private int NameAvailable(string username) { username = username.ToLower(); if (username.Length > 15) { return(-2); } if (username.Length < 3) { return(-2); } if (!ButterflyEnvironment.IsValidAlphaNumeric(username)) { return(-1); } return(ButterflyEnvironment.usernameExists(username) ? 0 : 1); }