public IActionResult Login(LoginViewModel model)
        {
            if (ModelState.IsValid)
            {
                LoginViewModel UserLogin       = _context.LoginUser(model);
                bool           successfulLogin = UserLogin.SuccessfulLogin;
                if (successfulLogin)
                {
                    TempData["LoginID"]    = model.UserID;
                    TempData["LoginEmail"] = model.UserEmail;
                    _context.LogAction("Login", "Login successful.", model);
                    return(RedirectToAction("Send2FA"));
                }
                else
                {
                    TempData["Status"] = "Invalid username or password entered. Please try again.";
                    _context.LogAction("Login", "Login failed. Invalid password entered for user.", model);
                    return(View());
                }
            }

            return(View());
        }