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Fixed handling of edited stock entries when calculating a product's average price (references #2292)

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Bernd Bestel 2023-08-06 14:05:35 +02:00
parent 1d7f7b2992
commit ee4a082c74
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2 changed files with 49 additions and 0 deletions
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1
migrations/0226.sql
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@ -31,6 +31,7 @@ FROM products_last_purchased;
CREATE TRIGGER stock_log_INS AFTER INSERT ON stock_log
BEGIN
-- Update products_average_price cache
INSERT OR REPLACE INTO cache__products_average_price
(product_id, price)
SELECT product_id, price

48
migrations/0227.sql Normal file
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@ -0,0 +1,48 @@
DROP VIEW stock_edited_entries;
CREATE VIEW stock_edited_entries
AS
/*
Returns stock_id's which have been edited manually
*/
SELECT
sl_add.stock_id,
MAX(sl_edit.id) AS stock_log_id_of_newest_edited_entry,
sl_origin.id AS stock_log_id_of_origin_entry
FROM stock_log sl_add
JOIN stock_log sl_edit
ON sl_add.stock_id = sl_edit.stock_id
AND sl_edit.transaction_type = 'stock-edit-new'
JOIN stock_log sl_origin
ON sl_add.stock_id = sl_origin.stock_id
AND sl_origin.transaction_type IN ('purchase', 'inventory-correction', 'self-production')
WHERE sl_add.transaction_type IN ('purchase', 'inventory-correction', 'self-production')
AND sl_add.amount > 0
GROUP BY sl_add.stock_id, sl_origin.id;
DROP VIEW products_average_price;
CREATE VIEW products_average_price
AS
SELECT
1 AS id, -- Dummy, LessQL needs an id column
sl.product_id,
SUM(IFNULL(sl_origin.amount, sl.amount) * sl.price) / SUM(IFNULL(sl_origin.amount, sl.amount)) as price
FROM stock_log sl
LEFT JOIN stock_edited_entries see
ON sl.stock_id = see.stock_id
LEFT JOIN stock_log sl_origin
ON sl.stock_id = sl_origin.stock_id
AND see.stock_log_id_of_origin_entry = sl_origin.id
WHERE sl.undone = 0
AND (
(sl.transaction_type IN ('purchase', 'inventory-correction', 'self-production') AND sl.stock_id NOT IN (SELECT stock_id FROM stock_edited_entries))
OR (sl.transaction_type = 'stock-edit-new' AND sl.stock_id IN (SELECT stock_id FROM stock_edited_entries) AND sl.id IN (SELECT stock_log_id_of_newest_edited_entry FROM stock_edited_entries))
)
AND IFNULL(sl.price, 0) > 0
AND IFNULL(sl.amount, 0) > 0
GROUP BY sl.product_id;
-- Update products_average_price cache
INSERT OR REPLACE INTO cache__products_average_price
(product_id, price)
SELECT product_id, price
FROM products_average_price;