[M(O.AggressiveInlining)] private static string GetDownloadTimeText(DownloadRow row)
{
if (row.Status == DownloadStatus.Created)
{
return(row.CreatedOrStartedDateTime.ToString(CREATED_DT));
}
return(row.GetElapsed().ToString(HH_MM_SS));
}
[M(O.AggressiveInlining)] public static string GetDownloadInfoText(DownloadRow row)
{
var st = row.Status;
switch (st)
{
case DownloadStatus.Created: return($"[created]: {row.CreatedOrStartedDateTime.ToString( CREATED_DT )}");
case DownloadStatus.Started: return($"{row.GetElapsed().ToString( HH_MM_SS )}");
case DownloadStatus.Wait: return($"(wait), ({row.GetElapsed().ToString( HH_MM_SS )})");
}
var ts = row.GetElapsed();
var elapsed = ((1 < ts.TotalHours) ? ts.ToString(HH_MM_SS) : (':' + ts.ToString(MM_SS)));
var percent = ((0 < row.TotalParts) ? Convert.ToByte((100.0 * row.SuccessDownloadParts) / row.TotalParts).ToString() : "-");
//var failedParts = ((row.FailedDownloadParts != 0) ? $" (failed: {row.FailedDownloadParts})" : null);
var downloadInfo = $"{percent}%, ({elapsed})";
#region [.speed.]
if (!st.IsPaused())
{
var elapsedSeconds = ts.TotalSeconds;
var downloadBytes = row.GetDownloadBytesLengthAfterLastRun();
if ((1_000 < downloadBytes) && (2.5 <= elapsedSeconds))
{
string speedText;
if (downloadBytes < 100_000)
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000).ToString("N2") + " Kbit/s";
}
else
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000_000).ToString("N1") + " Mbit/s";
}
downloadInfo += $", [{speedText}]";
}
}
#endregion
return(downloadInfo);
}
[M(O.AggressiveInlining)] private static string GetApproxRemainedTimeText(DownloadRow row)
{
if (row.Status == DownloadStatus.Running)
{
var totalBytes = row.GetApproxTotalBytes();
if (totalBytes.HasValue)
{
var elapsedSeconds = row.GetElapsed().TotalSeconds;
var downloadBytes = row.GetDownloadBytesLengthAfterLastRun();
if ((1_000 < downloadBytes) && (2.5 <= elapsedSeconds))
{
var remainedBytes = totalBytes.Value - (row.DownloadBytesLength - downloadBytes);
var remainedTime = TimeSpan.FromSeconds((remainedBytes - downloadBytes) * (elapsedSeconds / downloadBytes));
return(remainedTime.ToString(HH_MM_SS));
}
}
}
return(string.Empty);
}
[M(O.AggressiveInlining)] private static string GetDownloadSpeedText(DownloadRow row)
{
if (!row.Status.IsPaused())
{
var elapsedSeconds = row.GetElapsed().TotalSeconds;
var downloadBytes = row.GetDownloadBytesLengthAfterLastRun();
if ((1_000 < downloadBytes) && (2.5 <= elapsedSeconds))
{
var speedText = default(string);
if (downloadBytes < 100_000)
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000).ToString("N2") + " Kbit/s";
}
else
{
speedText = ((downloadBytes / elapsedSeconds) / 1_000_000).ToString("N1") + " Mbit/s";
}
return(speedText);
}
}
return(string.Empty);
}