1361 lines
50 KiB
C#
1361 lines
50 KiB
C#
using MediaBrowser.Common.Extensions;
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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.ScheduledTasks;
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using MoreLinq;
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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 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 IEnumerable<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 IEnumerable<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 IEnumerable<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 IEnumerable<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 IUserDataRepository _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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/// <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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/// <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, IUserDataRepository userDataRepository)
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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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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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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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{
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EntityResolutionIgnoreRules = rules;
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PluginFolderCreators = pluginFolders;
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EntityResolvers = resolvers.OrderBy(i => i.Priority).ToArray();
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IntroProviders = introProviders;
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Comparers = itemComparers;
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PrescanTasks = prescanTasks;
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PostscanTasks = postscanTasks;
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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 _internet providers enabled
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/// </summary>
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private bool _internetProvidersEnabled;
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/// <summary>
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/// The _people image fetching enabled
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/// </summary>
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private bool _peopleImageFetchingEnabled;
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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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_internetProvidersEnabled = configuration.EnableInternetProviders;
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_peopleImageFetchingEnabled = configuration.InternetProviderExcludeTypes == null || !configuration.InternetProviderExcludeTypes.Contains(typeof(Person).Name, StringComparer.OrdinalIgnoreCase);
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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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// Figure out whether or not we should refresh people after the update is finished
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var refreshPeopleAfterUpdate = !_internetProvidersEnabled && config.EnableInternetProviders;
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// This is true if internet providers has just been turned on, or if People have just been removed from InternetProviderExcludeTypes
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if (!refreshPeopleAfterUpdate)
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{
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var newConfigurationFetchesPeopleImages = config.InternetProviderExcludeTypes == null || !config.InternetProviderExcludeTypes.Contains(typeof(Person).Name, StringComparer.OrdinalIgnoreCase);
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refreshPeopleAfterUpdate = newConfigurationFetchesPeopleImages && !_peopleImageFetchingEnabled;
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}
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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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if (refreshPeopleAfterUpdate)
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{
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_taskManager.CancelIfRunningAndQueue<PeopleValidationTask>();
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}
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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 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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}
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return UpdateItems(seasons, cancellationToken);
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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.RecursiveChildren.ToList();
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items.Add(RootFolder);
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// Need to use DistinctBy Id 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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items.AddRange(userRootFolders);
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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 =
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userRootFolders.SelectMany(i => i.Children)
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.Where(i => !(i is BasePluginFolder))
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.ToList();
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items.AddRange(userFolders);
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return new ConcurrentDictionary<Guid, BaseItem>(items.ToDictionary(i => i.Id));
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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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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);
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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="path">The path.</param>
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/// <param name="parent">The parent.</param>
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/// <param name="fileInfo">The file info.</param>
