django 36 rest framework class based apiview put delete

get details from http://127.0.0.1:8000/api/album_detail/33/

post send put request to http://127.0.0.1:8000/api/album_detail/33/ to change genre to 'rock' 

get details from http://127.0.0.1:8000/api/album_detail/33/ genre is changed to 'rock'

postman send delete requent to http://127.0.0.1:8000/api/album_detail/33/

album no longer exist

#music/api/apiview

from music.models import Album

from music.api.serializers import MusicSerializer

from rest_framework.views import APIView

from rest_framework.response import Response

from rest_framework import status

from django.http import Http404

class AlbumList(APIView):

    def get(self, request, format=None):

        albums = Album.objects.all()

        serializer = MusicSerializer(albums, many=True)

        return Response(serializer.data)

    def post(self, request, format=None):

        serializer = MusicSerializer(data=request.data)

        if serializer.is_valid():

            serializer.save()

            return Response(serializer.data, status=status.HTTP_201_CREATED)

        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

class AlbumDetail(APIView):

    def get_object(self, pk):

        try:

            return Album.objects.get(pk=pk)

        except Album.DoesNotExist:

            raise Http404

    def get(self, request, pk, format=None):

        album = self.get_object(pk)

        serializer = MusicSerializer(album)

        return Response(serializer.data)

    def put(self, request, pk, format=None):

        album = self.get_object(pk)

        serializer = MusicSerializer(album, data=request.data)

        if serializer.is_valid():

            serializer.save()

            return Response(serializer.data)

        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

    def delete(self, request, pk, format=None):

        album = self.get_object(pk)

        album.delete()

        return Response(status=status.HTTP_204_NO_CONTENT)

-----------------------------------------------

#music/api/urls

from django.urls import path

from rest_framework.urlpatterns import format_suffix_patterns

from music.api import apiview

app_name = 'musicAPI'

urlpatterns = [

    path('album_list', apiview.AlbumList.as_view(), name='AlbumList'),

    path('album_detail/<int:pk>/', apiview.AlbumDetail.as_view(), name='AlbumDetail'),

]

urlpatterns = format_suffix_patterns(urlpatterns)

reference:

https://chuanshuoge2.blogspot.com/2019/05/django-35-rest-framework-apiview-get.html