ManeuverNodeSplitter.INodeSplitter.DurationToDisplayString C# (CSharp) Méthode

        protected static string DurationToDisplayString(double duration)
        {
            if(duration < 60)
                return string.Format("{0:F1}s", duration);
            else if(duration < 3600)
            {
                int minutes = (int) Math.Floor(duration / 60);
                double remainder = duration - minutes * 60;
                if(remainder > 1)
                    return string.Format("{0}m {1}", minutes, DurationToDisplayString(remainder));
                else
                    return string.Format("{0}m", minutes);
            }
            else if(duration < 21600)
            {
                int hours = (int) Math.Floor(duration / 3600);
                double remainder = duration - hours * 3600;
                if(remainder > 1)
                    return string.Format("{0}h {1}", hours, DurationToDisplayString(remainder));
                else
                    return string.Format("{0}h", hours);
            }
            else
            {
                int days = (int) Math.Floor(duration / 21600);
                double remainder = duration - days * 21600;
                if(remainder > 1)
                    return string.Format("{0}d {1}", days, DurationToDisplayString(remainder));
                else
                    return string.Format("{0}d", days);
            }
        }