odoo
[FW][FIX] point_of_sale: correct computation of product total with discount
Before this commit, if a product had a discount applied in two different orders, it could lead to incorrect calculations in the report For instance, if a product priced at 14.45 had a 30% discount applied, the discounted value would be 10.115, which rounds to 10.12. However, if there were two orders with the same discount, the report calculation would count the quantity of a product with the same discount and calculate the product total amount in one place. This would result in a discounted value of 10.115 * 2 = 20.23, while in the two different orders we had two 10.12 which sums to 20.24.
With this commit, the calculation method has been changed. Now, the product amount total for each line is calculated first, and then the sum of these amounts is used to calculate the total for all of the orders. This change ensures accurate computation of the product total sum when discounts are applied across multiple orders.
opw-3721376
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Forward-Port-Of: odoo/odoo#156044 Forward-Port-Of: odoo/odoo#155899
This PR targets saas-17.1 and is part of the forward-port chain. Further PRs will be created up to master.
More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port