call metadata savers after items are updated

MediaBrowser.Controller/Library/ILibraryManager.cs

@@ -145,13 +145,16 @@ namespace MediaBrowser.Controller.Library
         /// <param name="itemComparers">The item comparers.</param>
         /// <param name="prescanTasks">The prescan tasks.</param>
         /// <param name="postscanTasks">The postscan tasks.</param>
+        /// <param name="savers">The savers.</param>
+        /// <param name="?">The ?.</param>
         void AddParts(IEnumerable<IResolverIgnoreRule> rules, 
             IEnumerable<IVirtualFolderCreator> pluginFolders, 
             IEnumerable<IItemResolver> resolvers, 
             IEnumerable<IIntroProvider> introProviders, 
             IEnumerable<IBaseItemComparer> itemComparers,
             IEnumerable<ILibraryPrescanTask> prescanTasks,
-            IEnumerable<ILibraryPostScanTask> postscanTasks);
+            IEnumerable<ILibraryPostScanTask> postscanTasks,
+            IEnumerable<IMetadataSaver> savers);
 
         /// <summary>
         /// Sorts the specified items.

MediaBrowser.Providers/MediaBrowser.Providers.csproj

@@ -76,6 +76,7 @@
     <Compile Include="Music\LastfmHelper.cs" />
     <Compile Include="Music\MusicArtistProviderFromJson.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Savers\MovieXmlSaver.cs" />
     <Compile Include="TV\EpisodeImageFromMediaLocationProvider.cs" />
     <Compile Include="TV\EpisodeProviderFromXml.cs" />
     <Compile Include="TV\EpisodeXmlParser.cs" />

MediaBrowser.Server.Implementations/Savers/MovieXmlSaver.cs → MediaBrowser.Providers/Savers/MovieXmlSaver.cs

@@ -5,7 +5,7 @@ using MediaBrowser.Model.Entities;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace MediaBrowser.Server.Implementations.Savers
+namespace MediaBrowser.Providers.Savers
 {
     /// <summary>
     /// Saves movie.xml for movies, trailers and music videos

MediaBrowser.Server.Implementations/Library/LibraryManager.cs

@@ -73,6 +73,12 @@ namespace MediaBrowser.Server.Implementations.Library
         /// <value>The comparers.</value>
         private IEnumerable<IBaseItemComparer> Comparers { get; set; }
 
+        /// <summary>
+        /// Gets or sets the savers.
+        /// </summary>
+        /// <value>The savers.</value>
+        private IEnumerable<IMetadataSaver> Savers { get; set; }
+        
         /// <summary>
         /// Gets the active item repository
         /// </summary>
@@ -191,13 +197,15 @@ namespace MediaBrowser.Server.Implementations.Library
         /// <param name="itemComparers">The item comparers.</param>
         /// <param name="prescanTasks">The prescan tasks.</param>
         /// <param name="postscanTasks">The postscan tasks.</param>
+        /// <param name="savers">The savers.</param>
         public void AddParts(IEnumerable<IResolverIgnoreRule> rules,
             IEnumerable<IVirtualFolderCreator> pluginFolders,
             IEnumerable<IItemResolver> resolvers,
             IEnumerable<IIntroProvider> introProviders,
             IEnumerable<IBaseItemComparer> itemComparers,
             IEnumerable<ILibraryPrescanTask> prescanTasks,
-            IEnumerable<ILibraryPostScanTask> postscanTasks)
+            IEnumerable<ILibraryPostScanTask> postscanTasks,
+            IEnumerable<IMetadataSaver> savers)
         {
             EntityResolutionIgnoreRules = rules;
             PluginFolderCreators = pluginFolders;
@@ -206,6 +214,7 @@ namespace MediaBrowser.Server.Implementations.Library
             Comparers = itemComparers;
             PrescanTasks = prescanTasks;
             PostscanTasks = postscanTasks;
+            Savers = savers;
         }
 
         /// <summary>
@@ -1259,7 +1268,7 @@ namespace MediaBrowser.Server.Implementations.Library
                     }
                     catch (Exception ex)
                     {
-                        _logger.ErrorException("Error in ItemUpdated event handler", ex);
+                        _logger.ErrorException("Error in ItemAdded event handler", ex);
                     }
                 }
             }
@@ -1282,19 +1291,9 @@ namespace MediaBrowser.Server.Implementations.Library
                 UpdateItemInLibraryCache(item);
             }
 
-            if (ItemUpdated != null)
+            foreach (var item in list)
             {
-                foreach (var item in list)
-                {
-                    try
-                    {
-                        ItemUpdated(this, new ItemChangeEventArgs { Item = item });
-                    }
-                    catch (Exception ex)
-                    {
-                        _logger.ErrorException("Error in ItemUpdated event handler", ex);
-                    }
-                }
+                await OnItemUpdated(item, CancellationToken.None).ConfigureAwait(false);
             }
         }
 
@@ -1366,5 +1365,41 @@ namespace MediaBrowser.Server.Implementations.Library
 
             return children;
         }
+
+        /// <summary>
+        /// Called when [item updated].
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        private async Task OnItemUpdated(BaseItem item, CancellationToken cancellationToken)
+        {
+            if (ConfigurationManager.Configuration.SaveLocalMeta)
+            {
+                foreach (var saver in Savers.Where(i => i.Supports(item)))
+                {
+                    try
+                    {
+                        await saver.Save(item, cancellationToken).ConfigureAwait(false);
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.ErrorException("Error in metadata saver", ex);
+                    }
+                }
+            }
+
+            if (ItemUpdated != null)
+            {
+                try
+                {
+                    ItemUpdated(this, new ItemChangeEventArgs { Item = item });
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error in ItemUpdated event handler", ex);
+                }
+            }
+        }
     }
 }

MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj

@@ -143,7 +143,6 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Providers\ProviderManager.cs" />
     <Compile Include="Reflection\TypeMapper.cs" />
-    <Compile Include="Savers\MovieXmlSaver.cs" />
     <Compile Include="ScheduledTasks\ArtistValidationTask.cs" />
     <Compile Include="ScheduledTasks\PeopleValidationTask.cs" />
     <Compile Include="ScheduledTasks\ChapterImagesTask.cs" />

MediaBrowser.ServerApplication/ApplicationHost.cs

@@ -397,7 +397,8 @@ namespace MediaBrowser.ServerApplication
                                     GetExports<IIntroProvider>(),
                                     GetExports<IBaseItemComparer>(),
                                     GetExports<ILibraryPrescanTask>(),
-                                    GetExports<ILibraryPostScanTask>());
+                                    GetExports<ILibraryPostScanTask>(),
+                                    GetExports<IMetadataSaver>());
 
             ProviderManager.AddMetadataProviders(GetExports<BaseMetadataProvider>().ToArray());
         }