forum/middleware/anon_user.py

   1 from django.http import HttpResponseRedirect, HttpResponse
   2 from forum.forms import get_next_url
   3 from django.utils.translation import ugettext as _
   4 from forum import settings
   5 from django.core.urlresolvers import reverse
   6 import logging
   7
   8 from django.contrib import messages
   9
  10 class AnonymousMessageManager(object):
  11     def __init__(self,request):
  12         self.request = request
  13     def create(self,message=''):
  14         create_message(self.request,message)
  15     def get_and_delete(self):
  16         messages = get_and_delete_messages(self.request)
  17         return messages
  18
  19 def dummy_deepcopy(*arg):
  20     """this is necessary to prevent deepcopy() on anonymous user object
  21     that now contains reference to request, which cannot be deepcopied
  22     """
  23     return None
  24
  25 class ConnectToSessionMessagesMiddleware(object):
  26     def process_request(self, request):
  27         if not request.user.is_authenticated():
  28             request.user.__deepcopy__ = dummy_deepcopy #plug on deepcopy which may be called by django db "driver"
  29
  30             #also set the first greeting one time per session only
  31             if 'greeting_set' not in request.session:
  32                 request.session['greeting_set'] = True
  33
  34                 msg = _('First time here? Check out the <a href="%s">FAQ</a>!') % reverse('faq')
  35
  36                 # If the store greeting in cookie setting is activated make sure that the greeting_set cookies isn't set
  37                 if (settings.STORE_GREETING_IN_COOKIE and not request.COOKIES.has_key('greeting_set')) or \
  38                   not settings.STORE_GREETING_IN_COOKIE:
  39                     messages.info(request, msg)
  40
  41                 if settings.STORE_GREETING_IN_COOKIE:
  42                     request.COOKIES.set(key='greeting_set', value=True)