исправил ошибку + добавил валидацию

server/proj/audio/admin.py

@@ -5,7 +5,7 @@ from .models import Song, FavoriteSong, PlayList, Podkast
 class SongAdmin(admin.ModelAdmin):
     list_display = ('slug', 'title', 'artist', 'genre', 'album')
     exclude = ('azura_id',)
-    readonly_fields = ['slug']
+    readonly_fields = ['slug', 'unique_id']
     
         
 @admin.register(FavoriteSong)

server/proj/audio/models.py

@@ -54,7 +54,6 @@ class PlayList(models.Model):
     
     class Meta:
         verbose_name = 'Плейлисты'
-        unique_together = ('name', 'user')
         verbose_name_plural = 'Плейлисты'
 
 class Podkast(models.Model):

server/proj/audio/serializers.py

@@ -7,6 +7,16 @@ class SongSerializer(serializers.ModelSerializer):
         fields = ('id', 'unique_id', 'azura_id', 'title', 'artist', 'album', 'genre', 'art')
 
 class PlayListSerializer(serializers.ModelSerializer):
+    def validate(self, attrs):
+        if PlayList.objects.filter(
+                name=attrs.get('name'),
+                user=attrs.get('user')
+        ).exists():
+            raise serializers.ValidationError(
+                {
+                    'playlist': ['Данный плейлист уже существует']
+                })
+        return super().validate(attrs)
     class Meta:
         model = PlayList
         fields = ('id', 'name', 'song', 'user', 'playlist_art')
@@ -18,22 +28,31 @@ class PlayListSerializer(serializers.ModelSerializer):
         return rep 
 
 class FavoriteSongSerializer(serializers.ModelSerializer):
-    def __init__(self, *args, **kwargs):
-        self.request_user = kwargs.pop('request_user', None)
-        super().__init__(*args, **kwargs)
 
+    def validate(self, attrs):
+        if FavoriteSong.objects.filter(
+            song=attrs.get('song'), 
+            user=attrs.get('user')
+        ).exists():
+            raise serializers.ValidationError(
+                {
+                    'song': ['Данный трек уже добавлен в избранное']
+                })
+        return super().validate(attrs)
+    
     class Meta:
         model = FavoriteSong    
-        fields = ('id', 'song',)
+        fields = ('id', 'song', 'user')
     
     def to_representation(self, instance):
         rep = super().to_representation(instance)
         rep["song"] = SongSerializer(
             instance.song).data
-        return rep 
+        return rep  
         
 class PodkastSerializer(serializers.ModelSerializer):
     class Meta:
         model = Podkast
         fields = '__all__'
+        
         

server/proj/audio/views.py

@@ -58,18 +58,20 @@ class PlayListViewSet(GenericViewSet):
             data = request.data
             data.update(user=request.user.pk)
             serializer = self.get_serializer(data=request.data)
-            serializer.is_valid(raise_exception=True)
-            serializer.save() 
-            return Response(serializer.data)
+            if serializer.is_valid():
+                serializer.save() 
+                return Response(serializer.data)
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
         else:
-            playlist_pk = self.get_queryset().objects.filter(user=request.user.pk)
+            playlist_pk = self.get_queryset().filter(user=request.user.pk)
             name = f"Плейлист № {len(playlist_pk)+1}"
             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)
+            if serializer.is_valid():
+                serializer.save() 
+                return Response(serializer.data)
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
         
     @action(detail=True, methods=['post'], schema=PlayListSchema())
     def update_playlist(self, request, *args, **kwargs):
@@ -107,7 +109,7 @@ class PlayListViewSet(GenericViewSet):
             song_serializer = SongSerializer(data=data)
             if song_serializer.is_valid():
                 song_serializer.save()
-            song = song_serializer.data['id']
+                song = song_serializer.data['id']
         instance = self.get_object()
         instance.song.add(song)
         serializer = self.get_serializer(instance)
@@ -117,8 +119,9 @@ class FavoriteSongViewSet(GenericViewSet):
     azura = AzuraCast()
     queryset = FavoriteSong.objects.all()
     serializer_class = FavoriteSongSerializer
-    permission_classes = (IsAuthenticated, )
+    #permission_classes = (IsAuthenticated, )
     lookup_field = 'azura_id'
+
     def list(self, request):
         queryset = self.get_queryset()
         serializer = self.get_serializer(queryset, many=True, request_user=request.user)
@@ -138,7 +141,6 @@ class FavoriteSongViewSet(GenericViewSet):
         data = None
         try:
             song = Song.objects.get(azura_id=request.data.get('azura_id'))
-            
             data = {
                 'song': song.pk,
                 'user': request.user.pk
@@ -154,8 +156,9 @@ class FavoriteSongViewSet(GenericViewSet):
                 "song": serializer.data['id'], 
                 "user": request.user.pk
             }
+        
         serializer = self.get_serializer(data=data)
-        if serializer.is_valid():
+        if serializer.validate(data):
             serializer.save()
             return Response(serializer.data, status=status.HTTP_201_CREATED)
         else:
@@ -164,7 +167,7 @@ class FavoriteSongViewSet(GenericViewSet):
     @action(detail=True, methods=['delete'])
     def delete_song(self, request, *args, **kwargs):
         try:
-            song = Song.objects.get(azura_id = kwargs.get('azura_id'))
+            song = Song.objects.get(azura_id=kwargs.get('azura_id'))
             queryset = self.get_queryset().get(user=request.user, song=song.pk)
             queryset.delete()
             return Response(status=status.HTTP_202_ACCEPTED)

server/proj/news/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.0.6 on 2024-07-01 09:51
+# Generated by Django 5.0.6 on 2024-07-02 05:18
 
 import django.utils.timezone
 from django.db import migrations, models

server/proj/rubricks/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.0.6 on 2024-07-01 09:51
+# Generated by Django 5.0.6 on 2024-07-02 05:18
 
 from django.db import migrations, models