jellyfin-server/MediaBrowser.Server.Implementations/Library/LibraryManager.cs

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C#
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using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Progress;
using MediaBrowser.Common.ScheduledTasks;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.IO;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Controller.Sorting;
using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.Library.Validators;
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using MediaBrowser.Server.Implementations.ScheduledTasks;
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using MoreLinq;
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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
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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{
/// <summary>
/// Class LibraryManager
/// </summary>
public class LibraryManager : ILibraryManager
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{
/// <summary>
/// Gets or sets the postscan tasks.
/// </summary>
/// <value>The postscan tasks.</value>
private ILibraryPostScanTask[] PostscanTasks { get; set; }
/// <summary>
/// Gets the intro providers.
/// </summary>
/// <value>The intro providers.</value>
private IIntroProvider[] IntroProviders { get; set; }
/// <summary>
/// Gets the list of entity resolution ignore rules
/// </summary>
/// <value>The entity resolution ignore rules.</value>
private IResolverIgnoreRule[] EntityResolutionIgnoreRules { get; set; }
/// <summary>
/// Gets the list of BasePluginFolders added by plugins
/// </summary>
/// <value>The plugin folders.</value>
private IVirtualFolderCreator[] PluginFolderCreators { get; set; }
/// <summary>
/// Gets the list of currently registered entity resolvers
/// </summary>
/// <value>The entity resolvers enumerable.</value>
private IItemResolver[] EntityResolvers { get; set; }
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/// <summary>
/// Gets or sets the comparers.
/// </summary>
/// <value>The comparers.</value>
private IBaseItemComparer[] Comparers { get; set; }
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/// <summary>
/// Gets the active item repository
/// </summary>
/// <value>The item repository.</value>
public IItemRepository ItemRepository { get; set; }
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/// <summary>
/// Occurs when [item added].
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/// </summary>
public event EventHandler<ItemChangeEventArgs> ItemAdded;
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/// <summary>
/// Occurs when [item updated].
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/// </summary>
public event EventHandler<ItemChangeEventArgs> ItemUpdated;
/// <summary>
/// Occurs when [item removed].
/// </summary>
public event EventHandler<ItemChangeEventArgs> ItemRemoved;
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/// <summary>
/// The _logger
/// </summary>
private readonly ILogger _logger;
/// <summary>
/// The _task manager
/// </summary>
private readonly ITaskManager _taskManager;
/// <summary>
/// The _user manager
/// </summary>
private readonly IUserManager _userManager;
/// <summary>
/// The _user data repository
/// </summary>
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private readonly IUserDataManager _userDataRepository;
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/// <summary>
/// Gets or sets the configuration manager.
/// </summary>
/// <value>The configuration manager.</value>
private IServerConfigurationManager ConfigurationManager { get; set; }
/// <summary>
/// A collection of items that may be referenced from multiple physical places in the library
/// (typically, multiple user roots). We store them here and be sure they all reference a
/// single instance.
/// </summary>
/// <value>The by reference items.</value>
private ConcurrentDictionary<Guid, BaseItem> ByReferenceItems { get; set; }
private readonly Func<ILibraryMonitor> _libraryMonitorFactory;
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private readonly Func<IProviderManager> _providerManagerFactory;
/// <summary>
/// The _library items cache
/// </summary>
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private readonly ConcurrentDictionary<Guid, BaseItem> _libraryItemsCache;
/// <summary>
/// Gets the library items cache.
/// </summary>
/// <value>The library items cache.</value>
private ConcurrentDictionary<Guid, BaseItem> LibraryItemsCache
{
get
{
return _libraryItemsCache;
}
}
private readonly IFileSystem _fileSystem;
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/// <summary>
/// Initializes a new instance of the <see cref="LibraryManager" /> class.
