DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`collection_addWithReservation`(
	vItemFk INT,
	vQuantity INT,
	vTicketFk INT
)
BEGIN
/**
 * En el ámbito de las colecciones se añade una línea de sale a un ticket 
 * de una colección en caso de tener disponible y se realiza la reserva. 
 *
 * @param vItemFk id of item
 * @param vQuantity quantity to be added to the ticket
 * @param vTicketFk ticket to which the sales line is added
 */
	DECLARE vWarehouseFk INT;
	DECLARE vCacheAvailableFk INT;
	DECLARE vAvailable INT;
	DECLARE vSaleFk INT;
	DECLARE vConcept VARCHAR(50);
	DECLARE vItemName VARCHAR(50);
	DECLARE vHasThrow BOOLEAN DEFAULT FALSE;
	
	DECLARE EXIT HANDLER FOR SQLEXCEPTION
	BEGIN
		ROLLBACK;
		RESIGNAL;
	END;

	SELECT t.warehouseFk INTO vWarehouseFk
		FROM ticket t
			JOIN ticketCollection tc ON tc.ticketFk = t.id
		WHERE t.id = vTicketFk;

	CALL cache.available_refresh(
		vCacheAvailableFk, 
		FALSE, 
		vWarehouseFk, 
		util.VN_CURDATE());

	SELECT available INTO vAvailable
		FROM cache.available 
		WHERE calc_id = vCacheAvailableFk 
			AND item_id = vItemFk;
	
	IF vAvailable < vQuantity THEN
		SET vHasThrow = TRUE;
		SELECT vAvailable, vQuantity;
	ELSE
		START TRANSACTION;

		SELECT `name`,
				CONCAT(getUser(), ' ', DATE_FORMAT(util.VN_NOW(), '%H:%i'), ' ', name) 
				INTO vItemName, vConcept
			FROM item 
			WHERE id = vItemFk;

		INSERT INTO ticketLog
			SET originFk = vTicketFk,
				userFk = getUser(),
				`action` = 'update',
				`description` = CONCAT('Añadido articulo ', vItemName, ' cantidad:', vQuantity);

		INSERT INTO sale
			SET itemFk = vItemFk,
				ticketFk = vTicketFk,
				concept = vConcept,
				quantity = vQuantity,
				isAdded = TRUE;

		SELECT LAST_INSERT_ID() INTO vSaleFk;

		CALL sale_calculateComponent(vSaleFk, NULL);
		CALL itemShelvingSale_addBySale(vSaleFk);

		IF NOT EXISTS (SELECT TRUE FROM itemShelvingSale WHERE saleFk = vSaleFk LIMIT 1) THEN
			SET vHasThrow = TRUE;
		END IF;
	END IF;

	IF vHasThrow THEN
		CALL util.throw("No hay disponibilidad para el artículo seleccionado");
	ELSE
		COMMIT;
	END IF;
END$$
DELIMITER ;