правки Микоса...

server/proj/audio/views.py

@@ -1,5 +1,5 @@
 from django.shortcuts import render
-from rest_framework.viewsets import ViewSet
+from rest_framework.viewsets import ViewSet, GenericViewSet
 from rest_framework.response import Response
 from rest_framework.decorators import action
 from rest_framework import status
@@ -11,34 +11,33 @@ from .schemas import SongSchema, DeleteSongSchema
 from .models import Song, FavoriteSong
 from .serializers import SongSerializer, FavoriteSongSerializer
 
-class SongViewSet(ViewSet):
+class SongViewSet(GenericViewSet):
     permission_classes_by_action = {
         'list': [IsAuthenticated],
         'retrieve': [IsAuthenticated],
         'create_song': [IsAuthenticated]
     }
+
     def list(self, request):
-        user_pk = request.user.pk
-        songs_pk = [i.song.pk for i in get_list_or_404(FavoriteSong, user=user_pk)]
+        songs_pk = FavoriteSong.objects.filter(user=request.user, song__isnull=False).values_list('song_id', flat=True)
         queryset = Song.objects.filter(id__in=songs_pk)
         serializer = SongSerializer(queryset, many=True)
         return Response(serializer.data)
     
     def retrieve(self, request, pk=None):
-        user_pk = request.user.pk
         song_obj = get_object_or_404(Song, azura_id=pk).pk
-        queryset = FavoriteSong.objects.filter(user=user_pk, song=song_obj)
-        serializer = FavoriteSongSerializer(queryset[0])
+        queryset = FavoriteSong.objects.get(user=request.user.pk, song=song_obj)
+        serializer = FavoriteSongSerializer(queryset)
         return Response(serializer.data)
 
     @action(detail=False, methods=['post'], schema=SongSchema())
     def create_song(self, request):
-        song = Song.objects.filter(azura_id = request.data['azura_id'])
+        song = get_object_or_404(Song, azura_id=request.data['azura_id'])
         data = None 
         #Если трек есть в базе
         if song:
             data = {
-                "song": song[0].id, 
+                "song": song.pk, 
                 "user": request.user.pk
             } 
         #Если трека нету в базе
@@ -56,10 +55,9 @@ class SongViewSet(ViewSet):
             if serializer.is_valid():
                 serializer.save()
             data = {
-                "song": song[0].id, 
+                "song": serializer.data['id'], 
                 "user": request.user.pk
             }
-
         serializer = FavoriteSongSerializer(data=data)
         if serializer.is_valid():
             serializer.save()