public ActionResult Index(string username)
{
if (string.IsNullOrEmpty(username))
{
ModelState.AddModelError("username", "Username is required");
return(View());
}
else
{
// if we have an already logged user with the same username, then append a random number to it
if (_userRepository.ConnectedUsers.Where(u => u.Username.Equals(username)).ToList().Count > 0)
{
username = _userRepository.GetRandomizedUsername(username);
}
return(View("PongR", "_Layout", username));
}
}
