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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.IO;
namespace Emby.Server.Implementations.Library
{
/// <summary>
/// Provides the core resolver ignore rules
/// </summary>
public class CoreResolutionIgnoreRule : IResolverIgnoreRule
{
private readonly ILibraryManager _libraryManager;
/// <summary>
/// Any folder named in this list will be ignored
/// </summary>
private 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",
};
/// <summary>
/// Initializes a new instance of the <see cref="CoreResolutionIgnoreRule"/> class.
/// </summary>
/// <param name="libraryManager">The library manager.</param>
public CoreResolutionIgnoreRule(ILibraryManager libraryManager)
{
_libraryManager = libraryManager;
}
/// <inheritdoc />
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;
// Ignore hidden files on UNIX
if (Environment.OSVersion.Platform != PlatformID.Win32NT
&& filename[0] == '.')
{
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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