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class EntityResource in CMS Content Sync 8

Same name and namespace in other branches
  1. 2.1.x src/Plugin/rest/resource/EntityResource.php \Drupal\cms_content_sync\Plugin\rest\resource\EntityResource
  2. 2.0.x src/Plugin/rest/resource/EntityResource.php \Drupal\cms_content_sync\Plugin\rest\resource\EntityResource

Provides entity interfaces for Content Sync, allowing Sync Core to request and manipulate entities.

Plugin annotation


@RestResource(
  id = "cms_content_sync_entity_resource",
  label = @Translation("Flow Entity Resource"),
  uri_paths = {
    "canonical" = "/rest/cms-content-sync/{api}/{entity_type}/{entity_bundle}/{entity_type_version}/{entity_uuid}",
    "create" = "/rest/cms-content-sync/{api}/{entity_type}/{entity_bundle}/{entity_type_version}"
  }
)

Hierarchy

Expanded class hierarchy of EntityResource

File

src/Plugin/rest/resource/EntityResource.php, line 36

Namespace

Drupal\cms_content_sync\Plugin\rest\resource
View source
class EntityResource extends ResourceBase {

  /**
   * @var int CODE_INVALID_DATA The provided data could not be interpreted
   */
  public const CODE_INVALID_DATA = 401;

  /**
   * @var int CODE_NOT_FOUND The entity doesn't exist or can't be accessed
   */
  public const CODE_NOT_FOUND = 404;

  /**
   * @var string TYPE_HAS_NOT_BEEN_FOUND
   *             The entity type doesn't exist or can't be accessed
   */
  public const TYPE_HAS_NOT_BEEN_FOUND = 'The entity type has not been found.';

  /**
   * @var string TYPE_HAS_INCOMPATIBLE_VERSION The version hashes are different
   */
  public const TYPE_HAS_INCOMPATIBLE_VERSION = 'The entity type has an incompatible version.';

  /**
   * @var string READ_LIST_ENTITY_ID
   *             "ID" used to perform list requests in the
   *             {@see EntityResource}. Should be refactored later.
   */
  public const READ_LIST_ENTITY_ID = '0';

  /**
   * @var string PING_PARAMETER
   */
  public const PING_PARAMETER = 'ping';

  /**
   * @var \Drupal\Core\Entity\EntityTypeBundleInfo
   */
  protected $entityTypeBundleInfo;

  /**
   * @var \Drupal\Core\Entity\EntityTypeManager
   */
  protected $entityTypeManager;

  /**
   * @var \Drupal\Core\Render\Renderer
   */
  protected $renderedManager;

  /**
   * @var \Drupal\Core\Entity\EntityRepositoryInterface
   */
  protected $entityRepository;

  /**
   * Constructs an object.
   *
   * @param array                                          $configuration
   *                                                                                A configuration array containing information about the plugin instance
   * @param string                                         $plugin_id
   *                                                                                The plugin_id for the plugin instance
   * @param mixed                                          $plugin_definition
   *                                                                                The plugin implementation definition
   * @param array                                          $serializer_formats
   *                                                                                The available serialization formats
   * @param \Psr\Log\LoggerInterface                       $logger
   *                                                                                A logger instance
   * @param \Drupal\Core\Entity\EntityTypeBundleInfo       $entity_type_bundle_info
   *                                                                                An entity type bundle info instance
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *                                                                                An entity type manager instance
   * @param \Drupal\Core\Render\Renderer                   $render_manager
   *                                                                                A rendered instance
   * @param \Drupal\Core\Entity\EntityRepositoryInterface  $entity_repository
   *                                                                                The entity repository interface
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, array $serializer_formats, LoggerInterface $logger, EntityTypeBundleInfo $entity_type_bundle_info, EntityTypeManagerInterface $entity_type_manager, Renderer $render_manager, EntityRepositoryInterface $entity_repository) {
    parent::__construct($configuration, $plugin_id, $plugin_definition, $serializer_formats, $logger);
    $this->entityTypeBundleInfo = $entity_type_bundle_info;
    $this->entityTypeManager = $entity_type_manager;
    $this->renderedManager = $render_manager;
    $this->entityRepository = $entity_repository;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->getParameter('serializer.formats'), $container
      ->get('logger.factory')
      ->get('rest'), $container
      ->get('entity_type.bundle.info'), $container
      ->get('entity_type.manager'), $container
      ->get('renderer'), $container
      ->get('entity.repository'));
  }

