[bug] Serialize location (#10882)

* Properly set location id when serializing stock

* Add correct tracking entries

* Add unit test

src/backend/InvenTree/stock/models.py

@@ -1907,7 +1907,12 @@ class StockItem(
         data = dict(StockItem.objects.filter(pk=self.pk).values()[0])
 
         if location:
-            data['location'] = location
+            if location.structural:
+                raise ValidationError({
+                    'location': _('Cannot assign stock to structural location')
+                })
+
+            data['location_id'] = location.pk
 
         # Set the parent ID correctly
         data['parent'] = self
@@ -1920,7 +1925,17 @@ class StockItem(
         history_items = []
 
         for item in items:
-            # Construct a tracking entry for the new StockItem
+            # Construct tracking entries for the new StockItem
+            if entry := item.add_tracking_entry(
+                StockHistoryCode.SPLIT_FROM_PARENT,
+                user,
+                quantity=1,
+                notes=notes,
+                location=location,
+                commit=False,
+            ):
+                history_items.append(entry)
+
             if entry := item.add_tracking_entry(
                 StockHistoryCode.ASSIGNED_SERIAL,
                 user,
@@ -1937,7 +1952,9 @@ class StockItem(
         StockItemTracking.objects.bulk_create(history_items)
 
         # Remove the equivalent number of items
-        self.take_stock(quantity, user, notes=notes)
+        self.take_stock(
+            quantity, user, code=StockHistoryCode.STOCK_SERIZALIZED, notes=notes
+        )
 
         return items
 

src/backend/InvenTree/stock/status_codes.py

@@ -53,6 +53,7 @@ class StockHistoryCode(StatusCode):
     STOCK_COUNT = 10, _('Stock counted')
     STOCK_ADD = 11, _('Stock manually added')
     STOCK_REMOVE = 12, _('Stock manually removed')
+    STOCK_SERIZALIZED = 13, _('Serialized stock items')
 
     RETURNED_TO_STOCK = 15, _('Returned to stock')  # Stock item returned to stock
 

src/backend/InvenTree/stock/tests.py

@@ -1271,9 +1271,11 @@ class StockTreeTest(StockTestBase):
         self.assertEqual(item_1.get_children().count(), 1)
         self.assertEqual(item_2.parent, item_1)
 
+        loc = StockLocation.objects.filter(structural=False).first()
+
         # Serialize the secondary item
         serials = [str(i) for i in range(20)]
-        items = item_2.serializeStock(20, serials)
+        items = item_2.serializeStock(20, serials, location=loc)
 
         self.assertEqual(len(items), 20)
         self.assertEqual(StockItem.objects.count(), N + 22)
@@ -1290,6 +1292,9 @@ class StockTreeTest(StockTestBase):
             self.assertEqual(child.parent, item_2)
             self.assertGreater(child.lft, item_2.lft)
             self.assertLess(child.rght, item_2.rght)
+            self.assertEqual(child.location, loc)
+            self.assertIsNotNone(child.location)
+            self.assertEqual(child.tracking_info.count(), 2)
 
         # Delete item_2 : we expect that all children will be re-parented to item_1
         item_2.delete()