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jellyfin/Emby.Server.Implementations/Library/Resolvers/Audio/MusicArtistResolver.cs

110 lines
3.6 KiB

#nullable disable
using System;
using System.Linq;
using System.Threading.Tasks;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Library.Resolvers.Audio
{
/// <summary>
/// Class MusicArtistResolver.
/// </summary>
public class MusicArtistResolver : ItemResolver<MusicArtist>
{
private readonly ILogger<MusicAlbumResolver> _logger;
private readonly IFileSystem _fileSystem;
private readonly ILibraryManager _libraryManager;
private readonly IServerConfigurationManager _config;
/// <summary>
/// Initializes a new instance of the <see cref="MusicArtistResolver"/> class.
/// </summary>
/// <param name="logger">The logger for the created <see cref="MusicAlbumResolver"/> instances.</param>
/// <param name="fileSystem">The file system.</param>
/// <param name="libraryManager">The library manager.</param>
/// <param name="config">The configuration manager.</param>
public MusicArtistResolver(
ILogger<MusicAlbumResolver> logger,
IFileSystem fileSystem,
ILibraryManager libraryManager,
IServerConfigurationManager config)
{
_logger = logger;
_fileSystem = fileSystem;
_libraryManager = libraryManager;
_config = config;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override ResolverPriority Priority => ResolverPriority.Second;
/// <summary>
/// Resolves the specified args.
/// </summary>
/// <param name="args">The args.</param>
/// <returns>MusicArtist.</returns>
protected override MusicArtist Resolve(ItemResolveArgs args)
{
if (!args.IsDirectory)
{
return null;
}
// Don't allow nested artists
if (args.HasParent<MusicArtist>() || args.HasParent<MusicAlbum>())
{
return null;
}
var collectionType = args.GetCollectionType();
var isMusicMediaFolder = string.Equals(collectionType, CollectionType.Music, StringComparison.OrdinalIgnoreCase);
// If there's a collection type and it's not music, it can't be a series
if (!isMusicMediaFolder)
{
return null;
}
if (args.ContainsFileSystemEntryByName("artist.nfo"))
{
return new MusicArtist();
}
// Avoid mis-identifying top folders
if (args.Parent.IsRoot)
{
return null;
}
var directoryService = args.DirectoryService;
var albumResolver = new MusicAlbumResolver(_logger, _fileSystem, _libraryManager);
// If we contain an album assume we are an artist folder
var directories = args.FileSystemChildren.Where(i => i.IsDirectory);
var result = Parallel.ForEach(directories, (fileSystemInfo, state) =>
{
if (albumResolver.IsMusicAlbum(fileSystemInfo.FullName, directoryService))
{
// stop once we see a music album
state.Stop();
}
});
return !result.IsCompleted ? new MusicArtist() : null;
}
}
}