  /**
   * @param string $method
   *
   * @return string a URL the Sync Core can use to ping this site and check if all methods work (so inbound traffic
   *                is allowed from the Sync Core)
   */
  public static function getInternalPingUrl($method) {
    return DrupalApplication::get()
      ->getRestUrl(self::PING_PARAMETER, self::PING_PARAMETER, self::PING_PARAMETER, self::PING_PARAMETER, 'POST' === $method ? null : self::PING_PARAMETER);
  }

  /**
   * Responds to entity GET requests.
   *
   * @param string $entity_type
   *                              The name of an entity type
   * @param string $entity_bundle
   *                              The name of an entity bundle
   * @param string $entity_uuid
   *                              The uuid of an entity
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\cms_content_sync\Exception\SyncException
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *                                                    A list of entities of the given type and bundle
   */
  public function get($entity_type, $entity_bundle, $entity_uuid) {
    return new ResourceResponse([
      'message' => t(self::TYPE_HAS_NOT_BEEN_FOUND)
        ->render(),
    ], self::CODE_NOT_FOUND);
  }

  /**
   * Responds to entity PATCH requests.
   *
   * @param string $api
   *                                    The used content sync api
   * @param string $entity_type
   *                                    The name of an entity type
   * @param string $entity_bundle
   *                                    The name of an entity bundle
   * @param string $entity_type_version
   *                                    The version of the entity type to compare ours against
   * @param string $entity_uuid
   *                                    The uuid of an entity
   * @param array  $data
   *                                    The data to be stored in the entity
   *
   * @throws \Drupal\cms_content_sync\Exception\SyncException
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *                                                    A list of entities of the given type and bundle
   */
  public function patch($api, $entity_type, $entity_bundle, $entity_type_version, $entity_uuid, array $data) {
    return $this
      ->handleIncomingEntity($api, $entity_type, $entity_bundle, $entity_type_version, $data, SyncIntent::ACTION_UPDATE);
  }

  /**
   * Responds to entity DELETE requests.
   *
   * @param string $api
   *                                    The used content sync api
   * @param string $entity_type
   *                                    The name of an entity type
   * @param string $entity_bundle
   *                                    The name of an entity bundle
   * @param string $entity_type_version
   *                                    The version of the entity type
   * @param string $entity_uuid
   *                                    The uuid of an entity
   *
   * @throws \Drupal\cms_content_sync\Exception\SyncException
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *                                                    A list of entities of the given type and bundle
   */
  public function delete($api, $entity_type, $entity_bundle, $entity_type_version, $entity_uuid) {
    return $this
      ->handleIncomingEntity($api, $entity_type, $entity_bundle, $entity_type_version, [
      'uuid' => $entity_uuid,
      'id' => $entity_uuid,
    ], SyncIntent::ACTION_DELETE);
  }

  /**
   * Responds to entity POST requests.
   *
   * @param string $api
   *                                    The used content sync api
   * @param string $entity_type
   *                                    The posted entity type
   * @param string $entity_bundle
   *                                    The name of an entity bundle
   * @param string $entity_type_version
   *                                    The version of the entity type
   * @param array  $data
   *                                    The data to be stored in the entity
   *
   * @throws \Drupal\cms_content_sync\Exception\SyncException
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *                                                    A list of entities of the given type and bundle
   */
  public function post($api, $entity_type, $entity_bundle, $entity_type_version, array $data) {
    return $this
      ->handleIncomingEntity($api, $entity_type, $entity_bundle, $entity_type_version, $data, SyncIntent::ACTION_CREATE);
  }

  /**
   * Save that the pull for the given entity failed.
   *
   * @param string $pool_id
   *                        The Pool ID
   * @param $entity_type
   *   The Entity Type ID
   * @param $entity_bundle
   *   The bundle name
   * @param $entity_type_version
   *   The requested entity type version
   * @param $entity_uuid
   *   The entity UUID
   * @param $failure_reason
   * @param $action
   * @param $reason
   * @param null $flow_id
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   * @throws \Drupal\Core\Entity\EntityStorageException
   */
  protected function saveFailedPull($pool_id, $entity_type, $entity_bundle, $entity_type_version, $entity_uuid, $failure_reason, $action, $reason, $flow_id = null) {
    $entity_status = EntityStatus::getInfoForEntity($entity_type, $entity_uuid, $flow_id, $pool_id);
    if (!$entity_status) {
      $entity_status = EntityStatus::create([
        'flow' => $flow_id ? $flow_id : EntityStatus::FLOW_NO_FLOW,
        'pool' => $pool_id,
        'entity_type' => $entity_type,
        'entity_uuid' => $entity_uuid,
        'entity_type_version' => $entity_type_version,
        'flags' => 0,
        'source_url' => null,
      ]);
    }
    $soft_fails = [
      PullIntent::PULL_FAILED_UNKNOWN_POOL,
      PullIntent::PULL_FAILED_NO_FLOW,
      PullIntent::PULL_FAILED_HANDLER_DENIED,
    ];
    $soft = in_array($failure_reason, $soft_fails);
    $entity_status
      ->didPullFail(true, $soft, [
      'error' => $failure_reason,
      'action' => $action,
      'reason' => $reason,
      'bundle' => $entity_bundle,
    ]);
    $entity_status
      ->save();
  }