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/// <returns>BaseItem.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public BaseItem ResolvePath(string path, Folder parent = null, FileSystemInfo fileInfo = null)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException();
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}
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fileInfo = fileInfo ?? FileSystem.GetFileSystemInfo(path);
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if (!fileInfo.Exists)
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{
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_logger.Error("Path in library does not exist or is unavailable: " + path);
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return null;
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}
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var args = new ItemResolveArgs(ConfigurationManager.ApplicationPaths)
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{
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Parent = parent,
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Path = path,
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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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args.FileSystemDictionary = FileData.GetFilteredFileSystemEntries(args.Path, _logger, flattenFolderDepth: flattenFolderDepth, args: args, 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 = args.FileSystemDictionary.Keys.ToList();
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foreach (var subPath in paths
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.Where(subPath => !subPath.EndsWith(":\\", StringComparison.OrdinalIgnoreCase) && paths.Any(i => subPath.StartsWith(i.TrimEnd(Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar, StringComparison.OrdinalIgnoreCase))))
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{
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_logger.Info("Ignoring duplicate path: {0}", subPath);
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args.FileSystemDictionary.Remove(subPath);
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}
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}
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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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/// <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>
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private static bool ShouldResolvePathContents(ItemResolveArgs args)
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{
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// Ignore any folders containing a file called .ignore
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return !args.ContainsFileSystemEntryByName(".ignore");
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}
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/// <summary>
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/// Resolves a set of files into a list of BaseItem
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="files">The files.</param>
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/// <param name="parent">The parent.</param>
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/// <returns>List{``0}.</returns>
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public List<T> ResolvePaths<T>(IEnumerable<FileSystemInfo> files, Folder parent)
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where T : BaseItem
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{
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var list = new List<T>();
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Parallel.ForEach(files, f =>
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{
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try
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{
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var item = ResolvePath(f.FullName, parent, f) as T;
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|
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if (item != null)
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{
|
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lock (list)
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{
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list.Add(item);
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}
|
|
}
|
|
}
|
|
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;
|
|
var rootFolder = RetrieveItem(rootFolderPath.GetMBId(typeof(AggregateFolder))) as AggregateFolder ?? (AggregateFolder)ResolvePath(rootFolderPath);
|
|
|
|
// Add in the plug-in folders
|
|
foreach (var child in PluginFolderCreators)
|
|
{
|
|
rootFolder.AddVirtualChild(child.GetFolder());
|
|
}
|
|
|
|
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(userRootPath));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Person
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <returns>Task{Person}.</returns>
|
|
public Task<Person> GetPerson(string name, bool allowSlowProviders = false)
|
|
{
|
|
return GetPerson(name, CancellationToken.None, allowSlowProviders);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Person
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <param name="forceCreation">if set to <c>true</c> [force creation].</param>
|
|
/// <returns>Task{Person}.</returns>
|
|
private Task<Person> GetPerson(string name, CancellationToken cancellationToken, bool allowSlowProviders = false, bool forceCreation = false)
|
|
{
|
|
return GetItemByName<Person>(ConfigurationManager.ApplicationPaths.PeoplePath, name, cancellationToken, allowSlowProviders, forceCreation);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Studio
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <returns>Task{Studio}.</returns>
|
|
public Task<Studio> GetStudio(string name, bool allowSlowProviders = false)
|
|
{
|
|
return GetItemByName<Studio>(ConfigurationManager.ApplicationPaths.StudioPath, name, CancellationToken.None, allowSlowProviders);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Genre
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <returns>Task{Genre}.</returns>
|
|
public Task<Genre> GetGenre(string name, bool allowSlowProviders = false)
|
|
{
|
|
return GetItemByName<Genre>(ConfigurationManager.ApplicationPaths.GenrePath, name, CancellationToken.None, allowSlowProviders);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a Genre
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <returns>Task{Genre}.</returns>
|
|
public Task<Artist> GetArtist(string name, bool allowSlowProviders = false)
|
|
{
|
|
return GetArtist(name, CancellationToken.None, allowSlowProviders);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the artist.
