wolnelektury/views.py

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