  /**
   * @param string $api
   *                                    The API {@see Flow}
   * @param string $entity_type_name
   *                                    The entity type of the processed entity
   * @param string $entity_bundle
   *                                    The bundle of the processed entity
   * @param string $entity_type_version
   *                                    The version the config was saved for
   * @param array  $data
   *                                    For {@see ::ACTION_CREATE} and
   *                                    {@see ::ACTION_UPDATE}: the data for the entity. Will
   *                                    be passed to {@see SyncIntent}.
   * @param string $action
   *                                    The {@see ::ACTION_*} to be performed on the entity
   *
   * @throws \Drupal\cms_content_sync\Exception\SyncException
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   * @throws \Drupal\Core\Entity\EntityStorageException
   *
   * @return \Symfony\Component\HttpFoundation\Response the result (error,
   *                                                    ignorance or success)
   */
  private function handleIncomingEntity($api, $entity_type_name, $entity_bundle, $entity_type_version, array $data, $action) {
    if (self::PING_PARAMETER === $api) {
      return new ResourceResponse(SyncIntent::ACTION_DELETE === $action ? null : [
        'pong' => true,
      ]);
    }
    $entity_types = $this->entityTypeBundleInfo
      ->getAllBundleInfo();
    if (empty($entity_types[$entity_type_name])) {
      return new ResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : [
        'message' => t(self::TYPE_HAS_NOT_BEEN_FOUND)
          ->render(),
      ], self::CODE_NOT_FOUND);
    }
    $is_dependency = isset($_GET['is_dependency']) && 'true' == $_GET['is_dependency'];
    $is_manual = isset($_GET['is_manual']) && 'true' == $_GET['is_manual'];
    $reason = $is_dependency ? PullIntent::PULL_AS_DEPENDENCY : ($is_manual ? PullIntent::PULL_MANUALLY : PullIntent::PULL_AUTOMATICALLY);
    $entity_uuid = null;
    $pool = Pool::getAll()[$api];
    if (empty($pool)) {
      \Drupal::logger('cms_content_sync')
        ->warning('@not PULL @action @entity_type:@bundle @uuid @reason: @message<br>Flow: @flow_id', [
        '@reason' => $reason,
        '@action' => $action,
        '@entity_type' => $entity_type_name,
        '@bundle' => $entity_bundle,
        '@uuid' => $entity_uuid,
        '@not' => 'NO',
        '@flow_id' => $api,
        '@message' => t('No pool config matches this request (@api).', [
          '@api' => $api,
        ])
          ->render(),
      ]);
      $this
        ->saveFailedPull($api, $entity_type_name, $entity_bundle, $entity_type_version, $entity_uuid, PullIntent::PULL_FAILED_UNKNOWN_POOL, $action, $reason);
      return new ResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : [
        'message' => t(self::TYPE_HAS_NOT_BEEN_FOUND)
          ->render(),
      ], self::CODE_NOT_FOUND);
    }
    $flow = Flow::getFlowForApiAndEntityType($pool, $entity_type_name, $entity_bundle, $reason, $action);

