function WorkspacesHooks::cron

Implements hook_cron().

@internal

Attributes

File

core/modules/workspaces/src/Hook/WorkspacesHooks.php, line 94

Class

WorkspacesHooks

Hook implementations for workspaces.

Namespace

Code

public function cron() : void {
  $this->workspaceManager
    ->executeOutsideWorkspace(function () {
    $deleted_workspace_ids = $this->state
      ->get('workspace.deleted', []);
    // Bail out early if there are no workspaces to purge.
    if (empty($deleted_workspace_ids)) {
      return;
    }
    $batch_size = Settings::get('entity_update_batch_size', 50);
    // Get the first deleted workspace from the list and delete the revisions
    // associated with it, along with the workspace association records.
    $workspace_id = reset($deleted_workspace_ids);
    $all_associated_revisions = [];
    foreach (array_keys($this->workspaceInfo
      ->getSupportedEntityTypes()) as $entity_type_id) {
      $all_associated_revisions[$entity_type_id] = $this->workspaceTracker
        ->getAllTrackedRevisions($workspace_id, $entity_type_id);
    }
    $all_associated_revisions = array_filter($all_associated_revisions);
    $count = 1;
    foreach ($all_associated_revisions as $entity_type_id => $associated_revisions) {
      /** @var \Drupal\Core\Entity\RevisionableStorageInterface $associated_entity_storage */
      $associated_entity_storage = $this->entityTypeManager
        ->getStorage($entity_type_id);
      // Sort the associated revisions in reverse ID order, so we can delete
      // the most recent revisions first.
      krsort($associated_revisions);
      // Get a list of default revisions tracked by the given workspace,
      // because they need to be handled differently than pending revisions.
      $initial_revision_ids = $this->workspaceTracker
        ->getTrackedInitialRevisions($workspace_id, $entity_type_id);
      foreach (array_keys($associated_revisions) as $revision_id) {
        if ($count > $batch_size) {
          continue 2;
        }
        // If the workspace is tracking the entity's default revision (i.e.
        // the entity was created inside that workspace), we need to delete
        // the whole entity after all of its pending revisions are gone.
        if (isset($initial_revision_ids[$revision_id])) {
          $associated_entity_storage->delete([
            $associated_entity_storage->load($initial_revision_ids[$revision_id]),
          ]);
        }
        else {
          // Delete the associated entity revision.
          $associated_entity_storage->deleteRevision($revision_id);
        }
        $count++;
      }
    }
    // The purging operation above might have taken a long time, so we need to
    // request a fresh list of tracked entities. If it is empty, we can go
    // ahead and remove the deleted workspace ID entry from state.
    $has_associated_revisions = FALSE;
    foreach (array_keys($this->workspaceInfo
      ->getSupportedEntityTypes()) as $entity_type_id) {
      if (!empty($this->workspaceTracker
        ->getAllTrackedRevisions($workspace_id, $entity_type_id))) {
        $has_associated_revisions = TRUE;
        break;

      }
    }
    if (!$has_associated_revisions) {
      unset($deleted_workspace_ids[$workspace_id]);
      $this->state
        ->set('workspace.deleted', $deleted_workspace_ids);
      // Delete any possible leftover association entries.
      $this->workspaceTracker
        ->deleteTrackedEntities($workspace_id);
    }
  });
}