114 lines
3.9 KiB
C#
114 lines
3.9 KiB
C#
#nullable disable
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using System;
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using System.Linq;
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using System.Threading.Tasks;
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using Emby.Naming.Common;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Model.Entities;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.Library.Resolvers.Audio
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{
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/// <summary>
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/// The music artist resolver.
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/// </summary>
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public class MusicArtistResolver : ItemResolver<MusicArtist>
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{
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private readonly ILogger<MusicAlbumResolver> _logger;
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private readonly NamingOptions _namingOptions;
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private readonly IDirectoryService _directoryService;
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/// <summary>
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/// Initializes a new instance of the <see cref="MusicArtistResolver"/> class.
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/// </summary>
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/// <param name="logger">Instance of the <see cref="MusicAlbumResolver"/> interface.</param>
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/// <param name="namingOptions">The <see cref="NamingOptions"/>.</param>
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/// <param name="directoryService">The directory service.</param>
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public MusicArtistResolver(
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ILogger<MusicAlbumResolver> logger,
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NamingOptions namingOptions,
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IDirectoryService directoryService)
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{
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_logger = logger;
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_namingOptions = namingOptions;
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_directoryService = directoryService;
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}
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/// <summary>
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/// Gets the priority.
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/// </summary>
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/// <value>The priority.</value>
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public override ResolverPriority Priority => ResolverPriority.Second;
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/// <summary>
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/// Resolves the specified resolver arguments.
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/// </summary>
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/// <param name="args">The resolver arguments.</param>
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/// <returns>A <see cref="MusicArtist"/>.</returns>
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protected override MusicArtist Resolve(ItemResolveArgs args)
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{
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if (!args.IsDirectory)
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{
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return null;
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}
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// Don't allow nested artists
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if (args.HasParent<MusicArtist>() || args.HasParent<MusicAlbum>())
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{
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return null;
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}
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var collectionType = args.GetCollectionType();
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var isMusicMediaFolder = string.Equals(collectionType, CollectionType.Music, StringComparison.OrdinalIgnoreCase);
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// If there's a collection type and it's not music, it can't be a music artist
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if (!isMusicMediaFolder)
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{
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return null;
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}
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if (args.ContainsFileSystemEntryByName("artist.nfo"))
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{
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return new MusicArtist();
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}
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// Avoid mis-identifying top folders
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if (args.Parent.IsRoot)
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{
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return null;
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}
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var albumResolver = new MusicAlbumResolver(_logger, _namingOptions, _directoryService);
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var directories = args.FileSystemChildren.Where(i => i.IsDirectory);
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var result = Parallel.ForEach(directories, (fileSystemInfo, state) =>
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{
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// If we contain a artist subfolder assume we are an artist folder
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foreach (var subfolder in _namingOptions.ArtistSubfolders)
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{
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if (fileSystemInfo.Name.Equals(subfolder, StringComparison.OrdinalIgnoreCase))
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{
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// Stop once we see an artist subfolder
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state.Stop();
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}
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}
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// If we contain a music album assume we are an artist folder
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if (albumResolver.IsMusicAlbum(fileSystemInfo.FullName, _directoryService))
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{
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// Stop once we see a music album
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state.Stop();
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}
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});
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return !result.IsCompleted ? new MusicArtist() : null;
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}
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}
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}
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