protected override async Task <int> OnExecuteAsync(CommandLineApplication app)
{
if (Directory.Exists(FilePath))
{
_logger.LogInformation("开始扫描文件夹，请稍等...");
var files = (await _fileScanner.ScanAsync(FilePath, new[] { "*.ncm" }))
.SelectMany(f => f.FilePaths)
.ToList();
_logger.LogInformation($"扫描完成，共 {files.Count} 个文件，准备转换。");
var wrapTask = new WarpTask(4);
var tasks = files.Select(path => wrapTask.RunAsync(() => Convert(path)));
await Task.WhenAll(tasks);
}
else if (File.Exists(FilePath))
{
await Convert(FilePath);
}
_logger.LogInformation("所有文件已经转换完成...");
return(0);
}
private async Task <List <string> > ScanMusicFilesAsync()
{
var files = (await _fileScanner.ScanAsync(Directory, _options.SupportFileExtensions))
.SelectMany(t => t.FilePaths)
.ToList();
if (files.Count == 0)
{
_logger.LogError("没有找到任何音乐文件。");
throw new ErrorCodeException(ErrorCodes.NoFilesWereScanned);
}
_logger.LogInformation($"已经扫描到了 {files.Count} 个音乐文件。");
return(files);
}