public ActionResult SignUp([FromBody] SignUpViewModel model)
        {
            if (ModelState.IsValid)
            {
                if (!_userBll.CheckUserUniqueness(model.Email))
                {
                    return(BadRequest(new ObjectResult(new { message = "Пользователь с таким адресом уже существует" })));
                }

                if (!_userBll.IsSnilsUnique(model.Snils))
                {
                    return(BadRequest(new ObjectResult(new { message = "Пользователь с таким СНИЛС уже существует" })));
                }

                Users user = new Users()
                {
                    FirstName        = model.FirstName,
                    LastName         = model.LastName,
                    Patronym         = model.Patronym,
                    Email            = model.Email,
                    Sex              = model.Sex,
                    District         = model.District,
                    Password         = _userBll.HashPassword(model.Password),
                    IsBlocked        = false,
                    IsConfirmedEmail = false,
                    Snils            = model.Snils,
                    Role             = 1,
                    DateOfBirth      = model.DateOfBirth,
                    UserAvatar       = model.UserAvatar,
                };

                _userBll.AddUser(user);
                _userBll.SendConfirmationEmail(model.Email);


                return(Ok());
            }

            return(BadRequest());
        }