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touch polls/apiviews.py

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# mysite/urls.py
path('api/polls/', include('polls.urls'))

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from . import apiviews
path('questions/', apiviews.questions_view, name='questions_view')

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path('questions/<int:question_id>/', apiviews.question_detail_view, name='question_detail_view')

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path('questions/<int:question_id>/choices/', apiviews.choices_view, name='choices_view')

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elif request.method == 'DELETE':
    question.delete()
    return Response("Question deleted", status=status.HTTP_204_NO_CONTENT)

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if serializer.is_valid():
    question = serializer.save()
    serializer = QuestionSerializer(question)
    return Response(serializer.data, status=status.HTTP_201_CREATED) # We removed the hardcoded "Question created with id %s".

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class Question(models.Model):
    question_text = models.CharField(max_length=200)
    pub_date = models.DateTimeField('date published', null=True)
    author = models.CharField(max_length=200, null=True)

    def __str__(self):
        return self.question_text

class Choice(models.Model):
    question = models.ForeignKey(Question, on_delete=models.CASCADE)

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class QuestionSerializer(serializers.ModelSerializer):
    class Meta:
        model = Question
        fields = '__all__'

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from rest_framework import generics

from .models import Question
from .serializers import QuestionSerializer


class QuestionsAPIView(generics.ListCreateAPIView):
    queryset = Question.objects.all()
    serializer_class = QuestionSerializer