/// <summary>
/// Return a short (slugged) version of a CUID, likely to be less sequential
/// </summary>
/// <param name="rs">Type of the random source to use, if not specified <see cref="RandomSource.Simple"/> is used.</param>
/// <returns>A 7 to 10 characters string (depending of the internal counter value)</returns>
public static string Slug(RandomSource rs = RandomSource.Simple)
{
var print = FingerPrint().Slice(0, 1) + FingerPrint().Slice(-1);
var counter = SafeCounter().ToBase36().Slice(-4);
var dt = DateTime.UtcNow.ToUnixMilliTime().ToBase36();
var rnd = RandomFragmentProviderFactory.Get(rs).GetFragment(-2);
return((dt.Slice(-2) + counter + print + rnd).ToLowerInvariant());
}
/// <summary>
/// Returns a short sequential random string with some collision-busting measures (a CUID)
/// </summary>
/// <param name="rs">Type of the random source to use, if not specified <see cref="RandomSource.Simple"/> is used.</param>
/// <returns>A 25 characters string</returns>
public static string Generate(RandomSource rs = RandomSource.Simple)
{
var ts = DateTime.UtcNow.ToUnixMilliTime().ToBase36();
var fingerprint = FingerPrint();
var rnd = RandomFragmentProviderFactory.Get(rs).GetBlock(2);
var counter = SafeCounter().ToBase36().Pad(BlockSize);
return(("c" + ts + counter + fingerprint + rnd).ToLowerInvariant());
}
