mirror of
https://github.com/real-zony/ZonyLrcToolsX.git
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278 lines
10 KiB
C#
278 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using McMaster.Extensions.CommandLineUtils;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using ZonyLrcTools.Cli.Config;
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using ZonyLrcTools.Cli.Infrastructure;
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using ZonyLrcTools.Cli.Infrastructure.Album;
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using ZonyLrcTools.Cli.Infrastructure.Exceptions;
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using ZonyLrcTools.Cli.Infrastructure.Extensions;
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using ZonyLrcTools.Cli.Infrastructure.IO;
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using ZonyLrcTools.Cli.Infrastructure.Lyric;
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using ZonyLrcTools.Cli.Infrastructure.Tag;
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using ZonyLrcTools.Cli.Infrastructure.Threading;
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namespace ZonyLrcTools.Cli.Commands.SubCommand
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{
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[Command("download", Description = "下载歌词文件或专辑图像。")]
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public class DownloadCommand : ToolCommandBase
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{
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private readonly ILogger<DownloadCommand> _logger;
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private readonly IFileScanner _fileScanner;
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private readonly ITagLoader _tagLoader;
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private readonly IEnumerable<ILyricDownloader> _lyricDownloaderList;
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private readonly IEnumerable<IAlbumDownloader> _albumDownloaderList;
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private readonly ToolOptions _options;
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public DownloadCommand(ILogger<DownloadCommand> logger,
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IFileScanner fileScanner,
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IOptions<ToolOptions> options,
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ITagLoader tagLoader,
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IEnumerable<ILyricDownloader> lyricDownloaderList,
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IEnumerable<IAlbumDownloader> albumDownloaderList)
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{
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_logger = logger;
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_fileScanner = fileScanner;
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_tagLoader = tagLoader;
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_lyricDownloaderList = lyricDownloaderList;
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_albumDownloaderList = albumDownloaderList;
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_options = options.Value;
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}
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#region > Options <
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[Option("-d|--dir", CommandOptionType.SingleValue, Description = "指定需要扫描的目录。")]
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[DirectoryExists]
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public string SongsDirectory { get; set; }
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[Option("-l|--lyric", CommandOptionType.NoValue, Description = "指定程序需要下载歌词文件。")]
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public bool DownloadLyric { get; set; }
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[Option("-a|--album", CommandOptionType.NoValue, Description = "指定程序需要下载专辑图像。")]
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public bool DownloadAlbum { get; set; }
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[Option("-n|--number", CommandOptionType.SingleValue, Description = "指定下载时候的线程数量。(默认值 2)")]
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public int ParallelNumber { get; set; } = 2;
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[Option] public string ErrorMessage { get; set; } = Path.Combine(Directory.GetCurrentDirectory(), "error.log");
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#endregion
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protected override async Task<int> OnExecuteAsync(CommandLineApplication app)
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{
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var files = await ScanMusicFilesAsync();
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var musicInfos = await LoadMusicInfoAsync(files);
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if (DownloadLyric)
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{
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await DownloadLyricFilesAsync(musicInfos);
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}
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if (DownloadAlbum)
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{
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await DownloadAlbumAsync(musicInfos);
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}
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return 0;
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}
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private async Task<List<string>> ScanMusicFilesAsync()
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{
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var files = (await _fileScanner.ScanAsync(SongsDirectory, _options.SupportFileExtensions))
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.SelectMany(t => t.FilePaths)
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.ToList();
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if (files.Count == 0)
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{
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_logger.LogError("没有找到任何音乐文件。");
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throw new ErrorCodeException(ErrorCodes.NoFilesWereScanned);
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}
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files = RemoveExistLyricFiles(files);
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_logger.LogInformation($"已经扫描到了 {files.Count} 个音乐文件。");
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return files;
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}
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private List<string> RemoveExistLyricFiles(List<string> filePaths)
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{
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if (!_options.Provider.Lyric.Config.IsSkipExistLyricFiles)
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{
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return filePaths;
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}
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return filePaths
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.Where(path =>
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{
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if (!File.Exists(Path.ChangeExtension(path, ".lrc")))
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{
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return true;
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}
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_logger.LogWarning($"已经存在歌词文件 {path},跳过。");
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return false;
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})
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.ToList();
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}
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private async Task<ImmutableList<MusicInfo>> LoadMusicInfoAsync(IReadOnlyCollection<string> files)
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{
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_logger.LogInformation("开始加载音乐文件的标签信息...");
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var warpTask = new WarpTask(ParallelNumber);
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var warpTaskList = files.Select(file => warpTask.RunAsync(() => Task.Run(async () => await _tagLoader.LoadTagAsync(file))));
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var result = (await Task.WhenAll(warpTaskList))
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.Where(m => m != null)
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.Where(m => !string.IsNullOrEmpty(m.Name) || !string.IsNullOrEmpty(m.Artist));
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_logger.LogInformation($"已成功加载 {files.Count} 个音乐文件的标签信息。");
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return result.ToImmutableList();
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}
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private IEnumerable<ILyricDownloader> GetLyricDownloaderList()