/// </summary>
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/// <param name="logger">The logger.</param>
/// <param name="taskManager">The task manager.</param>
/// <param name="userManager">The user manager.</param>
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/// <param name="configurationManager">The configuration manager.</param>
/// <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<ILibraryMonitor> libraryMonitorFactory, IFileSystem fileSystem, Func<IProviderManager> providerManagerFactory)
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{
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_logger = logger;
_taskManager = taskManager;
_userManager = userManager;
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ConfigurationManager = configurationManager;
_userDataRepository = userDataRepository;
_libraryMonitorFactory = libraryMonitorFactory;
_fileSystem = fileSystem;
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_providerManagerFactory = providerManagerFactory;
ByReferenceItems = new ConcurrentDictionary<Guid, BaseItem>();
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_libraryItemsCache = new ConcurrentDictionary<Guid, BaseItem>();
ConfigurationManager.ConfigurationUpdated += ConfigurationUpdated;
RecordConfigurationValues(configurationManager.Configuration);
}
/// <summary>
/// Adds the parts.
/// </summary>
/// <param name="rules">The rules.</param>
/// <param name="pluginFolders">The plugin folders.</param>
/// <param name="resolvers">The resolvers.</param>
/// <param name="introProviders">The intro providers.</param>
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/// <param name="itemComparers">The item comparers.</param>
/// <param name="postscanTasks">The postscan tasks.</param>
public void AddParts(IEnumerable<IResolverIgnoreRule> rules,
IEnumerable<IVirtualFolderCreator> pluginFolders,
IEnumerable<IItemResolver> resolvers,
IEnumerable<IIntroProvider> introProviders,
IEnumerable<IBaseItemComparer> itemComparers,
IEnumerable<ILibraryPostScanTask> postscanTasks)
{
EntityResolutionIgnoreRules = rules.ToArray();
PluginFolderCreators = pluginFolders.ToArray();
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EntityResolvers = resolvers.OrderBy(i => i.Priority).ToArray();
IntroProviders = introProviders.ToArray();
Comparers = itemComparers.ToArray();
PostscanTasks = postscanTasks.OrderBy(i =>
{
var hasOrder = i as IHasOrder;
return hasOrder == null ? 0 : hasOrder.Order;
}).ToArray();
}
/// <summary>
/// The _root folder
/// </summary>
private AggregateFolder _rootFolder;
/// <summary>
/// The _root folder sync lock
/// </summary>
private object _rootFolderSyncLock = new object();
/// <summary>
/// The _root folder initialized
/// </summary>
private bool _rootFolderInitialized;
/// <summary>
/// Gets the root folder.
/// </summary>
/// <value>The root folder.</value>
public AggregateFolder RootFolder
{
get
{
LazyInitializer.EnsureInitialized(ref _rootFolder, ref _rootFolderInitialized, ref _rootFolderSyncLock, CreateRootFolder);
return _rootFolder;
}
private set
{
_rootFolder = value;
if (value == null)
{
_rootFolderInitialized = false;
}
}
}
/// <summary>
/// The _items by name path
/// </summary>
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private string _itemsByNamePath;
/// <summary>
/// The _season zero display name
/// </summary>
private string _seasonZeroDisplayName;
private bool _wizardCompleted;
/// <summary>
/// Records the configuration values.
