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 def main_page(request):
  23     last_published = Book.objects.filter(parent=None).order_by('-created_at')[:4]
  24     cite = choose_cite(RequestContext(request))
  25
  26     return render_to_response("main_page.html", locals(),
  27         context_instance=RequestContext(request))
  28
  29
  30 class LoginFormView(AjaxableFormView):
  31     form_class = AuthenticationForm
  32     template = "auth/login.html"
  33     placeholdize = True
  34     title = _('Sign in')
  35     submit = _('Sign in')
  36     ajax_redirect = True
  37
  38     def __call__(self, request):
  39         if request.user.is_authenticated():
  40             return self.redirect_or_refresh(request, '/',
  41                 message=_('Already logged in as user %(user)s', ) %
  42                             {'user': request.user.username})
  43         return super(LoginFormView, self).__call__(request)
  44
  45     def success(self, form, request):
  46         auth.login(request, form.get_user())
  47
  48
  49 class RegisterFormView(AjaxableFormView):
  50     form_class = UserCreationForm
  51     template = "auth/register.html"
  52     placeholdize = True
  53     title = _('Register')
  54     submit = _('Register')
  55     ajax_redirect = True
  56     form_prefix = 'register'
  57     honeypot = True
  58
  59     def __call__(self, request):
  60         if request.user.is_authenticated():
  61             return self.redirect_or_refresh(request, '/',
  62                 message=_('Already logged in as user %(user)s', ) %
  63                             {'user': request.user.username})
  64         return super(RegisterFormView, self).__call__(request)
  65
  66     def success(self, form, request):
  67         form.save()
  68         user = auth.authenticate(
  69             username=form.cleaned_data['username'],
  70             password=form.cleaned_data['password1']
  71         )
  72         auth.login(request, user)
  73
  74
  75 class LoginRegisterFormView(LoginFormView):
  76     template = 'auth/login_register.html'
  77     title = _('You have to be logged in to continue')
  78
  79     def extra_context(self, request, obj):
  80         return {
  81             "register_form": placeholdized(UserCreationForm(prefix='register')),
  82             "register_submit": _('Register'),
  83         }
  84
  85
  86 @never_cache
  87 def logout_then_redirect(request):
  88     auth.logout(request)
  89     return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
  90
  91
  92 @never_cache
  93 def clock(request):
  94     """ Provides server UTC time for jquery.countdown,
  95     in a format suitable for Date.parse()
  96     """
  97     return HttpResponse(datetime.utcnow().strftime('%Y/%m/%d %H:%M:%S UTC'))
  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))