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jellyfin/MediaBrowser.Controller/Library/ItemResolveArgs.cs

269 lines
9.0 KiB

#pragma warning disable CS1591
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using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.IO;
namespace MediaBrowser.Controller.Library
{
/// <summary>
/// These are arguments relating to the file system that are collected once and then referred to
/// whenever needed. Primarily for entity resolution.
/// </summary>
public class ItemResolveArgs : EventArgs
{
/// <summary>
/// The _app paths.
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/// </summary>
private readonly IServerApplicationPaths _appPaths;
public IDirectoryService DirectoryService { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="ItemResolveArgs" /> class.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="directoryService">The directory service.</param>
public ItemResolveArgs(IServerApplicationPaths appPaths, IDirectoryService directoryService)
{
_appPaths = appPaths;
DirectoryService = directoryService;
}
/// <summary>
/// Gets the file system children.
/// </summary>
/// <value>The file system children.</value>
public FileSystemMetadata[] FileSystemChildren { get; set; }
public LibraryOptions LibraryOptions { get; set; }
public LibraryOptions GetLibraryOptions()
{
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return LibraryOptions ?? (LibraryOptions = Parent == null ? new LibraryOptions() : BaseItem.LibraryManager.GetLibraryOptions(Parent));
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}
/// <summary>
/// Gets or sets the parent.
/// </summary>
/// <value>The parent.</value>
public Folder Parent { get; set; }
/// <summary>
/// Gets or sets the file info.
/// </summary>
/// <value>The file info.</value>
public FileSystemMetadata FileInfo { get; set; }
/// <summary>
/// Gets or sets the path.
/// </summary>
/// <value>The path.</value>
public string Path { get; set; }
/// <summary>
/// Gets a value indicating whether this instance is directory.
/// </summary>
/// <value><c>true</c> if this instance is directory; otherwise, <c>false</c>.</value>
public bool IsDirectory => FileInfo.IsDirectory;
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/// <summary>
/// Gets a value indicating whether this instance is vf.
/// </summary>
/// <value><c>true</c> if this instance is vf; otherwise, <c>false</c>.</value>
public bool IsVf
{
// we should be considered a virtual folder if we are a child of one of the children of the system root folder.
// this is a bit of a trick to determine that... the directory name of a sub-child of the root will start with
// the root but not be equal to it
get
{
if (!IsDirectory)
{
return false;
}
var parentDir = System.IO.Path.GetDirectoryName(Path) ?? string.Empty;
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return parentDir.Length > _appPaths.RootFolderPath.Length
&& parentDir.StartsWith(_appPaths.RootFolderPath, StringComparison.OrdinalIgnoreCase);
}
}
/// <summary>
/// Gets a value indicating whether this instance is physical root.
/// </summary>
/// <value><c>true</c> if this instance is physical root; otherwise, <c>false</c>.</value>
public bool IsPhysicalRoot => IsDirectory && BaseItem.FileSystem.AreEqual(Path, _appPaths.RootFolderPath);
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/// <summary>
/// Gets or sets the additional locations.
/// </summary>
/// <value>The additional locations.</value>
private List<string> AdditionalLocations { get; set; }
public bool HasParent<T>()
where T : Folder
{
var parent = Parent;
if (parent != null)
{
var item = parent as T;
// Just in case the user decided to nest episodes.
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// Not officially supported but in some cases we can handle it.
if (item == null)
{
var parents = parent.GetParents();
foreach (var currentParent in parents)
{
if (currentParent is T)
{
return true;
}
}
}
return item != null;
}
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return false;
}
/// <summary>
/// Adds the additional location.
/// </summary>
/// <param name="path">The path.</param>
/// <exception cref="ArgumentNullException"></exception>
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public void AddAdditionalLocation(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("The path was empty or null.", nameof(path));
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}
if (AdditionalLocations == null)
{
AdditionalLocations = new List<string>();
}
AdditionalLocations.Add(path);
}
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// REVIEW: @bond
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/// <summary>
/// Gets the physical locations.
/// </summary>
/// <value>The physical locations.</value>
public string[] PhysicalLocations
{
get
{
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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();
}
}
/// <summary>
/// Gets the name of the file system entry by.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>FileSystemInfo.</returns>
/// <exception cref="ArgumentNullException"></exception>
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public FileSystemMetadata GetFileSystemEntryByName(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("The name was empty or null.", nameof(name));
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}
return GetFileSystemEntryByPath(System.IO.Path.Combine(Path, name));
}
/// <summary>
/// Gets the file system entry by path.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>FileSystemInfo.</returns>
/// <exception cref="ArgumentNullException"></exception>
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public FileSystemMetadata GetFileSystemEntryByPath(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("The path was empty or null.", nameof(path));
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}
foreach (var file in FileSystemChildren)
{
if (string.Equals(file.FullName, path, StringComparison.Ordinal))
{
return file;
}
}
return null;
}
/// <summary>
/// Determines whether [contains file system entry by name] [the specified name].
/// </summary>
/// <param name="name">The name.</param>
/// <returns><c>true</c> if [contains file system entry by name] [the specified name]; otherwise, <c>false</c>.</returns>
public bool ContainsFileSystemEntryByName(string name)
{
return GetFileSystemEntryByName(name) != null;
}
public string GetCollectionType()
{
return CollectionType;
}
public string CollectionType { get; set; }
/// <summary>
/// Determines whether the specified <see cref="object" /> is equal to this instance.
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/// </summary>
/// <param name="obj">The object to compare with the current object.</param>
/// <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)
{
return Equals(obj as ItemResolveArgs);
}
/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
public override int GetHashCode()
{
return Path.GetHashCode();
}
/// <summary>
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/// Equals the specified args.
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/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected bool Equals(ItemResolveArgs args)
{
if (args != null)
{
if (args.Path == null && Path == null)
{
return true;
}
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return args.Path != null && BaseItem.FileSystem.AreEqual(args.Path, Path);
}
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return false;
}
}
}