salix/db/routines/vn/procedures/ticket_getTax.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`ticket_getTax`(
	vTaxArea VARCHAR(25)
)
BEGIN
/**
 * Calcula la base imponible, el IVA y el recargo de equivalencia para
 * un conjunto de tickets.
 *
 * @table tmp.ticket(ticketFk) Identificadores de los tickets a calcular
 * @return tmp.ticketAmount (ticketFk, taxableBase, tax, code)
 * @return tmp.ticketTax (ticketFk, pgcFk, taxableBase, rate, code) Impuesto desglosado para cada ticket.
 */
	-- Mantengo el drop porque si no da error en los tests de back de salix
	-- Table 'addressCompany' was locked with a READ lock and can't be updated'
	DROP TEMPORARY TABLE IF EXISTS tmp.addressCompany;
	CREATE TEMPORARY TABLE tmp.addressCompany
		(INDEX (addressFk, companyFk))
		ENGINE = MEMORY
		SELECT DISTINCT t.addressFk, t.companyFk
			FROM tmp.ticket tmpTicket
				JOIN ticket t ON t.id = tmpTicket.ticketFk;

	CALL addressTaxArea();
 
	IF vTaxArea IS NOT NULL THEN
		UPDATE tmp.addressTaxArea
			SET areaFk = vTaxArea;
	END IF;

	-- Solo se calcula la base imponible (taxableBase) y
	-- el impuesto se calculará posteriormente
	-- No se debería cambiar el sistema por problemas con los decimales

	CREATE OR REPLACE TEMPORARY TABLE tmp.ticketTax
		(PRIMARY KEY (ticketFk, code, rate))
		ENGINE = MEMORY
		WITH sales AS (
			SELECT s.ticketFk,
					s.itemFk,
					s.quantity * s.price * (100 - s.discount) / 100 total,
					t.companyFk,
					t.addressFk,
					su.countryFk,
					ata.areaFk,
					itc.taxClassFk
				FROM vn.sale s
					JOIN tmp.ticket tmp ON tmp.ticketFk = s.ticketFk
					JOIN vn.ticket t ON t.id = s.ticketFk
					JOIN vn.supplier su ON su.id = t.companyFk
					JOIN tmp.addressTaxArea ata ON ata.addressFk = t.addressFk
						AND ata.companyFk = t.companyFk
					JOIN vn.itemTaxCountry itc ON itc.itemFk = s.itemFk
						AND itc.countryFk = su.countryFk
				HAVING total
		)
		SELECT s.ticketFk,
				bp.pgcFk,
				SUM(s.total) taxableBase,
				pgc.rate,
				tc.code,
				bp.priority
			FROM sales s
				JOIN vn.bookingPlanner bp ON bp.countryFk = s.countryFk
					AND bp.taxAreaFk = s.areaFk
					AND bp.taxClassFk = s.taxClassFk
				JOIN vn.pgc ON pgc.code = bp.pgcFk
				JOIN vn.taxClass tc ON tc.id = bp.taxClassFk
			GROUP BY s.ticketFk, pgc.code, pgc.rate
			HAVING taxableBase
			ORDER BY priority;

	CREATE OR REPLACE TEMPORARY TABLE tmp.ticketServiceTax
		(PRIMARY KEY (ticketFk, code, rate))
		ENGINE = MEMORY
		SELECT tt.ticketFk,
				pgc.code pgcFk,
				SUM(ts.quantity * ts.price) taxableBase,
				pgc.rate,
				tc.code
			FROM tmp.ticket tt
				JOIN ticketService ts ON ts.ticketFk = tt.ticketFk
				JOIN ticket t ON t.id = tt.ticketFk
				JOIN supplier su ON su.id = t.companyFk
				JOIN tmp.addressTaxArea ata ON ata.addressFk = t.addressFk
					AND ata.companyFk = t.companyFk
				JOIN bookingPlanner bp ON bp.countryFk = su.countryFk
					AND bp.taxAreaFk = ata.areaFk
					AND bp.taxClassFk = ts.taxClassFk
				JOIN pgc ON pgc.code = bp.pgcFk
				JOIN taxClass tc ON tc.id = bp.taxClassFk
			GROUP BY tt.ticketFk, pgc.code
			HAVING taxableBase;

	INSERT INTO tmp.ticketTax (ticketFk, pgcFk, taxableBase, rate, code)
		SELECT ts.ticketFk, ts.pgcFk, ts.taxableBase, ts.rate, ts.code
			FROM tmp.ticketServiceTax ts
	ON DUPLICATE KEY UPDATE ticketTax.taxableBase = VALUES (taxableBase) + ticketTax.taxableBase ;

	CREATE OR REPLACE TEMPORARY TABLE tmp.ticketAmount
		(INDEX (ticketFk))
		ENGINE = MEMORY
		SELECT ticketFk, 
				taxableBase, 
				SUM(CAST(taxableBase * rate / 100 AS DECIMAL(10, 2))) tax,
				code
			FROM tmp.ticketTax
			GROUP BY ticketFk, code;

	DROP TEMPORARY TABLE
		tmp.addressCompany,
		tmp.addressTaxArea;
END$$
DELIMITER ;