public async Task <IActionResult> OnPostCheckEquipmentAsync(string c1, string c2, string c3, string c4) { var code = string.Format("{0}{1}{2}{3}", c1, c2, c3, c4); IdentifyCostumer(); if (!IsAuthorized()) { return(JsonHelper.JsonResponse(Strings.StatusError, Constants.HttpClientErrorCode, "Not Authorized")); } if (string.IsNullOrEmpty(code)) { return(JsonHelper.JsonResponse(Strings.StatusError, Constants.InvalidCode, "Wrong code")); } var holder = await _appRepository.Holders.FirstOrDefaultAsync(x => x.LocalCode == code); if (holder == null) { return(JsonHelper.JsonResponse(Strings.StatusError, Constants.NoSuchHolder, "No such Holder")); } var result = await _holderService.CanProvidePowerBank(holder.Id); if (!result) { return(JsonHelper.JsonResponse(Strings.StatusError, Constants.NoAvailablePowebank, "Couldn't provide powerbank")); } //return Redirect($"/Take/SelectTariff/{holder.Id}"); return(JsonHelper.JsonResponse(Strings.StatusOK, 4, holder.Id.ToString())); }