adde total_results to search response, for better frontend pagination

products/tests.py

@@ -478,6 +478,7 @@ class ProductSearchTest(TestCase):
         url = f"{self.endpoint}?query_string={query_string}"
         # send in request
         response = self.client.get(url)
+        # import ipdb; ipdb.set_trace()
 
         # check response
         self.assertEqual(response.status_code, 200)
@@ -521,8 +522,9 @@ class ProductSearchTest(TestCase):
         self.assertEqual(response.status_code, 200)
         # load response data
         payload = response.json()
-        # check for object creation
         self.assertEquals(len(payload['products']), limit)
+        self.assertEquals(payload['total_results'], len(expected_instances))
+
 
 class MyProductsViewTest(APITestCase):
     """my_products tests

products/views.py

@@ -174,6 +174,8 @@ def product_search(request):
             ranked_products = sorted(result_list, key= lambda rank:rank.rank, reverse=True)
             serializer = SearchResultSerializer(ranked_products, many=True)
             product_results = [dict(i) for i in serializer.data]
+            total_results = len(product_results)
+
             # check for pagination
             limit = request.GET.get('limit', None)
             offset = request.GET.get('offset', None)
@@ -185,6 +187,6 @@ def product_search(request):
                   limit = int(limit)
                   product_results = product_results[:limit]
 
-            return Response(data={"filters": filters, "products": product_results})
+            return Response(data={"filters": filters, "total_results": total_results, "products": product_results})
       except Exception as e:
             return Response({"errors": {"details": str(e)}}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)