public IActionResult GenerateTopup(GenerateTopupCommand command)
{
if (int.Parse(command.Account.Substring(0, 2)) != (int)EW_Enumerations.EW_UserTypeEnum.Admin)
{
return(BadRequest());
}
bool isExist = _userService.ExistAccountNo(command.Account);
if (!isExist)
{
return(BadRequest());
}
TopupResultDTO result = _transactionService.GenerateTopUp(command.Account, command.Amount);
if (result == null)
{
return(BadRequest());
}
GenerateTopupViewModel viewModel = new GenerateTopupViewModel()
{
ReferenceNumber = result.ReferenceNumber,
ExpireDate = result.ExpireDate
};
return(Ok(viewModel));
}
public QRcodePage(GenerateTopupViewModel topupData)
{
InitializeComponent();
(BindingContext as GenerateQRcodeViewModel).DisplayData = topupData;
var topupJson = JsonConvert.SerializeObject(topupData);
(BindingContext as GenerateQRcodeViewModel).QrcodeData = topupJson;
}
public static string CheckSumTopupCreate(GenerateTopupViewModel viewModel)
{
string sumString = "";
sumString = viewModel.AccountNumber + viewModel.Amount + viewModel.ExpireDate + viewModel.FirstName + viewModel.ReferenceNumber;
string hashedSum = SHA256Hash(sumString);
return(hashedSum);
}
public static bool CheckSumTopup(GenerateTopupViewModel viewModel)
{
string sumString = "";
sumString = viewModel.AccountNumber + viewModel.Amount + viewModel.ExpireDate + viewModel.FirstName + viewModel.ReferenceNumber;
string hashedSum = SHA256Hash(sumString);
if (hashedSum == viewModel.CheckSum)
{
return(true);
}
return(false);
}
private async void GenerateQrcode()
{
IsProgress = true;
if (Amount < 1)
{
ErrorViewModel errorView = new ErrorViewModel("จำนวนเงินไม่สามารถติดลบ หรือ เท่ากับ 0 ได้", (int)EWalletV2.Api.ViewModels.EW_Enumerations.EW_ErrorTypeEnum.Warning);
await PopupNavigation.Instance.PushAsync(new Error(errorView));
IsProgress = false;
}
else
{
var accountNumber = App.Account;
var callData = await _transactionService.GenerateTopup(accountNumber, Amount);
var refNumber = callData.Model.ReferenceNumber;
var expireTime = callData.Model.ExpireDate.AddHours(7);
GenerateTopupViewModel resultData = new GenerateTopupViewModel()
{
Amount = Amount,
AccountNumber = App.Account,
FirstName = App.AdminName,
ReferenceNumber = refNumber,
ExpireDate = expireTime,
CheckSum = "",
LastName = ""
};
resultData.CheckSum = Helper.CheckSumTopupCreate(resultData);
if (callData.IsError == true)
{
IsProgress = false;
ErrorViewModel errorView = new ErrorViewModel();
await PopupNavigation.Instance.PushAsync(new Error(errorView));
}
else
{
await Application.Current.MainPage.Navigation.PushAsync(new QRcodePage(resultData));
IsProgress = false;
}
}
}
private async void ScanToTopup()
{
//เปิดกล้อง อ่าน qrcode
try
{
var cameraStatus = await CrossPermissions.Current.CheckPermissionStatusAsync <CameraPermission>();
if (cameraStatus != PermissionStatus.Granted)
{
cameraStatus = await CrossPermissions.Current.RequestPermissionAsync <CameraPermission>();
}
if (cameraStatus == PermissionStatus.Granted)
{
var scanner = DependencyService.Get <IQrScanningService>();
var result = await scanner.ScanAsync();
if (result != null)
{
GenerateTopupViewModel QrCodeInfomation = JsonConvert.DeserializeObject <GenerateTopupViewModel>(result);
if (CheckSum(QrCodeInfomation))
{
decimal Amount = QrCodeInfomation.Amount;
string AdminName = QrCodeInfomation.FirstName + " " + QrCodeInfomation.LastName;
string AccountNumber = QrCodeInfomation.AccountNumber;
string qrcodeReference = QrCodeInfomation.ReferenceNumber;
await PopupNavigation.PushAsync(new Views.ScanToTopupTwo(Amount, AdminName, AccountNumber, qrcodeReference));
}
//Wrong QRCode or QRCode expired
}
}
else
{
await Application.Current.MainPage.DisplayAlert("Sorry", "Can not use QR Scanner with out Camera Permission", "Ok");
}
}
catch (Exception ex)
{
ErrorViewModel errorViewModel = new ErrorViewModel("QR Code ไม่ถูกต้อง", (int)EW_Enumerations.EW_ErrorTypeEnum.Warning);
PopupNavigation.Instance.PushAsync(new Error(errorViewModel));
}
}