Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\rest\EventSubscriber;
Chris@0: 
Chris@0: use Drupal\Core\Config\ConfigCrudEvent;
Chris@0: use Drupal\Core\Config\ConfigEvents;
Chris@0: use Drupal\Core\Routing\RouteBuilderInterface;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * A subscriber triggering a route rebuild when certain configuration changes.
Chris@0:  */
Chris@0: class RestConfigSubscriber implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The router builder.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Routing\RouteBuilderInterface
Chris@0:    */
Chris@0:   protected $routerBuilder;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs the RestConfigSubscriber.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Routing\RouteBuilderInterface $router_builder
Chris@0:    *   The router builder service.
Chris@0:    */
Chris@0:   public function __construct(RouteBuilderInterface $router_builder) {
Chris@0:     $this->routerBuilder = $router_builder;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Informs the router builder a rebuild is needed when necessary.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Config\ConfigCrudEvent $event
Chris@0:    *   The Event to process.
Chris@0:    */
Chris@0:   public function onSave(ConfigCrudEvent $event) {
Chris@0:     $saved_config = $event->getConfig();
Chris@14:     // @see \Drupal\rest\Plugin\rest\resource\EntityResource::permissions()
Chris@0:     if ($saved_config->getName() === 'rest.settings' && $event->isChanged('bc_entity_resource_permissions')) {
Chris@0:       $this->routerBuilder->setRebuildNeeded();
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     $events[ConfigEvents::SAVE][] = ['onSave'];
Chris@0:     return $events;
Chris@0:   }
Chris@0: 
Chris@0: }