public async Task <IActionResult> GetAvailableUserName()
{
Credential cred = await _credentialRepository.GetLastId();
Debug.Write("cred is: " + cred.ToString() + ", " + cred.CredentialId.Substring(1));
int num = Int32.Parse(cred.CredentialId.Substring(1));
AvailableUsername username = new AvailableUsername("A" + ++num);
return(Ok(JsonConvert.SerializeObject(username)));
}
