function WorkspaceManager::purgeDeletedWorkspacesBatch

Overrides WorkspaceManagerInterface::purgeDeletedWorkspacesBatch

File

core/modules/workspaces/src/WorkspaceManager.php, line 306

Class

WorkspaceManager

Provides the workspace manager.

Namespace

Code

public function purgeDeletedWorkspacesBatch() {
    $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);
    $tracked_entities = $this->workspaceAssociation
        ->getTrackedEntities($workspace_id);
    $count = 1;
    foreach ($tracked_entities as $entity_type_id => $entities) {
        $associated_entity_storage = $this->entityTypeManager
            ->getStorage($entity_type_id);
        $associated_revisions = $this->workspaceAssociation
            ->getAssociatedRevisions($workspace_id, $entity_type_id);
        foreach (array_keys($associated_revisions) as $revision_id) {
            if ($count > $batch_size) {
                continue 2;
            }
            // Delete the associated entity revision.
            $associated_entity_storage->deleteRevision($revision_id);
            $count++;
        }
        // Delete the workspace association entries.
        $this->workspaceAssociation
            ->deleteAssociations($workspace_id, $entity_type_id, $entities);
    }
    // The purging operation above might have taken a long time, so we need to
    // request a fresh list of tracked entities. If it is empty, we can go ahead
    // and remove the deleted workspace ID entry from state.
    if (!$this->workspaceAssociation
        ->getTrackedEntities($workspace_id)) {
        unset($deleted_workspace_ids[$workspace_id]);
        $this->state
            ->set('workspace.deleted', $deleted_workspace_ids);
    }
}