fix some bug regarding the groups in xml view

models/purchase_order.py

@@ -92,14 +92,15 @@ class PurchaseOrder(models.Model):
             return True
         return False
 
-    @api.model
-    def create(self, vals):
+    @api.model_create_multi
+    def create(self, vals_list):
         """Override create to handle linking with inventory moves if provided"""
-        # Extract subcontracting moves from vals if they exist
-        subcontracting_move_ids = vals.get('subcontracting_move_ids')
+        # Create the purchase orders first using the parent method
+        orders = super().create(vals_list)
         
-        # Create the purchase order first
-        purchase_order = super().create(vals)
+        # Process subcontracting moves linking for each created order
+        for order, vals in zip(orders, vals_list):
+            subcontracting_move_ids = vals.get('subcontracting_move_ids')
             
             # If subcontracting moves were provided, link them
             if subcontracting_move_ids:
@@ -108,13 +109,13 @@ class PurchaseOrder(models.Model):
                     if command[0] == 6:  # Replace all
                         move_ids = command[2]
                         moves = self.env['stock.move'].browse(move_ids)
-                    moves.write({'purchase_order_id': purchase_order.id})
+                        moves.write({'purchase_order_id': order.id})
                     elif command[0] == 4:  # Add one
                         move_id = command[1]
                         move = self.env['stock.move'].browse(move_id)
-                    move.write({'purchase_order_id': purchase_order.id})
+                        move.write({'purchase_order_id': order.id})
         
-        return purchase_order
+        return orders
 
     def write(self, vals):
         """Override write to handle linking/unlinking of inventory moves"""

views/stock_move_views.xml

@@ -24,11 +24,9 @@
         <field name="model">stock.move</field>
         <field name="inherit_id" ref="stock.view_move_tree"/>
         <field name="arch" type="xml">
-            <field name="product_uom_qty" position="after">
-                <field name="purchase_order_id"
-                       invisible="not is_subcontract"
-                       groups="purchase.group_purchase_user"/>
-            </field>
+            <xpath expr="//field[@name='product_uom_qty']" position="after">
+                <field name="purchase_order_id" invisible="not is_subcontract"/>
+            </xpath>
         </field>
     </record>