function PathItem::postSave

Overrides FieldItemBase::postSave

File

core/modules/path/src/Plugin/Field/FieldType/PathItem.php, line 66

Class

PathItem

Defines the 'path' entity field type.

Namespace

Code

public function postSave($update) {
  $path_alias_storage = \Drupal::entityTypeManager()->getStorage('path_alias');
  $entity = $this->getEntity();
  // If specified, rely on the langcode property for the language, so that the
  // existing language of an alias can be kept. That could for example be
  // unspecified even if the field/entity has a specific langcode.
  $alias_langcode = $this->langcode && $this->pid ? $this->langcode : $this->getLangcode();
  // If we have an alias, we need to create or update a path alias entity.
  if ($this->alias) {
    if (!$update || !$this->pid) {
      $path_alias = $path_alias_storage->create([
        'path' => '/' . $entity->toUrl()
          ->getInternalPath(),
        'alias' => $this->alias,
        'langcode' => $alias_langcode,
      ]);
      $path_alias->save();
      $this->pid = $path_alias->id();
    }
    elseif ($this->pid) {
      $path_alias = $path_alias_storage->load($this->pid);
      if ($this->alias != $path_alias->getAlias()) {
        $path_alias->setAlias($this->alias);
        $path_alias->save();
      }
    }
  }
  elseif ($this->pid && !$this->alias) {
    // Otherwise, delete the old alias if the user erased it.
    $path_alias = $path_alias_storage->load($this->pid);
    if ($entity->isDefaultRevision()) {
      $path_alias_storage->delete([
        $path_alias,
      ]);
    }
    else {
      $path_alias_storage->deleteRevision($path_alias->getRevisionID());
    }
  }
}