baileykane.co
this repo has no description
Add logic for handling vote submissions
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polls/views.py
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polls/views.py
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from django.http import HttpResponse, Http404
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from django.shortcuts import render, get_object_or_404
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from .models import Question
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# Create your views here.
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···
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return HttpResponse(response % question_id)
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def vote(request, question_id):
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return HttpResponse("You're voting on question %s." % question_id)
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from django.http import HttpResponse, HttpResponseRedirect
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from django.shortcuts import render, get_object_or_404
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from django.db.models import F
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from django.urls import reverse
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from .models import Question, Choice
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# Create your views here.
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···
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return HttpResponse(response % question_id)
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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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# If no choice was selected, re-render the question voting form.
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return render(request, "polls/detail.html", {
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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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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,)))