1562 lines
55 KiB
C#
1562 lines
55 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Progress;
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using MediaBrowser.Common.ScheduledTasks;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Controller.Sorting;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Server.Implementations.Library.Validators;
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using MediaBrowser.Server.Implementations.ScheduledTasks;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using SortOrder = MediaBrowser.Model.Entities.SortOrder;
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namespace MediaBrowser.Server.Implementations.Library
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{
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/// <summary>
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/// Class LibraryManager
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/// </summary>
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public class LibraryManager : ILibraryManager
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{
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/// <summary>
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/// Gets or sets the postscan tasks.
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/// </summary>
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/// <value>The postscan tasks.</value>
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private IEnumerable<ILibraryPostScanTask> PostscanTasks { get; set; }
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/// <summary>
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/// Gets or sets the prescan tasks.
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/// </summary>
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/// <value>The prescan tasks.</value>
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private IEnumerable<ILibraryPrescanTask> PrescanTasks { get; set; }
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/// <summary>
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/// Gets or sets the people prescan tasks.
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/// </summary>
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/// <value>The people prescan tasks.</value>
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private IEnumerable<IPeoplePrescanTask> PeoplePrescanTasks { get; set; }
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/// <summary>
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/// Gets the intro providers.
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/// </summary>
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/// <value>The intro providers.</value>
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private IEnumerable<IIntroProvider> IntroProviders { get; set; }
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/// <summary>
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/// Gets the list of entity resolution ignore rules
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/// </summary>
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/// <value>The entity resolution ignore rules.</value>
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private IResolverIgnoreRule[] EntityResolutionIgnoreRules { get; set; }
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/// <summary>
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/// Gets the list of BasePluginFolders added by plugins
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/// </summary>
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/// <value>The plugin folders.</value>
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private IVirtualFolderCreator[] PluginFolderCreators { get; set; }
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/// <summary>
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/// Gets the list of currently registered entity resolvers
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/// </summary>
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/// <value>The entity resolvers enumerable.</value>
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private IItemResolver[] EntityResolvers { get; set; }
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/// <summary>
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/// Gets or sets the comparers.
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/// </summary>
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/// <value>The comparers.</value>
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private IBaseItemComparer[] Comparers { get; set; }
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/// <summary>
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/// Gets the active item repository
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/// </summary>
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/// <value>The item repository.</value>
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public IItemRepository ItemRepository { get; set; }
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/// <summary>
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/// Occurs when [item added].
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/// </summary>
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public event EventHandler<ItemChangeEventArgs> ItemAdded;
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/// <summary>
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/// Occurs when [item updated].
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/// </summary>
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public event EventHandler<ItemChangeEventArgs> ItemUpdated;
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/// <summary>
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/// Occurs when [item removed].
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/// </summary>
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public event EventHandler<ItemChangeEventArgs> ItemRemoved;
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/// <summary>
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/// The _logger
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/// </summary>
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private readonly ILogger _logger;
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/// <summary>
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/// The _task manager
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/// </summary>
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private readonly ITaskManager _taskManager;
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/// <summary>
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/// The _user manager
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/// </summary>
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private readonly IUserManager _userManager;
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/// <summary>
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/// The _user data repository
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/// </summary>
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private readonly IUserDataManager _userDataRepository;
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/// <summary>
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/// Gets or sets the configuration manager.
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/// </summary>
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/// <value>The configuration manager.</value>
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private IServerConfigurationManager ConfigurationManager { get; set; }
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/// <summary>
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/// A collection of items that may be referenced from multiple physical places in the library
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/// (typically, multiple user roots). We store them here and be sure they all reference a
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/// single instance.
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/// </summary>
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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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private ConcurrentDictionary<Guid, BaseItem> _libraryItemsCache;
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/// <summary>
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/// The _library items cache sync lock
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/// </summary>
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private object _libraryItemsCacheSyncLock = new object();
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/// <summary>
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/// The _library items cache initialized
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/// </summary>
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private bool _libraryItemsCacheInitialized;
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/// <summary>
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/// Gets the library items cache.
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/// </summary>
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/// <value>The library items cache.</value>
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private ConcurrentDictionary<Guid, BaseItem> LibraryItemsCache
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{
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get
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{
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LazyInitializer.EnsureInitialized(ref _libraryItemsCache, ref _libraryItemsCacheInitialized, ref _libraryItemsCacheSyncLock, CreateLibraryItemsCache);
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return _libraryItemsCache;
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}
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}
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/// <summary>
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/// The _user root folders
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/// </summary>
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private readonly ConcurrentDictionary<string, UserRootFolder> _userRootFolders =
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new ConcurrentDictionary<string, UserRootFolder>();
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private readonly IFileSystem _fileSystem;
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/// <summary>
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/// Initializes a new instance of the <see cref="LibraryManager" /> class.
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/// </summary>
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/// <param name="logger">The logger.</param>
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/// <param name="taskManager">The task manager.</param>
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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, IUserDataManager userDataRepository, Func<IDirectoryWatchers> directoryWatchersFactory, IFileSystem fileSystem)
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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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_fileSystem = fileSystem;
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ByReferenceItems = new ConcurrentDictionary<Guid, BaseItem>();
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ConfigurationManager.ConfigurationUpdated += ConfigurationUpdated;
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RecordConfigurationValues(configurationManager.Configuration);
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}
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/// <summary>
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/// Adds the parts.
