UserContext dbU = new UserContext();

        public ActionResult Login()
        {
            return View();
        }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Login(LoginModel model)
        {
            if (ModelState.IsValid)
            {
                User user = null;
                using (UserContext db = new UserContext())
                {
                    user = db.Users.FirstOrDefault(u => u.Email == model.Name && u.Password == model.Password);
                }

                if (user != null)
                {
                    FormsAuthentication.SetAuthCookie(model.Name, true);

                    return RedirectToAction("Index", "Home");
                }
                else
                {
                    ModelState.AddModelError("", "Такого пользователя не существует");
                }
            }

            return View(model);
        }

        public ActionResult Register()
        {
            ViewBag.Username = User.Identity.Name;

            return View();
        }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                User user = null;
                using (UserContext db = new UserContext())
                {
                    user = db.Users.FirstOrDefault(u => u.Email == model.Name);
                }

                if (user == null)
                {
                    using (UserContext db = new UserContext())
                    {
                        db.Users.Add(new User { Email = model.Name, Password = model.Password, RoleId = 2 });
                        db.SaveChanges();

                        user = db.Users.Where(u => u.Email == model.Name && u.Password == model.Password).FirstOrDefault();
                    }

                    if (user != null)
                    {
                        FormsAuthentication.SetAuthCookie(model.Name, true);

                        return RedirectToAction("Index", "Home");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "Пользователь с таким логином уже существует");
                }
            }

            return View(model);
        }