text: from rest_framework.views import APIView
  from rest_framework.response import Response
  from rest_framework import status
  from rest_framework import viewsets
  from rest_framework.authentication import TokenAuthentication
  from rest_framework import filters
  from rest_framework.authtoken.views import ObtainAuthToken
  from rest_framework.settings import api_settings
  from rest_framework.permissions import IsAuthenticated
  
  from profiles_api import serializers
  from profiles_api import models
  from profiles_api import permissions
  
  class HelloAPIView(APIView):
      serializer_class = serializers.HelloSerializer
      
      def get(self,request,format=None):
          """return a list of APIView features"""
          an_apiview = [
              'Uses HTTP method as function(get,put,post,delete,patch)',
              'Is similar to a traditional django view',
              'Gives you the most control over you appliction logic',
              'Is mapped manually to URLs.',
          ]
          return Response({'message':'hello!','an_apiview':an_apiview})
      
      def post(self,request):
          serializer = self.serializer_class(data=request.data)
          
          if serializer.is_valid():
              name = serializer.validated_data.get('name')
              message = f'hello {name}'
              return Response({'message':message})
          else:
              return Response(
                  serializer.errors,
                  status=status.HTTP_400_BAD_REQUEST
              )
      
      def put(self,request,pk=None):
          """updating an object"""
          return Response({'method':'PUT'})
      
      def patch(self,request,pk=None):
          """ a partial update of object"""
          return Response({'method':'PATCH'})
      
      def delete(self,request,pk=None):
          """ delete an object"""
          return Response({'method':'DELETE'})
      
  
  class HelloViewSet(viewsets.ViewSet):
      
      serializer_class = serializers.HelloSerializer
      
      def list(self,request):
          """return hello string"""
          a_viewset = [
              'uses actions (list,retrieve,update,partial_update)',
              'Automatically maps to URLs using Routers',
              'Provides more functionality with less code',
          ]
          
          return Response({'message':'hello','a_viewset':a_viewset})
      
      def create(self,request):
          """create a new hello message"""
          serializer = self.serializer_class(data=request.data)
          
          if serializer.is_valid():
              name = serializer.validated_data.get('name')
              message = f'Hello {name}'
              return Response({'message':message})
          else:
              return Response(
                  serializer.errors,
                  status=status.HTTP_400_BAD_REQUEST
              )
              
      def retrieve(self,request,pk=None):
          """handle getting an object by its ID"""
          return Response({'http_method':'GET'})
      
      def update(self,request,pk=None):
          """handle update an object"""
          return Response({'http_method':'PUT'})
      
      def partial_update(self,request,pk=None):
          """handle update part of an object"""
          return Response({'http_method':'PATCH'})
      
      def destroy(self,request,pk=None):
          """handle removing an object"""
          return Response({'http_method':'DELETE'})
      
  
  class UserProfileViewSet(viewsets.ModelViewSet):
      """Handle creating and updating profiles"""
      #notice typo
      serializer_class = serializers.UserProfileSerializer
      queryset = models.UserProfile.objects.all()
      authentication_classes = (TokenAuthentication,) 
      permission_classes = (permissions.UpdateOwnProfile,)
      filter_backends = (filters.SearchFilter,)
      search_fields = ('name','email',)
      
  class UserLoginApiView(ObtainAuthToken):
      """Handle reating user authentication tokens"""
      renderer_classes = api_settings.DEFAULT_RENDERER_CLASSES
  
      
  class UserProfileFeedViewSet(viewsets.ModelViewSet):
      """Handles creating, reading and updating profile feed items"""
      authentication_classes = (TokenAuthentication,)
      serializer_class = serializers.ProfileFeedItemSerializer
      queryset = models.ProfileFeedItem.objects.all()
      
      permission_classes = (permissions.UpdateOwnStatus,IsAuthenticated)
          
          
     
  
      def perform_create(self, serializer):
          """Sets the user profile to the logged in user"""
          serializer.save(user_profile=self.request.user)
          
  