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/// </summary>
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/// <param name="rules">The rules.</param>
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/// <param name="pluginFolders">The plugin folders.</param>
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/// <param name="resolvers">The resolvers.</param>
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/// <param name="introProviders">The intro providers.</param>
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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="peoplePrescanTasks">The people prescan 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<IPeoplePrescanTask> peoplePrescanTasks,
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IEnumerable<IMetadataSaver> savers)
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{
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EntityResolutionIgnoreRules = rules.ToArray();
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PluginFolderCreators = pluginFolders.ToArray();
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EntityResolvers = resolvers.OrderBy(i => i.Priority).ToArray();
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IntroProviders = introProviders;
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Comparers = itemComparers.ToArray();
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PrescanTasks = prescanTasks;
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PostscanTasks = postscanTasks;
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PeoplePrescanTasks = peoplePrescanTasks;
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_savers = savers;
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}
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/// <summary>
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/// The _root folder
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/// </summary>
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private AggregateFolder _rootFolder;
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/// <summary>
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/// The _root folder sync lock
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/// </summary>
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private object _rootFolderSyncLock = new object();
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/// <summary>
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/// The _root folder initialized
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/// </summary>
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private bool _rootFolderInitialized;
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/// <summary>
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/// Gets the root folder.
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/// </summary>
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/// <value>The root folder.</value>
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public AggregateFolder RootFolder
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{
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get
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{
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LazyInitializer.EnsureInitialized(ref _rootFolder, ref _rootFolderInitialized, ref _rootFolderSyncLock, CreateRootFolder);
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return _rootFolder;
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}
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private set
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{
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_rootFolder = value;
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if (value == null)
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{
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_rootFolderInitialized = false;
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}
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}
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}
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/// <summary>
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/// The _items by name path
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/// </summary>
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private string _itemsByNamePath;
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/// <summary>
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/// The _season zero display name
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/// </summary>
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private string _seasonZeroDisplayName;
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/// <summary>
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/// Records the configuration values.
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/// </summary>
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/// <param name="configuration">The configuration.</param>
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private void RecordConfigurationValues(ServerConfiguration configuration)
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{
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_seasonZeroDisplayName = ConfigurationManager.Configuration.SeasonZeroDisplayName;
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_itemsByNamePath = ConfigurationManager.ApplicationPaths.ItemsByNamePath;
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}
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/// <summary>
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/// Configurations the updated.
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/// </summary>
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/// <param name="sender">The sender.</param>
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/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
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void ConfigurationUpdated(object sender, EventArgs e)
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{
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var config = ConfigurationManager.Configuration;
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var ibnPathChanged = !string.Equals(_itemsByNamePath, ConfigurationManager.ApplicationPaths.ItemsByNamePath, StringComparison.CurrentCulture);
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if (ibnPathChanged)
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{
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_itemsByName.Clear();
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}
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var newSeasonZeroName = ConfigurationManager.Configuration.SeasonZeroDisplayName;
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var seasonZeroNameChanged = !string.Equals(_seasonZeroDisplayName, newSeasonZeroName, StringComparison.CurrentCulture);
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RecordConfigurationValues(config);
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Task.Run(async () =>
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{
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if (seasonZeroNameChanged)
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{
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await UpdateSeasonZeroNames(newSeasonZeroName, CancellationToken.None).ConfigureAwait(false);
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}
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// Any number of configuration settings could change the way the library is refreshed, so do that now
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_taskManager.CancelIfRunningAndQueue<RefreshMediaLibraryTask>();
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});
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}
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/// <summary>
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/// Updates the season zero names.
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/// </summary>
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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 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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.Where(i => i.IndexNumber.HasValue && i.IndexNumber.Value == 0 && !string.Equals(i.Name, newName, StringComparison.CurrentCulture))
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.ToList();
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foreach (var season in seasons)
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{
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season.Name = newName;
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try
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{
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await UpdateItem(season, ItemUpdateType.MetadataDownload, 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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/// Creates the library items cache.
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/// </summary>
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/// <returns>ConcurrentDictionary{GuidBaseItem}.</returns>
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private ConcurrentDictionary<Guid, BaseItem> CreateLibraryItemsCache()
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{
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var items = RootFolder.GetRecursiveChildren();
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items.Add(RootFolder);
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// Need to use Distinct because there could be multiple instances with the same id
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// due to sharing the default library
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var userRootFolders = _userManager.Users.Select(i => i.RootFolder)
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.Distinct()
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.ToList();
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foreach (var folder in userRootFolders)
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{
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items.Add(folder);
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}
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// Get all user collection folders
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// Skip BasePluginFolders because we already got them from RootFolder.RecursiveChildren
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var userFolders = userRootFolders.SelectMany(i => i.Children)
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.Where(i => !(i is BasePluginFolder))
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.ToList();
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foreach (var folder in userFolders)
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{
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items.Add(folder);
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}
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var dictionary = new ConcurrentDictionary<Guid, BaseItem>();
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foreach (var item in items)
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{
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dictionary[item.Id] = item;
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}
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return dictionary;
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}
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/// <summary>
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/// Updates the item in library cache.