/// </summary>
/// <param name="configuration">The configuration.</param>
private void RecordConfigurationValues(ServerConfiguration configuration)
{
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_seasonZeroDisplayName = configuration.SeasonZeroDisplayName;
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_itemsByNamePath = ConfigurationManager.ApplicationPaths.ItemsByNamePath;
_wizardCompleted = configuration.IsStartupWizardCompleted;
}
/// <summary>
/// Configurations the updated.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
void ConfigurationUpdated(object sender, EventArgs e)
{
var config = ConfigurationManager.Configuration;
var ibnPathChanged = !string.Equals(_itemsByNamePath, ConfigurationManager.ApplicationPaths.ItemsByNamePath, StringComparison.CurrentCulture);
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if (ibnPathChanged)
{
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RemoveItemsByNameFromCache();
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}
var newSeasonZeroName = ConfigurationManager.Configuration.SeasonZeroDisplayName;
var seasonZeroNameChanged = !string.Equals(_seasonZeroDisplayName, newSeasonZeroName, StringComparison.CurrentCulture);
var wizardChanged = config.IsStartupWizardCompleted != _wizardCompleted;
RecordConfigurationValues(config);
Task.Run(async () =>
{
if (seasonZeroNameChanged)
{
await UpdateSeasonZeroNames(newSeasonZeroName, CancellationToken.None).ConfigureAwait(false);
}
if (seasonZeroNameChanged || ibnPathChanged || wizardChanged)
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{
_taskManager.CancelIfRunningAndQueue<RefreshMediaLibraryTask>();
}
});
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}
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private void RemoveItemsByNameFromCache()
{
RemoveItemsFromCache(i => i is Person);
RemoveItemsFromCache(i => i is Year);
RemoveItemsFromCache(i => i is Genre);
RemoveItemsFromCache(i => i is MusicGenre);
RemoveItemsFromCache(i => i is GameGenre);
RemoveItemsFromCache(i => i is Studio);
RemoveItemsFromCache(i =>
{
var artist = i as MusicArtist;
return artist != null && artist.IsAccessedByName;
});
}
private void RemoveItemsFromCache(Func<BaseItem, bool> remove)
{
var items = _libraryItemsCache.ToList().Where(i => remove(i.Value)).ToList();
foreach (var item in items)
{
BaseItem value;
_libraryItemsCache.TryRemove(item.Key, out value);
}
}
/// <summary>
/// Updates the season zero names.
/// </summary>
/// <param name="newName">The new name.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
private async Task UpdateSeasonZeroNames(string newName, CancellationToken cancellationToken)
{
var seasons = RootFolder.RecursiveChildren
.OfType<Season>()
.Where(i => i.IndexNumber.HasValue && i.IndexNumber.Value == 0 && !string.Equals(i.Name, newName, StringComparison.CurrentCulture))
.ToList();
foreach (var season in seasons)
{
season.Name = newName;
try
{
await UpdateItem(season, ItemUpdateType.MetadataDownload, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error saving {0}", ex, season.Path);
}
}
}
/// <summary>
/// Updates the item in library cache.
/// </summary>
/// <param name="item">The item.</param>
private void UpdateItemInLibraryCache(BaseItem item)
{
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RegisterItem(item);
}
public void RegisterItem(BaseItem item)
{
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if (item == null)
{
throw new ArgumentNullException("item");
}
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RegisterItem(item.Id, item);
}
private void RegisterItem(Guid id, BaseItem item)
{
LibraryItemsCache.AddOrUpdate(id, item, delegate { return item; });
}
public async Task DeleteItem(BaseItem item, DeleteOptions options)
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{
_logger.Debug("Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
item.GetType().Name,
item.Name,
item.Path ?? string.Empty,
item.Id);
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var parent = item.Parent;
var locationType = item.LocationType;
var children = item.IsFolder
? ((Folder)item).RecursiveChildren.ToList()
: new List<BaseItem>();
foreach (var metadataPath in GetMetadataPaths(item, children))
{
_logger.Debug("Deleting path {0}", metadataPath);
try
{
Directory.Delete(metadataPath, true);
}
catch (DirectoryNotFoundException)
{
}
catch (Exception ex)
{
_logger.ErrorException("Error deleting {0}", ex, metadataPath);
}
}
if (options.DeleteFileLocation && locationType != LocationType.Remote && locationType != LocationType.Virtual)
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{
foreach (var path in item.GetDeletePaths().ToList())
{
if (Directory.Exists(path))
{
_logger.Debug("Deleting path {0}", path);
Directory.Delete(path, true);
}
else if (File.Exists(path))
{
_logger.Debug("Deleting path {0}", path);
File.Delete(path);
}
}
if (parent != null)
{
await parent.ValidateChildren(new Progress<double>(), CancellationToken.None)
.ConfigureAwait(false);
}
}
else if (parent != null)
{
await parent.RemoveChild(item, CancellationToken.None).ConfigureAwait(false);
}
await ItemRepository.DeleteItem(item.Id, CancellationToken.None).ConfigureAwait(false);
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foreach (var child in children)
{
await ItemRepository.DeleteItem(child.Id, CancellationToken.None).ConfigureAwait(false);
}
BaseItem removed;
_libraryItemsCache.TryRemove(item.Id, out removed);
ReportItemRemoved(item);
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}
private IEnumerable<string> GetMetadataPaths(BaseItem item, IEnumerable<BaseItem> children)
{
var list = new List<string>
{
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item.GetInternalMetadataPath()
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};
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list.AddRange(children.Select(i => i.GetInternalMetadataPath()));
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return list;
}
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/// <summary>
/// Resolves the item.
