www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/rest/src/EventSubscriber/RestConfigSubscriber.php

   1 <?php
   2
   3 namespace Drupal\rest\EventSubscriber;
   4
   5 use Drupal\Core\Config\ConfigCrudEvent;
   6 use Drupal\Core\Config\ConfigEvents;
   7 use Drupal\Core\Routing\RouteBuilderInterface;
   8 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   9
  10 /**
  11  * A subscriber triggering a route rebuild when certain configuration changes.
  12  */
  13 class RestConfigSubscriber implements EventSubscriberInterface {
  14
  15   /**
  16    * The router builder.
  17    *
  18    * @var \Drupal\Core\Routing\RouteBuilderInterface
  19    */
  20   protected $routerBuilder;
  21
  22   /**
  23    * Constructs the RestConfigSubscriber.
  24    *
  25    * @param \Drupal\Core\Routing\RouteBuilderInterface $router_builder
  26    *   The router builder service.
  27    */
  28   public function __construct(RouteBuilderInterface $router_builder) {
  29     $this->routerBuilder = $router_builder;
  30   }
  31
  32   /**
  33    * Informs the router builder a rebuild is needed when necessary.
  34    *
  35    * @param \Drupal\Core\Config\ConfigCrudEvent $event
  36    *   The Event to process.
  37    */
  38   public function onSave(ConfigCrudEvent $event) {
  39     $saved_config = $event->getConfig();
  40     // @see \Drupal\rest\Plugin\rest\resource\EntityResource::permissions()
  41     if ($saved_config->getName() === 'rest.settings' && $event->isChanged('bc_entity_resource_permissions')) {
  42       $this->routerBuilder->setRebuildNeeded();
  43     }
  44   }
  45
  46   /**
  47    * {@inheritdoc}
  48    */
  49   public static function getSubscribedEvents() {
  50     $events[ConfigEvents::SAVE][] = ['onSave'];
  51     return $events;
  52   }
  53
  54 }