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/// </summary>
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/// <param name="item">The item.</param>
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private void UpdateItemInLibraryCache(BaseItem item)
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{
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if (item is IItemByName)
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{
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var hasDualAccess = item as IHasDualAccess;
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if (hasDualAccess != null)
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{
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if (hasDualAccess.IsAccessedByName)
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{
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return;
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}
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}
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else
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{
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return;
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}
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}
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LibraryItemsCache.AddOrUpdate(item.Id, item, delegate { return item; });
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}
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/// <summary>
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/// Resolves the item.
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/// </summary>
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/// <param name="args">The args.</param>
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/// <returns>BaseItem.</returns>
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public BaseItem ResolveItem(ItemResolveArgs args)
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{
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var item = EntityResolvers.Select(r =>
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{
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try
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{
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return r.ResolvePath(args);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error in {0} resolving {1}", ex, r.GetType().Name, args.Path);
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return null;
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}
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}).FirstOrDefault(i => i != null);
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if (item != null)
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{
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ResolverHelper.SetInitialItemValues(item, args, _fileSystem);
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// Now handle the issue with posibly having the same item referenced from multiple physical
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// places within the library. Be sure we always end up with just one instance.
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if (item is IByReferenceItem)
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{
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item = GetOrAddByReferenceItem(item);
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}
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}
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return item;
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}
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/// <summary>
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/// Ensure supplied item has only one instance throughout
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns>The proper instance to the item</returns>
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public BaseItem GetOrAddByReferenceItem(BaseItem item)
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{
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// Add this item to our list if not there already
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if (!ByReferenceItems.TryAdd(item.Id, item))
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{
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// Already there - return the existing reference
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item = ByReferenceItems[item.Id];
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}
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return item;
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}
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/// <summary>
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/// Resolves a path into a BaseItem
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/// </summary>
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/// <param name="fileInfo">The file info.</param>
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/// <param name="parent">The parent.</param>
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/// <returns>BaseItem.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public BaseItem ResolvePath(FileSystemInfo fileInfo, Folder parent = null)
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{
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if (fileInfo == null)
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{
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throw new ArgumentNullException("fileInfo");
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}
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var args = new ItemResolveArgs(ConfigurationManager.ApplicationPaths, this)
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{
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Parent = parent,
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Path = fileInfo.FullName,
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FileInfo = fileInfo
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};
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// Return null if ignore rules deem that we should do so
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if (EntityResolutionIgnoreRules.Any(r => r.ShouldIgnore(args)))
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{
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return null;
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}
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// Gather child folder and files
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if (args.IsDirectory)
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{
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var isPhysicalRoot = args.IsPhysicalRoot;
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// When resolving the root, we need it's grandchildren (children of user views)
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var flattenFolderDepth = isPhysicalRoot ? 2 : 0;
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var fileSystemDictionary = FileData.GetFilteredFileSystemEntries(args.Path, _fileSystem, _logger, args, flattenFolderDepth: flattenFolderDepth, resolveShortcuts: isPhysicalRoot || args.IsVf);
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// Need to remove subpaths that may have been resolved from shortcuts
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// Example: if \\server\movies exists, then strip out \\server\movies\action
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if (isPhysicalRoot)
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{
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var paths = NormalizeRootPathList(fileSystemDictionary.Keys);
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fileSystemDictionary = paths.Select(i => (FileSystemInfo)new DirectoryInfo(i)).ToDictionary(i => i.FullName);
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}
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args.FileSystemDictionary = fileSystemDictionary;
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}
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// Check to see if we should resolve based on our contents
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if (args.IsDirectory && !ShouldResolvePathContents(args))
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{
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return null;
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}
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return ResolveItem(args);
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}
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public IEnumerable<string> NormalizeRootPathList(IEnumerable<string> paths)
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{
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var list = paths.Select(_fileSystem.NormalizePath)
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.ToList();
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var dupes = list.Where(subPath => !subPath.EndsWith(":\\", StringComparison.OrdinalIgnoreCase) && list.Any(i => _fileSystem.ContainsSubPath(i, subPath)))
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.ToList();
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foreach (var dupe in dupes)
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{
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_logger.Info("Found duplicate path: {0}", dupe);
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}
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return list.Except(dupes, StringComparer.OrdinalIgnoreCase);
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}
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/// <summary>
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/// Determines whether a path should be ignored based on its contents - called after the contents have been read
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/// </summary>
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/// <param name="args">The args.</param>
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|
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
private static bool ShouldResolvePathContents(ItemResolveArgs args)
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{
|
|
// Ignore any folders containing a file called .ignore
|
|
return !args.ContainsFileSystemEntryByName(".ignore");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Resolves a set of files into a list of BaseItem
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="files">The files.</param>
|
|
/// <param name="parent">The parent.</param>
|
|
/// <returns>List{``0}.</returns>
|
|
public List<T> ResolvePaths<T>(IEnumerable<FileSystemInfo> files, Folder parent)
|
|
where T : BaseItem
|
|
{
|
|
var list = new List<T>();
|
|
|
|
Parallel.ForEach(files, f =>
|
|
{
|
|
try
|
|
{
|
|
var item = ResolvePath(f, parent) as T;
|
|
|
|
if (item != null)
|
|
{
|
|
lock (list)
|
|
{
|
|
list.Add(item);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error resolving path {0}", ex, f.FullName);
|
|
}
|
|
});
|
|
|
|
return list;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates the root media folder
|
|
/// </summary>
|
|
/// <returns>AggregateFolder.</returns>
|
|
/// <exception cref="System.InvalidOperationException">Cannot create the root folder until plugins have loaded</exception>
|
|
public AggregateFolder CreateRootFolder()
|
|
{
|
|
var rootFolderPath = ConfigurationManager.ApplicationPaths.RootFolderPath;
|
|
|
|
if (!Directory.Exists(rootFolderPath))
|
|
{
|
|
Directory.CreateDirectory(rootFolderPath);
|
|
}
|
|
|
|
var rootFolder = RetrieveItem(rootFolderPath.GetMBId(typeof(AggregateFolder))) as AggregateFolder ?? (AggregateFolder)ResolvePath(new DirectoryInfo(rootFolderPath));
|
|
|
|
// Add in the plug-in folders
|
|
foreach (var child in PluginFolderCreators)
|
|
{
|
|
var folder = child.GetFolder();
|
|
|
|
if (folder.Id == Guid.Empty)
|
|
{
|
|
folder.Id = (folder.Path ?? folder.GetType().Name).GetMBId(folder.GetType());
|
|
}
|
|
|
|
rootFolder.AddVirtualChild(folder);
|
|
}
|
|
|
|
return rootFolder;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the user root folder.
