/// <summary>
/// We use email as the account name
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public Task <User> FindByNameAsync(string userName)
{
if (string.IsNullOrWhiteSpace(userName))
{
throw new ArgumentNullException("userName");
}
//has to be changed to FindByName
Account account = _proxy.FindByUsername(userName);
User user = ModelAccountToIdentityUser(account);
return(Task.FromResult <User>(user));
}
