class RegistrationWaitListSubscriber in RNG - Events and Registrations 8.2

Class RegistrationWaitListSubscriber.

Hierarchy

• class \Drupal\rng\EventSubscriber\RegistrationWaitListSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface uses StringTranslationTrait

File

src/EventSubscriber/RegistrationWaitlistSubscriber.php, line 15

Namespace

Drupal\rng\EventSubscriber

class RegistrationWaitListSubscriber implements EventSubscriberInterface {
  use StringTranslationTrait;

  /**
   * Drupal\rng\EventManagerInterface definition.
   *
   * @var \Drupal\rng\EventManagerInterface
   */
  protected $rngEventManager;

  /**
   * The messenger server.
   *
   * @var \Drupal\Core\Messenger\MessengerInterface
   */
  protected $messenger;

  /**
   * RegistrationWaitListSubscriber constructor.
   *
   * @param \Drupal\rng\EventManagerInterface $rng_event_manager
   *   The event manager.
   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
   *   The messenger service.
   */
  public function __construct(EventManagerInterface $rng_event_manager, MessengerInterface $messenger) {
    $this->rngEventManager = $rng_event_manager;
    $this->messenger = $messenger;
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[RegistrationEvents::REGISTRATION_INSERT] = [
      'onRegistrationInsert',
      -1,
    ];
    return $events;
  }

  /**
   * Notify the user if they are added to a wait list.
   *
   * @param \Drupal\rng\Event\RegistrationEvent $event
   *   The event.
   *
   * @throws \Drupal\rng\Exception\InvalidEventException
   */
  public function onRegistrationInsert(RegistrationEvent $event) {
    $meta = $this->rngEventManager
      ->getMeta($event
      ->getRegistration()
      ->getEvent());
    if ($meta
      ->allowWaitList() && $meta
      ->getCapacity() - $meta
      ->countRegistrations() < 0) {
      $this->messenger
        ->addStatus($this
        ->t('Registration is at its capacity. You have been added to a waiting list.'));
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
RegistrationWaitListSubscriber::$messenger	protected	property	The messenger server.
RegistrationWaitListSubscriber::$rngEventManager	protected	property	Drupal\rng\EventManagerInterface definition.
RegistrationWaitListSubscriber::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
RegistrationWaitListSubscriber::onRegistrationInsert	public	function	Notify the user if they are added to a wait list.
RegistrationWaitListSubscriber::__construct	public	function	RegistrationWaitListSubscriber constructor.
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.