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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Resolvers;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace MediaBrowser.Server.Implementations.Library
{
/// <summary>
/// Provides the core resolver ignore rules
/// </summary>
public class CoreResolutionIgnoreRule : IResolverIgnoreRule
{
/// <summary>
/// Any folder named in this list will be ignored - can be added to at runtime for extensibility
/// </summary>
private static readonly Dictionary<string,string> IgnoreFolders = new List<string>
{
"metadata",
"certificate",
"backup",
"ps3_update",
"ps3_vprm",
"adv_obj",
"extrafanart"
}.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
/// <summary>
/// Shoulds the ignore.
/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public bool ShouldIgnore(ItemResolveArgs args)
{
var filename = args.FileInfo.Name;
// Handle mac .DS_Store
// https://github.com/MediaBrowser/MediaBrowser/issues/427
if (filename.IndexOf("._", StringComparison.OrdinalIgnoreCase) == 0)
{
return true;
}
// Ignore hidden files and folders
if (args.IsHidden)
{
var parentFolderName = Path.GetFileName(Path.GetDirectoryName(args.Path));
if (string.Equals(parentFolderName, BaseItem.ThemeSongsFolderName, StringComparison.OrdinalIgnoreCase))
{
return false;
}
if (string.Equals(parentFolderName, BaseItem.ThemeVideosFolderName, StringComparison.OrdinalIgnoreCase))
{
return false;
}
// Drives will sometimes be hidden
if (args.Path.EndsWith(Path.VolumeSeparatorChar + "\\", StringComparison.OrdinalIgnoreCase))
{
return false;
}
// Shares will sometimes be hidden
if (args.Path.StartsWith("\\", StringComparison.OrdinalIgnoreCase))
{
// Look for a share, e.g. \\server\movies
// Is there a better way to detect if a path is a share without using native code?
if (args.Path.Substring(2).Split(Path.DirectorySeparatorChar).Length == 2)
{
return false;
}
}
return true;
}
if (args.IsDirectory)
{
// Ignore any folders in our list
if (IgnoreFolders.ContainsKey(filename))
{
return true;
}
// Ignore trailer folders but allow it at the collection level
if (string.Equals(filename, BaseItem.TrailerFolderName, StringComparison.OrdinalIgnoreCase) &&
!(args.Parent is AggregateFolder) && !(args.Parent is UserRootFolder))
{
return true;
}
if (string.Equals(filename, BaseItem.ThemeVideosFolderName, StringComparison.OrdinalIgnoreCase))
{
return true;
}
if (string.Equals(filename, BaseItem.ThemeSongsFolderName, StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
else
{
if (args.Parent != null)
{
// Don't resolve these into audio files
if (string.Equals(Path.GetFileNameWithoutExtension(filename), BaseItem.ThemeSongFilename) && EntityResolutionHelper.IsAudioFile(filename))
{
return true;
}
}
}
return false;
}
}
}
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