public async Task <IHttpActionResult> EnviarQR(LlaveQR llave)
        {
            try
            {
                var mng = new LlaveQRManager();

                LlaveQR c = null;
                c = mng.RetrieveById(llave);

                if (c != null)
                {
                    await EnviarCorreoManager.GetInstance().ExecuteCorreoCodigoQR(llave.IdUsuario, llave);

                    apiResp         = new ApiResponse();
                    apiResp.Message = "Llave enviada, Por favor verifique el correo electrónico";
                }
                else
                {
                    throw new BussinessException(52);
                }
            }
            catch (BussinessException bex)
            {
                return(InternalServerError(new Exception(bex.AppMessage.Message)));
            }

            return(Ok(apiResp));
        }
        public IHttpActionResult Get(string id)
        {
            try
            {
                var mng = new LlaveQRManager();

                var QR = new LlaveQR
                {
                    CodigoQR = id
                };

                QR           = mng.RetrieveById(QR);
                apiResp      = new ApiResponse();
                apiResp.Data = QR;
                return(Ok(apiResp));
            }
            catch (BussinessException bex)
            {
                return(InternalServerError(new Exception(bex.AppMessage.Message)));
            }
        }