private static string GetCurrentFile()
{
if (pathHelper.AccessPermissions == RequestPermissionsState.Unknown)
{
pathHelper.RequestPermissions();
}
if (pathHelper.AccessPermissions != RequestPermissionsState.Guaranteed)
{
return(null); // Should wait
}
var personal = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
if (!Directory.Exists(pathHelper.DownloadsPath))
{
return(null);
}
var path = Path.Combine(pathHelper.DownloadsPath, LogFolder);
if (!Directory.Exists(path))
{
path = pathHelper.ExternalSDCardPath;
}
if (!Directory.Exists(path))
{
return(null);
}
var files = Directory.EnumerateFiles(path, "*.csv", SearchOption.TopDirectoryOnly);
files = files.OrderByDescending(x => File.GetLastWriteTimeUtc(x));
return(files.FirstOrDefault());
}
