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using System;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.IO;
namespace Emby.Server.Implementations.Library
{
/// <summary>
/// Provides the core resolver ignore rules
/// </summary>
public class CoreResolutionIgnoreRule : IResolverIgnoreRule
{
private readonly ILibraryManager _libraryManager;
private bool _ignoreDotPrefix;
/// <summary>
/// Any folder named in this list will be ignored - can be added to at runtime for extensibility
/// </summary>
public static readonly string[] IgnoreFolders =
{
"metadata",
"ps3_update",
"ps3_vprm",
"extrafanart",
"extrathumbs",
".actors",
".wd_tv",
// Synology
"@eaDir",
"eaDir",
"#recycle",
// Qnap
"@Recycle",
".@__thumb",
"$RECYCLE.BIN",
"System Volume Information",
".grab",
// macos
".AppleDouble"
};
public CoreResolutionIgnoreRule(ILibraryManager libraryManager)
{
_libraryManager = libraryManager;
_ignoreDotPrefix = Environment.OSVersion.Platform != PlatformID.Win32NT;
}
/// <summary>
/// Shoulds the ignore.
/// </summary>
/// <param name="fileInfo">The file information.</param>
/// <param name="parent">The parent.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public bool ShouldIgnore(FileSystemMetadata fileInfo, BaseItem parent)
{
// Don't ignore top level folders
if (fileInfo.IsDirectory && parent is AggregateFolder)
{
return false;
}
var filename = fileInfo.Name;
var path = fileInfo.FullName;
// Handle mac .DS_Store
// https://github.com/MediaBrowser/MediaBrowser/issues/427
if (_ignoreDotPrefix)
{
if (filename.IndexOf('.') == 0)
{
return true;
}
}
// Ignore hidden files and folders
//if (fileInfo.IsHidden)
//{
// if (parent == null)
// {
// var parentFolderName = Path.GetFileName(_fileSystem.GetDirectoryName(path));
// if (string.Equals(parentFolderName, BaseItem.ThemeSongsFolderName, StringComparison.OrdinalIgnoreCase))
// {
// return false;
// }
// if (string.Equals(parentFolderName, BaseItem.ThemeVideosFolderName, StringComparison.OrdinalIgnoreCase))
// {
// return false;
// }
// }
// // Sometimes these are marked hidden
// if (_fileSystem.IsRootPath(path))
// {
// return false;
// }
// return true;
//}
if (fileInfo.IsDirectory)
{
// Ignore any folders in our list
if (IgnoreFolders.Contains(filename, StringComparer.OrdinalIgnoreCase))
{
return true;
}
if (parent != null)
{
// Ignore trailer folders but allow it at the collection level
if (string.Equals(filename, BaseItem.TrailerFolderName, StringComparison.OrdinalIgnoreCase) &&
!(parent is AggregateFolder) && !(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 (parent != null)
{
// Don't resolve these into audio files
if (string.Equals(Path.GetFileNameWithoutExtension(filename), BaseItem.ThemeSongFilename) && _libraryManager.IsAudioFile(filename))
{
return true;
}
}
// Ignore samples
Match m = Regex.Match(filename,@"\bsample\b",RegexOptions.IgnoreCase);
return m.Success;
}
return false;
}
}
}
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