class EntityTestController in Drupal 8

Controller routines for entity_test routes.

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\entity_test\Controller\EntityTestController

File

core/modules/system/tests/modules/entity_test/src/Controller/EntityTestController.php, line 11

Namespace

Drupal\entity_test\Controller

class EntityTestController extends ControllerBase {

  /**
   * Returns an empty page.
   *
   * @see \Drupal\entity_test\Routing\EntityTestRoutes::routes()
   */
  public function testAdmin() {
    return [];
  }

  /**
   * List entity_test entities referencing the given entity.
   *
   * @param string $entity_reference_field_name
   *   The name of the entity_reference field to use in the query.
   * @param string $referenced_entity_type
   *   The type of the entity being referenced.
   * @param int $referenced_entity_id
   *   The ID of the entity being referenced.
   *
   * @return array
   *   A renderable array.
   */
  public function listReferencingEntities($entity_reference_field_name, $referenced_entity_type, $referenced_entity_id) {

    // Early return if the referenced entity does not exist (or is deleted).
    $referenced_entity = $this
      ->entityTypeManager()
      ->getStorage($referenced_entity_type)
      ->load($referenced_entity_id);
    if ($referenced_entity === NULL) {
      return [];
    }
    $query = $this
      ->entityTypeManager()
      ->getStorage('entity_test')
      ->getQuery()
      ->condition($entity_reference_field_name . '.target_id', $referenced_entity_id);
    $entities = $this
      ->entityTypeManager()
      ->getStorage('entity_test')
      ->loadMultiple($query
      ->execute());
    return $this
      ->entityTypeManager()
      ->getViewBuilder('entity_test')
      ->viewMultiple($entities, 'full');
  }

  /**
   * List entities of the given entity type labels, sorted alphabetically.
   *
   * @param string $entity_type_id
   *   The type of the entity being listed.
   *
   * @return array
   *   A renderable array.
   */
  public function listEntitiesAlphabetically($entity_type_id) {
    $entity_type_definition = $this
      ->entityTypeManager()
      ->getDefinition($entity_type_id);
    $query = $this
      ->entityTypeManager()
      ->getStorage($entity_type_id)
      ->getQuery();

    // Sort by label field, if any.
    if ($label_field = $entity_type_definition
      ->getKey('label')) {
      $query
        ->sort($label_field);
    }
    $entities = $this
      ->entityTypeManager()
      ->getStorage($entity_type_id)
      ->loadMultiple($query
      ->execute());
    $cache_tags = [];
    $labels = [];
    foreach ($entities as $entity) {
      $labels[] = $entity
        ->label();
      $cache_tags = Cache::mergeTags($cache_tags, $entity
        ->getCacheTags());
    }

    // Always associate the list cache tag, otherwise the cached empty result
    // wouldn't be invalidated. This would continue to show nothing matches the
    // query, even though a newly created entity might match the query.
    $cache_tags = Cache::mergeTags($cache_tags, $entity_type_definition
      ->getListCacheTags());
    return [
      '#theme' => 'item_list',
      '#items' => $labels,
      '#title' => $entity_type_id . ' entities',
      '#cache' => [
        'contexts' => $entity_type_definition
          ->getListCacheContexts(),
        'tags' => $cache_tags,
      ],
    ];
  }

  /**
   * Empty list of entities of the given entity type.
   *
   * Empty because no entities match the query. That may seem contrived, but it
   * is an excellent way for testing whether an entity's list cache tags are
   * working as expected.
   *
   * @param string $entity_type_id
   *   The type of the entity being listed.
   *
   * @return array
   *   A renderable array.
   */
  public function listEntitiesEmpty($entity_type_id) {
    $entity_type_definition = $this
      ->entityTypeManager()
      ->getDefinition($entity_type_id);
    return [
      '#theme' => 'item_list',
      '#items' => [],
      '#cache' => [
        'contexts' => $entity_type_definition
          ->getListCacheContexts(),
        'tags' => $entity_type_definition
          ->getListCacheTags(),
      ],
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	1
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityManager	protected	property	The entity manager.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	2
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	2
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	40
ControllerBase::currentUser	protected	function	Returns the current user.	1
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityManager Deprecated	protected	function	Retrieves the entity manager service.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	2
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	2
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state	protected	function	Returns the state storage service.
EntityTestController::listEntitiesAlphabetically	public	function	List entities of the given entity type labels, sorted alphabetically.
EntityTestController::listEntitiesEmpty	public	function	Empty list of entities of the given entity type.
EntityTestController::listReferencingEntities	public	function	List entity_test entities referencing the given entity.
EntityTestController::testAdmin	public	function	Returns an empty page.
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.