public async Task <ActionResult> SignUp(RegistrationVm registrationVm)
        {
            string messageRegistration = string.Empty;

            if (ModelState.IsValid)
            {
                //Login Verification
                var userDto = await Task.Run(() => _serviceFacade.UserService.Get.ByLogin(registrationVm.Login));

                if (userDto != null)
                {
                    ModelState.AddModelError("Warning key", "This login already exists");
                }

                //Create user
                UserDto newUser = Mapper.Map <RegistrationVm, UserDto>(registrationVm);
                _serviceFacade.UserService.CreateAccount(newUser);

                MySocNetMembershipUser membershipUser = new MySocNetMembershipUser(newUser);
                SignIn(membershipUser);

                //redirecting
                return(JavaScript($"window.location = '{Url.Action("Settings", "User", new { id = membershipUser.UserId })}'"));
            }
            else
            {
                messageRegistration = "Не все поля заполнены корректно!";
            }

            ViewBag.RegistrationErrorMessage = messageRegistration;

            return(View(registrationVm));
        }
        /// <summary>
        /// Creates FormsAuthenticationTicket and HttpCookie authCookie. Adds them to HttpResponse
        /// </summary>
        /// <param name="user"></param>
        private void SignIn(MySocNetMembershipUser user)
        {
            MembershipUserSerializeModel serializeModel = new MembershipUserSerializeModel()
            {
                UserId = user.UserId,
                Login  = user.Login,
                Roles  = user.Roles
            };

            string userData = System.Web.Helpers.Json.Encode(serializeModel);

            FormsAuthenticationTicket authenticationTicket = new FormsAuthenticationTicket
                                                                 (1, user.Login, DateTime.Now, DateTime.Now.AddMinutes(30), true, userData);

            string     enTicket   = FormsAuthentication.Encrypt(authenticationTicket);
            HttpCookie authCookie = new HttpCookie(Cookies.AuthentificationCookieName, enTicket);

            Response.Cookies.Add(authCookie);
        }