написал новый сериализатор для избранных треков

server/proj/audio/serializers.py

@@ -13,7 +13,18 @@ class FavoriteSongSerializer(serializers.ModelSerializer):
 
     def to_representation(self, instance):
         rep = super().to_representation(instance)
-        rep["songs"] = SongSerializer(
-            instance.song, many=True).data
+        rep["song"] = SongSerializer(
+            instance.song).data
         return rep
         
+class OnlyFavoriteSongSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = FavoriteSong    
+        fields = ('song')
+
+    def to_representation(self, instance):
+        rep = super().to_representation(instance)
+        rep["song"] = SongSerializer(
+            instance.song).data
+        return rep
+        

server/proj/audio/views.py

@@ -9,7 +9,7 @@ import requests
 
 from .schemas import SongSchema, DeleteSongSchema
 from .models import Song, FavoriteSong
-from .serializers import SongSerializer, FavoriteSongSerializer
+from .serializers import SongSerializer, FavoriteSongSerializer, OnlyFavoriteSongSerializer
 
 class SongViewSet(ViewSet):
     permission_classes_by_action = {
@@ -20,7 +20,7 @@ class SongViewSet(ViewSet):
     def list(self, request):
         user_pk = request.user.pk
         queryset = get_list_or_404(FavoriteSong, user=user_pk)
-        serializer = FavoriteSongSerializer(queryset, many=True)
+        serializer = OnlyFavoriteSongSerializer(queryset, many=True)
         return Response(serializer.data)
     
     def retrieve(self, request, pk=None):