DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`sale_setProblemRoundingByBuy`(
	vBuyFk INT
)
BEGIN
/**
 * Update rounding problem for all sales related to a buy.
 *
 * @param vBuyFk Buy id
 */
	DECLARE vItemFk INT;
	DECLARE vWareHouseFk INT;
	DECLARE vMaxDated DATE;
	DECLARE vMinDated DATE;
	DECLARE vLanding DATE;
	DECLARE vLastBuy INT;
	DECLARE vCurrentBuy INT;
	DECLARE vGrouping INT;

	SELECT b.itemFk, t.warehouseInFk
			INTO vItemFk, vWareHouseFk
		FROM buy b 
			JOIN entry e ON e.id = b.entryFk
			JOIN travel t ON t.id = e.travelFk
		WHERE b.id = vBuyFk;
	
	SELECT DATE(MAX(t.shipped)) + INTERVAL 1 DAY, DATE(MIN(t.shipped))
			INTO vMaxDated, vMinDated 
		FROM sale s 
			JOIN ticket t ON t.id = s.ticketFk 
		WHERE t.shipped >= util.VN_CURDATE()
			AND s.itemFk = vItemFk
			AND s.quantity > 0;
	
	CALL buy_getUltimate(vItemFk, vWareHouseFk, vMinDated);

	SELECT bu.buyFk, b.grouping INTO vLastBuy, vGrouping
		FROM tmp.buyUltimate bu
			JOIN buy b ON b.id = bu.buyFk;
		
	DROP TEMPORARY TABLE tmp.buyUltimate;
	
	SET vLanding = vMaxDated;

	WHILE vCurrentBuy <> vLastBuy OR vLanding > vMinDated DO
		SET vMaxDated = vLanding - INTERVAL 1 DAY; 
		
		CALL buy_getUltimate(vItemFk, vWareHouseFk, vMaxDated);
		
		SELECT buyFk, landing
				INTO vCurrentBuy, vLanding
			FROM tmp.buyUltimate;
		
		DROP TEMPORARY TABLE tmp.buyUltimate;
	END WHILE;

	CREATE OR REPLACE TEMPORARY TABLE tmp.sale
		(INDEX(saleFk, isProblemCalcNeeded))
		ENGINE = MEMORY
		SELECT s.id saleFk, 
				MOD(s.quantity, vGrouping) hasProblem, 
				ticket_isProblemCalcNeeded(t.id) isProblemCalcNeeded
			FROM sale s 
				JOIN ticket t ON t.id = s.ticketFk 
			WHERE s.itemFk = vItemFk
				AND s.quantity > 0
				AND t.shipped BETWEEN vMinDated AND util.dayEnd(vMaxDated);

	CALL sale_setProblem('hasRounding');

	DROP TEMPORARY TABLE tmp.sale;
END$$
DELIMITER ;