41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from django.http import HttpResponseRedirect, HttpResponse
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from django.shortcuts import render, get_object_or_404
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from django.urls import reverse
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from django.views import generic
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from .models import Choice, Question
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class IndexView(generic.ListView):
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template_name = "polls/index.html"
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context_object_name = "latest_question_list"
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def get_queryset(self):
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return Question.objects.order_by("-pub_date")[:5]
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class DetailView(generic.DetailView):
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model = Question
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template_name = "polls/detail.html"
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class ResultsView(generic.DetailView):
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model = Question
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template_name = "polls/results.html"
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def vote(request, question_id):
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question = get_object_or_404(Question, pk=question_id)
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try:
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selected_choice = question.choice_set.get(pk=request.POST["choice"])
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except (KeyError, Choice.DoesNotExist):
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return render(
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request,
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"polls/vote.html",
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{"question": question, "error_message": "You didn't select a choice."},
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)
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else:
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selected_choice.votes += 1
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selected_choice.save()
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return HttpResponseRedirect(reverse("polls:results", args=(question.id,)))
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