public IActionResult Download(int id)
{
var byteArray = Encoding.UTF8.GetBytes(saveData.GetDirectoryData(id));
Stream stream = new MemoryStream(byteArray);
var dirName = saveData.GetDirectoryName(id);
if (stream == null)
{
return(NotFound());
}
return(File(stream, "application/text", dirName + ".txt")); // returns a FileStreamResult
}