You are here

class Controller in Schemata 8

Contains callback methods for dynamic routes.

Hierarchy

Expanded class hierarchy of Controller

File

src/Controller/Controller.php, line 17

Namespace

Drupal\schemata\Controller
View source
class Controller extends ControllerBase {

  /**
   * The serializer service.
   *
   * @var \Symfony\Component\Serializer\SerializerInterface
   */
  protected $serializer;

  /**
   * The schema factory.
   *
   * @var \Drupal\schemata\SchemaFactory
   */
  protected $schemaFactory;

  /**
   * The cacheable response.
   *
   * @var \Drupal\Core\Cache\CacheableResponseInterface
   */
  protected $response;

  /**
   * Controller constructor.
   *
   * @param \Symfony\Component\Serializer\SerializerInterface $serializer
   *   The serializer service.
   * @param \Drupal\schemata\SchemaFactory $schema_factory
   *   The schema factory.
   * @param \Drupal\Core\Cache\CacheableResponseInterface $response
   *   The cacheable response.
   */
  public function __construct(SerializerInterface $serializer, SchemaFactory $schema_factory, CacheableResponseInterface $response) {
    $this->serializer = $serializer;
    $this->schemaFactory = $schema_factory;
    $this->response = $response;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('serializer'), $container
      ->get('schemata.schema_factory'), new CacheableResponse());
  }

  /**
   * Serializes a entity type or bundle definition.
   *
   * We have 2 different data formats involved. One is the schema format (for
   * instance JSON Schema) and the other one is the format that the schema is
   * describing (for instance jsonapi, json, hal+json, …). We need to provide
   * both formats. Something like: ?_format=schema_json&_describes=api_json.
   *
   * @param string $entity_type_id
   *   The entity type ID to describe.
   * @param string $bundle
   *   The (optional) bundle to describe.
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return \Drupal\Core\Cache\CacheableResponse
   *   The response object.
   */
  public function serialize($entity_type_id, Request $request, $bundle = NULL) {
    $parts = $this
      ->extractFormatNames($request);

    // Load the data to serialize from the route information on the current
    // request.
    $schema = $this->schemaFactory
      ->create($entity_type_id, $bundle);

    // Serialize the entity type/bundle definition.
    $format = implode(':', $parts);
    $content = $this->serializer
      ->serialize($schema, $format);

    // Finally, set the contents of the response and return it.
    $this->response
      ->addCacheableDependency($schema);
    $cacheable_dependency = (new CacheableMetadata())
      ->addCacheContexts([
      'url.query_args:_describes',
    ]);
    $this->response
      ->addCacheableDependency($cacheable_dependency);
    $this->response
      ->setContent($content);
    $this->response->headers
      ->set('Content-Type', $request
      ->getMimeType($parts[0]));
    return $this->response;
  }

  /**
   * Helper function that inspects the request to extract the formats.
   *
   * Extracts the format of the response and media type being described.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return array
   *   An array containing the format of the output and the media type being
   *   described.
   */
  protected function extractFormatNames(Request $request) {
    return [
      $request
        ->getRequestFormat(),
      $request->query
        ->get('_describes', ''),
    ];
  }

}

Members

Namesort descending Modifiers Type Description Overrides
Controller::$response protected property The cacheable response.
Controller::$schemaFactory protected property The schema factory.
Controller::$serializer protected property The serializer service.
Controller::create public static function Instantiates a new instance of this class. Overrides ControllerBase::create
Controller::extractFormatNames protected function Helper function that inspects the request to extract the formats.
Controller::serialize public function Serializes a entity type or bundle definition.
Controller::__construct public function Controller constructor.
ControllerBase::$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::$stateService protected property The state service.
ControllerBase::cache protected function Returns the requested cache bin.
ControllerBase::config protected function Retrieves a configuration object.
ControllerBase::container private function Returns the service container.
ControllerBase::currentUser protected function Returns the current user. 1
ControllerBase::entityFormBuilder protected function Retrieves the entity form builder.
ControllerBase::entityManager Deprecated protected function Retrieves the entity manager service.
ControllerBase::entityTypeManager protected function Retrieves the entity type manager.
ControllerBase::formBuilder protected function Returns the form builder service. 2
ControllerBase::keyValue protected function Returns a key/value storage collection. 1
ControllerBase::languageManager protected function Returns the language manager service. 1
ControllerBase::moduleHandler protected function Returns the module handler. 2
ControllerBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
ControllerBase::state protected function Returns the state storage service.
LinkGeneratorTrait::$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.