3 namespace Drupal\Core\EventSubscriber;
5 use Drupal\Core\Entity\EntityResolverManager;
6 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
7 use Drupal\Core\Routing\RoutingEvents;
8 use Drupal\Core\Routing\RouteBuildEvent;
11 * Registers the 'type' of route parameter names that match an entity type.
13 * @todo Matching on parameter *name* is not ideal, because it breaks
14 * encapsulation: parameter names are local to the controller and route, and
15 * controllers and routes can't be expected to know what all possible entity
16 * types might exist across all modules in order to pick names that don't
17 * conflict. Instead, the 'type' should be determined from introspecting what
18 * kind of PHP variable (e.g., a type hinted interface) the controller
19 * requires: https://www.drupal.org/node/2041907.
21 class EntityRouteAlterSubscriber implements EventSubscriberInterface {
24 * The entity resolver manager.
26 * @var \Drupal\Core\Entity\EntityResolverManager
28 protected $resolverManager;
31 * Constructs an EntityRouteAlterSubscriber instance.
33 * @param \Drupal\Core\Entity\EntityResolverManager $entity_resolver_manager
34 * The entity resolver manager.
36 public function __construct(EntityResolverManager $entity_resolver_manager) {
37 $this->resolverManager = $entity_resolver_manager;
41 * Applies parameter converters to route parameters.
43 * @param \Drupal\Core\Routing\RouteBuildEvent $event
44 * The event to process.
46 public function onRoutingRouteAlterSetType(RouteBuildEvent $event) {
47 foreach ($event->getRouteCollection() as $route) {
48 $this->resolverManager->setRouteOptions($route);
55 public static function getSubscribedEvents() {
56 $events[RoutingEvents::ALTER][] = ['onRoutingRouteAlterSetType', -150];