# Create your views here.
from django.http import HttpResponse, HttpResponseRedirect
from django.template import RequestContext, loader
from django.core.urlresolvers import reverse
from django.shortcuts import render, get_object_or_404
from django.utils import timezone
from django.views import generic
 
from polls.models import Choice,Poll

class IndexView(generic.ListView):
    template_name = 'polls/index.html'
    context_object_name = 'latest_poll_list'

    def get_queryset(self):
        """
        Return the last five published polls (not including those set to be
        published in the future).
        """
        return Poll.objects.filter(
                    pub_date__lte=timezone.now()
                                   ).order_by('-pub_date')[:5]


class DetailView(generic.DetailView):
    model = Poll
    template_name = 'polls/detail.html'


class ResultsView(generic.DetailView):
    model = Poll
    template_name = 'polls/results.html'
    
def 
(request, poll_id):
    p = get_object_or_404(Poll, pk=poll_id)
    try:
        selected_choice = p.choice_set.get(pk=request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        # display voting form
        return render(request, 'polls/detail.html', {
                'poll':p,
                'error_message': "You didn't select a choice.",
                })
    else:
        selected_choice.votes += 1
        selected_choice.save()
        
        return HttpResponseRedirect(reverse('polls:results',args=(p.id,)))
    
vote