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