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):
# # Redisplay the question voting form.
# return render(request, 'polls/detail.html', {
# 'question': question,
# 'error_message': "You didn't select a choice.",
# })
# else:
# selected_choice.votes += 1
# selected_choice.save()
# # Always return an HttpResponseRedirect after successfully dealing
# # with POST data. This prevents data from being posted twice if a
# # user hits the Back button.
# return HttpResponseRedirect(reverse('polls:results', args=(question.id,)))
# <h1>{{ question.question_text }}</h1>
#
# {% if error_message %}<p><strong>{{ error_message }}</strong></p>{% endif %}
#
# <form action="{% url 'polls:vote' question.id %}" method="post">
# {% csrf_token %}
# {% for choice in question.choice_set.all %}
# <input type="radio" name="choice" id="choice{{ forloop.counter }}" value="{{ choice.id }}">
# <label for="choice{{ forloop.counter }}">{{ choice.choice_text }}</label><br>
# {% endfor %}
# <input type="submit" value="Vote">
# </form>
question = get_object_or_404(Question, pk=question_id)
def post_handler(form, **_):
if form.is_valid():
choice = form.fields.choice.value
choice.votes += 1
choice.save()
return HttpResponseRedirect(
reverse('polls:results', args=(question.id, )))
return Form(
title=str(question),
fields__choice=Field.choice_queryset(question.choice_set.all()),
actions__submit__post_handler=post_handler,
)
class TrackForm(Form):
artist = Field.choice_queryset(choices=Track.objects.all())