|
|
/// </summary>
|
|
/// <param name="userRootPath">The user root path.</param>
|
|
/// <returns>UserRootFolder.</returns>
|
|
public UserRootFolder GetUserRootFolder(string userRootPath)
|
|
{
|
|
return _userRootFolders.GetOrAdd(userRootPath, key => RetrieveItem(userRootPath.GetMBId(typeof(UserRootFolder))) as UserRootFolder ??
|
|
(UserRootFolder)ResolvePath(new DirectoryInfo(userRootPath)));
|
|
}
|
|
|
|
public Person GetPersonSync(string name)
|
|
{
|
|
return GetItemByName<Person>(ConfigurationManager.ApplicationPaths.PeoplePath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Person
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{Person}.</returns>
|
|
public Person GetPerson(string name)
|
|
{
|
|
return GetItemByName<Person>(ConfigurationManager.ApplicationPaths.PeoplePath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Studio
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{Studio}.</returns>
|
|
public Studio GetStudio(string name)
|
|
{
|
|
return GetItemByName<Studio>(ConfigurationManager.ApplicationPaths.StudioPath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Genre
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{Genre}.</returns>
|
|
public Genre GetGenre(string name)
|
|
{
|
|
return GetItemByName<Genre>(ConfigurationManager.ApplicationPaths.GenrePath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the genre.
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{MusicGenre}.</returns>
|
|
public MusicGenre GetMusicGenre(string name)
|
|
{
|
|
return GetItemByName<MusicGenre>(ConfigurationManager.ApplicationPaths.MusicGenrePath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the game genre.
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{GameGenre}.</returns>
|
|
public GameGenre GetGameGenre(string name)
|
|
{
|
|
return GetItemByName<GameGenre>(ConfigurationManager.ApplicationPaths.GameGenrePath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// The us culture
|
|
/// </summary>
|
|
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
|
|
|
|
/// <summary>
|
|
/// Gets a Year
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>Task{Year}.</returns>
|
|
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
|
|
public Year GetYear(int value)
|
|
{
|
|
if (value <= 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException();
|
|
}
|
|
|
|
return GetItemByName<Year>(ConfigurationManager.ApplicationPaths.YearPath, value.ToString(UsCulture));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Genre
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{Genre}.</returns>
|
|
public MusicArtist GetArtist(string name)
|
|
{
|
|
return GetItemByName<MusicArtist>(ConfigurationManager.ApplicationPaths.ArtistsPath, name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// The images by name item cache
|
|
/// </summary>
|
|
private readonly ConcurrentDictionary<string, BaseItem> _itemsByName = new ConcurrentDictionary<string, BaseItem>(StringComparer.OrdinalIgnoreCase);
|
|
|
|
private T GetItemByName<T>(string path, string name)
|
|
where T : BaseItem, new()
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException("path");
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(name))
|
|
{
|
|
throw new ArgumentNullException("name");
|
|
}
|
|
|
|
var validFilename = _fileSystem.GetValidFilename(name).Trim();
|
|
|
|
string subFolderPrefix = null;
|
|
|
|
if (typeof(T) == typeof(Person) && ConfigurationManager.Configuration.EnablePeoplePrefixSubFolders)
|
|
{
|
|
subFolderPrefix = validFilename.Substring(0, 1);
|
|
}
|
|
|
|
var key = string.IsNullOrEmpty(subFolderPrefix) ?
