/// <summary>
/// Gets the string representation of the ksuid.
/// </summary>
public override string ToString()
{
if (str != null)
{
return(str);
}
var sb = new StringBuilder();
sb.Append(Environment == "prod" ? "" : $"{Environment}_");
sb.Append(Resource);
sb.Append("_");
var decoded = new byte[Constants.DecodedLength];
var timestamp = BitConverter.GetBytes(Timestamp);
var instance = InstanceIdentifier.ToByteArray();
var sequenceId = BitConverter.GetBytes(SequenceId);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(timestamp);
Array.Reverse(sequenceId);
}
Array.Copy(timestamp, decoded, 8);
Array.Copy(instance, 0, decoded, 8, 9);
Array.Copy(sequenceId, 0, decoded, 17, 4);
sb.Append(Base62.Encode(decoded).PadLeft(Constants.EncodedLength, '0'));
return(str = sb.ToString());
}
/// <summary>
/// Parses a string id represention of a KSUID.
/// </summary>
/// <param name="id">The string representation of the ksuid.</param>
public static Id Parse(string input)
{
var parts = splitPrefix(input);
var decoded = Base62.Decode(parts.payload);
var timestamp = new byte[8];
var instance = new byte[9];
var sequence = new byte[4];
Array.Copy(decoded, timestamp, 8);
Array.Copy(decoded, 8, instance, 0, 9);
Array.Copy(decoded, 17, sequence, 0, 4);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(timestamp);
Array.Reverse(sequence);
}
return(new Id(
parts.environment,
parts.resource,
BitConverter.ToUInt64(timestamp, 0),
new InstanceIdentifier(instance),
BitConverter.ToUInt32(sequence, 0)
));
}
