public ActionResult Registration(string login, string password, string repassword) { if (userInteraction.FindUserByLogin(login) == null && password == repassword) { userInteraction.AddNewUser(login, password); accessTokensInteraction.AddNewAccessTokens(login); Session["userid"] = login; return(RedirectToActionPermanent("Main", "User")); } else { return(RedirectToActionPermanent("Signup")); } }