stock_available_to_promise_release: split picking on release

stock_available_to_promise_release/models/stock_move.py

@@ -144,7 +144,13 @@ def _run_stock_rule(self):
                     # we don't want to deliver unless we can deliver all at
                     # once
                     continue
-                move.with_context(release_available_to_promise=True)._split(remaining)
+                move.with_context(release_available_to_promise=True)._release_split(
+                    remaining
+                )
+
+            if not move.picking_id.printed:
+                # Make sure the flag is set even if no split happens.
+                move.picking_id.printed = True
 
             values = move._prepare_procurement_values()
             procurement_requests.append(
@@ -168,3 +174,18 @@ def _run_stock_rule(self):
             pulled_moves = pulled_moves.mapped("move_orig_ids")
 
         return True
+
+    def _release_split(self, remaining_qty):
+        """Split move and create a new picking for it.
+
+        Instead of splitting the move and leave remaining qty into the same picking
+        we move it to a new one so that we can release it later as soon as
+        the qty is available.
+        """
+        # Rely on `printed` flag to make _assign_picking create a new picking.
+        # See `stock.move._assign_picking` and
+        # `stock.move._search_picking_for_assignation`.
+        self.picking_id.printed = True
+        new_move = self.browse(self._split(remaining_qty))
+        new_move._assign_picking()
+        return new_move

stock_available_to_promise_release/tests/test_reservation.py

@@ -342,9 +342,17 @@ def test_defer_creation_backorder(self):
         )
 
         cust_picking.release_available_to_promise()
+        out_pickings = sorted(
+            self._pickings_in_group(pickings.group_id) - cust_picking,
+            key=lambda x: x.move_lines.product_qty,
+        )
+        # 2 pickings instead of just one because remaining qty to process
+        # is split into a new one.
+        self.assertEqual(len(out_pickings), 2)
+        out_picking = out_pickings[0]
+        split_out_picking = out_pickings[1]
 
-        out_picking = self._pickings_in_group(pickings.group_id) - cust_picking
-
+        # the complete one is assigned and placed into stock output
         self.assertRecordValues(
             out_picking,
             [
@@ -355,9 +363,22 @@ def test_defer_creation_backorder(self):
                 }
             ],
         )
+        # the split once stays in the original location
+        self.assertRecordValues(
+            split_out_picking,
+            [
+                {
+                    "state": "waiting",
+                    "location_id": self.wh.wh_output_stock_loc_id.id,
+                    "location_dest_id": self.loc_customer.id,
+                }
+            ],
+        )
 
         self.assertRecordValues(out_picking.move_lines, [{"product_qty": 7.0}])
+        self.assertRecordValues(split_out_picking.move_lines, [{"product_qty": 13.0}])
 
+        # let's deliver what we can
         self._deliver(out_picking)
         self.assertRecordValues(out_picking, [{"state": "done"}])
 
@@ -371,6 +392,12 @@ def test_defer_creation_backorder(self):
                     "reserved_availability": 7.0,
                     "procure_method": "make_to_order",
                 },
+            ],
+        )
+        self.assertRecordValues(split_out_picking, [{"state": "waiting"}])
+        self.assertRecordValues(
+            split_out_picking.move_lines,
+            [
                 {
                     "state": "waiting",
                     "product_qty": 13.0,
@@ -494,8 +521,15 @@ def test_defer_creation_uom(self):
         )
 
         cust_picking.move_lines.release_available_to_promise()
-        out_picking = self._pickings_in_group(pickings.group_id) - cust_picking
-
+        out_pickings = sorted(
+            self._pickings_in_group(pickings.group_id) - cust_picking,
+            key=lambda x: x.move_lines.product_qty,
+        )
+        # 2 pickings instead of just one because remaining qty to process
+        # is split into a new one.
+        self.assertEqual(len(out_pickings), 2)
+        out_picking = out_pickings[0]
+        split_out_picking = out_pickings[1]
         self.assertRecordValues(
             out_picking.move_lines,
             [
@@ -507,6 +541,17 @@ def test_defer_creation_uom(self):
                 }
             ],
         )
+        self.assertRecordValues(
+            split_out_picking.move_lines,
+            [
+                {
+                    "state": "waiting",
+                    "product_qty": 12.0,
+                    "reserved_availability": 0.0,
+                    "product_uom_qty": 1.0,
+                }
+            ],
+        )
 
     def test_mto_picking(self):
         self.wh.delivery_route_id.write({"available_to_promise_defer_pull": True})