MenuByName.php in GraphQL 8.3

Namespace

Drupal\graphql_core\Plugin\GraphQL\Fields\Menu

File

modules/graphql_core/src/Plugin/GraphQL/Fields/Menu/MenuByName.php

<?php

namespace Drupal\graphql_core\Plugin\GraphQL\Fields\Menu;

use Drupal\Core\DependencyInjection\DependencySerializationTrait;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\graphql\GraphQL\Execution\ResolveContext;
use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase;
use Drupal\system\MenuInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use GraphQL\Type\Definition\ResolveInfo;

/**
 * Retrieve a menu by it's name.
 *
 * @GraphQLField(
 *   id = "menu_by_name",
 *   secure = true,
 *   name = "menuByName",
 *   description = @Translation("Loads a menu by its machine-readable name."),
 *   type = "Menu",
 *   arguments = {
 *     "name" = "String!",
 *     "language" = "LanguageId"
 *   },
 *   contextual_arguments = {"language"},
 *   response_cache_contexts = {"languages:language_interface"}
 * )
 */
class MenuByName extends FieldPluginBase implements ContainerFactoryPluginInterface {
  use DependencySerializationTrait;

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

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $pluginId, $pluginDefinition) {
    return new static($configuration, $pluginId, $pluginDefinition, $container
      ->get('entity_type.manager'));
  }

  /**
   * MenuByName constructor.
   *
   * @param array $configuration
   *   The plugin configuration array.
   * @param string $pluginId
   *   The plugin id.
   * @param mixed $pluginDefinition
   *   The plugin definition.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager service.
   */
  public function __construct(array $configuration, $pluginId, $pluginDefinition, EntityTypeManagerInterface $entityTypeManager) {
    parent::__construct($configuration, $pluginId, $pluginDefinition);
    $this->entityTypeManager = $entityTypeManager;
  }

  /**
   * {@inheritdoc}
   */
  public function resolveValues($value, array $args, ResolveContext $context, ResolveInfo $info) {
    $entity = $this->entityTypeManager
      ->getStorage('menu')
      ->load($args['name']);
    if ($entity instanceof MenuInterface) {
      (yield $entity);
    }
  }

}

Classes

Name	Description
MenuByName	Retrieve a menu by it's name.