views: add recursive list members when computing list limitations

docbow_project/docbow/views.py

@@ -73,6 +73,16 @@ def get_mailbox(request, mailbox_id, back='inbox'):
 def user_mailing_list_names(user):
     return user.mailing_lists.values_list('name', flat=True)
 
+def recursive_lists(lists):
+    lists = set(lists)
+    count = len(lists)
+    while True:
+        lists |= set(MailingList.objects.filter(members_lists__in=lists))
+        if len(lists) == count:
+            break
+        count = len(lists)
+    return lists
+
 def get_file_form_kwargs(request):
     user = request.user
     kwargs = {}
@@ -83,6 +93,7 @@ def get_file_form_kwargs(request):
                 .filter(lists_limitation__mailing_list__in=user_lists) \
                 .distinct() \
                 .order_by('name')
+        lists = recursive_lists(lists)
         users = User.objects.filter(mailing_lists__in=lists, is_active=True) \
                 .distinct()
         if lists: