public function actionClearDeleted()
 {
     $time = new \DateTime();
     $days = Yii::$app->getModule('core')->daysToStoreSubmissions;
     $time->sub(new \DateInterval("P{$days}D"));
     /** @var Object $object */
     $object = Object::getForClass(Submission::className());
     if ($object !== null) {
         $submissionIds = Submission::find()->select(['id'])->where('UNIX_TIMESTAMP(`date_received`) < ' . $time->getTimestamp() . ' AND `is_deleted` = \'1\'')->column();
         Review::deleteAll(['submission_id' => $submissionIds]);
         Yii::$app->db->createCommand()->delete($object->column_properties_table_name, ['object_model_id' => $submissionIds]);
         Yii::$app->db->createCommand()->delete($object->eav_table_name, ['object_model_id' => $submissionIds]);
         Yii::$app->db->createCommand()->delete($object->categories_table_name, ['object_model_id' => $submissionIds]);
         ObjectStaticValues::deleteAll(['object_id' => $object->id, 'object_model_id' => $submissionIds]);
         Submission::deleteAll(['id' => $submissionIds]);
     }
 }