mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-06 11:34:57 +02:00
217 lines
7.2 KiB
C#
217 lines
7.2 KiB
C#
using MediaBrowser.Controller.IO;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Threading;
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using System.Threading.Tasks;
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using CommonIO;
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namespace MediaBrowser.Controller.Entities
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{
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/// <summary>
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/// Specialized Folder class that points to a subset of the physical folders in the system.
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/// It is created from the user-specific folders within the system root
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/// </summary>
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public class CollectionFolder : Folder, ICollectionFolder
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{
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public CollectionFolder()
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{
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PhysicalLocationsList = new List<string>();
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}
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/// <summary>
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/// Gets a value indicating whether this instance is virtual folder.
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/// </summary>
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/// <value><c>true</c> if this instance is virtual folder; otherwise, <c>false</c>.</value>
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[IgnoreDataMember]
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public override bool IsVirtualFolder
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{
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get
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{
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return true;
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}
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}
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[IgnoreDataMember]
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protected override bool SupportsShortcutChildren
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{
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get
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{
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return true;
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}
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}
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public override bool CanDelete()
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{
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return false;
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}
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public string CollectionType { get; set; }
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/// <summary>
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/// Allow different display preferences for each collection folder
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/// </summary>
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/// <value>The display prefs id.</value>
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[IgnoreDataMember]
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public override Guid DisplayPreferencesId
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{
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get
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{
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return Id;
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}
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}
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[IgnoreDataMember]
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public override IEnumerable<string> PhysicalLocations
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{
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get
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{
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return PhysicalLocationsList;
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}
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}
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public override bool IsSaveLocalMetadataEnabled()
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{
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return true;
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}
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public List<string> PhysicalLocationsList { get; set; }
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protected override IEnumerable<FileSystemMetadata> GetFileSystemChildren(IDirectoryService directoryService)
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{
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return CreateResolveArgs(directoryService).FileSystemChildren;
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}
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internal override bool IsValidFromResolver(BaseItem newItem)
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{
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var newCollectionFolder = newItem as CollectionFolder;
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if (newCollectionFolder != null)
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{
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if (!string.Equals(CollectionType, newCollectionFolder.CollectionType, StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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}
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return base.IsValidFromResolver(newItem);
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}
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private ItemResolveArgs CreateResolveArgs(IDirectoryService directoryService)
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{
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var path = ContainingFolderPath;
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var args = new ItemResolveArgs(ConfigurationManager.ApplicationPaths, directoryService)
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{
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FileInfo = FileSystem.GetDirectoryInfo(path),
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Path = path,
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Parent = Parent,
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CollectionType = CollectionType
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};
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// Gather child folder and files
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if (args.IsDirectory)
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{
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var isPhysicalRoot = args.IsPhysicalRoot;
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// When resolving the root, we need it's grandchildren (children of user views)
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var flattenFolderDepth = isPhysicalRoot ? 2 : 0;
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var fileSystemDictionary = FileData.GetFilteredFileSystemEntries(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
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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 = LibraryManager.NormalizeRootPathList(fileSystemDictionary.Values);
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fileSystemDictionary = paths.ToDictionary(i => i.FullName);
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}
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args.FileSystemDictionary = fileSystemDictionary;
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}
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PhysicalLocationsList = args.PhysicalLocations.ToList();
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return args;
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}
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/// <summary>
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/// Compare our current children (presumably just read from the repo) with the current state of the file system and adjust for any changes
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/// ***Currently does not contain logic to maintain items that are unavailable in the file system***
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/// </summary>
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/// <param name="progress">The progress.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="recursive">if set to <c>true</c> [recursive].</param>
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/// <param name="refreshChildMetadata">if set to <c>true</c> [refresh child metadata].</param>
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/// <param name="refreshOptions">The refresh options.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <returns>Task.</returns>
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protected override Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
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{
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var list = PhysicalLocationsList.ToList();
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CreateResolveArgs(directoryService);
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if (!list.SequenceEqual(PhysicalLocationsList))
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{
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return UpdateToRepository(ItemUpdateType.MetadataImport, cancellationToken);
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}
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return Task.FromResult(true);
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}
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/// <summary>
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/// Our children are actually just references to the ones in the physical root...
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/// </summary>
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/// <value>The linked children.</value>
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public override List<LinkedChild> LinkedChildren
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{
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get { return GetLinkedChildrenInternal(); }
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set
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{
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base.LinkedChildren = value;
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}
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}
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private List<LinkedChild> GetLinkedChildrenInternal()
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{
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return GetPhysicalParents()
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.SelectMany(c => c.LinkedChildren)
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.ToList();
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}
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/// <summary>
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/// Our children are actually just references to the ones in the physical root...
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/// </summary>
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/// <value>The actual children.</value>
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protected override IEnumerable<BaseItem> ActualChildren
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{
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get { return GetActualChildren(); }
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}
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private IEnumerable<BaseItem> GetActualChildren()
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{
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return GetPhysicalParents().SelectMany(c => c.Children);
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}
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public IEnumerable<Folder> GetPhysicalParents()
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{
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return LibraryManager.RootFolder.Children
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.OfType<Folder>()
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.Where(i => i.Path != null && PhysicalLocations.Contains(i.Path, StringComparer.OrdinalIgnoreCase));
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}
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[IgnoreDataMember]
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public override bool SupportsPeople
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{
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get
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{
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return false;
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}
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}
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}
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}
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