public ActionResult Index(LoginModel loginModel)
        {
            if (ModelState.IsValid)
            {
                var user = _userService.IsVaildUser(loginModel.eMail, loginModel.Password);

                if (user != null)
                {
                    AuthenticationHelper.CreateAutCookie(
                        user.Id, user.FirstName + " " + user.LastName,
                        user.eMail,
                        DateTime.Now.AddDays(15),
                        _userService.GetUserRoleItems(user).Select(u => u.RoleName).ToArray(),
                        false,
                        user.FirstName,
                        user.LastName);
                    return(RedirectToAction("Index", "Home"));
                }
            }

            return(View(loginModel));
        }