update artist and album fields on song changes

MediaBrowser.Controller/Entities/Audio/MusicArtist.cs

@@ -1,4 +1,5 @@
-using MediaBrowser.Controller.Providers;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Users;
@@ -148,12 +149,15 @@ namespace MediaBrowser.Controller.Entities.Audio
             var totalItems = songs.Count + others.Count;
             var numComplete = 0;
 
+            var childUpdateType = ItemUpdateType.None;
+
             // Refresh songs
             foreach (var item in songs)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
-                await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
+                var updateType = await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
+                childUpdateType = childUpdateType | updateType;
 
                 numComplete++;
                 double percent = numComplete;
@@ -161,15 +165,22 @@ namespace MediaBrowser.Controller.Entities.Audio
                 progress.Report(percent * 100);
             }
 
+            var parentRefreshOptions = refreshOptions;
+            if (childUpdateType > ItemUpdateType.None)
+            {
+                parentRefreshOptions = new MetadataRefreshOptions(refreshOptions);
+                parentRefreshOptions.MetadataRefreshMode = MetadataRefreshMode.FullRefresh;
+            }
+
             // Refresh current item
-            await RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
+            await RefreshMetadata(parentRefreshOptions, cancellationToken).ConfigureAwait(false);
 
             // Refresh all non-songs
             foreach (var item in others)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
-                await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
+                var updateType = await item.RefreshMetadata(parentRefreshOptions, cancellationToken).ConfigureAwait(false);
 
                 numComplete++;
                 double percent = numComplete;

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -717,7 +717,7 @@ namespace MediaBrowser.Controller.Entities
         /// <param name="options">The options.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>true if a provider reports we changed</returns>
-        public async Task RefreshMetadata(MetadataRefreshOptions options, CancellationToken cancellationToken)
+        public async Task<ItemUpdateType> RefreshMetadata(MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             var locationType = LocationType;
 
@@ -744,15 +744,16 @@ namespace MediaBrowser.Controller.Entities
                 }
             }
 
-            var dateLastSaved = DateLastSaved;
+            var refreshOptions = requiresSave
+                ? new MetadataRefreshOptions(options)
+                {
+                    ForceSave = true
+                }
+                : options;
 
-            await ProviderManager.RefreshMetadata(this, options, cancellationToken).ConfigureAwait(false);
+            var result = await ProviderManager.RefreshMetadata(this, refreshOptions, cancellationToken).ConfigureAwait(false);
 
-            // If it wasn't saved by the provider process, save now
-            if (requiresSave && dateLastSaved == DateLastSaved)
-            {
-                await UpdateToRepository(ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
-            }
+            return result;
         }
 
         [IgnoreDataMember]

MediaBrowser.Controller/LiveTv/ILiveTvRecording.cs

@@ -1,4 +1,5 @@
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Library;
 using System.Threading;
@@ -22,7 +23,7 @@ namespace MediaBrowser.Controller.LiveTv
 
         bool IsParentalAllowed(User user);
 
-        Task RefreshMetadata(MetadataRefreshOptions options, CancellationToken cancellationToken);
+        Task<ItemUpdateType> RefreshMetadata(MetadataRefreshOptions options, CancellationToken cancellationToken);
 
         PlayAccess GetPlayAccess(User user);
 

MediaBrowser.Controller/Providers/IMetadataService.cs

@@ -1,6 +1,7 @@
-using System.Threading;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Controller.Entities;
 
 namespace MediaBrowser.Controller.Providers
 {
@@ -20,7 +21,7 @@ namespace MediaBrowser.Controller.Providers
         /// <param name="refreshOptions">The options.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
-        Task RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken);
+        Task<ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken);
 
         /// <summary>
         /// Gets the order.

MediaBrowser.Controller/Providers/IProviderManager.cs

@@ -23,7 +23,7 @@ namespace MediaBrowser.Controller.Providers
         /// <param name="options">The options.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
-        Task RefreshMetadata(IHasMetadata item, MetadataRefreshOptions options, CancellationToken cancellationToken);
+        Task<ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions options, CancellationToken cancellationToken);
 
         /// <summary>
         /// Saves the image.

MediaBrowser.Controller/Providers/MetadataRefreshOptions.cs

@@ -12,7 +12,7 @@ namespace MediaBrowser.Controller.Providers
         public bool ReplaceAllMetadata { get; set; }
 
         public bool IsPostRecursiveRefresh { get; set; }
-        
+
         public MetadataRefreshMode MetadataRefreshMode { get; set; }
 
         public bool ForceSave { get; set; }
@@ -28,7 +28,7 @@ namespace MediaBrowser.Controller.Providers
             MetadataRefreshMode = MetadataRefreshMode.Default;
         }
 
-        public MetadataRefreshOptions( MetadataRefreshOptions copy)
+        public MetadataRefreshOptions(MetadataRefreshOptions copy)
             : base(copy.DirectoryService)
         {
             MetadataRefreshMode = copy.MetadataRefreshMode;

MediaBrowser.Providers/Manager/MetadataService.cs

@@ -87,7 +87,7 @@ namespace MediaBrowser.Providers.Manager
             return ProviderRepo.GetMetadataStatus(item.Id) ?? new MetadataStatus { ItemId = item.Id };
         }
 
-        public async Task RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
+        public async Task<ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
         {
             var itemOfType = (TItemType)item;
             var config = ProviderManager.GetMetadataOptions(item);
@@ -184,6 +184,8 @@ namespace MediaBrowser.Providers.Manager
             }
 
             await AfterMetadataRefresh(itemOfType, refreshOptions, cancellationToken).ConfigureAwait(false);
+
+            return updateType;
         }
 
         private readonly Task _cachedTask = Task.FromResult(true);

MediaBrowser.Providers/Manager/ProviderManager.cs

@@ -108,7 +108,7 @@ namespace MediaBrowser.Providers.Manager
             _externalIds = externalIds.OrderBy(i => i.Name).ToArray();
         }
 
-        public Task RefreshMetadata(IHasMetadata item, MetadataRefreshOptions options, CancellationToken cancellationToken)
+        public Task<ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             var service = _metadataServices.FirstOrDefault(i => i.CanRefresh(item));
 
@@ -118,7 +118,7 @@ namespace MediaBrowser.Providers.Manager
             }
 
             _logger.Error("Unable to find a metadata service for item of type " + item.GetType().Name);
-            return Task.FromResult(true);
+            return Task.FromResult(ItemUpdateType.None);
         }
 
         public async Task SaveImage(IHasImages item, string url, SemaphoreSlim resourcePool, ImageType type, int? imageIndex, CancellationToken cancellationToken)