/**
  * @inheritdoc
  */
 static function findOne($condition)
 {
     $model = parent::findOne($condition);
     $district = $model->district;
     if ($district) {
         $model->city_id = $district->city_id;
         $model->_city = $district->city;
         if ($model->_city) {
             $model->province_id = $model->_city->province_id;
             $model->_province = $model->_city->province;
             if ($model->_province) {
                 $model->country_id = $model->_province->country_id;
             }
         }
     }
     return $model;
 }