/// </summary>
/// <param name="args">The args.</param>
/// <returns>BaseItem.</returns>
public BaseItem ResolveItem(ItemResolveArgs args)
{
var item = EntityResolvers.Select(r =>
{
try
{
return r.ResolvePath(args);
}
catch (Exception ex)
{
_logger.ErrorException("Error in {0} resolving {1}", ex, r.GetType().Name, args.Path);
return null;
}
}).FirstOrDefault(i => i != null);
if (item != null)
{
ResolverHelper.SetInitialItemValues(item, args, _fileSystem);
}
return item;
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}
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public IEnumerable<BaseItem> ReplaceVideosWithPrimaryVersions(IEnumerable<BaseItem> items)
{
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var dict = new Dictionary<Guid, BaseItem>();
foreach (var item in items)
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{
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var video = item as Video;
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if (video != null)
{
if (video.PrimaryVersionId.HasValue)
{
var primary = GetItemById(video.PrimaryVersionId.Value) as Video;
if (primary != null)
{
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dict[primary.Id] = primary;
continue;
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}
}
}
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dict[item.Id] = item;
}
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return dict.Values;
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}
/// <summary>
/// Ensure supplied item has only one instance throughout
/// </summary>
/// <param name="item">The item.</param>
/// <returns>The proper instance to the item</returns>
public BaseItem GetOrAddByReferenceItem(BaseItem item)
{
// Add this item to our list if not there already
if (!ByReferenceItems.TryAdd(item.Id, item))
{
// Already there - return the existing reference
item = ByReferenceItems[item.Id];
}
return item;
}
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public BaseItem ResolvePath(FileSystemInfo fileInfo, Folder parent = null)
{
return ResolvePath(fileInfo, new DirectoryService(_logger), parent);
}
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/// <summary>
/// Resolves a path into a BaseItem
/// </summary>
/// <param name="fileInfo">The file info.</param>
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/// <param name="directoryService">The directory service.</param>
/// <param name="parent">The parent.</param>
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/// <returns>BaseItem.</returns>
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/// <exception cref="System.ArgumentNullException">fileInfo</exception>
public BaseItem ResolvePath(FileSystemInfo fileInfo, IDirectoryService directoryService, Folder parent = null)
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{
if (fileInfo == null)
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{
throw new ArgumentNullException("fileInfo");
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}
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var args = new ItemResolveArgs(ConfigurationManager.ApplicationPaths, this, directoryService)
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{
Parent = parent,
Path = fileInfo.FullName,
FileInfo = fileInfo
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};
// Return null if ignore rules deem that we should do so
if (EntityResolutionIgnoreRules.Any(r => r.ShouldIgnore(args)))
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{
return null;
}
// Gather child folder and files
if (args.IsDirectory)
{
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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(directoryService, 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
// Example: if \\server\movies exists, then strip out \\server\movies\action
if (isPhysicalRoot)
{
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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}
args.FileSystemDictionary = fileSystemDictionary;
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}
// Check to see if we should resolve based on our contents
if (args.IsDirectory && !ShouldResolvePathContents(args))
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{
return null;
}
return ResolveItem(args);
}
public IEnumerable<string> NormalizeRootPathList(IEnumerable<string> paths)
{
var list = paths.Select(_fileSystem.NormalizePath)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
var dupes = list.Where(subPath => !subPath.EndsWith(":\\", StringComparison.OrdinalIgnoreCase) && list.Any(i => _fileSystem.ContainsSubPath(i, subPath)))
.ToList();
foreach (var dupe in dupes)
{
_logger.Info("Found duplicate path: {0}", dupe);
}
return list.Except(dupes, StringComparer.OrdinalIgnoreCase);
}
/// <summary>
/// Determines whether a path should be ignored based on its contents - called after the contents have been read
/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
private static bool ShouldResolvePathContents(ItemResolveArgs args)
{
// Ignore any folders containing a file called .ignore
return !args.ContainsFileSystemEntryByName(".ignore");
}
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/// <summary>
/// Resolves a set of files into a list of BaseItem
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="files">The files.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <param name="parent">The parent.</param>
/// <returns>List{``0}.</returns>
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public List<T> ResolvePaths<T>(IEnumerable<FileSystemInfo> files, IDirectoryService directoryService, Folder parent)