    // Deletion requests will not provide the "is_dependency" query parameter.
    if (empty($flow) && SyncIntent::ACTION_DELETE == $action && PullIntent::PULL_AS_DEPENDENCY != $reason) {
      $flow = Flow::getFlowForApiAndEntityType($pool, $entity_type_name, $entity_bundle, PullIntent::PULL_AS_DEPENDENCY, $action);
      if (!empty($flow)) {
        $reason = PullIntent::PULL_AS_DEPENDENCY;
      }
    }
    if (empty($flow)) {
      \Drupal::logger('cms_content_sync')
        ->notice('@not PULL @action @entity_type:@bundle @uuid @reason: @message', [
        '@reason' => $reason,
        '@action' => $action,
        '@entity_type' => $entity_type_name,
        '@bundle' => $entity_bundle,
        '@uuid' => $entity_uuid,
        '@not' => 'NO',
        '@message' => t('No synchronization config matches this request (dependency: @dependency, manual: @manual).', [
          '@dependency' => $is_dependency ? 'YES' : 'NO',
          '@manual' => $is_manual ? 'YES' : 'NO',
        ])
          ->render(),
      ]);
      $this
        ->saveFailedPull($api, $entity_type_name, $entity_bundle, $entity_type_version, $entity_uuid, PullIntent::PULL_FAILED_NO_FLOW, $action, $reason);
      return new ResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : [
        'message' => t(self::TYPE_HAS_NOT_BEEN_FOUND)
          ->render(),
      ], self::CODE_NOT_FOUND);
    }
    $operation = $pool
      ->getClient()
      ->getSyndicationService()
      ->handlePull($flow->id, $entity_type_name, $entity_bundle, $data);

    // DELETE requests only give the ID of the config, not their UUID. So we need to grab the UUID from our local
    // database before continuing.
    if (SyncIntent::ACTION_DELETE === $action && EntityHandlerPluginManager::isEntityTypeConfiguration($entity_type_name)) {
      $entity_uuid = \Drupal::entityTypeManager()
        ->getStorage($entity_type_name)
        ->load($operation
        ->getId())
        ->uuid();
    }
    else {
      $entity_uuid = $operation
        ->getUuid();
    }
    $local_version = Flow::getEntityTypeVersion($entity_type_name, $entity_bundle);

    // Allow DELETE requests- when an entity is deleted, the entity type definition may have changed in the meantime
    // but this doesn't prevent us from deleting it. The version is only important for creations and updates.
    if ($entity_type_version != $local_version && SyncIntent::ACTION_DELETE != $action) {
      \Drupal::logger('cms_content_sync')
        ->warning('@not PULL @action @entity_type:@bundle @uuid @reason: @message<br>Flow: @flow_id | Pool: @pool_id', [
        '@reason' => $reason,
        '@action' => $action,
        '@entity_type' => $entity_type_name,
        '@bundle' => $entity_bundle,
        '@uuid' => $entity_uuid,
        '@not' => 'NO',
        '@flow_id' => $api,
        '@pool_id' => $pool
          ->id(),
        '@message' => t('The requested entity type version @requested doesn\'t match the local entity type version @local.', [
          '@requested' => $entity_type_version,
          '@local' => $local_version,
        ])
          ->render(),
      ]);
      $this
        ->saveFailedPull($api, $entity_type_name, $entity_bundle, $entity_type_version, $entity_uuid, PullIntent::PULL_FAILED_DIFFERENT_VERSION, $action, $reason, $flow->id);
      return new ResourceResponse([
        'message' => t(self::TYPE_HAS_INCOMPATIBLE_VERSION)
          ->render(),
      ], self::CODE_NOT_FOUND);
    }
    try {
      $intent = new PullIntent($flow, $pool, $reason, $action, $entity_type_name, $entity_bundle, $operation);
      $status = $intent
        ->execute();
    } catch (SyncException $e) {
      $message = $e->parentException ? $e->parentException
        ->getMessage() : ($e->errorCode == $e
        ->getMessage() ? '' : $e
        ->getMessage());
      if ($message) {
        $message = t('Internal error @code: @message', [
          '@code' => $e->errorCode,
          '@message' => $message,
        ])
          ->render();
      }
      else {
        $message = t('Internal error @code', [
          '@code' => $e->errorCode,
        ])
          ->render();
      }
      \Drupal::logger('cms_content_sync')
        ->error('@not PULL @action @entity_type:@bundle @uuid @reason: @message' . "\n" . '@trace' . "\n" . '@request_body<br>Flow: @flow_id | Pool: @pool_id', [
        '@reason' => $reason,
        '@action' => $action,
        '@entity_type' => $entity_type_name,
        '@bundle' => $entity_bundle,
        '@uuid' => $entity_uuid,
        '@not' => 'NO',
        '@flow_id' => $api,
        '@pool_id' => $pool
          ->id(),
        '@message' => $message,
        '@trace' => ($e->parentException ? $e->parentException
          ->getTraceAsString() . "\n\n\n" : '') . $e
          ->getTraceAsString(),
        '@request_body' => json_encode($data),
      ]);
      $this
        ->saveFailedPull($api, $entity_type_name, $entity_bundle, $entity_type_version, $entity_uuid, PullIntent::PULL_FAILED_CONTENT_SYNC_ERROR, $action, $reason, $flow->id);
      return new ResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : [
        'message' => t('SyncException @code: @message', [
          '@code' => $e->errorCode,
          '@message' => $e
            ->getMessage(),
        ])
          ->render(),
        'code' => $e->errorCode,
      ], 500);
    } catch (\Exception $e) {
      $message = $e
        ->getMessage();
      \Drupal::logger('cms_content_sync')
        ->error('@not PULL @action @entity_type:@bundle @uuid @reason: @message' . "\n" . '@trace' . "\n" . '@request_body<br>Flow: @flow_id | Pool: @pool_id', [
        '@reason' => $reason,
        '@action' => $action,
        '@entity_type' => $entity_type_name,
        '@bundle' => $entity_bundle,
        '@uuid' => $entity_uuid,
        '@not' => 'NO',
        '@flow_id' => $api,
        '@pool_id' => $pool
          ->id(),
        '@message' => $message,
        '@trace' => $e
          ->getTraceAsString(),
        '@request_body' => json_encode($data),
      ]);
      $this
        ->saveFailedPull($api, $entity_type_name, $entity_bundle, $entity_type_version, $entity_uuid, PullIntent::PULL_FAILED_INTERNAL_ERROR, $action, $reason, $flow->id);
      return new ResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : [
        'message' => t('Unexpected error: @message', [
          '@message' => $e
            ->getMessage(),
        ])
          ->render(),
      ], 500);
    }
    if (!$status) {
      $this
        ->saveFailedPull($api, $entity_type_name, $entity_bundle, $entity_type_version, $entity_uuid, PullIntent::PULL_FAILED_HANDLER_DENIED, $action, $reason, $flow->id);
    }
    if ($status) {
      $entity = $intent
        ->getEntity();
      $url = null;
      if ($entity && $entity
        ->hasLinkTemplate('canonical')) {
        try {
          $url = $entity
            ->toUrl('canonical', [
            'absolute' => true,
          ])
            ->toString(true)
            ->getGeneratedUrl();
        } catch (\Exception $e) {
          throw new SyncException(SyncException::CODE_UNEXPECTED_EXCEPTION, $e);
        }
      }
      $response_body = $operation
        ->getResponseBody($url);

