return validate attr in assignment serializer - import exclude param in organizations list

apps/authentication/api/v1/api.py

@@ -300,6 +300,9 @@ class OrganizationViewSet(ModelViewSet, DynamicSearchMixin):
         else:
             queryset = self.queryset.filter(province=request.user.province)
 
+        if 'exclude' in request.GET.keys():
+            queryset = self.queryset.filter(type__key=request.GET['exclude'])
+
         filtered_query = self.filter_query(queryset)
 
         page = self.paginate_queryset(filtered_query.order_by('-create_date'))  # paginate queryset

apps/pos_device/web/api/v1/serilaizers/device.py

@@ -59,6 +59,8 @@ class DeviceAssignmentSerializer(ModelSerializer):
         if self.Meta.model.objects.filter(device=device, client=client).exists():
             raise pos_exceptions.DeviceAlreadyAssigned()
 
+        return attrs
+
     def to_representation(self, instance):
         representation = super().to_representation(instance)