добавил метод для проверки в избранном трек или нет

server/proj/audio/views.py

@@ -32,6 +32,18 @@ class SongViewSet(GenericViewSet):
         serializer = FavoriteSongSerializer(favorite_songs)
         return Response(serializer.data)
 
+
+    @action(detail=False, methods=['GET'], schema=DeleteSongSchema())
+    def check_is_favorite(self, request):
+        try:
+            song_obj = Song.objects.get(azura_id=request.data.get('azura_id'))
+            favorite_songs = FavoriteSong.objects.get(user=request.user, song=song_obj)
+        except ObjectDoesNotExist:
+            return Response({"error": 'Объекта не существует'}, status=status.HTTP_404_NOT_FOUND)
+        serializer = FavoriteSongSerializer(favorite_songs)
+        return Response(serializer.data)
+
+
     @action(detail=False, methods=['post'], schema=SongSchema())
     def add_favorite(self, request):
         song = get_object_or_404(Song, azura_id=request.data.get('azura_id'))