public function EntityReferenceRevisionsItem::preSave in Multiversion 8

Change the logic around saving auto-created entities.

Overrides EntityReferenceRevisionsItem::preSave

See also

\Drupal\multiversion\EntityReferenceFieldTrait::preSave()

\Drupal\entity_reference_revisions\Plugin\Field\FieldType\EntityReferenceRevisionsItem::preSave()

File

src/EntityReferenceRevisionsItem.php, line 23

Class

EntityReferenceRevisionsItem

Alternative entity reference revisions base field item type class.

Namespace

Drupal\multiversion

Code

public function preSave() {
  if (!$this
    ->parentIsEnabledEntityType()) {

    // Call source class method if parent entity isn't supported by Multiversion.
    parent::preSave();
    return;
  }
  $has_new = $this
    ->hasNewEntity();

  // If it is a new entity, parent will save it.
  $this
    ->entityReferencePreSave();
  if (!$has_new) {

    // Create a new revision if it is a composite entity in a host with a new
    // revision.
    $host = $this
      ->getEntity();
    $needs_save = $this->entity instanceof EntityNeedsSaveInterface && $this->entity
      ->needsSave();
    if (!$host
      ->isNew() && $host
      ->isNewRevision() && $this->entity && $this->entity
      ->getEntityType()
      ->get('entity_revision_parent_id_field')) {
      $this->entity
        ->setNewRevision();
      if ($host
        ->isDefaultRevision()) {
        $this->entity
          ->isDefaultRevision(TRUE);
      }
      $needs_save = TRUE;
    }
    if ($needs_save) {

      // Delete the paragraph when the host entity is deleted.
      if ($host->_deleted->value == TRUE) {
        $this->entity
          ->delete();
      }
      elseif ($host->_rev->new_edit == FALSE) {

        /** @var \Drupal\multiversion\MultiversionManagerInterface $multiversion_manager */
        $multiversion_manager = \Drupal::service('multiversion.manager');
        $entity_type = $this->entity
          ->getEntityType();
        if ($multiversion_manager
          ->isEnabledEntityType($entity_type)) {

          /** @var \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager */
          $entity_type_manager = \Drupal::service('entity_type.manager');

          /** @var \Drupal\multiversion\Entity\Storage\ContentEntityStorageInterface $storage */
          $storage = $entity_type_manager
            ->getStorage($this->entity
            ->getEntityTypeId());
          $entities = $storage
            ->loadByProperties([
            'uuid' => $this->entity
              ->uuid(),
          ]);
          $entity = reset($entities);
          if ($entity) {
            $parent_id = $this->entity
              ->getEntityType()
              ->get('entity_revision_parent_id_field');
            $entity
              ->set($parent_id, $this->entity
              ->id());
            $entity
              ->setNewRevision(FALSE);
            $this->entity = $entity;
          }
          $storage
            ->saveWithoutForcingNewRevision($this->entity);
        }
      }
      else {
        $this->entity
          ->save();
      }
    }
  }
  if ($this->entity) {
    $this->target_revision_id = $this->entity
      ->getRevisionId();
  }
}