src/wolnelektury/views.py

   1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from datetime import date, datetime
   5 from urllib.parse import quote_plus
   6 import feedparser
   7 from allauth.socialaccount.views import SignupView
   8
   9 from django.conf import settings
  10 from django.contrib import auth
  11 from django.contrib.auth.decorators import login_required
  12 from django.contrib.auth.forms import AuthenticationForm
  13 from django.contrib.auth.views import LoginView
  14 from django.core.cache import cache
  15 from django.views.generic import FormView
  16 from django.http import HttpResponse, HttpResponseRedirect
  17 from django.shortcuts import render
  18 from django.utils.translation import gettext_lazy as _
  19 from django.views.decorators.cache import never_cache
  20
  21 from catalogue.models import Book, Collection, Tag, Fragment
  22 import club.models
  23 from social.utils import get_or_choose_cite
  24 from wolnelektury.forms import RegistrationForm, SocialSignupForm, WLAuthenticationForm
  25
  26
  27 @never_cache
  28 def main_page(request):
  29     if request.GET.get('w') in settings.WIDGETS:
  30         request.EXPERIMENTS['layout'].override(True)
  31     if request.EXPERIMENTS['sowka'].value:
  32         request.EXPERIMENTS['layout'].override(True)
  33
  34     ctx = {}
  35     ctx['last_published'] = Book.objects.exclude(cover_clean='').filter(findable=True, parent=None).order_by('-created_at')[:10]
  36     ctx['recommended_collection'] = Collection.objects.filter(listed=True, role='recommend').order_by('?').first()
  37     ctx['ambassadors'] = club.models.Ambassador.objects.all().order_by('?')
  38     ctx['widget'] = settings.WIDGETS.get(request.GET.get('w'))
  39     if not ctx['widget'] and request.EXPERIMENTS['sowka'].value:
  40         ctx['widget'] = settings.WIDGETS['pan-sowka']
  41     return render(request, '2022/main_page.html', ctx)
  42
  43
  44 class WLLoginView(LoginView):
  45     form_class = WLAuthenticationForm
  46
  47
  48 class WLRegisterView(FormView):
  49     form_class = RegistrationForm
  50     template_name = 'registration/register.html'
  51
  52     def form_valid(self, form):
  53         form.save()
  54         user = auth.authenticate(
  55             username=form.cleaned_data['username'],
  56             password=form.cleaned_data['password1']
  57         )
  58         auth.login(self.request, user)
  59         return HttpResponseRedirect(quote_plus(self.request.GET.get('next', '/'), safe='/?='))
  60
  61
  62 @never_cache
  63 def logout_then_redirect(request):
  64     auth.logout(request)
  65     return HttpResponseRedirect(quote_plus(request.GET.get('next', '/'), safe='/?='))
  66
  67
  68 @never_cache
  69 def clock(request):
  70     """ Provides server UTC time for jquery.countdown,
  71     in a format suitable for Date.parse()
  72     """
  73     return HttpResponse(datetime.utcnow().strftime('%Y/%m/%d %H:%M:%S UTC'))
  74
  75
  76 def publish_plan(request):
  77     cache_key = "publish_plan"
  78     plan = cache.get(cache_key)
  79
  80     if plan is None:
  81         plan = []
  82         try:
  83             feed = feedparser.parse(settings.PUBLISH_PLAN_FEED)
  84         except:
  85             pass
  86         else:
  87             for i in range(len(feed['entries'])):
  88                 plan.append({
  89                     'title': feed['entries'][i].title,
  90                     'link': feed['entries'][i].link,
  91                     })
  92         cache.set(cache_key, plan, 1800)
  93
  94     return render(request, "publish_plan.html", {'plan': plan})
  95
  96
  97 @login_required
  98 def user_settings(request):
  99     return render(request, "user.html")
 100
 101
 102 def widget(request):
 103     return render(request, 'widget.html')
 104
 105
 106 class SocialSignupView(SignupView):
 107     form_class = SocialSignupForm