Receive virtual parts (#11627)

* Handle receive of virtual parts

- Update line item quantity
- Do not add any stock

* Add unit test

* Additional unit test

* UI form improvements

* Add playwright test

* Updated playwright tests

src/backend/InvenTree/order/models.py

@@ -1038,6 +1038,29 @@ class PurchaseOrder(TotalPriceMixin, Order):
 
             base_part = supplier_part.part
 
+            # Update the line item quantity
+            line.received += quantity
+            line_items_to_update.append(line)
+
+            # Extract optional serial numbers
+            serials = item.get('serials', None)
+
+            if serials and type(serials) is list and len(serials) > 0:
+                serialize = True
+            else:
+                serialize = False
+                serials = [None]
+
+            if base_part.virtual:
+                # Virtual parts are not received into stock, so skip the rest of the loop
+
+                if serialize:
+                    raise ValidationError(
+                        _('Serial numbers cannot be assigned to virtual parts')
+                    )
+
+                continue
+
             stock_location = item.get('location', location) or line.get_destination()
 
             # Calculate the received quantity in base part units
@@ -1052,15 +1075,6 @@ class PurchaseOrder(TotalPriceMixin, Order):
             else:
                 purchase_price = None
 
-            # Extract optional serial numbers
-            serials = item.get('serials', None)
-
-            if serials and type(serials) is list and len(serials) > 0:
-                serialize = True
-            else:
-                serialize = False
-                serials = [None]
-
             # Construct dataset for creating a new StockItem instances
             stock_data = {
                 'part': supplier_part.part,
@@ -1144,10 +1158,6 @@ class PurchaseOrder(TotalPriceMixin, Order):
 
                 bulk_create_items.append(new_item)
 
-            # Update the line item quantity
-            line.received += quantity
-            line_items_to_update.append(line)
-
         # Bulk create new stock items
         if len(bulk_create_items) > 0:
             stock.models.StockItem.objects.bulk_create(bulk_create_items)