Disable per-domain access control while indexing. (#545)

    tags:

      - { name: 'context_provider' }

    deprecated: 'The "%service_id%" service is deprecated. You should use the group sites context directly instead.'

  localgov_microsites_group.event_subscriber:

    class: Drupal\localgov_microsites_group\EventSubscriber\SearchApiSubscriber

    arguments: ['@group_sites.admin_mode']

    tags:

      - { name: event_subscriber }

<?php

declare(strict_types=1);

namespace Drupal\localgov_microsites_group\EventSubscriber;

use Drupal\group_sites\GroupSitesAdminModeInterface;

use Drupal\search_api\Event\IndexingItemsEvent;

use Drupal\search_api\Event\ItemsIndexedEvent;

use Drupal\search_api\Event\SearchApiEvents;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**

 * Switch into Group Sites admin mode when indexing items.

 *

 * There is one index. All items go into it so while indexing per-site access

 * control (including on referenced items) shouldn't kick in.

 * The results are returned on searches with a group site filter.

 */

final class SearchApiSubscriber implements EventSubscriberInterface {

  /**

   * Constructs a SearchApiSubscriber object.

   */

  public function __construct(

    private readonly GroupSitesAdminModeInterface $groupSitesAdminMode,

  ) {}

  /**

   * Preparing items to be indexed.

   */

  public function startIndexing(IndexingItemsEvent $event): void {

    $this->groupSitesAdminMode->setAdminModeOverride(TRUE);

  }

  /**

   * Items have been indexed.

   */

  public function stopIndexing(ItemsIndexedEvent $event): void {

    $this->groupSitesAdminMode->setAdminModeOverride(FALSE);

  }

  /**

   * {@inheritdoc}

   */

  public static function getSubscribedEvents(): array {

    return [

      SearchApiEvents::INDEXING_ITEMS => ['startIndexing'],

      SearchApiEvents::ITEMS_INDEXED => ['stopIndexing'],

    ];

  }

}