Fixed: Make artist stats update when album (un)monitored (#673)

src/Lidarr.Api.V1/Artist/ArtistModule.cs

@@ -25,6 +25,7 @@ namespace Lidarr.Api.V1.Artist
 {
     public class ArtistModule : LidarrRestModuleWithSignalR<ArtistResource, NzbDrone.Core.Music.Artist>, 
                                 IHandle<AlbumImportedEvent>,
+                                IHandle<AlbumEditedEvent>,
                                 IHandle<TrackFileDeletedEvent>,
                                 IHandle<ArtistUpdatedEvent>,       
                                 IHandle<ArtistEditedEvent>,  
@@ -242,6 +243,11 @@ namespace Lidarr.Api.V1.Artist
             BroadcastResourceChange(ModelAction.Updated, GetArtistResource(message.Artist));
         }
 
+        public void Handle(AlbumEditedEvent message)
+        {
+            BroadcastResourceChange(ModelAction.Updated, GetArtistResource(message.Album.Artist.Value));
+        }
+
         public void Handle(TrackFileDeletedEvent message)
         {
             if (message.Reason == DeleteMediaFileReason.Upgrade) return;

src/NzbDrone.Core/Music/AlbumService.cs

@@ -282,12 +282,21 @@ namespace NzbDrone.Core.Music
             var album = _albumRepository.Get(albumId);
             _albumRepository.SetMonitoredFlat(album, monitored);
 
+            // publish album edited event so artist stats update
+            _eventAggregator.PublishEvent(new AlbumEditedEvent(album, album));
+
             _logger.Debug("Monitored flag for Album:{0} was set to {1}", albumId, monitored);
         }
 
         public void SetMonitored(IEnumerable<int> ids, bool monitored)
         {
             _albumRepository.SetMonitored(ids, monitored);
+
+            // publish album edited event so artist stats update
+            foreach (var album in _albumRepository.Get(ids))
+            {
+                _eventAggregator.PublishEvent(new AlbumEditedEvent(album, album));
+            }
         }
 
         public List<Album> UpdateAlbums(List<Album> albums)