forum/middleware/cancel.py

   1 from django.http import HttpResponseRedirect
   2 from forum.utils.forms import get_next_url
   3 import logging
   4 class CancelActionMiddleware(object):
   5     def process_view(self, request, view_func, view_args, view_kwargs):
   6         if 'cancel' in request.REQUEST:
   7             #todo use session messages for the anonymous users
   8             try:
   9                 msg = getattr(view_func,'CANCEL_MESSAGE')
  10             except AttributeError:
  11                 msg = 'action canceled'
  12             request.user.message_set.create(message=msg)
  13             return HttpResponseRedirect(get_next_url(request))
  14         else:
  15             return None