fix last message bug

polls/views/message.py

@@ -16,15 +16,9 @@ def last_messages(request):
         return HttpResponse(status=405)
     id = request.user.id
     group_id = request.GET.get('group_id')
-    messages = Message.objects.filter(send_to_id=group_id)[:100]
+    messages = reversed(Message.objects.filter(send_to_id=group_id).order_by('-added')[:100])
     results = []
-    filter_dict = dict()
-    for m in messages:
-        if m.type == 4 or m.type == 1:
-            task_id = m.task_id
-            if task_id:
-                if task_id in filter_dict:
-                    c = filter_dict[task_id]
+
     for o in messages:
         result = dict()
         t = o.type