/**
     * Check validity of a quotaid against a survey id
     * @param integer $iSurveyId
     * @param integer $quotaid
     * throw Exception
     * @return void
     */
    private function checkValidQuotaId($surveyId, $quotaId)
    {
        $model = Quota::model()->find(
            "id = :quotaid AND sid = :surveyid",
            [':quotaid' => $quotaId, ':surveyid' => $surveyId]
        );
        if (empty($model)) {
            throw new CHttpException(403, gT("Bad quota id with this survey id."));
        }
    }

    public function insertquotaanswer(int $iSurveyId)
    {
        $this->requirePostRequest();
 
        $iSurveyId = sanitize_int($iSurveyId);
        $qid = Yii::app()->request->getPost('quota_qid');
        $quota_id = Yii::app()->request->getPost('quota_id');
        $this->checkPermissions($iSurveyId, 'update');
        //$this->checkValidQuotaId($surveyId, $quota_id);