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#nullable disable
using System;
using System.IO;
using System.Linq;
using Jellyfin.Data.Enums;
using Jellyfin.Extensions;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.LocalMetadata.Savers;
namespace Emby.Server.Implementations.Library.Resolvers
{
/// <summary>
/// <see cref="IItemResolver"/> for <see cref="Playlist"/> library items.
/// </summary>
public class PlaylistResolver : GenericFolderResolver<Playlist>
{
private readonly CollectionType?[] _musicPlaylistCollectionTypes =
[
null,
CollectionType.music
];
/// <inheritdoc/>
protected override Playlist Resolve(ItemResolveArgs args)
{
if (args.IsDirectory)
{
// It's a playlist if the path is a directory with [playlist] in its name
var filename = Path.GetFileName(Path.TrimEndingDirectorySeparator(args.Path));
if (string.IsNullOrEmpty(filename))
{
return null;
}
if (filename.Contains("[playlist]", StringComparison.OrdinalIgnoreCase))
{
return new Playlist
{
Path = args.Path,
Name = filename.Replace("[playlist]", string.Empty, StringComparison.OrdinalIgnoreCase).Trim(),
OpenAccess = true
};
}
// It's a directory-based playlist if the directory contains a playlist file
var filePaths = Directory.EnumerateFiles(args.Path, "*", new EnumerationOptions { IgnoreInaccessible = true });
if (filePaths.Any(f => f.EndsWith(PlaylistXmlSaver.DefaultPlaylistFilename, StringComparison.OrdinalIgnoreCase)))
{
return new Playlist
{
Path = args.Path,
Name = filename,
OpenAccess = true
};
}
}
// Check if this is a music playlist file
// It should have the correct collection type and a supported file extension
else if (_musicPlaylistCollectionTypes.Contains(args.CollectionType))
{
var extension = Path.GetExtension(args.Path.AsSpan());
if (Playlist.SupportedExtensions.Contains(extension, StringComparison.OrdinalIgnoreCase))
{
return new Playlist
{
Path = args.Path,
Name = Path.GetFileNameWithoutExtension(args.Path),
IsInMixedFolder = true,
PlaylistMediaType = MediaType.Audio,
OpenAccess = true
};
}
}
return null;
}
}
}
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