      // If we send data for DELETE requests, the Drupal Serializer will throw
      // a random error. So we just leave the body empty then.
      return new ModifiedResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : $response_body);
    }
    return new ResourceResponse(SyncIntent::ACTION_DELETE == $action ? null : [
      'message' => t('Entity is not configured to be pulled yet.')
        ->render(),
    ], 404);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
EntityResource::$entityRepository protected property
EntityResource::$entityTypeBundleInfo protected property
EntityResource::$entityTypeManager protected property
EntityResource::$renderedManager protected property
EntityResource::CODE_INVALID_DATA public constant
EntityResource::CODE_NOT_FOUND public constant
EntityResource::create public static function Creates an instance of the plugin. Overrides ResourceBase::create
EntityResource::delete public function Responds to entity DELETE requests.
EntityResource::get public function Responds to entity GET requests.
EntityResource::getInternalPingUrl public static function
EntityResource::handleIncomingEntity private function
EntityResource::patch public function Responds to entity PATCH requests.
EntityResource::PING_PARAMETER public constant
EntityResource::post public function Responds to entity POST requests.
EntityResource::READ_LIST_ENTITY_ID public constant "ID" used to perform list requests in the {
EntityResource::saveFailedPull protected function Save that the pull for the given entity failed.
EntityResource::TYPE_HAS_INCOMPATIBLE_VERSION public constant
EntityResource::TYPE_HAS_NOT_BEEN_FOUND public constant The entity type doesn't exist or can't be accessed
EntityResource::__construct public function Constructs an object. Overrides ResourceBase::__construct
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
ResourceBase::$logger protected property A logger instance.
ResourceBase::$serializerFormats protected property The available serialization formats.
ResourceBase::availableMethods public function Returns the available HTTP request methods on this plugin. Overrides ResourceInterface::availableMethods 1
ResourceBase::getBaseRoute protected function Gets the base route for a particular method. 2
ResourceBase::getBaseRouteRequirements protected function Gets the base route requirements for a particular method. 1
ResourceBase::permissions public function Implements ResourceInterface::permissions(). Overrides ResourceInterface::permissions 2
ResourceBase::requestMethods protected function Provides predefined HTTP request methods.
ResourceBase::routes public function Returns a collection of routes with URL path information for the resource. Overrides ResourceInterface::routes
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.