public async Task <ActionResult> ConfigureTariff(TariffViewModels tariff)
        {
            if (ModelState.IsValid)
            {
                List <Tariff> updateTariffList = new List <Tariff>();
                Tariff        dotTariff        = new Tariff()
                {
                    TariffType = TariffType.TOD, Rate = tariff.TOD
                };
                Tariff normalTariff = new Tariff()
                {
                    TariffType = TariffType.Normal, Rate = tariff.Normal
                };

                updateTariffList.Add(dotTariff);
                updateTariffList.Add(normalTariff);

                if (await client.ConfigureTariff(updateTariffList))
                {
                    return(RedirectToAction("Index", "Home"));
                }
            }

            return(View(tariff));
        }