TimeSpanInterval.cs

public class TimeSpanInterval
{
    private readonly Func<TimeSpan, double> fromTimeSpan;
    private readonly Func<double, TimeSpan> toTimeSpan;

    private TimeSpanInterval(string name, Func<double, TimeSpan> toTimeSpan, Func<TimeSpan, double> fromTimeSpan)
    {
        this.Name = name;
        this.toTimeSpan = toTimeSpan;
        this.fromTimeSpan = fromTimeSpan;
    }

    public string Name { get; private set; }

    public TimeSpan ToTimeSpan(double value)
    {
        return toTimeSpan(value);
    }

    public double GetValueFromTimeSpan(TimeSpan value)
    {
        return fromTimeSpan(value);
    }

    public static TimeSpanInterval InferFromTimeSpan(TimeSpan timeSpan)
    {
        if (IsWholeInteger(timeSpan.TotalDays))
            return TimeSpanInterval.Days;
        else if (IsWholeInteger(timeSpan.TotalHours))
            return TimeSpanInterval.Hours;
        else if (IsWholeInteger(timeSpan.TotalMinutes))
            return TimeSpanInterval.Minutes;
        else if (IsWholeInteger(timeSpan.TotalSeconds))
            return TimeSpanInterval.Seconds;
        else if (IsWholeInteger(timeSpan.TotalMilliseconds))
            return TimeSpanInterval.Milliseconds;
        else
            return TimeSpanInterval.Ticks;
    }

    private static bool IsWholeInteger(double value)
    {
        return value % 1 == 0;
    }

    public static readonly TimeSpanInterval Ticks = new TimeSpanInterval("Ticks", db => TimeSpan.FromTicks(Convert.ToInt64(db)), ts => ts.Ticks);
    public static readonly TimeSpanInterval Milliseconds = new TimeSpanInterval("Milliseconds", TimeSpan.FromMilliseconds, ts => ts.TotalMilliseconds);
    public static readonly TimeSpanInterval Seconds = new TimeSpanInterval("Seconds", TimeSpan.FromSeconds, ts => ts.TotalSeconds);
    public static readonly TimeSpanInterval Minutes = new TimeSpanInterval("Minutes", TimeSpan.FromMinutes, ts => ts.TotalMinutes);
    public static readonly TimeSpanInterval Hours = new TimeSpanInterval("Hours", TimeSpan.FromHours, ts => ts.TotalHours);
    public static readonly TimeSpanInterval Days = new TimeSpanInterval("Days", TimeSpan.FromDays, ts => ts.TotalDays);
}