|
|
Path.Combine(path, validFilename) :
|
|
Path.Combine(path, subFolderPrefix, validFilename);
|
|
|
|
BaseItem obj;
|
|
|
|
if (!_itemsByName.TryGetValue(key, out obj))
|
|
{
|
|
var tuple = CreateItemByName<T>(key, name);
|
|
|
|
obj = tuple.Item2;
|
|
|
|
_itemsByName.AddOrUpdate(key, obj, (keyName, oldValue) => obj);
|
|
}
|
|
|
|
return obj as T;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates an IBN item based on a given path
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="name">The name.</param>
|
|
/// <returns>Task{``0}.</returns>
|
|
/// <exception cref="System.IO.IOException">Path not created: + path</exception>
|
|
private Tuple<bool, T> CreateItemByName<T>(string path, string name)
|
|
where T : BaseItem, new()
|
|
{
|
|
var isArtist = typeof(T) == typeof(MusicArtist);
|
|
|
|
if (isArtist)
|
|
{
|
|
var existing = RootFolder.RecursiveChildren
|
|
.OfType<T>()
|
|
.FirstOrDefault(i => string.Equals(i.Name, name, StringComparison.OrdinalIgnoreCase));
|
|
|
|
if (existing != null)
|
|
{
|
|
return new Tuple<bool, T>(false, existing);
|
|
}
|
|
}
|
|
|
|
var fileInfo = new DirectoryInfo(path);
|
|
|
|
var isNew = false;
|
|
|
|
if (!fileInfo.Exists)
|
|
{
|
|
Directory.CreateDirectory(path);
|
|
fileInfo = new DirectoryInfo(path);
|
|
|
|
if (!fileInfo.Exists)
|
|
{
|
|
throw new IOException("Path not created: " + path);
|
|
}
|
|
|
|
isNew = true;
|
|
}
|
|
|
|
var type = typeof(T);
|
|
|
|
var id = path.GetMBId(type);
|
|
|
|
var item = isNew ? null : RetrieveItem(id) as T;
|
|
|
|
if (item == null)
|
|
{
|
|
item = new T
|
|
{
|
|
Name = name,
|
|
Id = id,
|
|
DateCreated = _fileSystem.GetCreationTimeUtc(fileInfo),
|
|
DateModified = _fileSystem.GetLastWriteTimeUtc(fileInfo),
|
|
Path = path
|
|
};
|
|
isNew = true;
|
|
}
|
|
|
|
if (isArtist)
|
|
{
|
|
(item as MusicArtist).IsAccessedByName = true;
|
|
}
|
|
|
|
// Set this now so we don't cause additional file system access during provider executions
|
|
item.ResetResolveArgs(fileInfo);
|
|
|
|
return new Tuple<bool, T>(isNew, item);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validate and refresh the People sub-set of the IBN.
|
|
/// The items are stored in the db but not loaded into memory until actually requested by an operation.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidatePeople(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
return new PeopleValidator(this, PeoplePrescanTasks, _logger).ValidatePeople(cancellationToken, progress);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the artists.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidateArtists(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
return new ArtistsValidator(this, _userManager, _logger).Run(progress, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the music genres.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidateMusicGenres(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
return new MusicGenresValidator(this, _userManager, _logger).Run(progress, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the game genres.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidateGameGenres(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
return new GameGenresValidator(this, _userManager, _logger).Run(progress, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the studios.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidateStudios(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
return new StudiosValidator(this, _userManager, _logger).Run(progress, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the genres.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidateGenres(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
return new GenresValidator(this, _userManager, _logger).Run(progress, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reloads the root media folder
|
|
/// </summary>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task ValidateMediaLibrary(IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
// Just run the scheduled task so that the user can see it
|
|
_taskManager.CancelIfRunningAndQueue<RefreshMediaLibraryTask>();
|
|
|
|
return Task.FromResult(true);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Queues the library scan.
|
|
/// </summary>
|
|
public void QueueLibraryScan()
|
|
{
|
|
// Just run the scheduled task so that the user can see it
|
|
_taskManager.QueueScheduledTask<RefreshMediaLibraryTask>();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the media library internal.
|
|
/// </summary>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public async Task ValidateMediaLibraryInternal(IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
_directoryWatchersFactory().Stop();
|
|
|
|
try
|
|
{
|
|
await PerformLibraryValidation(progress, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
finally
|
|
{
|
|
_directoryWatchersFactory().Start();
|
|
}
|
|
}
|
|
|
|
private async Task PerformLibraryValidation(IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
_logger.Info("Validating media library");
|
|
|
|
await RootFolder.RefreshMetadata(cancellationToken).ConfigureAwait(false);
|
|
|
|
progress.Report(.5);
|
|
|
|
// Start by just validating the children of the root, but go no further
|
|
await RootFolder.ValidateChildren(new Progress<double>(), cancellationToken, recursive: false);
|
|
|
|
progress.Report(1);
|
|
|
|
foreach (var folder in _userManager.Users.Select(u => u.RootFolder).Distinct())
|
|
{
|
|
await ValidateCollectionFolders(folder, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
progress.Report(2);
|
|
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(pct => progress.Report(2 + pct * .13));
|
|
|
|
// Run prescan tasks
|
|
await RunPrescanTasks(innerProgress, cancellationToken).ConfigureAwait(false);
|
|
|
|
progress.Report(15);
|
|
|
|
innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(pct => progress.Report(15 + pct * .6));
|
|
|
|
// Now validate the entire media library
|
|
await RootFolder.ValidateChildren(innerProgress, cancellationToken, recursive: true).ConfigureAwait(false);
|
|
|
|
progress.Report(75);
|
|
|
|
innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(pct => progress.Report(75 + pct * .25));
|
|
|
|
// Run post-scan tasks
|
|
await RunPostScanTasks(innerProgress, cancellationToken).ConfigureAwait(false);
|
|
|
|
progress.Report(100);
|
|
|
|
// Bad practice, i know. But we keep a lot in memory, unfortunately.
