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267 lines
9.0 KiB
C#
267 lines
9.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.IO;
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namespace MediaBrowser.Controller.Library
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{
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/// <summary>
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/// These are arguments relating to the file system that are collected once and then referred to
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/// whenever needed. Primarily for entity resolution.
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/// </summary>
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public class ItemResolveArgs : EventArgs
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{
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/// <summary>
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/// The _app paths.
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/// </summary>
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private readonly IServerApplicationPaths _appPaths;
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public IDirectoryService DirectoryService { get; private set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="ItemResolveArgs" /> class.
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/// </summary>
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/// <param name="appPaths">The app paths.</param>
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/// <param name="directoryService">The directory service.</param>
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public ItemResolveArgs(IServerApplicationPaths appPaths, IDirectoryService directoryService)
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{
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_appPaths = appPaths;
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DirectoryService = directoryService;
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}
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/// <summary>
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/// Gets the file system children.
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/// </summary>
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/// <value>The file system children.</value>
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public FileSystemMetadata[] FileSystemChildren { get; set; }
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public LibraryOptions LibraryOptions { get; set; }
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public LibraryOptions GetLibraryOptions()
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{
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return LibraryOptions ?? (LibraryOptions = Parent == null ? new LibraryOptions() : BaseItem.LibraryManager.GetLibraryOptions(Parent));
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}
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/// <summary>
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/// Gets or sets the parent.
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/// </summary>
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/// <value>The parent.</value>
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public Folder Parent { get; set; }
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/// <summary>
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/// Gets or sets the file info.
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/// </summary>
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/// <value>The file info.</value>
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public FileSystemMetadata FileInfo { get; set; }
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/// <summary>
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/// Gets or sets the path.
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/// </summary>
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/// <value>The path.</value>
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public string Path { get; set; }
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/// <summary>
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/// Gets a value indicating whether this instance is directory.
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/// </summary>
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/// <value><c>true</c> if this instance is directory; otherwise, <c>false</c>.</value>
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public bool IsDirectory => FileInfo.IsDirectory;
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/// <summary>
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/// Gets a value indicating whether this instance is vf.
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/// </summary>
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/// <value><c>true</c> if this instance is vf; otherwise, <c>false</c>.</value>
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public bool IsVf
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{
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// we should be considered a virtual folder if we are a child of one of the children of the system root folder.
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// this is a bit of a trick to determine that... the directory name of a sub-child of the root will start with
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// the root but not be equal to it
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get
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{
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if (!IsDirectory)
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{
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return false;
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}
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var parentDir = System.IO.Path.GetDirectoryName(Path) ?? string.Empty;
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return parentDir.Length > _appPaths.RootFolderPath.Length
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&& parentDir.StartsWith(_appPaths.RootFolderPath, StringComparison.OrdinalIgnoreCase);
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}
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}
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/// <summary>
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/// Gets a value indicating whether this instance is physical root.
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/// </summary>
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/// <value><c>true</c> if this instance is physical root; otherwise, <c>false</c>.</value>
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public bool IsPhysicalRoot => IsDirectory && BaseItem.FileSystem.AreEqual(Path, _appPaths.RootFolderPath);
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/// <summary>
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/// Gets or sets the additional locations.
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/// </summary>
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/// <value>The additional locations.</value>
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private List<string> AdditionalLocations { get; set; }
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public bool HasParent<T>()
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where T : Folder
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{
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var parent = Parent;
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if (parent != null)
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{
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var item = parent as T;
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// Just in case the user decided to nest episodes.
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// Not officially supported but in some cases we can handle it.
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if (item == null)
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{
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var parents = parent.GetParents();
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foreach (var currentParent in parents)
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{
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if (currentParent is T)
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{
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return true;
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}
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}
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}
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return item != null;
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}
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return false;
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}
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/// <summary>
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/// Adds the additional location.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <exception cref="ArgumentNullException"></exception>
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public void AddAdditionalLocation(string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentException("The path was empty or null.", nameof(path));
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}
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if (AdditionalLocations == null)
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{
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AdditionalLocations = new List<string>();
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}
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AdditionalLocations.Add(path);
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}
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// REVIEW: @bond
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/// <summary>
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/// Gets the physical locations.
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/// </summary>
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/// <value>The physical locations.</value>
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public string[] PhysicalLocations
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{
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get
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{
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var paths = string.IsNullOrEmpty(Path) ? Array.Empty<string>() : new[] { Path };
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return AdditionalLocations == null ? paths : paths.Concat(AdditionalLocations).ToArray();
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}
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}
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/// <summary>
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/// Gets the name of the file system entry by.
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns>FileSystemInfo.</returns>
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/// <exception cref="ArgumentNullException"></exception>
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public FileSystemMetadata GetFileSystemEntryByName(string name)
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{
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if (string.IsNullOrEmpty(name))
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{
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throw new ArgumentException("The name was empty or null.", nameof(name));
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}
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return GetFileSystemEntryByPath(System.IO.Path.Combine(Path, name));
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}
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/// <summary>
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/// Gets the file system entry by path.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>FileSystemInfo.</returns>
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/// <exception cref="ArgumentNullException"></exception>
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public FileSystemMetadata GetFileSystemEntryByPath(string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentException("The path was empty or null.", nameof(path));
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}
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foreach (var file in FileSystemChildren)
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{
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if (string.Equals(file.FullName, path, StringComparison.Ordinal))
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{
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return file;
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}
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}
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return null;
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}
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/// <summary>
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/// Determines whether [contains file system entry by name] [the specified name].
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns><c>true</c> if [contains file system entry by name] [the specified name]; otherwise, <c>false</c>.</returns>
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public bool ContainsFileSystemEntryByName(string name)
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{
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return GetFileSystemEntryByName(name) != null;
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}
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public string GetCollectionType()
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{
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return CollectionType;
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}
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public string CollectionType { get; set; }
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/// <summary>
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/// Determines whether the specified <see cref="object" /> is equal to this instance.
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/// </summary>
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/// <param name="obj">The object to compare with the current object.</param>
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/// <returns><c>true</c> if the specified <see cref="object" /> is equal to this instance; otherwise, <c>false</c>.</returns>
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public override bool Equals(object obj)
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{
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return Equals(obj as ItemResolveArgs);
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}
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/// <summary>
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/// Returns a hash code for this instance.
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/// </summary>
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/// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
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public override int GetHashCode()
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{
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return Path.GetHashCode();
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}
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/// <summary>
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/// Equals the specified args.
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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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protected bool Equals(ItemResolveArgs args)
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{
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if (args != null)
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{
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if (args.Path == null && Path == null)
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{
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return true;
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}
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return args.Path != null && BaseItem.FileSystem.AreEqual(args.Path, Path);
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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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