From 185055d604192f9417a4ec6cff52793517d7c8ac Mon Sep 17 00:00:00 2001
From: FinnStutzenstein <finn.stutzenstein@hotmail.de>
Date: Wed, 16 May 2018 13:03:37 +0200
Subject: [PATCH] Autoupdate with affected users on group delete (fixes #3455)

---
 openslides/users/views.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/openslides/users/views.py b/openslides/users/views.py
index 36db3dc35..6a20e1ce0 100644
--- a/openslides/users/views.py
+++ b/openslides/users/views.py
@@ -333,7 +333,15 @@ class GroupViewSet(ModelViewSet):
         instance = self.get_object()
         if instance.pk == 1:
             self.permission_denied(request)
+        # The list() is required to evaluate the query
+        affected_users_ids = list(instance.user_set.values_list('pk', flat=True))
+
+        # Delete the group
         self.perform_destroy(instance)
+
+        # Get the updated user data from the DB.
+        affected_users = User.objects.filter(pk__in=affected_users_ids)
+        inform_changed_data(affected_users)
         return Response(status=status.HTTP_204_NO_CONTENT)