some speedups for batch indexing

[wolnelektury.git] / wolnelektury / views.py

diff --git a/wolnelektury/views.py b/wolnelektury/views.py
index 808a0fe..01fac46 100755 (executable)
--- a/wolnelektury/views.py
+++ b/wolnelektury/views.py
@@ -1,10 +1,110 @@
-from django.template import RequestContext
+from datetime import datetime
+import feedparser
+
+from django.contrib import auth
+from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
+from django.core.cache import cache
+from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.http import urlquote_plus
+from django.utils.translation import ugettext_lazy as _
+from django.views.decorators.cache import never_cache
+
+from django.conf import settings
+from ajaxable.utils import AjaxableFormView
 from catalogue.models import Book
+from ajaxable.utils import placeholdized
 
 
+@never_cache
 def main_page(request):
     last_published = Book.objects.exclude(html_file='').order_by('-created_at')[:4]
 
     return render_to_response("main_page.html", locals(),
-        context_instance=RequestContext(request))
\ No newline at end of file
+        context_instance=RequestContext(request))
+
+
+class LoginFormView(AjaxableFormView):
+    form_class = AuthenticationForm
+    placeholdize = True
+    title = _('Sign in')
+    submit = _('Sign in')
+    ajax_redirect = True
+
+    def __call__(self, request):
+        if request.user.is_authenticated():
+            return HttpResponseRedirect('/')
+        return super(LoginFormView, self).__call__(request)
+
+    def success(self, form, request):
+        auth.login(request, form.get_user())
+
+
+class RegisterFormView(AjaxableFormView):
+    form_class = UserCreationForm
+    placeholdize = True
+    title = _('Register')
+    submit = _('Register')
+    ajax_redirect = True
+    form_prefix = 'register'
+
+    def __call__(self, request):
+        if request.user.is_authenticated():
+            return HttpResponseRedirect('/')
+        return super(RegisterFormView, self).__call__(request)
+
+    def success(self, form, request):
+        form.save()
+        user = auth.authenticate(
+            username=form.cleaned_data['username'],
+            password=form.cleaned_data['password1']
+        )
+        auth.login(request, user)
+
+
+class LoginRegisterFormView(LoginFormView):
+    template = 'auth/login_register.html'
+    title = _('You have to be logged in to continue')
+
+    def extra_context(self):
+        return {
+            "register_form": placeholdized(UserCreationForm(prefix='register')),
+            "register_submit": _('Register'),
+        }
+
+
+@never_cache
+def logout_then_redirect(request):
+    auth.logout(request)
+    return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
+
+
+def clock(request):
+    """ Provides server time for jquery.countdown,
+    in a format suitable for Date.parse()
+    """
+    return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
+
+
+def publish_plan(request):
+    cache_key = "publish_plan"
+    plan = cache.get(cache_key)
+
+    if plan is None:
+        plan = []
+        try:
+            feed = feedparser.parse(settings.PUBLISH_PLAN_FEED)
+        except:
+            pass
+        else:
+            for i in range(len(feed['entries'])):
+                print i
+                plan.append({
+                    'title': feed['entries'][i].title,
+                    'link': feed['entries'][i].link,
+                    })
+        cache.set(cache_key, plan, 1800)
+
+    return render_to_response("publish_plan.html", {'plan': plan},
+        context_instance=RequestContext(request))