Chris@14: <?php
Chris@14: 
Chris@14: namespace Drupal\layout_builder\Routing;
Chris@14: 
Chris@14: use Drupal\Core\Routing\RouteBuildEvent;
Chris@14: use Drupal\Core\Routing\RoutingEvents;
Chris@14: use Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface;
Chris@14: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@14: 
Chris@14: /**
Chris@14:  * Provides routes for the Layout Builder UI.
Chris@14:  *
Chris@14:  * @internal
Chris@18:  *   Tagged services are internal.
Chris@14:  */
Chris@14: class LayoutBuilderRoutes implements EventSubscriberInterface {
Chris@14: 
Chris@14:   /**
Chris@14:    * The section storage manager.
Chris@14:    *
Chris@14:    * @var \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface
Chris@14:    */
Chris@14:   protected $sectionStorageManager;
Chris@14: 
Chris@14:   /**
Chris@14:    * Constructs a new LayoutBuilderRoutes.
Chris@14:    *
Chris@14:    * @param \Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface $section_storage_manager
Chris@14:    *   The section storage manager.
Chris@14:    */
Chris@14:   public function __construct(SectionStorageManagerInterface $section_storage_manager) {
Chris@14:     $this->sectionStorageManager = $section_storage_manager;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * Alters existing routes for a specific collection.
Chris@14:    *
Chris@14:    * @param \Drupal\Core\Routing\RouteBuildEvent $event
Chris@14:    *   The route build event.
Chris@14:    */
Chris@14:   public function onAlterRoutes(RouteBuildEvent $event) {
Chris@14:     $collection = $event->getRouteCollection();
Chris@14:     foreach ($this->sectionStorageManager->getDefinitions() as $plugin_id => $definition) {
Chris@14:       $this->sectionStorageManager->loadEmpty($plugin_id)->buildRoutes($collection);
Chris@14:     }
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * {@inheritdoc}
Chris@14:    */
Chris@14:   public static function getSubscribedEvents() {
Chris@14:     // Run after \Drupal\field_ui\Routing\RouteSubscriber.
Chris@14:     $events[RoutingEvents::ALTER] = ['onAlterRoutes', -110];
Chris@14:     return $events;
Chris@14:   }
Chris@14: 
Chris@14: }