исправил запросы на создание плейлистов

server/proj/account/views.py

@@ -86,8 +86,8 @@ class MyUserViewSet(ViewSet):
             if check_password(request.data['password'], password):
                 return Response(
                     {'detail': 'Пароли одинаковые', 'error': {'email': 'Пароли одинаковые'}}, 
-                    
                 status=status.HTTP_400_BAD_REQUEST)
+            
             if 'email' in request.data:
                 del request.data['email']
             if 'password' in request.data:

server/proj/audio/models.py

@@ -39,7 +39,7 @@ class FavoriteSong(models.Model):
 
 
 class PlayList(models.Model):
-    name = models.CharField('Название плейлиста', max_length=50)
+    name = models.CharField('Название плейлиста', max_length=50, blank=True, null=True)
     song = models.ManyToManyField(Song, blank=True, null=True)
     user = models.ForeignKey(MyUser, verbose_name='Пользователь', on_delete=models.CASCADE)
     art = models.ImageField('Изображение плейлиста', blank=True, null=True, upload_to="playlist_images/")

server/proj/audio/views.py

@@ -34,12 +34,29 @@ class PlayListViewSet(GenericViewSet):
         
     @action(detail=False, methods=['post'], schema=PlayListSchema())
     def create_playlist(self, request):
-        data = request.data
-        data.update(user=request.user.pk)
-        serializer = PlayListSerializer(data=request.data)
-        serializer.is_valid(raise_exception=True)
-        serializer.save() 
-        return Response(serializer.data)
+        if request.data['name']:
+            try:
+                instance = PlayList.objects.get(pk=request.data['playlist_id'], user=request.user.pk)
+                data = request.data
+                data.update(user=request.user.pk)
+                serializer = self.get_serializer(data=request.data, instance=instance)
+                serializer.is_valid(raise_exception=True)
+                serializer.save() 
+                return Response(serializer.data)
+            except ObjectDoesNotExist:
+                return Response(
+                    {'detail': 'Объекта не существует', 'error': {'PlayList': 'Объекта не существует'}}, 
+                status=status.HTTP_404_NOT_FOUND)
+        else:
+            playlist_pk = self.get_queryset().objects.filter(user=request.user.pk)
+            number_playlist = len(playlist_pk) + 1
+            name = f"Плейлист № {number_playlist}"
+            data = request.data
+            data.update(user=request.user.pk, name=name)
+            serializer = self.get_serializer(data=request.data)
+            serializer.is_valid(raise_exception=True)
+            serializer.save() 
+            return Response(serializer.data)
         
     @action(detail=False, methods=['post'], schema=PlayListSchema())
     def delete_playlist(self, request):