You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.6 KiB
44 lines
1.6 KiB
from django.shortcuts import get_object_or_404, render
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from django.http import HttpResponse, HttpResponseRedirect
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from django.urls import reverse
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from django.db.models import F
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from .models import Choice, Question
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# Create your views here.
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def index(request):
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latest_question_list = Question.objects.order_by("-pub_date")[:5]
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context = {"latest_question_list": latest_question_list}
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return render(request, "polls/index.html", context)
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def detail(request, question_id):
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question = get_object_or_404(Question, pk=question_id)
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return render(request, "polls/detail.html", {"question": question})
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def results(request, question_id):
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question = get_object_or_404(Question, pk=question_id)
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return render(request, "polls/results.html", {"question": question})
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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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# Redisplay the question voting form.
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return render(
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request,
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"polls/detail.html",
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{
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"question": question,
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"error_message": "You didn't select a choice.",
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},
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)
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else:
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selected_choice.votes = F("votes") + 1
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selected_choice.save()
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# Always return an HttpResponseRedirect after successfully dealing
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# with POST data. This prevents data from being posted twice if a
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# user hits the Back button.
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return HttpResponseRedirect(reverse("polls:results", args=(question.id,)))
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