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from article.models import Article
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from article.serializers import ArticleListSerializer, ArticleDetailSerializer
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from rest_framework.decorators import api_view
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from django.http import Http404
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from rest_framework import mixins
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from rest_framework import generics
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from rest_framework import status
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@api_view(['GET', 'POST'])
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def article_list(request):
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# 获取所有文章列表
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if request.method == 'GET':
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articles = Article.objects.all()
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serializer = ArticleListSerializer(articles, many=True)
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return Response(serializer.data)
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# 创建新的文章
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elif request.method == 'POST':
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serializer = ArticleListSerializer(data=request.data)
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if serializer.is_valid():
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serializer.save()
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return Response(serializer.data, status=status.HTTP_201_CREATED)
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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# 和article_list()功能相同
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class ArticleList(generics.ListCreateAPIView):
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queryset = Article.objects.all()
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serializer_class = ArticleListSerializer
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# 第一种版本
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# class ArticleDetail(APIView):
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# """文章详情视图"""
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# def get_object(self, pk):
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# """获取单个文章对象"""
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# try:
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# # pk代表主键
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# return Article.objects.get(pk=pk)
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# except:
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# raise Http404
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#
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# def get(self, request, pk):
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# article = self.get_object(pk)
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# serializer = ArticleDetailSerializer(article)
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# # 返回Json数据
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# return Response(serializer.data)
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#
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# def put(self, request, pk):
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# article = self.get_object(pk)
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# serializer = ArticleDetailSerializer(article, data=request.data)
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# # 验证提交的数据是否合法
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# # 不合法就返回400
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# if serializer.is_valid():
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# # 序列化器将持有的数据反序列化后
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# # 保存到数据库
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# serializer.save()
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# return Response(serializer.data)
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# return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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#
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# def delete(self, request, pk):
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# article = self.get_object(pk=pk)
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# article.delete()
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# # 删除成功后返回204
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# return Response(status=status.HTTP_204_NO_CONTENT)
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# 第二种版本
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# class ArticleDetail(mixins.RetrieveModelMixin,
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# mixins.UpdateModelMixin,
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# mixins.DestroyModelMixin,
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# generics.GenericAPIView):
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# """文章详情视图"""
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# queryset = Article.objects.all()
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# # 序列化类
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# serializer_class = ArticleDetailSerializer
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#
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# def get(self, request, *args, **kwargs):
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# return self.retrieve(request, *args, **kwargs)
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#
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# def put(self, request, *args, **kwargs):
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# return self.update(request, *args, **kwargs)
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#
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# def delete(self, request, *args, **kwargs):
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# return self.destroy(request, *args, **kwargs)
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# ArticleDetail类还可以简化为下面的代码
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class ArticleDetail(generics.RetrieveUpdateDestroyAPIView):
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queryset = Article.objects.all()
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serializer_class = ArticleDetailSerializer
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