Fixed: Frontend updates when selected album release changed

src/NzbDrone.Core/MediaFiles/Commands/RescanArtistCommand.cs

@@ -5,16 +5,19 @@ namespace NzbDrone.Core.MediaFiles.Commands
     public class RescanArtistCommand : Command
     {
         public int? ArtistId { get; set; }
+        public FilterFilesType Filter { get; set; }
 
         public override bool SendUpdatesToClient => true;
 
-        public RescanArtistCommand()
+        public RescanArtistCommand(FilterFilesType filter = FilterFilesType.Known)
         {
+            Filter = filter;
         }
 
-        public RescanArtistCommand(int artistId)
+        public RescanArtistCommand(int artistId, FilterFilesType filter = FilterFilesType.Known)
         {
             ArtistId = artistId;
+            Filter = filter;
         }
     }
 }

src/NzbDrone.Core/MediaFiles/DiskScanService.cs

@@ -275,7 +275,7 @@ namespace NzbDrone.Core.MediaFiles
             if (message.ArtistId.HasValue)
             {
                 var artist = _artistService.GetArtist(message.ArtistId.Value);
-                Scan(artist);
+                Scan(artist, message.Filter);
             }
 
             else
@@ -284,7 +284,7 @@ namespace NzbDrone.Core.MediaFiles
 
                 foreach (var artist in allArtists)
                 {
-                    Scan(artist);
+                    Scan(artist, message.Filter);
                 }
             }
         }

src/NzbDrone.Core/MediaFiles/TrackImport/ImportApprovedTracks.cs

@@ -102,7 +102,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
 
                 // set the correct release to be monitored before importing the new files
                 _logger.Debug("Updating release to {0} [{1} tracks]", newRelease, newRelease.TrackCount);
-                _releaseService.SetMonitored(newRelease);
+                album.AlbumReleases = _releaseService.SetMonitored(newRelease);
 
                 // Publish album edited event.
                 // Deliberatly don't put in the old album since we don't want to trigger an ArtistScan.
@@ -111,6 +111,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
 
             var filesToAdd = new List<TrackFile>(qualifiedImports.Count);
             var albumReleasesDict = new Dictionary<int, List<AlbumRelease>>(albumDecisions.Count);
+            var trackImportedEvents = new List<TrackImportedEvent>(qualifiedImports.Count);
             
             foreach (var importDecision in qualifiedImports.OrderBy(e => e.Item.Tracks.Select(track => track.AbsoluteTrackNumber).MinOrDefault())
                                                            .ThenByDescending(e => e.Item.Size))
@@ -209,7 +210,9 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
                     allImportedTrackFiles.Add(trackFile);
                     allOldTrackFiles.AddRange(oldFiles);
 
-                    _eventAggregator.PublishEvent(new TrackImportedEvent(localTrack, trackFile, oldFiles, !localTrack.ExistingFile, downloadClientItem));
+                    // create all the import events here, but we can't publish until the trackfiles have been
+                    // inserted and ids created
+                    trackImportedEvents.Add(new TrackImportedEvent(localTrack, trackFile, oldFiles, !localTrack.ExistingFile, downloadClientItem));
                 }
                 catch (RootFolderNotFoundException e)
                 {
@@ -245,6 +248,12 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
             _trackService.SetFileIds(filesToAdd.SelectMany(x => x.Tracks.Value).ToList());
             _logger.Debug($"TrackFileIds updated, total {watch.ElapsedMilliseconds}ms");
 
+            // now that trackfiles have been inserted and ids generated, publish the import events
+            foreach (var trackImportedEvent in trackImportedEvents)
+            {
+                _eventAggregator.PublishEvent(trackImportedEvent);
+            }
+
             var albumImports = importResults.Where(e => e.ImportDecision.Item.Album != null)
                 .GroupBy(e => e.ImportDecision.Item.Album.Id).ToList();
 

src/NzbDrone.Core/Music/AlbumEditedService.cs

@@ -4,16 +4,20 @@ using NzbDrone.Core.MediaFiles.Commands;
 using NzbDrone.Core.Music.Events;
 using System.Linq;
 using System.Collections.Generic;
+using NzbDrone.Core.MediaFiles;
 
 namespace NzbDrone.Core.Music
 {
     public class AlbumEditedService : IHandle<AlbumEditedEvent>
     {
         private readonly IManageCommandQueue _commandQueueManager;
+        private readonly ITrackService _trackService;
 
-        public AlbumEditedService(IManageCommandQueue commandQueueManager)
+        public AlbumEditedService(IManageCommandQueue commandQueueManager,
+            ITrackService  trackService)
         {
             _commandQueueManager = commandQueueManager;
+            _trackService = trackService;
         }
 
         public void Handle(AlbumEditedEvent message)
@@ -25,7 +29,12 @@ namespace NzbDrone.Core.Music
                 if (!new_monitored.SetEquals(old_monitored) ||
                     (message.OldAlbum.AnyReleaseOk == false && message.Album.AnyReleaseOk == true))
                 {
-                   _commandQueueManager.Push(new RescanArtistCommand(message.Album.ArtistId));
+                    // Unlink any old track files
+                    var tracks = _trackService.GetTracksByAlbum(message.Album.Id);
+                    tracks.ForEach(x => x.TrackFileId = 0);
+                    _trackService.SetFileIds(tracks);
+
+                    _commandQueueManager.Push(new RescanArtistCommand(message.Album.ArtistId, FilterFilesType.Matched));
                 }
             }
         }