DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `cache`.`visible_refresh`(OUT v_calc INT, v_refresh BOOL, v_warehouse INT)
proc:BEGIN
	DECLARE EXIT HANDLER FOR SQLEXCEPTION
	BEGIN
		CALL cache_calc_unlock (v_calc);
		RESIGNAL;
	END;

	CALL cache_calc_start (v_calc, v_refresh, 'visible', v_warehouse);

	IF !v_refresh THEN
		LEAVE proc;
	END IF;

	-- Calculamos el stock hasta ayer

	CALL cache.stock_refresh(false);

	CREATE OR REPLACE TEMPORARY TABLE tmp.itemVisible
		(PRIMARY KEY (item_id))
		ENGINE = MEMORY
		SELECT item_id, SUM(amount) stock, SUM(amount) visible
			FROM cache.stock
			WHERE (v_warehouse IS NULL OR warehouse_id = v_warehouse)
		GROUP BY item_id;

	-- Calculamos los movimientos confirmados de hoy
	CALL vn.item_calcVisible(NULL, v_warehouse);
	DELETE FROM visible WHERE calc_id = v_calc;

	INSERT INTO visible (calc_id, item_id,visible)
		SELECT v_calc, item_id, visible FROM tmp.itemVisible;

	CALL cache_calc_end (v_calc);

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