RouteSubscriber.php in Views Advanced Routing 2.x

Namespace

Drupal\views_advanced_routing\Routing

File

src/Routing/RouteSubscriber.php

<?php

namespace Drupal\views_advanced_routing\Routing;

use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Routing\RouteSubscriberBase;
use Drupal\views\Plugin\views\display\DisplayRouterInterface;
use Drupal\views\ViewExecutable;
use Drupal\views\Views;
use Symfony\Component\Routing\RouteCollection;

/**
 * Customizes Views routes.
 */
class RouteSubscriber extends RouteSubscriberBase {

  /**
   * The view storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $viewStorage;

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

  /**
   * {@inheritdoc}
   */
  protected function alterRoutes(RouteCollection $collection) {
    $views = [];
    foreach (Views::getApplicableViews('uses_route') as $data) {
      list($view_id, $display_id) = $data;
      $views[$view_id][] = $display_id;
    }
    foreach ($views as $view_id => $displays) {

      /** @var \Drupal\views\Entity\View $view */
      $view = $this->viewStorage
        ->load($view_id);
      foreach ($displays as $display_id) {
        if (($vex = $view
          ->getExecutable()) && $vex instanceof ViewExecutable) {
          if ($vex
            ->setDisplay($display_id) && ($display = $vex->displayHandlers
            ->get($display_id))) {
            if ($display instanceof DisplayRouterInterface) {
              $options = $display
                ->getOption('display_extenders');
              if (isset($options['views_advanced_routing_route'])) {
                $route = $collection
                  ->get($display
                  ->getRouteName());
                $settings = $options['views_advanced_routing_route'];
                if ($route && !empty($settings['route'])) {
                  $route_info = $settings['route'];
                  $route_info += [
                    'defaults' => [],
                    'requirements' => [],
                    'options' => [],
                  ];
                  $route
                    ->addOptions($route_info['options'])
                    ->addRequirements($route_info['requirements'])
                    ->addDefaults($route_info['defaults']);
                  $collection
                    ->add($display
                    ->getRouteName(), $route);
                }
              }
            }
          }
          $vex
            ->destroy();
        }
      }
    }
  }

}

Classes

Name	Description
RouteSubscriber	Customizes Views routes.