|
|
GC.Collect(2, GCCollectionMode.Forced, true);
|
|
GC.Collect(2, GCCollectionMode.Forced, true);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Runs the prescan tasks.
|
|
/// </summary>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
private async Task RunPrescanTasks(IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
var tasks = PrescanTasks.ToList();
|
|
|
|
var numComplete = 0;
|
|
var numTasks = tasks.Count;
|
|
|
|
foreach (var task in tasks)
|
|
{
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
// Prevent access to modified closure
|
|
var currentNumComplete = numComplete;
|
|
|
|
innerProgress.RegisterAction(pct =>
|
|
{
|
|
double innerPercent = (currentNumComplete * 100) + pct;
|
|
innerPercent /= numTasks;
|
|
progress.Report(innerPercent);
|
|
});
|
|
|
|
try
|
|
{
|
|
await task.Run(innerProgress, cancellationToken);
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
_logger.Info("Pre-scan task cancelled: {0}", task.GetType().Name);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error running pre-scan task", ex);
|
|
}
|
|
|
|
numComplete++;
|
|
double percent = numComplete;
|
|
percent /= numTasks;
|
|
progress.Report(percent * 100);
|
|
}
|
|
|
|
progress.Report(100);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Runs the post scan tasks.
|
|
/// </summary>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
private async Task RunPostScanTasks(IProgress<double> progress, CancellationToken cancellationToken)
|
|
{
|
|
var tasks = PostscanTasks.ToList();
|
|
|
|
var numComplete = 0;
|
|
var numTasks = tasks.Count;
|
|
|
|
foreach (var task in tasks)
|
|
{
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
// Prevent access to modified closure
|
|
var currentNumComplete = numComplete;
|
|
|
|
innerProgress.RegisterAction(pct =>
|
|
{
|
|
double innerPercent = (currentNumComplete * 100) + pct;
|
|
innerPercent /= numTasks;
|
|
progress.Report(innerPercent);
|
|
});
|
|
|
|
try
|
|
{
|
|
await task.Run(innerProgress, cancellationToken);
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
_logger.Info("Post-scan task cancelled: {0}", task.GetType().Name);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error running postscan task", ex);
|
|
}
|
|
|
|
numComplete++;
|
|
double percent = numComplete;
|
|
percent /= numTasks;
|
|
progress.Report(percent * 100);
|
|
}
|
|
|
|
progress.Report(100);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates only the collection folders for a User and goes no further
|
|
/// </summary>
|
|
/// <param name="userRootFolder">The user root folder.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
private async Task ValidateCollectionFolders(UserRootFolder userRootFolder, CancellationToken cancellationToken)
|
|
{
|
|
_logger.Info("Validating collection folders within {0}", userRootFolder.Path);
|
|
await userRootFolder.RefreshMetadata(cancellationToken).ConfigureAwait(false);
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
await userRootFolder.ValidateChildren(new Progress<double>(), cancellationToken, recursive: false).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the default view.
|
|
/// </summary>
|
|
/// <returns>IEnumerable{VirtualFolderInfo}.</returns>
|
|
public IEnumerable<VirtualFolderInfo> GetDefaultVirtualFolders()
|
|
{
|
|
return GetView(ConfigurationManager.ApplicationPaths.DefaultUserViewsPath);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the view.
|
|
/// </summary>
|
|
/// <param name="user">The user.</param>
|
|
/// <returns>IEnumerable{VirtualFolderInfo}.</returns>
|
|
public IEnumerable<VirtualFolderInfo> GetVirtualFolders(User user)
|
|
{
|
|
return GetView(user.RootFolderPath);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the view.
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>IEnumerable{VirtualFolderInfo}.</returns>
|
|
private IEnumerable<VirtualFolderInfo> GetView(string path)
|
|
{
|
|
return Directory.EnumerateDirectories(path, "*", SearchOption.TopDirectoryOnly)
|
|
.Select(dir => new VirtualFolderInfo
|
|
{
|
|
Name = Path.GetFileName(dir),
|
|
|
|
Locations = Directory.EnumerateFiles(dir, "*.mblink", SearchOption.TopDirectoryOnly)
|
|
.Select(_fileSystem.ResolveShortcut)
|
|
.OrderBy(i => i)
|
|
.ToList(),
|
|
|
|
CollectionType = GetCollectionType(dir)
|
|
});
|
|
}
|
|
|
|
private string GetCollectionType(string path)
|
|
{
|
|
return new DirectoryInfo(path).EnumerateFiles("*.collection", SearchOption.TopDirectoryOnly)
|
|
.Select(i => Path.GetFileNameWithoutExtension(i.FullName))
|
|
.FirstOrDefault();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the item by id.
|
|
/// </summary>
|
|
/// <param name="id">The id.</param>
|
|
/// <returns>BaseItem.</returns>
|
|
/// <exception cref="System.ArgumentNullException">id</exception>
|
|
public BaseItem GetItemById(Guid id)
|
|
{
|
|
if (id == Guid.Empty)
|
|
{
|
|
throw new ArgumentNullException("id");
|
|
}
|
|
|
|
BaseItem item;
|
|
|
|
if (LibraryItemsCache.TryGetValue(id, out item))
|
|
{
|
|
return item;
|
|
}
|
|
|
|
return RetrieveItem(id);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the intros.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="user">The user.</param>
|
|
/// <returns>IEnumerable{System.String}.</returns>
|
|
public IEnumerable<Video> GetIntros(BaseItem item, User user)
|
|
{
|
|
return IntroProviders.SelectMany(i => i.GetIntros(item, user))
|
|
.Select(ResolveIntro)
|
|
.Where(i => i != null);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets all intro files.
