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- <?php
- namespace Drupal\Core\EventSubscriber;
- use Drupal\Core\Entity\EntityManagerInterface;
- use Drupal\Core\Routing\RouteBuildEvent;
- use Drupal\Core\Routing\RoutingEvents;
- use Symfony\Component\EventDispatcher\EventSubscriberInterface;
- use Symfony\Component\Routing\RouteCollection;
- /**
- * Ensures that routes can be provided by entity types.
- */
- class EntityRouteProviderSubscriber implements EventSubscriberInterface {
- /**
- * The entity manager.
- *
- * @var \Drupal\Core\Entity\EntityManagerInterface
- */
- protected $entityManager;
- /**
- * Constructs a new EntityRouteProviderSubscriber instance.
- *
- * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
- * The entity manager.
- */
- public function __construct(EntityManagerInterface $entity_manager) {
- $this->entityManager = $entity_manager;
- }
- /**
- * Provides routes on route rebuild time.
- *
- * @param \Drupal\Core\Routing\RouteBuildEvent $event
- * The route build event.
- */
- public function onDynamicRouteEvent(RouteBuildEvent $event) {
- $route_collection = $event->getRouteCollection();
- foreach ($this->entityManager->getDefinitions() as $entity_type) {
- if ($entity_type->hasRouteProviders()) {
- foreach ($this->entityManager->getRouteProviders($entity_type->id()) as $route_provider) {
- // Allow to both return an array of routes or a route collection,
- // like route_callbacks in the routing.yml file.
- $routes = $route_provider->getRoutes($entity_type);
- if ($routes instanceof RouteCollection) {
- $routes = $routes->all();
- }
- foreach ($routes as $route_name => $route) {
- // Don't override existing routes.
- if (!$route_collection->get($route_name)) {
- $route_collection->add($route_name, $route);
- }
- }
- }
- }
- }
- }
- /**
- * {@inheritdoc}
- */
- public static function getSubscribedEvents() {
- $events[RoutingEvents::DYNAMIC][] = ['onDynamicRouteEvent'];
- return $events;
- }
- }
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