You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
2 years ago
|
from django.shortcuts import get_object_or_404, render
|
||
|
|
||
|
# Create your views here.
|
||
|
from django.http import HttpResponseRedirect
|
||
|
from django.urls import reverse
|
||
|
from django.views import generic
|
||
|
from django.utils import timezone
|
||
|
|
||
|
from .models import Choice, Question
|
||
|
|
||
|
class IndexView(generic.ListView):
|
||
|
template_name = 'polls/index.html'
|
||
|
context_object_name = 'latest_question_list'
|
||
|
|
||
|
def get_queryset(self):
|
||
|
"""
|
||
|
Return the last five published questions (not including those set to be
|
||
|
published in the future).
|
||
|
"""
|
||
|
return Question.objects.filter(
|
||
|
pub_date__lte=timezone.now()
|
||
|
).order_by('-pub_date')[:5]
|
||
|
|
||
|
class DetailView(generic.DetailView):
|
||
|
model = Question
|
||
|
template_name = 'polls/detail.html'
|
||
|
|
||
|
def get_queryset(self):
|
||
|
"""
|
||
|
Excludes any questions that aren't published yet.
|
||
|
"""
|
||
|
return Question.objects.filter(pub_date__lte=timezone.now())
|
||
|
|
||
|
|
||
|
class ResultsView(generic.DetailView):
|
||
|
model = Question
|
||
|
template_name = 'polls/results.html'
|
||
|
|
||
|
def vote(request, question_id):
|
||
|
question = get_object_or_404(Question, pk=question_id)
|
||
|
try:
|
||
|
selected_choice = question.choice_set.get(pk=request.POST['choice'])
|
||
|
except (KeyError, Choice.DoesNotExist):
|
||
|
return render(request, 'polls/detail.html', {
|
||
|
'question': question,
|
||
|
'error_message': "You didn't select a choice.",
|
||
|
})
|
||
|
else:
|
||
|
selected_choice.votes += 1
|
||
|
selected_choice.save()
|
||
|
return HttpResponseRedirect(reverse('polls:results', args=(question.id,)))
|