RouteSubscriber.php in Automatic Entity Label 8.3

Namespace

Drupal\auto_entitylabel\Routing

File

src/Routing/RouteSubscriber.php

<?php

namespace Drupal\auto_entitylabel\Routing;

use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Routing\RouteSubscriberBase;
use Drupal\Core\Routing\RoutingEvents;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;

/**
 * Subscriber for auto_entitylabel routes.
 */
class RouteSubscriber extends RouteSubscriberBase {

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a new RouteSubscriber object.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  protected function alterRoutes(RouteCollection $collection) {
    foreach ($this->entityTypeManager
      ->getDefinitions() as $entity_type_id => $entity_type) {
      if ($route = $this
        ->getEntityLabelRoute($entity_type)) {
        $collection
          ->add("entity.{$entity_type_id}.auto_label", $route);
      }
    }
  }

  /**
   * Gets the Entity Auto Label route.
   *
   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
   *   The entity type.
   *
   * @return \Symfony\Component\Routing\Route|null
   *   The generated route, if available.
   */
  protected function getEntityLabelRoute(EntityTypeInterface $entity_type) {
    if ($route_load = $entity_type
      ->getLinkTemplate('auto-label')) {
      $entity_type_id = $entity_type
        ->id();
      $route = new Route($route_load);
      $route
        ->addDefaults([
        '_form' => '\\Drupal\\auto_entitylabel\\Form\\AutoEntityLabelForm',
        '_title' => 'Automatic entity label',
      ])
        ->addRequirements([
        '_permission' => 'administer ' . $entity_type_id . ' labels',
      ])
        ->setOption('_admin_route', TRUE)
        ->setOption('parameters', [
        $entity_type_id => [
          'type' => 'entity:' . $entity_type_id,
        ],
      ]);
      return $route;
    }
    return NULL;
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events = parent::getSubscribedEvents();
    $events[RoutingEvents::ALTER] = [
      'onAlterRoutes',
      -100,
    ];
    return $events;
  }

}

Classes

Name	Description
RouteSubscriber	Subscriber for auto_entitylabel routes.