private static CountFilesResponse CreateCountFilesResponse(CountFilesResult countFilesResult, bool cancelled)
{
return(new CountFilesResponse
{
FilesGreaterHundred = countFilesResult.FilesGreaterHundred,
FilesLessFiftyAndGreaterTen = countFilesResult.FilesLessFiftyAndGreaterTen,
FilesLessTen = countFilesResult.FilesLessTen,
Timeouted = cancelled
});
}
public CountFilesResult CountFilesInDirectory(string path, CancellationToken cancellationToken)
{
if (!Directory.Exists(path))
{
return(null);
}
var countFilesResult = new CountFilesResult();
new DirectoryInfo(path)
.ForceEnumerateFiles()
.AsParallel()
.TakeWhile(_ => !cancellationToken.IsCancellationRequested) // WithCancellation throws exception, so this variant is cheaper for runtime
.ForAll(file =>
{
var fileSizeMb = file.Length / 1024.0 / 1024;
if (fileSizeMb <= 10)
{
countFilesResult.FilesLessTen++;
return;
}
if (fileSizeMb >= 100)
{
countFilesResult.FilesGreaterHundred++;
return;
}
if (fileSizeMb > 10 && fileSizeMb <= 50)
{
countFilesResult.FilesLessFiftyAndGreaterTen++;
}
});
return(countFilesResult);
}
