function EntityOperations::entityPreload

Acts on entity IDs before they are loaded.

See also

hook_entity_preload()

File

core/modules/workspaces/src/EntityOperations.php, line 77

Class

EntityOperations

Defines a class for reacting to entity events.

Namespace

Code

public function entityPreload(array $ids, $entity_type_id) {
    $entities = [];
    // Only run if the entity type can belong to a workspace and we are in a
    // non-default workspace.
    if (!$this->workspaceManager
        ->shouldAlterOperations($this->entityTypeManager
        ->getDefinition($entity_type_id))) {
        return $entities;
    }
    // Get a list of revision IDs for entities that have a revision set for the
    // current active workspace. If an entity has multiple revisions set for a
    // workspace, only the one with the highest ID is returned.
    if ($tracked_entities = $this->workspaceAssociation
        ->getTrackedEntities($this->workspaceManager
        ->getActiveWorkspace()
        ->id(), $entity_type_id, $ids)) {
        
        /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
        $storage = $this->entityTypeManager
            ->getStorage($entity_type_id);
        // Swap out every entity which has a revision set for the current active
        // workspace.
        foreach ($storage->loadMultipleRevisions(array_keys($tracked_entities[$entity_type_id])) as $revision) {
            $entities[$revision->id()] = $revision;
        }
    }
    return $entities;
}