inverters.cs

/// <summary>
/// Encodes for storing in Azure Table store to get correct ordering 
/// </summary>
/// <param name="date">Use UTC</param>
public static string InverseDateTime(this DateTime date)
{
    var newDate = DateTime.MaxValue.Ticks - date.Ticks;
    return newDate.ToString(CultureInfo.InvariantCulture);
}

/// <summary>
/// Parses the string representation inverse dates produced by InverseDateTime
/// </summary>
/// <param name="inversedDate">Use UTC</param>
public static DateTime DecodeInverseDateTime(string inversedDate)
{
    var ticks = long.Parse(inversedDate);
    var inverseTicks = DateTime.MaxValue.Ticks - ticks; 
    return new DateTime(inverseTicks); 
}