DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `hedera`.`survey_vote`(vAnswer INT)
BEGIN
	DECLARE vSurvey INT;
	DECLARE vCount TINYINT;
	DECLARE EXIT HANDLER FOR 1062
		CALL util.throw('You cannot vote twice to the same survey');

	SELECT durveyFk INTO vSurvey
		FROM surveyAnswer WHERE id = vAnswer;

	INSERT INTO surveyVote SET
		surveyFk = vSurvey,
        userFk = account.myUser_getId();

	UPDATE surveyAnswer SET votes = votes + 1
		WHERE id = vAnswer;
END$$
DELIMITER ;
