/// <summary>
/// Obtiene la fecha a partir de un Guid basado en la misma
/// </summary>
/// <param name="guid">Cadena que representa el guid</param>
/// <param name="auxInformation">Devolverá la información auxiliar contenida</param>
/// <param name="crcKey">Key usada para calcular el CRC</param>
/// <returns>Fecha obtenida</returns>
public static DateTime GuidToDate(string guid, out long dataOut, string crcKey)
{
DateTime date = DateTime.MinValue;
string error = String.Empty;
long data = 0;
if (!GuidDate.Validate(guid, crcKey))
{
error = "El guid no tiene un formato correcto o no coincide el checksum";
}
string guidAux = new Regex(@"[^0-9a-fA-F]").Replace(guid, "");
try
{
int h, m, s, d, M, y, ms;
s = Convert.ToInt32(guidAux.Substring(2, 2));
m = Convert.ToInt32(guidAux.Substring(4, 2));
h = Convert.ToInt32(guidAux.Substring(6, 2));
M = Convert.ToInt32(guidAux.Substring(8, 2));
d = Convert.ToInt32(guidAux.Substring(10, 2));
y = Convert.ToInt32(guidAux.Substring(13, 3), 16);
ms = Convert.ToInt32(guidAux.Substring(16, 4), 16);
dataOut = data = Convert.ToInt64(guidAux.Substring(20, 12), 16);
date = new DateTime(y, M, d, h, m, s, ms);
}
catch (Exception ex)
{
throw new InvalidDateGuidException(ex.Message, ex, date, data);
}
if (!String.IsNullOrEmpty(error))
{
throw new InvalidDateGuidException(error, date, data);
}
return(date);
}
/// <summary>
/// Valida que el checksun del GUID sea correcto
/// </summary>
/// <returns></returns>
public bool Validate()
{
return(GuidDate.Validate(this.Guid, this.CRCKey));
}
