apps/wolnelektury_core/views.py

   1 from datetime import datetime
   2 import feedparser
   3
   4 from django.contrib import auth
   5 from django.contrib.auth.decorators import login_required
   6 from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
   7 from django.core.cache import cache
   8 from django.http import HttpResponse, HttpResponseRedirect
   9 from django.shortcuts import render_to_response
  10 from django.template import RequestContext
  11 from django.utils.http import urlquote_plus
  12 from django.utils.translation import ugettext_lazy as _
  13 from django.views.decorators.cache import never_cache
  14
  15 from django.conf import settings
  16 from ajaxable.utils import AjaxableFormView
  17 from catalogue.models import Book
  18 from ajaxable.utils import placeholdized
  19 from social.templatetags.social_tags import choose_cite
  20
  21
  22 @never_cache
  23 def main_page(request):
  24     last_published = Book.objects.filter(parent=None).order_by('-created_at')[:4]
  25     cite = choose_cite(RequestContext(request))
  26
  27     return render_to_response("main_page.html", locals(),
  28         context_instance=RequestContext(request))
  29
  30
  31 class LoginFormView(AjaxableFormView):
  32     form_class = AuthenticationForm
  33     template = "auth/login.html"
  34     placeholdize = True
  35     title = _('Sign in')
  36     submit = _('Sign in')
  37     ajax_redirect = True
  38
  39     def __call__(self, request):
  40         if request.user.is_authenticated():
  41             return self.redirect_or_refresh(request, '/',
  42                 message=_('Already logged in as user %(user)s', ) %
  43                             {'user': request.user.username})
  44         return super(LoginFormView, self).__call__(request)
  45
  46     def success(self, form, request):
  47         auth.login(request, form.get_user())
  48
  49
  50 class RegisterFormView(AjaxableFormView):
  51     form_class = UserCreationForm
  52     template = "auth/register.html"
  53     placeholdize = True
  54     title = _('Register')
  55     submit = _('Register')
  56     ajax_redirect = True
  57     form_prefix = 'register'
  58     honeypot = True
  59
  60     def __call__(self, request):
  61         if request.user.is_authenticated():
  62             return self.redirect_or_refresh(request, '/',
  63                 message=_('Already logged in as user %(user)s', ) %
  64                             {'user': request.user.username})
  65         return super(RegisterFormView, self).__call__(request)
  66
  67     def success(self, form, request):
  68         form.save()
  69         user = auth.authenticate(
  70             username=form.cleaned_data['username'],
  71             password=form.cleaned_data['password1']
  72         )
  73         auth.login(request, user)
  74
  75
  76 class LoginRegisterFormView(LoginFormView):
  77     template = 'auth/login_register.html'
  78     title = _('You have to be logged in to continue')
  79
  80     def extra_context(self, request, obj):
  81         return {
  82             "register_form": placeholdized(UserCreationForm(prefix='register')),
  83             "register_submit": _('Register'),
  84         }
  85
  86
  87 @never_cache
  88 def logout_then_redirect(request):
  89     auth.logout(request)
  90     return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
  91
  92
  93 def clock(request):
  94     """ Provides server time for jquery.countdown,
  95     in a format suitable for Date.parse()
  96     """
  97     return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
  98
  99
 100 def publish_plan(request):
 101     cache_key = "publish_plan"
 102     plan = cache.get(cache_key)
 103
 104     if plan is None:
 105         plan = []
 106         try:
 107             feed = feedparser.parse(settings.PUBLISH_PLAN_FEED)
 108         except:
 109             pass
 110         else:
 111             for i in range(len(feed['entries'])):
 112                 plan.append({
 113                     'title': feed['entries'][i].title,
 114                     'link': feed['entries'][i].link,
 115                     })
 116         cache.set(cache_key, plan, 1800)
 117
 118     return render_to_response("publish_plan.html", {'plan': plan},
 119         context_instance=RequestContext(request))
 120
 121
 122 @login_required
 123 def user_settings(request):
 124     return render_to_response("user.html",
 125         context_instance=RequestContext(request))