old_contents: from rest_framework import generics
  from rest_framework import permissions
  from rest_framework.response import Response
  from rest_framework.decorators import api_view
  from django.views.decorators.clickjacking import xframe_options_exempt
  
  from api.webview.models import Document
  from api.webview.serializers import DocumentSerializer
  
  
  class DocumentList(generics.ListCreateAPIView):
      """
      List all documents in the SHARE API
      """
      serializer_class = DocumentSerializer
      permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
  
      def perform_create(self, serializer):
          serializer.save(source=self.request.user)
  
      def get_queryset(self):
          """ Return all documents
          """
          return Document.objects.all()
  
  
  class DocumentsFromSource(generics.ListCreateAPIView):
      """
      List all documents from a particular source
      """
      serializer_class = DocumentSerializer
      permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
  
      def perform_create(self, serializer):
          serializer.save(source=self.request.user)
  
      def get_queryset(self):
          """ Return queryset based on source
          """
          return Document.objects.filter(source=self.kwargs['source'])
  
  
  @api_view(['GET'])
  @xframe_options_exempt
  def document_detail(request, source, docID):
      """
      Retrieve one particular document.
      """
      try:
          all_sources = Document.objects.filter(source=source)
          document = all_sources.get(docID=docID)
      except Document.DoesNotExist:
          return Response(status=404)
  
      serializer = DocumentSerializer(document)
      return Response(serializer.data)
  
new_contents: from rest_framework import generics
  from rest_framework import permissions
  from rest_framework.response import Response
  from rest_framework.decorators import api_view
  from django.views.decorators.clickjacking import xframe_options_exempt
  
  from api.webview.models import Document
  from api.webview.serializers import DocumentSerializer
  
  
  class DocumentList(generics.ListAPIView):
      """
      List all documents in the SHARE API
      """
      serializer_class = DocumentSerializer
      permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
  
      def perform_create(self, serializer):
          serializer.save(source=self.request.user)
  
      def get_queryset(self):
          """ Return all documents
          """
          return Document.objects.all()
  
  
  class DocumentsFromSource(generics.ListAPIView):
      """
      List all documents from a particular source
      """
      serializer_class = DocumentSerializer
      permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
  
      def perform_create(self, serializer):
          serializer.save(source=self.request.user)
  
      def get_queryset(self):
          """ Return queryset based on source
          """
          return Document.objects.filter(source=self.kwargs['source'])
  
  
  @api_view(['GET'])
  @xframe_options_exempt
  def document_detail(request, source, docID):
      """
      Retrieve one particular document.
      """
      try:
          all_sources = Document.objects.filter(source=source)
          document = all_sources.get(docID=docID)
      except Document.DoesNotExist:
          return Response(status=404)
  
      serializer = DocumentSerializer(document)
      return Response(serializer.data)
  
subject: Make the view List only remove Create