[IMP] introduce fields in_force_same_lot and out_force_same_lot

Those fields in the rma.operation allows us to control if we want to ensure that the
same lot as the one indicated in the RMA should be used in deliveries to customers
and receipts from suppliers

rma/__manifest__.py

@@ -3,7 +3,7 @@
 
 {
     "name": "RMA (Return Merchandise Authorization)",
-    "version": "16.0.1.0.0",
+    "version": "16.0.1.1.0",
     "license": "LGPL-3",
     "category": "RMA",
     "summary": "Introduces the return merchandise authorization (RMA) process in odoo",

rma/data/rma_operation.xml

@@ -8,6 +8,8 @@
         <field name="type">customer</field>
         <field name="in_route_id" ref="rma.route_rma_customer" />
         <field name="out_route_id" ref="rma.route_rma_customer" />
+        <field name="in_force_same_lot">True</field>
+        <field name="out_force_same_lot">False</field>
     </record>
 
     <record id="rma_operation_supplier_replace" model="rma.operation">
@@ -18,6 +20,8 @@
         <field name="type">supplier</field>
         <field name="in_route_id" ref="rma.route_rma_supplier" />
         <field name="out_route_id" ref="rma.route_rma_supplier" />
+        <field name="in_force_same_lot">False</field>
+        <field name="out_force_same_lot">True</field>
     </record>
 
     <record id="rma_operation_ds_replace" model="rma.operation">

rma/migrations/16.0.1.1.0/post-migration.py

@@ -0,0 +1,28 @@
+# Copyright 2024 ForgeFlow S.L. (https://www.forgeflow.com)
+import logging
+
+_logger = logging.getLogger(__name__)
+
+
+def _update_rma_operations(cr):
+    _logger.info(
+        "Updating rma operations to preset in_force_same_lot and out_force_same_lot"
+    )
+    cr.execute(
+        """
+        UPDATE rma_operation
+        SET in_force_same_lot=True
+        WHERE type='customer';
+    """
+    )
+    cr.execute(
+        """
+        UPDATE rma_operation
+        SET out_force_same_lot=True
+        WHERE type='supplier';
+    """
+    )
+
+
+def migrate(cr, version):
+    _update_rma_operations(cr)

rma/models/rma_operation.py

@@ -94,3 +94,22 @@ def _default_routes(self):
         required=True,
         default=lambda self: self.env.user.company_id,
     )
+    in_force_same_lot = fields.Boolean(
+        string="Force same lot in incoming shipments",
+        help="Forces the same lot to be used "
+        "in incoming pickings as the one indicated in the RMA",
+    )
+    out_force_same_lot = fields.Boolean(
+        string="Force same lot in outgoing shipments",
+        help="Forces the same lot to be used "
+        "in outgoing pickings as the one indicated in the RMA",
+    )
+
+    @api.onchange("type")
+    def _onchange_type(self):
+        if self.type == "customer":
+            self.in_force_same_lot = True
+            self.out_force_same_lot = False
+        elif self.type == "supplier":
+            self.in_force_same_lot = False
+            self.out_force_same_lot = True

rma/models/stock_move.py

@@ -62,6 +62,7 @@ def _get_available_quantity(
             not lot_id
             and self.rma_line_id.lot_id
             and self.location_id.usage == "internal"
+            and self.rma_line_id.operation_id.out_force_same_lot
         ):
             # In supplier RMA deliveries we can only send the RMA lot/serial.
             lot_id = self.rma_line_id.lot_id
@@ -88,6 +89,7 @@ def _update_reserved_quantity(
             not lot_id
             and self.rma_line_id.lot_id
             and self.location_id.usage == "internal"
+            and self.rma_line_id.operation_id.out_force_same_lot
         ):
             # In supplier RMA deliveries we can only send the RMA lot/serial.
             lot_id = self.rma_line_id.lot_id

rma/views/rma_operation_view.xml

@@ -53,6 +53,10 @@
                                 name="customer_to_supplier"
                                 attrs="{'invisible':[('type', '=', 'supplier')]}"
                             />
+                            <field
+                                name="in_force_same_lot"
+                                groups="stock.group_production_lot"
+                            />
                         </group>
                         <group name="outbound" string="Outbound">
                             <field name="out_route_id" />
@@ -61,6 +65,10 @@
                                 name="supplier_to_customer"
                                 attrs="{'invisible':[('type', '=', 'customer')]}"
                             />
+                            <field
+                                name="out_force_same_lot"
+                                groups="stock.group_production_lot"
+                            />
                         </group>
                     </group>
                 </sheet>

rma/wizards/rma_make_picking.py

@@ -210,30 +210,27 @@ def action_create_picking(self):
         else:
             pickings = self.mapped("item_ids.line_id")._get_in_pickings()
             action = self.item_ids.line_id.action_view_in_shipments()
-        # Force the reservation of the RMA specific lot for incoming shipments.
-        # FIXME: still needs fixing, not reserving appropriate serials.
+
         for move in pickings.move_ids.filtered(
             lambda x: x.state not in ("draft", "cancel", "done", "waiting")
             and x.rma_line_id
             and x.product_id.tracking in ("lot", "serial")
             and x.rma_line_id.lot_id
+            and x.rma_line_id.operation_id.in_force_same_lot
+            and x.location_dest_id.usage == "internal"
         ):
-            # Force the reservation of the RMA specific lot for incoming shipments.
+            # Force the reservation of the RMA specific lot for incoming shipments if required.
             move.move_line_ids.unlink()
             if move.product_id.tracking == "serial":
                 move.write(
                     {
                         "lot_ids": [(6, 0, move.rma_line_id.lot_id.ids)],
                     }
                 )
-                quants = self.env["stock.quant"]._gather(
-                    move.product_id, move.location_id, lot_id=move.rma_line_id.lot_id
-                )
                 move.move_line_ids.write(
                     {
-                        "reserved_uom_qty": 1 if picking_type == "incoming" else 0,
+                        "reserved_uom_qty": 1,
                         "qty_done": 0,
-                        "package_id": len(quants) == 1 and quants.package_id.id,
                     }
                 )
             elif move.product_id.tracking == "lot":
@@ -251,10 +248,11 @@ def action_create_picking(self):
                         "lot_id": move.rma_line_id.lot_id.id,
                         "product_uom_id": move.product_id.uom_id.id,
                         "qty_done": 0,
-                        "reserved_uom_qty": qty if picking_type == "incoming" else 0,
+                        "reserved_uom_qty": qty,
                     }
                 )
                 move_line_model.create(move_line_data)
+
             pickings.with_context(force_no_bypass_reservation=True).action_assign()
         return action
 

rma_put_away/tests/test_rma_put_away.py

@@ -84,6 +84,8 @@ def setUpClass(cls):
                 "put_away_location_id": cls.put_away_loc.id,
                 "in_route_id": cls.rma_route_cust.id,
                 "out_route_id": cls.rma_route_cust.id,
+                "out_force_same_lot": True,
+                "in_force_same_lot": True,
             }
         )
         cls.operation_2 = cls.rma_op_obj.create(
@@ -97,6 +99,8 @@ def setUpClass(cls):
                 "put_away_location_id": cls.put_away_loc.id,
                 "in_route_id": cls.rma_route_cust.id,
                 "out_route_id": cls.rma_route_cust.id,
+                "out_force_same_lot": True,
+                "in_force_same_lot": True,
             }
         )