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where T : BaseItem
{
var list = new List<T>();
Parallel.ForEach(files, f =>
{
try
{
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var item = ResolvePath(f, directoryService, parent) as T;
if (item != null)
{
lock (list)
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{
list.Add(item);
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}
}
}
catch (Exception ex)
{
_logger.ErrorException("Error resolving path {0}", ex, f.FullName);
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}
});
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()
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{
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var rootFolderPath = ConfigurationManager.ApplicationPaths.RootFolderPath;
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Directory.CreateDirectory(rootFolderPath);
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var rootFolder = GetItemById(rootFolderPath.GetMBId(typeof(AggregateFolder))) as AggregateFolder ?? (AggregateFolder)ResolvePath(new DirectoryInfo(rootFolderPath));
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// Add in the plug-in folders
foreach (var child in PluginFolderCreators)
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{
var folder = child.GetFolder();
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if (folder != null)
{
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if (folder.Id == Guid.Empty)
{
folder.Id = (folder.Path ?? folder.GetType().Name).GetMBId(folder.GetType());
}
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folder = GetItemById(folder.Id) as BasePluginFolder ?? folder;
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rootFolder.AddVirtualChild(folder);
RegisterItem(folder);
}
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}
return rootFolder;
}
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private UserRootFolder _userRootFolder;
public Folder GetUserRootFolder()
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{
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if (_userRootFolder == null)
{
var userRootPath = ConfigurationManager.ApplicationPaths.DefaultUserViewsPath;
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Directory.CreateDirectory(userRootPath);
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_userRootFolder = GetItemById(userRootPath.GetMBId(typeof(UserRootFolder))) as UserRootFolder ??
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(UserRootFolder)ResolvePath(new DirectoryInfo(userRootPath));
}
return _userRootFolder;
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}
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/// <summary>
/// Gets a Person
/// </summary>
/// <param name="name">The name.</param>
/// <returns>Task{Person}.</returns>
public Person GetPerson(string name)
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{
return GetItemByName<Person>(ConfigurationManager.ApplicationPaths.PeoplePath, name);
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}
/// <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);
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}
/// <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);
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}
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/// <summary>
/// Gets the genre.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>Task{MusicGenre}.</returns>
public MusicGenre GetMusicGenre(string name)
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{
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);
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}
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/// <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)
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{
if (value <= 0)
{
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throw new ArgumentOutOfRangeException("Years less than or equal to 0 are invalid.");
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}
return GetItemByName<Year>(ConfigurationManager.ApplicationPaths.YearPath, value.ToString(UsCulture));
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}
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/// <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);
}
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private T GetItemByName<T>(string path, string name)
where T : BaseItem, new()
{
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if (string.IsNullOrWhiteSpace(path))
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{
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throw new ArgumentNullException("path");
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}
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if (string.IsNullOrWhiteSpace(name))
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{
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throw new ArgumentNullException("name");
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}
var validFilename = _fileSystem.GetValidFilename(name).Trim();
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string subFolderPrefix = null;
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var type = typeof(T);
if (type == typeof(Person) && ConfigurationManager.Configuration.EnablePeoplePrefixSubFolders)
{
subFolderPrefix = validFilename.Substring(0, 1);
}
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var fullPath = string.IsNullOrEmpty(subFolderPrefix) ?
