salix/db/install/changes/3-orderGetTax.sql

USE `hedera`;
DROP procedure IF EXISTS `orderGetTax`;

DELIMITER $$
USE `hedera`$$
CREATE DEFINER=`root`@`%` PROCEDURE `orderGetTax`()
    READS SQL DATA
BEGIN
/**
 * Calcula el IVA, y el recargo de equivalencia de un pedido
 * desglosados por tipos.
 *
 * @param vOrder El identificador del pedido
 * @treturn tmp.orderTax Bases imponibles, IVA y recargo de equivalencia
 */
    DROP TEMPORARY TABLE IF EXISTS tmp.addressCompany;
    CREATE TEMPORARY TABLE tmp.addressCompany
        (INDEX (addressFk, companyFk))
        ENGINE = MEMORY 
        SELECT DISTINCT o.address_id addressFk, o.company_id companyFk
            FROM tmp.order tmpOrder
                JOIN hedera.order o ON o.id = tmpOrder.orderFk;

    CALL vn.addressTaxArea ();

	-- Calcula el IVA y el recargo desglosado.
	DROP TEMPORARY TABLE IF EXISTS tmp.orderTax;
	CREATE TEMPORARY TABLE tmp.orderTax
		(INDEX (orderFk))
		ENGINE = MEMORY
				SELECT o.id orderFk,
						tc.code,
						SUM(m.amount * m.price) taxableBase,
                        pgc.rate
                    FROM tmp.order tmpOrder
                    JOIN `order` o ON o.id = tmpOrder.orderFk
						JOIN orderRow m ON m.orderFk = o.id
						JOIN vn.item i ON i.id = m.itemFk
						JOIN vn.client c ON c.id = o.customer_id
						JOIN vn.supplier s ON s.id = o.company_id
						JOIN tmp.addressTaxArea ata
                    ON ata.addressFk = o.address_id AND ata.companyFk = o.company_id
                JOIN vn.itemTaxCountry itc
                    ON itc.itemFk = i.id AND itc.countryFk = s.countryFk
                JOIN vn.bookingPlanner bp
                    ON bp.countryFk = s.countryFk
                        AND bp.taxAreaFk = ata.areaFk
                        AND bp.taxClassFk = itc.taxClassFk
                JOIN vn.pgc ON pgc.code = bp.pgcFk
                JOIN vn.taxClass tc ON tc.id = bp.taxClassFk
            GROUP BY tmpOrder.orderFk, pgc.code,pgc.rate
            HAVING taxableBase != 0;
                    
    DROP TEMPORARY TABLE IF EXISTS tmp.orderAmount;
    CREATE TEMPORARY TABLE tmp.orderAmount
        (INDEX (orderFk))
        ENGINE = MEMORY
        SELECT orderFk, taxableBase, SUM(CAST(taxableBase * rate / 100 AS DECIMAL(10, 2))) tax,code
            FROM tmp.orderTax
            GROUP BY orderFk, code;

END$$

DELIMITER ;