|
|
/// </summary>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <param name="forceCreation">if set to <c>true</c> [force creation].</param>
|
|
/// <returns>Task{Artist}.</returns>
|
|
private Task<Artist> GetArtist(string name, CancellationToken cancellationToken, bool allowSlowProviders = false, bool forceCreation = false)
|
|
{
|
|
return GetItemByName<Artist>(ConfigurationManager.ApplicationPaths.ArtistsPath, name, cancellationToken, allowSlowProviders, forceCreation);
|
|
}
|
|
|
|
/// <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>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <returns>Task{Year}.</returns>
|
|
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
|
|
public Task<Year> GetYear(int value, bool allowSlowProviders = false)
|
|
{
|
|
if (value <= 0)
|
|
{
|
|
throw new ArgumentOutOfRangeException();
|
|
}
|
|
|
|
return GetItemByName<Year>(ConfigurationManager.ApplicationPaths.YearPath, value.ToString(UsCulture), CancellationToken.None, allowSlowProviders);
|
|
}
|
|
|
|
/// <summary>
|
|
/// The images by name item cache
|
|
/// </summary>
|
|
private readonly ConcurrentDictionary<string, BaseItem> _itemsByName = new ConcurrentDictionary<string, BaseItem>(StringComparer.OrdinalIgnoreCase);
|
|
|
|
/// <summary>
|
|
/// Generically retrieves an IBN item
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="name">The name.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <param name="forceCreation">if set to <c>true</c> [force creation].</param>
|
|
/// <returns>Task{``0}.</returns>
|
|
/// <exception cref="System.ArgumentNullException">
|
|
/// </exception>
|
|
private async Task<T> GetItemByName<T>(string path, string name, CancellationToken cancellationToken, bool allowSlowProviders = true, bool forceCreation = false)
|
|
where T : BaseItem, new()
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException();
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(name))
|
|
{
|
|
throw new ArgumentNullException();
|
|
}
|
|
|
|
var key = Path.Combine(path, FileSystem.GetValidFilename(name));
|
|
|
|
BaseItem obj;
|
|
|
|
if (forceCreation || !_itemsByName.TryGetValue(key, out obj))
|
|
{
|
|
obj = await CreateItemByName<T>(path, name, cancellationToken, allowSlowProviders).ConfigureAwait(false);
|
|
|
|
_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>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
|
|
/// <returns>Task{``0}.</returns>
|
|
/// <exception cref="System.IO.IOException">Path not created: + path</exception>
|
|
private async Task<T> CreateItemByName<T>(string path, string name, CancellationToken cancellationToken, bool allowSlowProviders = true)
|
|
where T : BaseItem, new()
|
|
{
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
path = Path.Combine(path, FileSystem.GetValidFilename(name));
|
|
|
|
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;
|
|
}
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
var id = path.GetMBId(typeof(T));
|
|
|
|
var item = RetrieveItem(id) as T;
|
|
if (item == null)
|
|
{
|
|
item = new T
|
|
{
|
|
Name = name,
|
|
Id = id,
|
|
DateCreated = fileInfo.CreationTimeUtc,
|
|
DateModified = fileInfo.LastWriteTimeUtc,
|
|
Path = path
|
|
};
|
|
isNew = true;
|
|
}
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
// Set this now so we don't cause additional file system access during provider executions
|
|
item.ResetResolveArgs(fileInfo);
|
|
|
|
await item.RefreshMetadata(cancellationToken, isNew, allowSlowProviders: allowSlowProviders).ConfigureAwait(false);
|
|
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
return 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 async Task ValidatePeople(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
const int maxTasks = 25;
|
|
|
|
var tasks = new List<Task>();
|
|
|
|
var includedPersonTypes = new[] { PersonType.Actor, PersonType.Director, PersonType.GuestStar, PersonType.Writer, PersonType.Director, PersonType.Producer };
|
|
|
|
var people = RootFolder.RecursiveChildren
|
|
.Where(c => c.People != null)
|
|
.SelectMany(c => c.People.Where(p => includedPersonTypes.Contains(p.Type)))
|
|
.DistinctBy(p => p.Name, StringComparer.OrdinalIgnoreCase)
|
|
.ToList();
|
|
|
|
var numComplete = 0;
|
|
|
|
foreach (var person in people)
|
|
{
|
|
if (tasks.Count > maxTasks)
|
|
{
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
tasks.Clear();
|
|
|
|
// Safe cancellation point, when there are no pending tasks
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
}
|
|
|
|
// Avoid accessing the foreach variable within the closure
|
|
var currentPerson = person;
|
|
|
|
tasks.Add(Task.Run(async () =>
|
|
{
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
try
|
|
{
|
|
await GetPerson(currentPerson.Name, cancellationToken, true, true).ConfigureAwait(false);
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
_logger.ErrorException("Error validating IBN entry {0}", ex, currentPerson.Name);
|
|
}
|
|
|
|
// Update progress
|
|
lock (progress)
|
|
{
|
|
numComplete++;
|
|
double percent = numComplete;
|
|
percent /= people.Count;
|
|
|
|
progress.Report(100 * percent);
|
|
}
|
|
}));
|
|
}
|
|
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
|
|
progress.Report(100);
|
|
|
|
_logger.Info("People validation complete");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Validates the artists.