Path.Combine(path, validFilename) :
Path.Combine(path, subFolderPrefix, validFilename);
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var id = fullPath.GetMBId(type);
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BaseItem obj;
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if (!_libraryItemsCache.TryGetValue(id, out obj))
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{
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obj = CreateItemByName<T>(fullPath, name, id);
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RegisterItem(id, obj);
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}
return obj as T;
}
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/// <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>
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private T CreateItemByName<T>(string path, string name, Guid id)
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where T : BaseItem, new()
{
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var isArtist = typeof(T) == typeof(MusicArtist);
if (isArtist)
{
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var validFilename = _fileSystem.GetValidFilename(name).Trim();
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var existing = RootFolder.RecursiveChildren
.OfType<T>()
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.FirstOrDefault(i => string.Equals(_fileSystem.GetValidFilename(i.Name).Trim(), validFilename, StringComparison.OrdinalIgnoreCase));
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if (existing != null)
{
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return existing;
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}
}
var fileInfo = new DirectoryInfo(path);
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var isNew = false;
if (!fileInfo.Exists)
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{
fileInfo = Directory.CreateDirectory(path);
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isNew = true;
}
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var item = isNew ? null : GetItemById(id) as T;
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if (item == null)
{
item = new T
{
Name = name,
Id = id,
DateCreated = _fileSystem.GetCreationTimeUtc(fileInfo),
DateModified = _fileSystem.GetLastWriteTimeUtc(fileInfo),
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Path = path
};
}
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if (isArtist)
{
(item as MusicArtist).IsAccessedByName = true;
}
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return item;
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}
/// <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)
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{
// Ensure the location is available.
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Directory.CreateDirectory(ConfigurationManager.ApplicationPaths.PeoplePath);
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return new PeopleValidator(this, _logger, ConfigurationManager).ValidatePeople(cancellationToken, progress);
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}
/// <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)
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{
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// Ensure the location is unavailable.
Directory.CreateDirectory(ConfigurationManager.ApplicationPaths.ArtistsPath);
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return new ArtistsValidator(this, _userManager, _logger).Run(progress, cancellationToken);
}
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/// <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)
{
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// Ensure the location is unavailable.
Directory.CreateDirectory(ConfigurationManager.ApplicationPaths.MusicGenrePath);
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return new MusicGenresValidator(this, _logger).Run(progress, cancellationToken);
}
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/// <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)
{
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// Ensure the location is unavailable.
Directory.CreateDirectory(ConfigurationManager.ApplicationPaths.GameGenrePath);
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return new GameGenresValidator(this, _userManager, _logger).Run(progress, cancellationToken);
}
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/// <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)
{
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// Ensure the location is unavailable.
Directory.CreateDirectory(ConfigurationManager.ApplicationPaths.StudioPath);
return new StudiosValidator(this, _userManager, _logger).Run(progress, cancellationToken);
}
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/// <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)
{
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// Ensure the location is unavailable.
Directory.CreateDirectory(ConfigurationManager.ApplicationPaths.GenrePath);
return new GenresValidator(this, _userManager, _logger).Run(progress, cancellationToken);
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}
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/// <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>();
}
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/// <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)
{
_libraryMonitorFactory().Stop();
try
{
await PerformLibraryValidation(progress, cancellationToken).ConfigureAwait(false);
}
finally
{
_libraryMonitorFactory().Start();
}
}
private async Task PerformLibraryValidation(IProgress<double> progress, CancellationToken cancellationToken)
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{
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_logger.Info("Validating media library");
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await RootFolder.RefreshMetadata(cancellationToken).ConfigureAwait(false);
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progress.Report(.5);
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// Start by just validating the children of the root, but go no further
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await RootFolder.ValidateChildren(new Progress<double>(), cancellationToken, new MetadataRefreshOptions(), recursive: false);
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progress.Report(1);
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var userRoot = GetUserRootFolder();
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2014-02-21 05:04:11 +00:00
await userRoot.RefreshMetadata(cancellationToken).ConfigureAwait(false);
await userRoot.ValidateChildren(new Progress<double>(), cancellationToken, new MetadataRefreshOptions(), recursive: false).ConfigureAwait(false);
progress.Report(2);
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var innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(pct => progress.Report(2 + pct * .73));
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2013-02-21 01:33:05 +00:00
// Now validate the entire media library
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await RootFolder.ValidateChildren(innerProgress, cancellationToken, new MetadataRefreshOptions(), recursive: true).ConfigureAwait(false);
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progress.Report(75);
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innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(pct => progress.Report(75 + pct * .25));
// Run post-scan tasks
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await RunPostScanTasks(innerProgress, cancellationToken).ConfigureAwait(false);
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progress.Report(100);
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// Bad practice, i know. But we keep a lot in memory, unfortunately.
