public async Task <IActionResult> Authenticate([FromBody] AuthenticateModel model)
        {
            var hashedPassword = _passwordService.ComputePasswordHash(model.Password);

            var user = _userService.Authentificate(model.Username, hashedPassword);

            if (user == null)
            {
                return(BadRequest(new { message = "Username or password is incorrect" }));
            }

            return(Ok(user));
        }