|
|
/// </summary>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <param name="progress">The progress.</param>
|
|
/// <returns>Task.</returns>
|
|
public async Task ValidateArtists(CancellationToken cancellationToken, IProgress<double> progress)
|
|
{
|
|
const int maxTasks = 25;
|
|
|
|
var tasks = new List<Task>();
|
|
|
|
var artists = RootFolder.RecursiveChildren
|
|
.OfType<Audio>()
|
|
.SelectMany(c =>
|
|
{
|
|
var list = new List<string>();
|
|
|
|
if (!string.IsNullOrEmpty(c.AlbumArtist))
|
|
{
|
|
list.Add(c.AlbumArtist);
|
|
}
|
|
if (!string.IsNullOrEmpty(c.Artist))
|
|
{
|
|
list.Add(c.Artist);
|
|
}
|
|
|
|
return list;
|
|
})
|
|
.Distinct(StringComparer.OrdinalIgnoreCase)
|
|
.ToList();
|
|
|
|
var numComplete = 0;
|
|
|
|
foreach (var artist in artists)
|
|
{
|
|
if (tasks.Count > maxTasks)
|
|
{
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
tasks.Clear();
|
|
|
|
// Safe cancellation point, when there are no pending tasks
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
}
|
|
|
|
// Avoid accessing the foreach variable within the closure
|
|
var currentArtist = artist;
|
|
|
|
tasks.Add(Task.Run(async () =>
|
|
{
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
try
|
|
{
|
|
await GetArtist(currentArtist, cancellationToken, true, true).ConfigureAwait(false);
|
|
}
|
|
catch (IOException ex)
|
|
{
|
|
_logger.ErrorException("Error validating Artist {0}", ex, currentArtist);
|
|
}
|
|
|
|
// Update progress
|
|
lock (progress)
|
|
{
|
|
numComplete++;
|
|
double percent = numComplete;
|
|
percent /= artists.Count;
|
|
|
|
progress.Report(100 * percent);
|
|
}
|
|
}));
|
|
}
|
|
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
|
|
progress.Report(100);
|
|
|
|
_logger.Info("Artist validation complete");
|
|
}
|
|
|
|
/// <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
|
|
return Task.Run(() => _taskManager.CancelIfRunningAndQueue<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)
|
|
{
|
|
_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);
|
|
|
|
// Run prescan tasks
|
|
await RunPrescanTasks(progress, cancellationToken).ConfigureAwait(false);
|
|
|
|
progress.Report(15);
|
|
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(pct => progress.Report(15 + pct * .65));
|
|
|
|
// Now validate the entire media library
|
|
await RootFolder.ValidateChildren(innerProgress, cancellationToken, recursive: true).ConfigureAwait(false);
|
|
|
|
progress.Report(80);
|
|
|
|
// Run post-scan tasks
|
|
await RunPostScanTasks(progress, cancellationToken).ConfigureAwait(false);
|
|
|
|
progress.Report(100);
|
|
}
|
|
|
|
/// <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 prescanTasks = PrescanTasks.ToList();
|
|
var progressDictionary = new Dictionary<ILibraryPrescanTask, double>();
|
|
|
|
var tasks = prescanTasks.Select(i => Task.Run(async () =>
|
|
{
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(pct =>
|
|
{
|
|
lock (progressDictionary)
|
|
{
|
|
progressDictionary[i] = pct;
|
|
|
|
double percent = progressDictionary.Values.Sum();
|
|
percent /= prescanTasks.Count;
|
|
|
|
progress.Report(2 + percent * .13);
|
|
}
|
|
});
|
|
|
|
try
|
|
{
|
|
await i.Run(innerProgress, cancellationToken);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error running prescan task", ex);
|
|
}
|
|
}));
|
|
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <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 postscanTasks = PostscanTasks.ToList();
|
|
var progressDictionary = new Dictionary<ILibraryPostScanTask, double>();
|
|
|
|
var tasks = postscanTasks.Select(i => Task.Run(async () =>
|
|
{
|
|
var innerProgress = new ActionableProgress<double>();
|
|
|
|
innerProgress.RegisterAction(pct =>