GC.Collect(2, GCCollectionMode.Forced, true);
GC.Collect(2, GCCollectionMode.Forced, true);
2013-02-21 01:33:05 +00:00
}
/// <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)
{
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var tasks = PostscanTasks.ToList();
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var numComplete = 0;
var numTasks = tasks.Count;
foreach (var task in tasks)
{
var innerProgress = new ActionableProgress<double>();
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// Prevent access to modified closure
var currentNumComplete = numComplete;
innerProgress.RegisterAction(pct =>
{
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double innerPercent = (currentNumComplete * 100) + pct;
innerPercent /= numTasks;
progress.Report(innerPercent);
});
try
{
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await task.Run(innerProgress, cancellationToken);
}
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catch (OperationCanceledException)
{
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_logger.Info("Post-scan task cancelled: {0}", task.GetType().Name);
2013-09-18 02:43:34 +00:00
}
catch (Exception ex)
{
_logger.ErrorException("Error running postscan task", ex);
}
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numComplete++;
double percent = numComplete;
percent /= numTasks;
progress.Report(percent * 100);
}
progress.Report(100);
}
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/// <summary>
/// Gets the default view.
/// </summary>
/// <returns>IEnumerable{VirtualFolderInfo}.</returns>
public IEnumerable<VirtualFolderInfo> GetDefaultVirtualFolders()
{
2013-03-04 05:43:06 +00:00
return GetView(ConfigurationManager.ApplicationPaths.DefaultUserViewsPath);
2013-02-21 01:33:05 +00:00
}
/// <summary>
/// Gets the view.
/// </summary>
/// <param name="user">The user.</param>
/// <returns>IEnumerable{VirtualFolderInfo}.</returns>
public IEnumerable<VirtualFolderInfo> GetVirtualFolders(User user)
{
2014-02-21 05:04:11 +00:00
return GetDefaultVirtualFolders();
2013-02-21 01:33:05 +00:00
}
/// <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),
2013-07-12 19:56:40 +00:00
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Locations = Directory.EnumerateFiles(dir, "*.mblink", SearchOption.TopDirectoryOnly)
.Select(_fileSystem.ResolveShortcut)
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.OrderBy(i => i)
.ToList(),
CollectionType = GetCollectionType(dir)
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});
}
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private string GetCollectionType(string path)
{
return new DirectoryInfo(path).EnumerateFiles("*.collection", SearchOption.TopDirectoryOnly)
2014-07-26 17:30:15 +00:00
.Select(i => _fileSystem.GetFileNameWithoutExtension(i))
2013-07-12 19:56:40 +00:00
.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;
}
2014-03-20 15:55:22 +00:00
item = RetrieveItem(id);
if (item != null)
{
RegisterItem(item);
}
return item;
}
/// <summary>
/// Gets the intros.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="user">The user.</param>
/// <returns>IEnumerable{System.String}.</returns>
2014-09-22 21:56:54 +00:00
public async Task<IEnumerable<Video>> GetIntros(BaseItem item, User user)
{
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var tasks = IntroProviders
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.OrderBy(i => (i.GetType().Name.IndexOf("Default", StringComparison.OrdinalIgnoreCase) == -1 ? 0 : 1))
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.Take(1)
.Select(i => GetIntros(i, item, user));
var items = await Task.WhenAll(tasks).ConfigureAwait(false);
return items
.SelectMany(i => i.ToArray())
.Select(ResolveIntro)
.Where(i => i != null);
}
2014-09-22 21:56:54 +00:00
/// <summary>
/// Gets the intros.
