public async Task <ActionResult> ObterUsuario(string UserName)
        {
            try
            {
                var user = await _service.ObterUsuario(UserName);

                if (user.Role == "Adm")
                {
                    var results = _mapper.Map <AdmDto>(user);
                    return(Ok(results));
                }
                else
                {
                    var results = _mapper.Map <UserDto>(user);
                    return(Ok(results));
                }
            }
            catch (BusinessException e)
            {
                if (e.Message.Equals("user not found"))
                {
                    return(Ok("user not found"));
                }

                return(BadRequest());
            }
            catch (DbConcurrencyException e)
            {
                return(this.StatusCode(StatusCodes.Status500InternalServerError, "Banco de dados Falhou"));
            }
        }