diff core/lib/Drupal/Core/EventSubscriber/EntityRouteAlterSubscriber.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/EventSubscriber/EntityRouteAlterSubscriber.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,60 @@
+<?php
+
+namespace Drupal\Core\EventSubscriber;
+
+use Drupal\Core\Entity\EntityResolverManager;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Drupal\Core\Routing\RoutingEvents;
+use Drupal\Core\Routing\RouteBuildEvent;
+
+/**
+ * Registers the 'type' of route parameter names that match an entity type.
+ *
+ * @todo Matching on parameter *name* is not ideal, because it breaks
+ *   encapsulation: parameter names are local to the controller and route, and
+ *   controllers and routes can't be expected to know what all possible entity
+ *   types might exist across all modules in order to pick names that don't
+ *   conflict. Instead, the 'type' should be determined from introspecting what
+ *   kind of PHP variable (e.g., a type hinted interface) the controller
+ *   requires: https://www.drupal.org/node/2041907.
+ */
+class EntityRouteAlterSubscriber implements EventSubscriberInterface {
+
+  /**
+   * The entity resolver manager.
+   *
+   * @var \Drupal\Core\Entity\EntityResolverManager
+   */
+  protected $resolverManager;
+
+  /**
+   * Constructs an EntityRouteAlterSubscriber instance.
+   *
+   * @param \Drupal\Core\Entity\EntityResolverManager $entity_resolver_manager
+   *   The entity resolver manager.
+   */
+  public function __construct(EntityResolverManager $entity_resolver_manager) {
+    $this->resolverManager = $entity_resolver_manager;
+  }
+
+  /**
+   * Applies parameter converters to route parameters.
+   *
+   * @param \Drupal\Core\Routing\RouteBuildEvent $event
+   *   The event to process.
+   */
+  public function onRoutingRouteAlterSetType(RouteBuildEvent $event) {
+    foreach ($event->getRouteCollection() as $route) {
+      $this->resolverManager->setRouteOptions($route);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    $events[RoutingEvents::ALTER][] = ['onRoutingRouteAlterSetType', -150];
+    return $events;
+  }
+
+}