[11.0] purchase: update picking stock move when purchase order line decrease in quantity

Question

Hi,
I'm curious about why it is only possible to increase the quantity to receive and not decrease.
addons/purchase/models/purchase.py#L733
if  float_compare(diff_quantity,  0.0 ,   precision_rounding = self .product_uom.rounding)  > 0 :
Because it is not possible to decrease below received quantity.
addons/purchase/models/purchase.py#L654
if  float_compare(line.product_qty, line.qty_received, line.product_uom.rounding)  < 0 :
Nonetheless, you could possibly want to decrease the quantity before

Bishal Ghimire · Answer

I was stuck at this problem as well, but finally I figured out i guess, if you want to allow to decrease the qty on picking while decreasing on po line, update  _prepare_stock_moves  method at  addons/purchase_stock/model/purchase.py at purchase.order.line model:
if float_compare(diff_quantity, 0.0,  precision_rounding=self.product_uom.rounding) > 0:
po_line_uom = self.product_uom
quant_uom = self.product_id.uom_id
product_uom_qty, product_uom = po_line_uom._adjust_uom_quantities(diff_quantity,

someone · Answer

Hi @Bishal what is the value of diff_quantity?

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