public function EntityRouteProviderSubscriber::onDynamicRouteEvent in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php \Drupal\Core\EventSubscriber\EntityRouteProviderSubscriber::onDynamicRouteEvent()

Provides routes on route rebuild time.

Parameters

\Drupal\Core\Routing\RouteBuildEvent $event: The route build event.

File

core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php, line 39

Class

EntityRouteProviderSubscriber

Ensures that routes can be provided by entity types.

Namespace

Drupal\Core\EventSubscriber

Code

public function onDynamicRouteEvent(RouteBuildEvent $event) {
  $route_collection = $event
    ->getRouteCollection();
  foreach ($this->entityTypeManager
    ->getDefinitions() as $entity_type) {
    if ($entity_type
      ->hasRouteProviders()) {
      foreach ($this->entityTypeManager
        ->getRouteProviders($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);
          }
        }
      }
    }
  }
}