public function EntityReferenceFieldTrait::preSave in Multiversion 8

Same name and namespace in other branches

1. 8.2 src/EntityReferenceFieldTrait.php \Drupal\multiversion\EntityReferenceFieldTrait::preSave()

1 call to EntityReferenceFieldTrait::preSave()

EntityReferenceRevisionsItem::preSave in src/EntityReferenceRevisionsItem.php

Change the logic around saving auto-created entities.

File

src/EntityReferenceFieldTrait.php, line 13

Class

EntityReferenceFieldTrait

Alterations for entity reference field types

Namespace

Drupal\multiversion

Code

public function preSave() {
  if ($this
    ->hasNewEntity()) {

    // As part of a bulk or replication operation there might be multiple
    // parent entities wanting to auto-create the same reference. So at this
    // point this entity might already be saved, so we look it up by UUID and
    // map it correctly.
    // @see \Drupal\relaxed\BulkDocs\BulkDocs::save()
    if ($this->entity
      ->isNew()) {
      $uuid = $this->entity
        ->uuid();
      $uuid_index = \Drupal::service('multiversion.entity_index.factory')
        ->get('multiversion.entity_index.uuid');
      if ($uuid && ($record = $uuid_index
        ->get($uuid))) {

        /** @var \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager */
        $entity_type_manager = \Drupal::service('entity_type.manager');
        $entity_type_id = $this->entity
          ->getEntityTypeId();

        // Now we have to decide what revision to use.
        $id_key = $entity_type_manager
          ->getDefinition($entity_type_id)
          ->getKey('id');

        // If the referenced entity is a stub, but an entity already was
        // created, then load and use that entity instead without saving.
        if ($this->entity->_rev->is_stub && is_numeric($record['entity_id'])) {
          $this->entity = $entity_type_manager
            ->getStorage($entity_type_id)
            ->load($record['entity_id']);
        }
        elseif (!$this->entity->_rev->is_stub) {
          $this->entity->{$id_key}->value = $record['entity_id'];
          $this->entity
            ->enforceIsNew(FALSE);
          $this->entity
            ->save();
        }
      }
      else {
        $this->entity
          ->save();
      }
    }

    // Make sure the parent knows we are updating this property so it can
    // react properly.
    if (empty($this->entity) && !empty($record['entity_id'])) {
      $id = $record['entity_id'];
    }
    else {
      $id = $this->entity
        ->id();
    }
    $this->target_id = $id;
  }
  if (!$this
    ->isEmpty() && $this->target_id === NULL) {
    $this->target_id = $this->entity
      ->id();
  }
}