Use case to reproduce:
- Create a product with manufacture and MTO route
- Set the warehouse in 3 steps manufacturing
- Confirm a SO for 5 units
- Update the quantity to 4 units
Current behavior
Each picking has a quantity to 4 units. Except for the post
production to stock that still for 5 units but a return is
created.
Expected behavior
Each picking has 4 units
It happens due to `_run_pull` that will create a new procurement
group in post production location (the purpose is to avoid a merge
between semi-finished product and finished product). But in the case
of a negative procurement, we want to decrease a picking and not
create a production order. So create a new procurement group with the
next MO sequence will aslo create another issue because
`_run_manufacture` will skip the MO creation since the quantity is
negative and it will be a gap in the sequence number.
Instead of creating a new procurement group, search for an existing
in sibbling moves, so `_search_picking_for_assignation` could find
a picking to merge the negative procurement and decrease an existing
move.
closesodoo/odoo#100439
X-original-commit: c5e8adaa2b364e3ff4625e080df4c523a9673668
Signed-off-by: Arnold Moyaux (arm) <arm@odoo.com>
Arnold Moyaux
1b1fa9ee95