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 ajaxable.utils import AjaxableFormView
  15 from catalogue.models import Book
  16
  17
  18 def main_page(request):
  19     last_published = Book.objects.exclude(html_file='').order_by('-created_at')[:4]
  20
  21     return render_to_response("main_page.html", locals(),
  22         context_instance=RequestContext(request))
  23
  24
  25 class LoginFormView(AjaxableFormView):
  26     form_class = AuthenticationForm
  27     #template = "auth/login.html"
  28     title = _('Sign in')
  29     submit = _('Sign in')
  30
  31     def __call__(self, request):
  32         if request.user.is_authenticated():
  33             return HttpResponseRedirect('/')
  34         return super(LoginFormView, self).__call__(request)
  35
  36     def success(self, form, request):
  37         auth.login(request, form.get_user())
  38
  39
  40 class RegisterFormView(AjaxableFormView):
  41     form_class = UserCreationForm
  42     #template = "auth/register.html"
  43     title = _('Register')
  44     submit = _('Register')
  45
  46     def __call__(self, request):
  47         if request.user.is_authenticated():
  48             return HttpResponseRedirect('/')
  49         return super(RegisterFormView, self).__call__(request)
  50
  51     def success(self, form, request):
  52         user = form.save()
  53         user = auth.authenticate(
  54             username=form.cleaned_data['username'],
  55             password=form.cleaned_data['password1']
  56         )
  57         auth.login(request, user)
  58
  59
  60 @never_cache
  61 def logout_then_redirect(request):
  62     auth.logout(request)
  63     return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
  64
  65
  66 def clock(request):
  67     """ Provides server time for jquery.countdown,
  68     in a format suitable for Date.parse()
  69     """
  70     return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
  71
  72
  73 def publish_plan(request):
  74     cache_key = "publish_plan"
  75     plan = cache.get(cache_key)
  76
  77     if plan is None:
  78         plan = []
  79         try:
  80             feed = feedparser.parse('http://localhost:8000/documents/track/editor-proofreading/')
  81         except:
  82             pass
  83         else:
  84             for i in range(len(feed['entries'])):
  85                 print i
  86                 plan.append({
  87                     'title': feed['entries'][i].title,
  88                     'link': feed['entries'][i].link,
  89                     })
  90         cache.set(cache_key, plan, 1800)
  91
  92     return render_to_response("publish_plan.html", {'plan': plan},
  93         context_instance=RequestContext(request))