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from django.shortcuts import render, get_object_or_404 |
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from django.http import HttpResponseRedirect |
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from django.urls import reverse |
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from .models import Question, Choice |
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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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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 += 1 |
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selected_choice.save() |
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return HttpResponseRedirect(reverse('polls:results', args=(question.id,))) |