|
|
{
|
|
lock (progressDictionary)
|
|
{
|
|
progressDictionary[i] = pct;
|
|
|
|
double percent = progressDictionary.Values.Sum();
|
|
percent /= postscanTasks.Count;
|
|
|
|
progress.Report(80 + percent * .2);
|
|
}
|
|
});
|
|
|
|
try
|
|
{
|
|
await i.Run(innerProgress, cancellationToken);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error running postscan task", ex);
|
|
}
|
|
}));
|
|
|
|
await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <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, "*.lnk", SearchOption.TopDirectoryOnly).Select(FileSystem.ResolveShortcut).OrderBy(i => i).ToList()
|
|
});
|
|
}
|
|
|
|
/// <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 ItemRepository.GetItem(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<string> GetIntros(BaseItem item, User user)
|
|
{
|
|
return IntroProviders.SelectMany(i => i.GetIntros(item, user));
|
|
}
|
|
|
|
/// <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);
|
|
}
|
|
|
|
if (ItemAdded != null)
|
|
{
|
|
foreach (var item in list)
|
|
{
|
|
try
|
|
{
|
|
ItemAdded(this, new ItemChangeEventArgs { Item = item });
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in ItemUpdated event handler", ex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Updates the items.
|
|
/// </summary>
|
|
/// <param name="items">The items.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
private async Task UpdateItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken)
|
|
{
|
|
var list = items.ToList();
|
|
|
|
await ItemRepository.SaveItems(list, cancellationToken).ConfigureAwait(false);
|
|
|
|
foreach (var item in list)
|
|
{
|
|
UpdateItemInLibraryCache(item);
|
|
}
|
|
|
|
if (ItemUpdated != null)
|
|
{
|
|
foreach (var item in list)
|
|
{
|
|
try
|
|
{
|
|
ItemUpdated(this, new ItemChangeEventArgs { Item = item });
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in ItemUpdated event handler", ex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Updates the item.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task UpdateItem(BaseItem item, CancellationToken cancellationToken)
|
|
{
|
|
return UpdateItems(new[] { item }, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reports the item removed.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
public void ReportItemRemoved(BaseItem item)
|
|
{
|
|
if (ItemRemoved != null)
|
|
{
|
|
try
|
|
{
|
|
ItemRemoved(this, new ItemChangeEventArgs { Item = item });
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error in ItemRemoved event handler", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieves the item.
|
|
/// </summary>
|
|
/// <param name="id">The id.</param>
|
|
/// <returns>Task{BaseItem}.</returns>
|
|
public BaseItem RetrieveItem(Guid id)
|
|
{
|
|
return ItemRepository.GetItem(id);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Saves the children.
|
|
/// </summary>
|
|
/// <param name="id">The id.</param>
|
|
/// <param name="children">The children.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task.</returns>
|
|
public Task SaveChildren(Guid id, IEnumerable<BaseItem> children, CancellationToken cancellationToken)
|
|
{
|
|
return ItemRepository.SaveChildren(id, children, cancellationToken);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieves the children.
|
|
/// </summary>
|
|
/// <param name="parent">The parent.</param>
|
|
/// <returns>IEnumerable{BaseItem}.</returns>
|
|
public IEnumerable<BaseItem> RetrieveChildren(Folder parent)
|
|
{
|
|
var children = ItemRepository.RetrieveChildren(parent).ToList();
|
|
|
|
foreach (var child in children)
|
|
{
|
|
child.Parent = parent;
|
|
}
|
|
|
|
return children;
|
|
}
|
|
}
|
|
}
|