Adrien Widart
fc5572c11f
In a multistep configuration, decreasing the quantity on a line of a
confirmed sale order may create some inconsistencies.
To reproduce the issue:
1. In Settings, enable "Multi-Step Routes"
2. Edit the existing warehouse:
- Outgoing Shipments: 3 steps
3. Create a storable product P
4. Set the on-hand qty to 5
5. Create and confirm a sale order SO with 5 x P
6. Process the PICK/PACK pickings
7. Edit the SO:
- Decrease the qty: 3 x P
8. In the SO's deliveries, open the return of the pack step (Output ->
Packing)
- Error: Nothing changes, there isn't any reserved quantity.
However, there are currently 5 x P at the Output location, so the
reservation should work
9. Inventory > Report > Stock Moves, list all SM related to P
- Error: The origin/destination moves of the pack's return (Output
-> Packing) are incorrect too: the origins contain the pick's return
(Packing -> Stock) while it should not contain anything and the
destination moves contain the ship move (Output -> Customer) while it
should contain the pick's return (Packing -> Stock)
`SM_ship`: SM used to deliver from Output to Customers
`SM_ret_ship`: SM used to return P from Customers to Output
`SM_ret_pack`: SM used to return P from Output to Packing
`SM_ret_pick`: SM used to return P from Packing to Stock
When confirming a move, we transform the move if its demand is negative:
https://github.com/odoo/odoo/blob/53b424d9e43b07fe7aa84ff00035fb7772ef6291/addons/stock/models/stock_move.py#L1239-L1247
We reverse the source/destination locations but we don't do the same
with the origin/destination moves. That is an issue: before reversing,
we have:
| SM | Qty | From | To | Origin | Destination |
|-------------|-----|---------|-----------|-------------|-------------|
| SM_ret_pick | -2 | Stock | Packing | / | SM_ret_pack |
| SM_ret_pack | -2 | Packing | Output | SM_ret_pick | SM_ret_ship |
| SM_ret_ship | -2 | Output | Customers | SM_ret_pack | / |
Therefore, reversing the source/destination locations without updating
the origin/destination moves does not make sense: we should reverse them
too depending on their direction (positive/negative) and their
source/destination location.
Also, before trying to transform the moves, we try to merge them:
https://github.com/odoo/odoo/blob/53b424d9e43b07fe7aa84ff00035fb7772ef6291/addons/stock/models/stock_move.py#L1236-L1237
This is relevant for `SM_ret_ship`: we find an existing SM (`SM_ship`,
qty=5) that can absorb the negative demand of `SM_ret_ship` (qty=-2). In
such case, we add the origin/destination moves of the negative SM to the
positive one. However, in the above case, it will create an
inconsistency: after the fix, at that point, `SM_ret_pick` and
`SM_ret_pack` have been correctly reversed, so we have:
| SM | Qty | From | To | Origin | Destination |
|-------------|-----|---------|-----------|-------------|-------------|
| SM_ret_pick | 2 | Packing | Stock | SM_ret_pack | / |
| SM_ret_pack | 2 | Output | Packing | SM_ret_pack | SM_ret_pick |
| SM_ret_ship | -2 | Output | Customers | / | SM_ret_pack |
| SM_ship | 5 | Output | Customers | (SM_pack) | / |
Therefore, adding `SM_ret_pack` to the destination moves of `SM_ship` is
incorrect. (Note that, without the fix, `SM_ret_pack` would be added to
the origins of `SM_ship`, which would be incorrect too)
Finally, the reservation (step 8) does't work because of two reasons:
- If there are some `move_orig_ids`, we use the done value of these SM
to assign the current SM. However, as explained above, there is an issue
with this field
- If there isn't any `move_orig_ids`, there is an issue with the procure
method. Its value is `make_to_order`: we skip the reservation for such a
value:
https://github.com/odoo/odoo/blob/53b424d9e43b07fe7aa84ff00035fb7772ef6291/addons/stock/models/stock_move.py#L1499-L1501
OPW-2889679
closes odoo/odoo#95263
closes odoo/odoo#95926
X-original-commit: fb94c140a91aca26a56c5162d61b00b4a4b0d85b
Signed-off-by: William Henrotin (whe) <whe@odoo.com>
Signed-off-by: Adrien Widart <awt@odoo.com>
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