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feat: Support multiple downloaders.

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支持多个下载器。
This commit is contained in:
real-zony 2021-05-11 00:41:53 +08:00
parent 172453b83f
commit 6300acf4bf
1 changed files with 50 additions and 19 deletions
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69
src/ZonyLrcTools.Cli/Commands/DownloadCommand.cs
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@ -111,46 +111,77 @@ namespace ZonyLrcTools.Cli.Commands
return result.ToImmutableList();
}
private IEnumerable<ILyricDownloader> GetLyricDownloaderList()
{
var downloader = _options.LyricDownloaderOptions
.Where(op => op.Priority != -1)
.OrderBy(op => op.Priority)
.Join(_lyricDownloaderList,
op => op.Name,
loader => loader.DownloaderName,
(op, loader) => loader);
return downloader;
}
#region > 歌词下载逻辑 <
private async ValueTask DownloadLyricFilesAsync(ImmutableList<MusicInfo> musicInfos)
{
_logger.LogInformation("开始下载歌词文件数据...");
var downloader = _lyricDownloaderList.FirstOrDefault(d => d.DownloaderName == InternalLyricDownloaderNames.NetEase);
var downloaderList = GetLyricDownloaderList();
var warpTask = new WarpTask(ParallelNumber);
var warpTaskList = musicInfos.Select(info =>
warpTask.RunAsync(() => Task.Run(async () => await DownloadLyricTaskLogicAsync(downloader, info))));
warpTask.RunAsync(() => Task.Run(async () => await DownloadLyricTaskLogicAsync(downloaderList, info))));
await Task.WhenAll(warpTaskList);
_logger.LogInformation($"歌词数据下载完成，成功: {musicInfos.Count} 失败{0}。");
}
private async Task DownloadLyricTaskLogicAsync(ILyricDownloader downloader, MusicInfo info)
private async Task DownloadLyricTaskLogicAsync(IEnumerable<ILyricDownloader> downloaderList, MusicInfo info)
{
try
async Task<bool> InternalDownloadLogicAsync(ILyricDownloader downloader)
{
var lyric = await downloader.DownloadAsync(info.Name, info.Artist);
var filePath = Path.Combine(Path.GetDirectoryName(info.FilePath)!, $"{Path.GetFileNameWithoutExtension(info.FilePath)}.lrc");
if (File.Exists(filePath))
try
{
return;
var lyric = await downloader.DownloadAsync(info.Name, info.Artist);
var filePath = Path.Combine(Path.GetDirectoryName(info.FilePath)!, $"{Path.GetFileNameWithoutExtension(info.FilePath)}.lrc");
if (File.Exists(filePath))
{
return true;
}
if (lyric.IsPruneMusic)
{
return true;
}
await using var stream = new FileStream(filePath, FileMode.Create);
await using var sw = new StreamWriter(stream);
await sw.WriteAsync(lyric.ToString());
await sw.FlushAsync();
}
catch (ErrorCodeException ex)
{
if (ex.ErrorCode == ErrorCodes.NoMatchingSong)
{
return false;
}
_logger.LogWarningInfo(ex);
}
if (lyric.IsPruneMusic)
{
return;
}
await using var stream = new FileStream(filePath, FileMode.Create);
await using var sw = new StreamWriter(stream);
await sw.WriteAsync(lyric.ToString());
await sw.FlushAsync();
return true;
}
catch (ErrorCodeException ex)
foreach (var downloader in downloaderList)
{
_logger.LogWarningInfo(ex);
if (await InternalDownloadLogicAsync(downloader))
{
break;
}
}
}