BgEngine.Controllers.AccountController.ConfirmManually C# (CSharp) Method

        public ActionResult ConfirmManually(ConfirmationModel model)
        {
            if (ModelState.IsValid)
            {
                User user = AccountServices.FindUser(usr => usr.Username == model.UserName);
                if (user == null)
                {
                    ModelState.AddModelError("UserName", Resources.AppMessages.Error_User_Not_Exist);
                    return View(model);
                }
                else
                {
                    if (user.IsConfirmed)
                    {
                        ModelState.AddModelError("UserName", Resources.AppMessages.Error_User_Confirmed_Yet);
                        return View(model);
                    }
                }
                if (CodeFirstSecurity.ConfirmAccount(model.Token) == false)
                {
                    ModelState.AddModelError("Token", Resources.AppMessages.Error_ConfirmationToken);
                }
                else
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, false);
                    return RedirectToRoute("Default", new { controller = "Account", action = "RegistrationSuccesfull" });
                }
            }
            return View();
        }