bugfix ordering in clear gueryset of Products

store/views.py

@@ -136,6 +136,8 @@ class CategoryView(CategoryBaseView, TemplateView):
             sort_parameter = dict(self.ORDER_PARAMETERS)[self.sort]
             preordered_qs = self.products_qs
 
+            print(preordered_qs)
+
             if sort_parameter in ['price_min', '-price_min']:
                 preordered_qs = self.products_qs.extra(
                         select={
@@ -144,11 +146,13 @@ class CategoryView(CategoryBaseView, TemplateView):
                                 'WHERE store_productvariation.product_id ' +
                                 '= store_product.id'
                         })
-
-            self.products_qs = preordered_qs.order_by('-have_stock', sort_parameter)
+            if preordered_qs:
+                self.products_qs = preordered_qs.order_by('-have_stock', sort_parameter)
+            else:
+                self.products_qs = preordered_qs.order_by(sort_parameter)
 
         self._get_filter_attributes()
-        # print(self.products_qs.query)
+        print(self.products_qs)
         self.paginate()
         retval['category'] = self.category
         retval['products'] = self.products_qs