sites_group_overrides-1.x-dev/src/EventSubscriber/RouteSubscriber.php

<?php declare(strict_types = 1);

namespace Drupal\sites_group_overrides\EventSubscriber;

use Symfony\Component\Routing\Route;
use Drupal\Core\Routing\RouteSubscriberBase;
use Symfony\Component\Routing\RouteCollection;
use Drupal\sites_group_overrides\Form\BaseFieldConfigForm;
use Drupal\sites_group_overrides\SitesGroupOverridesServiceInterface;

/**
 * Route subscriber.
 */
final class RouteSubscriber extends RouteSubscriberBase {

  /**
   * Constructs a RouteSubscriber object.
   */
  public function __construct(
    private readonly SitesGroupOverridesServiceInterface $sitesGroupOverridesService,
  ) {}

  /**
   * {@inheritdoc}
   */
  protected function alterRoutes(RouteCollection $collection): void {
    foreach ($this->sitesGroupOverridesService->getSourceBundleEntityTypes() as $entity_type_id => $entity_type) {      
      // @todo use field_ui_base_route setting
      if ($entity_type->hasLinkTemplate('edit-form')) {
        $route = new Route($entity_type->getLinkTemplate('edit-form') .  '/field-sync', [
          '_form' => BaseFieldConfigForm::class
        ],
        [
          '_permission' => 'adminsister field sync',
        ]
      );
        $collection->add("entity.$entity_type_id.sites_group_overrides", $route);
      }
    }
  }

}