|
|
/// </summary>
|
|
/// <returns>IEnumerable{System.String}.</returns>
|
|
public IEnumerable<string> GetAllIntroFiles()
|
|
{
|
|
return IntroProviders.SelectMany(i => i.GetAllIntroFiles());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Resolves the intro.
|
|
/// </summary>
|
|
/// <param name="info">The info.</param>
|
|
/// <returns>Video.</returns>
|
|
private Video ResolveIntro(IntroInfo info)
|
|
{
|
|
Video video = null;
|
|
|
|
if (info.ItemId.HasValue)
|
|
{
|
|
// Get an existing item by Id
|
|
video = GetItemById(info.ItemId.Value) as Video;
|
|
|
|
if (video == null)
|
|
{
|
|
_logger.Error("Unable to locate item with Id {0}.", info.ItemId.Value);
|
|
}
|
|
}
|
|
else if (!string.IsNullOrEmpty(info.Path))
|
|
{
|
|
try
|
|
{
|
|
// Try to resolve the path into a video
|
|
video = ResolvePath(_fileSystem.GetFileSystemInfo(info.Path)) as Video;
|
|
|
|
if (video == null)
|
|
{
|
|
_logger.Error("Intro resolver returned null for {0}.", info.Path);
|
|
}
|
|
else
|
|
{
|
|
// Pull the saved db item that will include metadata
|
|
var dbItem = GetItemById(video.Id) as Video;
|
|
|
|
if (dbItem != null)
|
|
{
|
|
dbItem.ResetResolveArgs(video.ResolveArgs);
|
|
video = dbItem;
|
|
}
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error resolving path {0}.", ex, info.Path);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_logger.Error("IntroProvider returned an IntroInfo with null Path and ItemId.");
|
|
}
|
|
|
|
return video;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Sorts the specified sort by.
|
|
/// </summary>
|
|
/// <param name="items">The items.</param>
|
|
/// <param name="user">The user.</param>
|
|
/// <param name="sortBy">The sort by.</param>
|
|
/// <param name="sortOrder">The sort order.</param>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
public IEnumerable<BaseItem> Sort(IEnumerable<BaseItem> items, User user, IEnumerable<string> sortBy, SortOrder sortOrder)
|
|
{
|
|
var isFirst = true;
|
|
|
|
IOrderedEnumerable<BaseItem> orderedItems = null;
|
|
|
|
foreach (var orderBy in sortBy.Select(o => GetComparer(o, user)).Where(c => c != null))
|
|
{
|
|
if (isFirst)
|
|
{
|
|
orderedItems = sortOrder == SortOrder.Descending ? items.OrderByDescending(i => i, orderBy) : items.OrderBy(i => i, orderBy);
|
|
}
|
|
else
|
|
{
|
|
orderedItems = sortOrder == SortOrder.Descending ? orderedItems.ThenByDescending(i => i, orderBy) : orderedItems.ThenBy(i => i, orderBy);
|
|
}
|
|
|
|
isFirst = false;
|
|
}
|
|
|
|
return orderedItems ?? items;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the comparer.
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="user">The user.</param>
|
|
/// <returns>IBaseItemComparer.</returns>
|
|
private IBaseItemComparer GetComparer(string name, User user)
|
|
{
|
|
var comparer = Comparers.FirstOrDefault(c => string.Equals(name, c.Name, StringComparison.OrdinalIgnoreCase));
|
|
|
|
if (comparer != null)
|
|
{
|
|
// If it requires a user, create a new one, and assign the user
|
|
if (comparer is IUserBaseItemComparer)
|
|
{
|
|
var userComparer = (IUserBaseItemComparer)Activator.CreateInstance(comparer.GetType());
|
|
|
|
userComparer.User = user;
|
|
userComparer.UserManager = _userManager;
|
|
userComparer.UserDataRepository = _userDataRepository;
|
|
|
|
return userComparer;
|
|
}
|
|
}
|
|
|
|
return comparer;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates the item.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task CreateItem(BaseItem item, CancellationToken cancellationToken)
|
|
{
|
|
return CreateItems(new[] { item }, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates the items.
