portal/homeview.py

   1 # this somehow is not used anymore - should it not be ?
   2 from django.core.context_processors import csrf
   3 from django.http import HttpResponseRedirect
   4 from django.contrib.auth import authenticate, login, logout
   5 from django.template import RequestContext
   6 from django.shortcuts import render_to_response
   7 from django.shortcuts import render
   8
   9 from unfold.loginrequired import FreeAccessView
  10
  11 from manifoldapi.manifoldresult import ManifoldResult
  12 from ui.topmenu import topmenu_items, the_user
  13 from myslice.configengine import ConfigEngine
  14
  15 from theme import ThemeView
  16
  17 class HomeView (FreeAccessView, ThemeView):
  18     template_name = 'home-view.html'
  19
  20     # expose this so we can mention the backend URL on the welcome page
  21     def default_env (self):
  22         return {
  23                  'MANIFOLD_URL':ConfigEngine().manifold_url(),
  24                  }
  25
  26     def post (self,request):
  27         env = self.default_env()
  28         env['theme'] = self.theme
  29         username = request.POST.get('username')
  30         password = request.POST.get('password')
  31
  32         # pass request within the token, so manifold session key can be attached to the request session.
  33         token = {'username': username, 'password': password, 'request': request}
  34
  35         # our authenticate function returns either
  36         # . a ManifoldResult - when something has gone wrong, like e.g. backend is unreachable
  37         # . a django User in case of success
  38         # . or None if the backend could be reached but the authentication failed
  39         auth_result = authenticate(token=token)
  40         # use one or two columns for the layout - not logged in users will see the login prompt
  41         # high-level errors, like connection refused or the like
  42         if isinstance (auth_result, ManifoldResult):
  43             manifoldresult = auth_result
  44             # let's use ManifoldResult.__repr__
  45             env['state']="%s"%manifoldresult
  46             env['layout_1_or_2']="layout-unfold2.html"
  47
  48             return render_to_response(self.template,env, context_instance=RequestContext(request))
  49         # user was authenticated at the backend
  50         elif auth_result is not None:
  51             user=auth_result
  52             if user.is_active:
  53                 print "LOGGING IN"
  54                 login(request, user)
  55
  56                 if request.user.is_authenticated():
  57                     env['person'] = self.request.user
  58                 else:
  59                     env['person'] = None
  60                 return render_to_response(self.template,env, context_instance=RequestContext(request))
  61             else:
  62                 env['state'] = "Your account is not active, please contact the site admin."
  63                 env['layout_1_or_2']="layout-unfold2.html"
  64
  65                 return render_to_response(self.template,env, context_instance=RequestContext(request))
  66         # otherwise
  67         else:
  68             env['state'] = "Your username and/or password were incorrect."
  69             env['layout_1_or_2']="layout-unfold2.html"
  70
  71             return render_to_response(self.template, env, context_instance=RequestContext(request))
  72
  73     def get (self, request, state=None):
  74         env = self.default_env()
  75
  76         if request.user.is_authenticated():
  77             env['person'] = self.request.user
  78         else:
  79             env['person'] = None
  80
  81         env['theme'] = self.theme
  82
  83
  84         env['username']=the_user(request)
  85         env['topmenu_items'] = topmenu_items(None, request)
  86         if state: env['state'] = state
  87         elif not env['username']: env['state'] = None
  88         # use one or two columns for the layout - not logged in users will see the login prompt
  89         env['layout_1_or_2']="layout-unfold2.html" if not env['username'] else "layout-unfold1.html"
  90
  91
  92         return render_to_response(self.template, env, context_instance=RequestContext(request))
  93