class WorkspacePublisher in Drupal 8

Default implementation of the workspace publisher.

@internal

Hierarchy

• class \Drupal\workspaces\WorkspacePublisher implements WorkspacePublisherInterface uses StringTranslationTrait

File

core/modules/workspaces/src/WorkspacePublisher.php, line 15

Namespace

Drupal\workspaces

class WorkspacePublisher implements WorkspacePublisherInterface {
  use StringTranslationTrait;

  /**
   * The source workspace entity.
   *
   * @var \Drupal\workspaces\WorkspaceInterface
   */
  protected $sourceWorkspace;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The database connection.
   *
   * @var \Drupal\Core\Database\Connection
   */
  protected $database;

  /**
   * The workspace manager.
   *
   * @var \Drupal\workspaces\WorkspaceManagerInterface
   */
  protected $workspaceManager;

  /**
   * The workspace association service.
   *
   * @var \Drupal\workspaces\WorkspaceAssociationInterface
   */
  protected $workspaceAssociation;

  /**
   * Constructs a new WorkspacePublisher.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Database\Connection $database
   *   Database connection.
   * @param \Drupal\workspaces\WorkspaceManagerInterface $workspace_manager
   *   The workspace manager.
   * @param \Drupal\workspaces\WorkspaceAssociationInterface $workspace_association
   *   The workspace association service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, Connection $database, WorkspaceManagerInterface $workspace_manager, WorkspaceAssociationInterface $workspace_association, WorkspaceInterface $source) {
    $this->entityTypeManager = $entity_type_manager;
    $this->database = $database;
    $this->workspaceManager = $workspace_manager;
    $this->workspaceAssociation = $workspace_association;
    $this->sourceWorkspace = $source;
  }

  /**
   * {@inheritdoc}
   */
  public function publish() {
    $publish_access = $this->sourceWorkspace
      ->access('publish', NULL, TRUE);
    if (!$publish_access
      ->isAllowed()) {
      $message = $publish_access instanceof AccessResultReasonInterface ? $publish_access
        ->getReason() : '';
      throw new WorkspaceAccessException($message);
    }
    if ($this
      ->checkConflictsOnTarget()) {
      throw new WorkspaceConflictException();
    }
    $transaction = $this->database
      ->startTransaction();
    try {

      // @todo Handle the publishing of a workspace with a batch operation in
      //   https://www.drupal.org/node/2958752.
      $this->workspaceManager
        ->executeOutsideWorkspace(function () {
        foreach ($this
          ->getDifferringRevisionIdsOnSource() as $entity_type_id => $revision_difference) {
          $entity_revisions = $this->entityTypeManager
            ->getStorage($entity_type_id)
            ->loadMultipleRevisions(array_keys($revision_difference));
          $default_revisions = $this->entityTypeManager
            ->getStorage($entity_type_id)
            ->loadMultiple(array_values($revision_difference));

          /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
          foreach ($entity_revisions as $entity) {

            // When pushing workspace-specific revisions to the default
            // workspace (Live), we simply need to mark them as default
            // revisions.
            $entity
              ->setSyncing(TRUE);
            $entity
              ->isDefaultRevision(TRUE);

            // The default revision is not workspace-specific anymore.
            $field_name = $entity
              ->getEntityType()
              ->getRevisionMetadataKey('workspace');
            $entity->{$field_name}->target_id = NULL;
            $entity->original = $default_revisions[$entity
              ->id()];
            $entity
              ->save();
          }
        }
      });
    } catch (\Exception $e) {
      $transaction
        ->rollBack();
      watchdog_exception('workspaces', $e);
      throw $e;
    }

    // Notify the workspace association that a workspace has been published.
    $this->workspaceAssociation
      ->postPublish($this->sourceWorkspace);
  }

  /**
   * {@inheritdoc}
   */
  public function getSourceLabel() {
    return $this->sourceWorkspace
      ->label();
  }

  /**
   * {@inheritdoc}
   */
  public function getTargetLabel() {
    return $this
      ->t('Live');
  }

