Bug fix: distinct query (#5960)

- Fixes bug inroduced in https://github.com/inventree/InvenTree/pull/5917

InvenTree/order/api.py

@@ -66,17 +66,16 @@ class GeneralExtraLineList(APIDownloadMixin):
     filter_backends = SEARCH_ORDER_FILTER
 
     ordering_fields = [
-        'title',
         'quantity',
         'note',
         'reference',
     ]
 
     search_fields = [
-        'title',
         'quantity',
         'note',
-        'reference'
+        'reference',
+        'description',
     ]
 
     filterset_fields = [

InvenTree/stock/api.py

@@ -996,8 +996,8 @@ class StockList(APIDownloadMixin, ListCreateDestroyAPIView):
 
         if company is not None:
             queryset = queryset.filter(
-                Q(supplier_part__supplier=company) | Q(supplier_part__manufacturer_part__manufacturer=company).distinct()
-            )
+                Q(supplier_part__supplier=company) | Q(supplier_part__manufacturer_part__manufacturer=company)
+            ).distinct()
 
         return queryset
 

InvenTree/stock/test_api.py

@@ -404,6 +404,11 @@ class StockItemListTest(StockAPITestCase):
         response = self.get_stock(batch='B123')
         self.assertEqual(len(response), 1)
 
+    def test_filter_by_company(self):
+        """Test that we can filter stock items by company"""
+        for cmp in company.models.Company.objects.all():
+            self.get_stock(company=cmp.pk)
+
     def test_filter_by_serialized(self):
         """Filter StockItem by serialized status."""
         response = self.get_stock(serialized=1)
@@ -658,10 +663,10 @@ class StockItemListTest(StockAPITestCase):
     def test_query_count(self):
         """Test that the number of queries required to fetch stock items is reasonable."""
 
-        def get_stock(data):
+        def get_stock(data, expected_status=200):
             """Helper function to fetch stock items."""
             response = self.client.get(self.list_url, data=data)
-            self.assertEqual(response.status_code, 200)
+            self.assertEqual(response.status_code, expected_status)
             return response.data
 
         # Create a bunch of StockItem objects