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@ -128,6 +128,10 @@ namespace MediaBrowser.Server.Implementations.Library
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/// <value>The by reference items.</value>
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private ConcurrentDictionary<Guid, BaseItem> ByReferenceItems { get; set; }
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private IEnumerable<IMetadataSaver> _savers;
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private readonly Func<IDirectoryWatchers> _directoryWatchersFactory;
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/// <summary>
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/// The _library items cache
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/// </summary>
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@ -167,13 +171,14 @@ namespace MediaBrowser.Server.Implementations.Library
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/// <param name="userManager">The user manager.</param>
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/// <param name="configurationManager">The configuration manager.</param>
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/// <param name="userDataRepository">The user data repository.</param>
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public LibraryManager(ILogger logger, ITaskManager taskManager, IUserManager userManager, IServerConfigurationManager configurationManager, IUserDataRepository userDataRepository)
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public LibraryManager(ILogger logger, ITaskManager taskManager, IUserManager userManager, IServerConfigurationManager configurationManager, IUserDataRepository userDataRepository, Func<IDirectoryWatchers> directoryWatchersFactory)
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{
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_logger = logger;
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_taskManager = taskManager;
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_userManager = userManager;
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ConfigurationManager = configurationManager;
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_userDataRepository = userDataRepository;
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_directoryWatchersFactory = directoryWatchersFactory;
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ByReferenceItems = new ConcurrentDictionary<Guid, BaseItem>();
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ConfigurationManager.ConfigurationUpdated += ConfigurationUpdated;
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@ -191,13 +196,15 @@ namespace MediaBrowser.Server.Implementations.Library
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/// <param name="itemComparers">The item comparers.</param>
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/// <param name="prescanTasks">The prescan tasks.</param>
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/// <param name="postscanTasks">The postscan tasks.</param>
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/// <param name="savers">The savers.</param>
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public void AddParts(IEnumerable<IResolverIgnoreRule> rules,
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IEnumerable<IVirtualFolderCreator> pluginFolders,
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IEnumerable<IItemResolver> resolvers,
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IEnumerable<IIntroProvider> introProviders,
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IEnumerable<IBaseItemComparer> itemComparers,
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IEnumerable<ILibraryPrescanTask> prescanTasks,
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IEnumerable<ILibraryPostScanTask> postscanTasks)
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IEnumerable<ILibraryPostScanTask> postscanTasks,
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IEnumerable<IMetadataSaver> savers)
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{
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EntityResolutionIgnoreRules = rules;
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PluginFolderCreators = pluginFolders;
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@ -206,6 +213,7 @@ namespace MediaBrowser.Server.Implementations.Library
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Comparers = itemComparers;
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PrescanTasks = prescanTasks;
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PostscanTasks = postscanTasks;
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_savers = savers;
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}
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/// <summary>
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@ -326,7 +334,7 @@ namespace MediaBrowser.Server.Implementations.Library
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/// <param name="newName">The new name.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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private Task UpdateSeasonZeroNames(string newName, CancellationToken cancellationToken)
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private async Task UpdateSeasonZeroNames(string newName, CancellationToken cancellationToken)
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{
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var seasons = RootFolder.RecursiveChildren
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.OfType<Season>()
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@ -336,9 +344,16 @@ namespace MediaBrowser.Server.Implementations.Library
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foreach (var season in seasons)
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{
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season.Name = newName;
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}
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return UpdateItems(seasons, cancellationToken);
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try
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{
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await UpdateItem(season, ItemUpdateType.MetadataEdit, cancellationToken).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error saving {0}", ex, season.Path);
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}
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}
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}
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/// <summary>
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@ -1278,33 +1293,35 @@ namespace MediaBrowser.Server.Implementations.Library
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}
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/// <summary>
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/// Updates the items.
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/// Updates the item.
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/// </summary>
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/// <param name="items">The items.</param>
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/// <param name="item">The item.</param>
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/// <param name="updateReason">The update reason.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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private async Task UpdateItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken)
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public async Task UpdateItem(BaseItem item, ItemUpdateType updateReason, CancellationToken cancellationToken)
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{
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var list = items.ToList();
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await ItemRepository.SaveItem(item, cancellationToken).ConfigureAwait(false);
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await ItemRepository.SaveItems(list, cancellationToken).ConfigureAwait(false);
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UpdateItemInLibraryCache(item);
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foreach (var item in list)
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// If metadata was downloaded or edited, save external metadata
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if ((updateReason & ItemUpdateType.MetadataEdit) == ItemUpdateType.MetadataEdit)
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{
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UpdateItemInLibraryCache(item);
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OnItemUpdated(item);
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await SaveMetadata(item).ConfigureAwait(false);
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}
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}
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/// <summary>
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/// Updates the item.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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public Task UpdateItem(BaseItem item, CancellationToken cancellationToken)
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{
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return UpdateItems(new[] { item }, cancellationToken);
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if (ItemUpdated != null)
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{
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try
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{
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ItemUpdated(this, new ItemChangeEventArgs { Item = item });
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error in ItemUpdated event handler", ex);
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}
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}
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}
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/// <summary>
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@ -1337,22 +1354,38 @@ namespace MediaBrowser.Server.Implementations.Library
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return ItemRepository.RetrieveItem(id, type);
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}
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private readonly ConcurrentDictionary<string, SemaphoreSlim> _fileLocks = new ConcurrentDictionary<string, SemaphoreSlim>();
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/// <summary>
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/// Called when [item updated].
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/// Saves the metadata.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns>Task.</returns>
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private void OnItemUpdated(BaseItem item)
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private async Task SaveMetadata(BaseItem item)
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{
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if (ItemUpdated != null)
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foreach (var saver in _savers.Where(i => i.Supports(item)))
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{
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var path = saver.GetSavePath(item);
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var semaphore = _fileLocks.GetOrAdd(path, key => new SemaphoreSlim(1, 1));
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var directoryWatchers = _directoryWatchersFactory();
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await semaphore.WaitAsync().ConfigureAwait(false);
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try
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{
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ItemUpdated(this, new ItemChangeEventArgs { Item = item });
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directoryWatchers.TemporarilyIgnore(path);
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saver.Save(item, CancellationToken.None);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error in ItemUpdated event handler", ex);
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_logger.ErrorException("Error in metadata saver", ex);
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}
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finally
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{
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directoryWatchers.RemoveTempIgnore(path);
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semaphore.Release();
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}
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}
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}
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Luke Pulverenti
12 years ago