/// </summary>
/// <param name="provider">The provider.</param>
/// <param name="item">The item.</param>
/// <param name="user">The user.</param>
/// <returns>Task&lt;IEnumerable&lt;IntroInfo&gt;&gt;.</returns>
private async Task<IEnumerable<IntroInfo>> GetIntros(IIntroProvider provider, BaseItem item, User user)
{
try
{
return await provider.GetIntros(item, user).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting intros", ex);
return new List<IntroInfo>();
}
}
/// <summary>
/// Gets all intro files.
/// </summary>
/// <returns>IEnumerable{System.String}.</returns>
public IEnumerable<string> GetAllIntroFiles()
{
2014-09-23 00:04:50 +00:00
return IntroProviders.SelectMany(i =>
{
try
{
return i.GetAllIntroFiles().ToList();
}
catch (Exception ex)
{
_logger.ErrorException("Error getting intro files", ex);
return new List<string>();
}
});
}
/// <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)
{
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;
}
2013-03-10 04:22:36 +00:00
/// <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;
2013-03-10 04:22:36 +00:00
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>
2013-05-23 15:39:48 +00:00
public Task CreateItem(BaseItem item, CancellationToken cancellationToken)
{
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return CreateItems(new[] { item }, cancellationToken);
}
2013-05-23 15:39:48 +00:00
/// <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)
{
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foreach (var item in list)
{
2013-05-23 15:39:48 +00:00
try
{
ItemAdded(this, new ItemChangeEventArgs { Item = item });
}
catch (Exception ex)
{
_logger.ErrorException("Error in ItemAdded event handler", ex);
2013-05-23 15:39:48 +00:00
}
}
}
}
/// <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)
{
var locationType = item.LocationType;
if (locationType != LocationType.Remote && locationType != LocationType.Virtual)
{
2014-02-02 13:36:31 +00:00
await _providerManagerFactory().SaveMetadata(item, updateReason).ConfigureAwait(false);
}
2014-02-21 05:04:11 +00:00
item.DateLastSaved = DateTime.UtcNow;
2014-09-28 20:49:43 +00:00
var logName = item.LocationType == LocationType.Remote ? item.Name ?? item.Path : item.Path ?? item.Name;
_logger.Debug("Saving {0} to database.", logName);
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await ItemRepository.SaveItem(item, cancellationToken).ConfigureAwait(false);
UpdateItemInLibraryCache(item);
if (ItemUpdated != null)
{
try
{
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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)
{
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>
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/// <returns>BaseItem.</returns>
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public BaseItem RetrieveItem(Guid id)
{
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return ItemRepository.RetrieveItem(id);
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}
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/// <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)
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.OfType<ICollectionFolder>()
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.Where(i => string.Equals(i.Path, item.Path, StringComparison.OrdinalIgnoreCase) || i.PhysicalLocations.Contains(item.Path))
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.Select(i => i.CollectionType)
.Where(i => !string.IsNullOrEmpty(i))
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.Distinct()
.ToList();
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return collectionTypes.Count == 1 ? collectionTypes[0] : null;
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}
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public Task<UserView> GetNamedView(string name, string type, string sortName, CancellationToken cancellationToken)
{
return GetNamedView(name, null, type, sortName, cancellationToken);
}
public async Task<UserView> GetNamedView(string name, string category, string type, string sortName, CancellationToken cancellationToken)
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{
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var path = Path.Combine(ConfigurationManager.ApplicationPaths.ItemsByNamePath,
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"views");
if (!string.IsNullOrWhiteSpace(category))
{
path = Path.Combine(path, _fileSystem.GetValidFilename(category));
}
path = Path.Combine(path, _fileSystem.GetValidFilename(type));
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var id = (path + "_namedview_" + name).GetMBId(typeof(UserView));
var item = GetItemById(id) as UserView;
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if (item == null ||
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!string.Equals(item.Path, path, StringComparison.OrdinalIgnoreCase))
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{
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Directory.CreateDirectory(path);
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item = new UserView
{
Path = path,
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Id = id,
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DateCreated = DateTime.UtcNow,
Name = name,
ViewType = type,
ForcedSortName = sortName
};
await CreateItem(item, cancellationToken).ConfigureAwait(false);
await item.RefreshMetadata(cancellationToken).ConfigureAwait(false);
}
return item;
}
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}
}