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Make it possible to change a products stock QU after it was once added to stock (closes #1326)

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Bernd Bestel
2022-03-13 17:09:07 +01:00
parent 7532626123
commit 7ea9984fd3
6 changed files with 61 additions and 31 deletions
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55
migrations/0175.sql Normal file
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DROP TRIGGER prevent_qu_stock_change_after_first_purchase;
CREATE TRIGGER cascade_change_qu_id_stock AFTER UPDATE ON products WHEN NEW.qu_id_stock != OLD.qu_id_stock
BEGIN
-- All amounts anywhere are related to the products stock QU,
-- so apply the appropriate unit conversion to all amounts everywhere on change
-- (and enforce that such a conversion need to exist when the product was once added to stock)
SELECT CASE WHEN((
SELECT 1
FROM quantity_unit_conversions_resolved
WHERE product_id = NEW.id
AND from_qu_id = OLD.qu_id_stock
AND to_qu_id = NEW.qu_id_stock
AND source NOT LIKE '1%'
) ISNULL)
AND
((
SELECT 1
FROM stock_log
WHERE product_id = NEW.id
AND NEW.qu_id_stock != OLD.qu_id_stock
) NOTNULL) THEN RAISE(ABORT, "qu_id_stock can only be changed when a corresponding QU conversion (old QU => new QU) exists when the product was once added to stock") END;
UPDATE chores
SET product_amount = product_amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE product_id = NEW.id;
UPDATE meal_plan
SET product_amount = product_amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE type = 'product'
AND product_id = NEW.id;
UPDATE product_barcodes
SET amount = amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE product_id = NEW.id
AND amount IS NOT NULL;
UPDATE recipes_pos
SET amount = amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE product_id = NEW.id;
UPDATE shopping_list
SET amount = amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE product_id = NEW.id
AND product_id IS NOT NULL;
UPDATE stock
SET amount = amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE product_id = NEW.id;
UPDATE stock_log
SET amount = amount * IFNULL((SELECT factor FROM quantity_unit_conversions_resolved WHERE product_id = NEW.id AND from_qu_id = OLD.qu_id_stock AND to_qu_id = NEW.qu_id_stock AND source NOT LIKE '1%'), 1.0)
WHERE product_id = NEW.id;
END;