class UrlAlias

class UrlAlias extends EntityContentBase {
  
  /**
   * {@inheritdoc}
   */
  public function import(Row $row, array $old_destination_id_values = []) {
    if ($row->getDestinationProperty('source')) {
      $row->setDestinationProperty('path', $row->getDestinationProperty('source'));
    }
    $path = $row->getDestinationProperty('path');
    // Check if this alias is for a node and if that node is a translation.
    if (preg_match('/^\\/node\\/\\d+$/', $path) && $row->hasDestinationProperty('node_translation')) {
      // Replace the alias source with the translation source path.
      $node_translation = $row->getDestinationProperty('node_translation');
      $row->setDestinationProperty('path', '/node/' . $node_translation[0]);
      $row->setDestinationProperty('langcode', $node_translation[1]);
    }
    return parent::import($row, $old_destination_id_values);
  }
  
  /**
   * {@inheritdoc}
   */
  protected static function getEntityTypeId($plugin_id) {
    return 'path_alias';
  }

}