  /**
   * {@inheritdoc}
   */
  public function checkConflictsOnTarget() {

    // Nothing to do for now, we can not get to a conflicting state because an
    // entity which is being edited in a workspace can not be edited in any
    // other workspace.
  }

  /**
   * {@inheritdoc}
   */
  public function getDifferringRevisionIdsOnTarget() {
    $target_revision_difference = [];
    $tracked_entities = $this->workspaceAssociation
      ->getTrackedEntities($this->sourceWorkspace
      ->id());
    foreach ($tracked_entities as $entity_type_id => $tracked_revisions) {
      $entity_type = $this->entityTypeManager
        ->getDefinition($entity_type_id);

      // Get the latest revision IDs for all the entities that are tracked by
      // the source workspace.
      $query = $this->entityTypeManager
        ->getStorage($entity_type_id)
        ->getQuery()
        ->condition($entity_type
        ->getKey('id'), $tracked_revisions, 'IN')
        ->latestRevision();
      $result = $query
        ->execute();

      // Now we compare the revision IDs which are tracked by the source
      // workspace to the latest revision IDs of those entities and the
      // difference between these two arrays gives us all the entities which
      // have been modified on the target.
      if ($revision_difference = array_diff_key($result, $tracked_revisions)) {
        $target_revision_difference[$entity_type_id] = $revision_difference;
      }
    }
    return $target_revision_difference;
  }

  /**
   * {@inheritdoc}
   */
  public function getDifferringRevisionIdsOnSource() {

    // Get the Workspace association revisions which haven't been pushed yet.
    return $this->workspaceAssociation
      ->getTrackedEntities($this->sourceWorkspace
      ->id());
  }

  /**
   * {@inheritdoc}
   */
  public function getNumberOfChangesOnTarget() {
    $total_changes = $this
      ->getDifferringRevisionIdsOnTarget();
    return count($total_changes, COUNT_RECURSIVE) - count($total_changes);
  }

  /**
   * {@inheritdoc}
   */
  public function getNumberOfChangesOnSource() {
    $total_changes = $this
      ->getDifferringRevisionIdsOnSource();
    return count($total_changes, COUNT_RECURSIVE) - count($total_changes);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
WorkspacePublisher::$database	protected	property	The database connection.
WorkspacePublisher::$entityTypeManager	protected	property	The entity type manager.
WorkspacePublisher::$sourceWorkspace	protected	property	The source workspace entity.
WorkspacePublisher::$workspaceAssociation	protected	property	The workspace association service.
WorkspacePublisher::$workspaceManager	protected	property	The workspace manager.
WorkspacePublisher::checkConflictsOnTarget	public	function	Checks if there are any conflicts between the source and the target. Overrides WorkspaceOperationInterface::checkConflictsOnTarget
WorkspacePublisher::getDifferringRevisionIdsOnSource	public	function	Gets the revision identifiers for items which have changed on the source. Overrides WorkspaceOperationInterface::getDifferringRevisionIdsOnSource
WorkspacePublisher::getDifferringRevisionIdsOnTarget	public	function	Gets the revision identifiers for items which have changed on the target. Overrides WorkspaceOperationInterface::getDifferringRevisionIdsOnTarget
WorkspacePublisher::getNumberOfChangesOnSource	public	function	Gets the total number of items which have changed on the source. Overrides WorkspaceOperationInterface::getNumberOfChangesOnSource
WorkspacePublisher::getNumberOfChangesOnTarget	public	function	Gets the total number of items which have changed on the target. Overrides WorkspaceOperationInterface::getNumberOfChangesOnTarget
WorkspacePublisher::getSourceLabel	public	function	Returns the human-readable label of the source. Overrides WorkspaceOperationInterface::getSourceLabel
WorkspacePublisher::getTargetLabel	public	function	Returns the human-readable label of the target. Overrides WorkspaceOperationInterface::getTargetLabel
WorkspacePublisher::publish	public	function	Publishes the contents of a workspace to the default (Live) workspace. Overrides WorkspacePublisherInterface::publish
WorkspacePublisher::__construct	public	function	Constructs a new WorkspacePublisher.