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{
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var downloader = _options.Provider.Lyric.Plugin
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.Where(op => op.Priority != -1)
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.OrderBy(op => op.Priority)
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.Join(_lyricDownloaderList,
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op => op.Name,
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loader => loader.DownloaderName,
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(op, loader) => loader);
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return downloader;
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}
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#region > Lyric download logic <
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private async ValueTask DownloadLyricFilesAsync(ImmutableList<MusicInfo> musicInfos)
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{
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_logger.LogInformation("开始下载歌词文件数据...");
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var downloaderList = GetLyricDownloaderList();
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var warpTask = new WarpTask(ParallelNumber);
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var warpTaskList = musicInfos.Select(info =>
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warpTask.RunAsync(() => Task.Run(async () => await DownloadLyricTaskLogicAsync(downloaderList, info))));
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await Task.WhenAll(warpTaskList);
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_logger.LogInformation($"歌词数据下载完成,成功: {musicInfos.Count} 失败{musicInfos.Count - musicInfos.Count(m => m.IsSuccessful)}。");
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}
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private async Task DownloadLyricTaskLogicAsync(IEnumerable<ILyricDownloader> downloaderList, MusicInfo info)
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{
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async Task InternalDownloadLogicAsync(ILyricDownloader downloader)
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{
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try
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{
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var lyric = await downloader.DownloadAsync(info.Name, info.Artist);
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var lyricFilePath = Path.Combine(Path.GetDirectoryName(info.FilePath)!,
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$"{Path.GetFileNameWithoutExtension(info.FilePath)}.lrc");
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if (File.Exists(lyricFilePath))
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{
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File.Delete(lyricFilePath);
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}
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info.IsSuccessful = true;
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if (lyric.IsPruneMusic)
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{
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return;
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}
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await using var stream = new FileStream(lyricFilePath, FileMode.Create);
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await using var sw = new BinaryWriter(stream);
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sw.Write(EncodingConvert(lyric));
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await stream.FlushAsync();
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}
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catch (ErrorCodeException ex)
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{
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if (ex.ErrorCode == ErrorCodes.NoMatchingSong)
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{
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info.IsSuccessful = false;
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}
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_logger.LogWarningInfo(ex);
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}
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catch (Exception ex)
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{
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_logger.LogError($"下载歌词文件时发生错误:{ex.Message},歌曲名: {info.Name},歌手: {info.Artist}。");
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info.IsSuccessful = false;
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}
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}
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foreach (var downloader in downloaderList)
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{
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await InternalDownloadLogicAsync(downloader);
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if (info.IsSuccessful)
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{
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_logger.LogSuccessful(info);
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return;
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}
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}
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}
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private byte[] EncodingConvert(LyricItemCollection lyric)
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{
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var supportEncodings = Encoding.GetEncodings();
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if (supportEncodings.All(x => x.Name != _options.Provider.Lyric.Config.FileEncoding))
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{
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throw new ErrorCodeException(ErrorCodes.NotSupportedFileEncoding);
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}
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return Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding(_options.Provider.Lyric.Config.FileEncoding), lyric.GetUtf8Bytes());
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}
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#endregion
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#region > Ablum image download logic <
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private async ValueTask DownloadAlbumAsync(ImmutableList<MusicInfo> musicInfos)
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{
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_logger.LogInformation("开始下载专辑图像数据...");
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var downloader = _albumDownloaderList.FirstOrDefault(d => d.DownloaderName == InternalAlbumDownloaderNames.NetEase);
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var warpTask = new WarpTask(ParallelNumber);
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var warpTaskList = musicInfos.Select(info =>
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warpTask.RunAsync(() => Task.Run(async () => await DownloadAlbumTaskLogicAsync(downloader, info))));
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await Task.WhenAll(warpTaskList);
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_logger.LogInformation($"专辑数据下载完成,成功: {musicInfos.Count(m => m.IsSuccessful)} 失败{musicInfos.Count(m => !m.IsSuccessful)}。");
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}
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private async Task DownloadAlbumTaskLogicAsync(IAlbumDownloader downloader, MusicInfo info)
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{
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_logger.LogSuccessful(info);
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try
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{
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var album = await downloader.DownloadAsync(info.Name, info.Artist);
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var filePath = Path.Combine(Path.GetDirectoryName(info.FilePath)!, $"{Path.GetFileNameWithoutExtension(info.FilePath)}.png");
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if (File.Exists(filePath) || album.Length <= 0)
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{
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return;
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}
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await new FileStream(filePath, FileMode.Create).WriteBytesToFileAsync(album, 1024);
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}
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catch (ErrorCodeException ex)
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{
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_logger.LogWarningInfo(ex);
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}
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}
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#endregion
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}
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} |