base of product-quota & list cities by province

apps/authentication/api/v1/api.py

@@ -161,6 +161,16 @@ class CityViewSet(ModelViewSet):
     queryset = City.objects.all()
     serializer_class = CitySerializer
 
+    def list(self, request, *args, **kwargs):
+        """ return list of cities by province """
+
+        serializer = self.serializer_class(
+            self.queryset.filter(
+                province_id=int(request.GET['province'])
+            ), many=True
+        )
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
 
 class ProvinceViewSet(ModelViewSet):
     """ Crud operations for province model """  #