public ActionResult JoinLobby(int lobbyId, int categoryId) { if (SessionLogin.UserIsInSession()) { LobbyViewModel lobbyViewModel = new LobbyViewModel(); lobbyViewModel.PlayerName = SessionLogin.UserName; lobbyViewModel.quizCategory = categoryClient.GetCategory(categoryId); lobbyViewModel.lobby = lobbyClient.GetLobby(lobbyId); lobbyViewModel.users = userClient.GetUsersInLobby(lobbyId); lobbyViewModel.user = userClient.GetUserByUsername(SessionLogin.UserName); return(View(lobbyViewModel)); } return(RedirectToAction("Index")); }