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Allow accumulating min. stock amounts on parent product level (closes #384)

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Bernd Bestel
2019-09-26 10:36:49 +02:00
parent 75f8ecfad2
commit 828ab8eba0
4 changed files with 150 additions and 1 deletions
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131
migrations/0092.sql Normal file
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ALTER TABLE products
ADD cumulate_min_stock_amount_of_subproducts TINYINT DEFAULT 0;
CREATE VIEW products_view
AS
SELECT *, CASE WHEN (SELECT 1 FROM products WHERE parent_product_id = p.id) NOTNULL THEN 1 ELSE 0 END AS has_sub_products
FROM products p;
DROP VIEW stock_missing_products;
CREATE VIEW stock_missing_products
AS
-- Products which are not sub products and not with "cumulate_min_stock_amount_of_subproducts"
SELECT
p.id,
MAX(p.name) AS name,
p.min_stock_amount - IFNULL(SUM(s.amount), 0) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products_view p
LEFT JOIN stock_current s
ON p.id = s.product_id
WHERE p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_subproducts = 0
AND p.parent_product_id IS NULL
GROUP BY p.id
HAVING IFNULL(SUM(s.amount), 0) < p.min_stock_amount
UNION
-- Products which have sub products and with "cumulate_min_stock_amount_of_subproducts"
SELECT
p.id,
MAX(p.name) AS name,
SUM(sub_p.min_stock_amount) - IFNULL(SUM(s.amount), 0) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products_view p
JOIN products_resolved pr
ON p.id = pr.parent_product_id
JOIN products sub_p
ON pr.sub_product_id = sub_p.id
LEFT JOIN stock_current s
ON pr.sub_product_id = s.product_id
WHERE sub_p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_subproducts = 1
AND p.has_sub_products IS NOT NULL
GROUP BY p.id
HAVING IFNULL(SUM(s.amount), 0) < SUM(sub_p.min_stock_amount)
UNION
-- Sub products where the parent product has not "cumulate_min_stock_amount_of_subproducts"
SELECT
sub_p.id,
MAX(sub_p.name) AS name,
SUM(sub_p.min_stock_amount) - IFNULL(SUM(s.amount), 0) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products_view p
JOIN products_resolved pr
ON p.id = pr.parent_product_id
JOIN products sub_p
ON pr.sub_product_id = sub_p.id
LEFT JOIN stock_current s
ON pr.sub_product_id = s.product_id
WHERE sub_p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_subproducts = 0
AND sub_p.parent_product_id IS NOT NULL
GROUP BY sub_p.id
HAVING IFNULL(SUM(s.amount), 0) < sub_p.min_stock_amount;
DROP VIEW stock_missing_products_including_opened;
CREATE VIEW stock_missing_products_including_opened
AS
/* This is basically the same view as stock_missing_products, but the column amount_missing includes opened amounts */
-- Products which are not sub products and not with "cumulate_min_stock_amount_of_subproducts"
SELECT
p.id,
MAX(p.name) AS name,
p.min_stock_amount - (IFNULL(SUM(s.amount), 0) - IFNULL(SUM(s.amount_opened), 0)) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products_view p
LEFT JOIN stock_current s
ON p.id = s.product_id
WHERE p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_subproducts = 0
AND p.parent_product_id IS NULL
GROUP BY p.id
HAVING IFNULL(SUM(s.amount), 0) < p.min_stock_amount
UNION
-- Products which have sub products and with "cumulate_min_stock_amount_of_subproducts"
SELECT
p.id,
MAX(p.name) AS name,
SUM(sub_p.min_stock_amount) - (IFNULL(SUM(s.amount), 0) - IFNULL(SUM(s.amount_opened), 0)) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products_view p
JOIN products_resolved pr
ON p.id = pr.parent_product_id
JOIN products sub_p
ON pr.sub_product_id = sub_p.id
LEFT JOIN stock_current s
ON pr.sub_product_id = s.product_id
WHERE sub_p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_subproducts = 1
AND p.has_sub_products IS NOT NULL
GROUP BY p.id
HAVING IFNULL(SUM(s.amount), 0) < SUM(sub_p.min_stock_amount)
UNION
-- Sub products where the parent product has not "cumulate_min_stock_amount_of_subproducts"
SELECT
sub_p.id,
MAX(sub_p.name) AS name,
SUM(sub_p.min_stock_amount) - (IFNULL(SUM(s.amount), 0) - IFNULL(SUM(s.amount_opened), 0)) AS amount_missing,
CASE WHEN IFNULL(SUM(s.amount), 0) > 0 THEN 1 ELSE 0 END AS is_partly_in_stock
FROM products_view p
JOIN products_resolved pr
ON p.id = pr.parent_product_id
JOIN products sub_p
ON pr.sub_product_id = sub_p.id
LEFT JOIN stock_current s
ON pr.sub_product_id = s.product_id
WHERE sub_p.min_stock_amount != 0
AND p.cumulate_min_stock_amount_of_subproducts = 0
AND sub_p.parent_product_id IS NOT NULL
GROUP BY sub_p.id
HAVING IFNULL(SUM(s.amount), 0) < sub_p.min_stock_amount;