private (Timestamp left, Timestamp right) GetTimeWindow(TimeRange range, List <VTTQs> data)
{
switch (range.Type)
{
case TimeType.Last:
Timestamp?latest = data.Any(x => x.Count > 0) ? data.Where(x => x.Count > 0).Max(vtqs => vtqs.Last().T) : (Timestamp?)null;
var now = Timestamp.Now.TruncateMilliseconds().AddSeconds(1);
var right = latest.HasValue ? Timestamp.MaxOf(now, latest.Value) : now;
var left = now - TimeRange.DurationFromTimeRange(range);
return(left, right);
case TimeType.Range:
return(range.GetStart(), range.GetEnd());
default:
throw new Exception("Unknown range type: " + range.Type);
}
}
