Add prefetched covers to history view

api/funkwhale_api/history/views.py

@@ -56,7 +56,7 @@ class ListeningViewSet(
         )
         tracks = Track.objects.with_playable_uploads(
             music_utils.get_actor_from_request(self.request)
-        ).select_related("artist", "album__artist", "attributed_to")
+        ).select_related("artist", "album__artist", "attributed_to", "artist__attachment_cover")
         return queryset.prefetch_related(Prefetch("track", queryset=tracks))
 
     def get_serializer_context(self):

api/funkwhale_api/music/serializers.py

@@ -162,17 +162,19 @@ def serialize_artist_simple(artist):
         "content_category": artist.content_category,
     }
 
-    data["description"] = (
-        common_serializers.ContentSerializer(artist.description).data
-        if artist.description
-        else None
-    )
+    if "description" in artist._state.fields_cache:
+        data["description"] = (
+            common_serializers.ContentSerializer(artist.description).data
+            if artist.description
+            else None
+        )
 
-    data["cover"] = (
-        cover_field.to_representation(artist.attachment_cover)
-        if artist.attachment_cover
-        else None
-    )
+    if "attachment_cover" in artist._state.fields_cache:
+        data["cover"] = (
+            cover_field.to_representation(artist.attachment_cover)
+            if artist.attachment_cover
+            else None
+        )
 
     if artist.get_channel():
         data["channel"] = str(artist.channel.uuid)