) as $fieldDefinition) {
        if ($fieldDefinition
          ->getType() !== 'entity_reference' || !($targetTypeId = $fieldDefinition
          ->getSetting('target_type'))) {
          continue;
        }
        $tags = array_merge($fieldDefinition
          ->getCacheTags(), [
          'entity_field_info',
        ]);
        $contexts = $fieldDefinition
          ->getCacheContexts();
        $maxAge = $fieldDefinition
          ->getCacheMaxAge();
        $fieldName = $fieldDefinition
          ->getName();
        $derivative = [
          'parents' => [
            StringHelper::camelCase($targetTypeId),
          ],
          'name' => StringHelper::propCase('reverse', $fieldName, $entityTypeId),
          'description' => $this
            ->t('Reverse reference: @description', [
            '@description' => $fieldDefinition
              ->getDescription(),
          ]),
          'field' => $fieldName,
          'entity_type' => $entityTypeId,
          'schema_cache_tags' => $tags,
          'schema_cache_contexts' => $contexts,
          'schema_cache_max_age' => $maxAge,
        ] + $basePluginDefinition;

        /** @var \Drupal\Core\Entity\TypedData\EntityDataDefinitionInterface $definition */
        $this->derivatives["{$entityTypeId}-{$fieldName}"] = $derivative;
      }
    }
    return $this->derivatives;
  }

}

Classes

Name	Description
EntityReferenceReverseDeriver