public async Task <IActionResult> Login([FromBody] UserModel userModel)
        {
            try
            {
                var response = await _userBLL.AuthenticateUser(userModel);

                if (response != null)
                {
                    return(Ok(new { token = response.JwtToken }));
                }
                else
                {
                    return(Unauthorized());
                }
            }
            catch (Exception ex)
            {
                Log.Fatal(ex, ex.Message);
                throw;
            }
        }