|
|
/// </summary>
|
|
/// <param name="items">The items.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public async Task CreateItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken)
|
|
{
|
|
var list = items.ToList();
|
|
|
|
await ItemRepository.SaveItems(list, cancellationToken).ConfigureAwait(false);
|
|
|
|
foreach (var item in list)
|
|
{
|
|
UpdateItemInLibraryCache(item);
|
|
}
|
|
|
|
UpdateCollectionFolders();
|
|
|
|
if (ItemAdded != null)
|
|
{
|
|
foreach (var item in list)
|
|
{
|
|
try
|
|
{
|
|
ItemAdded(this, new ItemChangeEventArgs { Item = item });
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in ItemAdded event handler", ex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Updates the item.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="updateReason">The update reason.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public async Task UpdateItem(BaseItem item, ItemUpdateType updateReason, CancellationToken cancellationToken)
|
|
{
|
|
if (item.LocationType == LocationType.FileSystem)
|
|
{
|
|
await SaveMetadata(item, updateReason).ConfigureAwait(false);
|
|
}
|
|
|
|
item.DateLastSaved = DateTime.UtcNow;
|
|
|
|
await ItemRepository.SaveItem(item, cancellationToken).ConfigureAwait(false);
|
|
|
|
UpdateItemInLibraryCache(item);
|
|
|
|
if (ItemUpdated != null)
|
|
{
|
|
try
|
|
{
|
|
ItemUpdated(this, new ItemChangeEventArgs
|
|
{
|
|
Item = item,
|
|
UpdateReason = updateReason
|
|
});
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in ItemUpdated event handler", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reports the item removed.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
public void ReportItemRemoved(BaseItem item)
|
|
{
|
|
UpdateCollectionFolders();
|
|
|
|
if (ItemRemoved != null)
|
|
{
|
|
try
|
|
{
|
|
ItemRemoved(this, new ItemChangeEventArgs { Item = item });
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in ItemRemoved event handler", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void UpdateCollectionFolders()
|
|
{
|
|
foreach (var folder in _userManager.Users.SelectMany(i => i.RootFolder.Children).OfType<CollectionFolder>().ToList())
|
|
{
|
|
folder.ResetDynamicChildren();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieves the item.
|
|
/// </summary>
|
|
/// <param name="id">The id.</param>
|
|
/// <returns>BaseItem.</returns>
|
|
public BaseItem RetrieveItem(Guid id)
|
|
{
|
|
return ItemRepository.RetrieveItem(id);
|
|
}
|
|
|
|
private readonly ConcurrentDictionary<string, SemaphoreSlim> _fileLocks = new ConcurrentDictionary<string, SemaphoreSlim>();
|
|
|
|
/// <summary>
|
|
/// Saves the metadata.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="updateType">Type of the update.</param>
|
|
/// <returns>Task.</returns>
|
|
public async Task SaveMetadata(BaseItem item, ItemUpdateType updateType)
|
|
{
|
|
var locationType = item.LocationType;
|
|
if (locationType == LocationType.Remote || locationType == LocationType.Virtual)
|
|
{
|
|
throw new ArgumentException("Only file-system based items can save metadata.");
|
|
}
|
|
|
|
foreach (var saver in _savers.Where(i => i.IsEnabledFor(item, updateType)))
|
|
{
|
|
var path = saver.GetSavePath(item);
|
|
|
|
var semaphore = _fileLocks.GetOrAdd(path, key => new SemaphoreSlim(1, 1));
|
|
|
|
var directoryWatchers = _directoryWatchersFactory();
|
|
|
|
await semaphore.WaitAsync().ConfigureAwait(false);
|
|
|
|
try
|
|
{
|
|
directoryWatchers.TemporarilyIgnore(path);
|
|
saver.Save(item, CancellationToken.None);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in metadata saver", ex);
|
|
}
|
|
finally
|
|
{
|
|
directoryWatchers.RemoveTempIgnore(path);
|
|
semaphore.Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Finds the type of the collection.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <returns>System.String.</returns>
|
|
public string FindCollectionType(BaseItem item)
|
|
{
|
|
while (!(item.Parent is AggregateFolder) && item.Parent != null)
|
|
{
|
|
item = item.Parent;
|
|
}
|
|
|
|
if (item == null)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
var collectionTypes = _userManager.Users
|
|
.Select(i => i.RootFolder)
|
|
.Distinct()
|
|
.SelectMany(i => i.Children)
|
|
.OfType<CollectionFolder>()
|
|
.Where(i =>
|
|
{
|
|
var locationType = i.LocationType;
|
|
|
|
if (locationType == LocationType.Remote || locationType == LocationType.Virtual)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (string.Equals(i.Path, item.Path, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
try
|
|
{
|
|
|
|
return i.ResolveArgs.PhysicalLocations.Contains(item.Path);
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
_logger.ErrorException("Error getting resolve args for {0}", ex, i.Path);
|
|
return false;
|
|
}
|
|
})
|
|
.Select(i => i.CollectionType)
|
|
.Where(i => !string.IsNullOrEmpty(i))
|
|
.Distinct()
|
|
.ToList();
|
|
|
|
return collectionTypes.Count == 1 ? collectionTypes[0] : null;
|
|
}
|
|
|
|
|
|
public IEnumerable<string> GetAllArtists()
|
|
{
|
|
return GetAllArtists(RootFolder.RecursiveChildren);
|
|
}
|
|
|
|
public IEnumerable<string> GetAllArtists(IEnumerable<BaseItem> items)
|
|
{
|
|
return items
|
|
.OfType<Audio>()
|
|
.SelectMany(i =>
|
|
{
|
|
var list = new List<string>();
|
|
|
|
if (!string.IsNullOrEmpty(i.AlbumArtist))
|
|
{
|
|
list.Add(i.AlbumArtist);
|
|
}
|
|
list.AddRange(i.Artists);
|
|
|
|
return list;
|
|
})
|
|
.Distinct(StringComparer.OrdinalIgnoreCase);
|
|
}
|
|
}
|
|
}
|