public async Task <IActionResult> MpesaOnlineTransactionStatus(LipaNaMpesaOnlinePushStkResponse response)
{
LipaNaMpesaQueryStkResponse queryResult;
try
{
var LipaNaMpesaOnlineQuery = new LipaNaMpesaQuery
(
businessShortCode: _mpesaApiConfiguration.LNMOshortCode,
passkey: _mpesaApiConfiguration.PassKey,
timeStamp: DateTime.Now,
checkoutRequestId: response.CheckoutRequestID
);
queryResult = await _mpesaClient.QueryLipaNaMpesaTransactionAsync(LipaNaMpesaOnlineQuery, await RetrieveAccessToken(), MpesaRequestEndpoint.QueryLipaNaMpesaOnlineTransaction);
}
catch (MpesaAPIException ex)
{
_logger.LogError(ex, ex.Message);
return(View().WithDanger("Error", ex.Message));
}
var LNMOQueryResponse = queryResult;
LNMOQueryResponse.PhoneNumber = response.PhoneNumber;
return(RedirectToAction(nameof(MpesaPaymentConfirmation), LNMOQueryResponse));
}
/// <summary>
/// Queries Mpesa Online Transaction Status
/// </summary>
/// <param name="lipaNaMpesaQuery">Transaction Query Data transfer object</param>
/// <param name="accesstoken">Acccesstoken retrieved by the <c>GetAuthTokenAsync</c> method.</param>
/// <param name="mpesaRequestEndpoint">Set to <c>MpesaRequestEndpoint.QueryLipaNaMpesaOnlieTransaction</c></param>
/// <param name="cancellationToken">Cancellation Token</param>
/// <returns>
/// A JSON string containing data from MPESA API reposnse
/// </returns>
/// <remarks>
/// Use only for transactions initiated with <c>MakeLipaNaMpesaOnlinePayment</c> method.
/// For Other transaction based methods (C2B,B2C,B2B) use <c>QueryMpesaTransactionStatusAsync</c> method.
/// </remarks>
public LipaNaMpesaQueryStkResponse QueryLipaNaMpesaTransaction(LipaNaMpesaQuery lipaNaMpesaQuery, string accesstoken, string mpesaRequestEndpoint, CancellationToken cancellationToken = default)
{
var validator = new LipaNaMpesaQueryValidator();
var results = validator.Validate(lipaNaMpesaQuery);
return(!results.IsValid
? throw new MpesaAPIException(HttpStatusCode.BadRequest, string.Join(Environment.NewLine, results.Errors.Select(x => x.ErrorMessage.ToString())))
: MpesaPostRequestAsync <LipaNaMpesaQueryStkResponse>(lipaNaMpesaQuery, accesstoken, mpesaRequestEndpoint, cancellationToken).GetAwaiter().GetResult());
}
private async Task ExecuteMpesaStkQueryCommand(LipaNaMpesaOnlinePushStkResponse response)
{
try
{
var LipaNaMpesaOnlineQuery = new LipaNaMpesaQuery
(
businessShortCode: mpesaAPIConfiguration.LNMOshortCode,
timeStamp: DateTime.Now,
passkey: mpesaAPIConfiguration.PassKey,
checkoutRequestId: response.CheckoutRequestID
);
var stkQueryResults = await _mpesaClient.QueryLipaNaMpesaTransactionAsync(LipaNaMpesaOnlineQuery, await RetrieveAccessToken(), MpesaRequestEndpoint.QueryLipaNaMpesaOnlineTransaction);
if (stkQueryResults.ResultCode.Equals("0"))
{
Device.BeginInvokeOnMainThread(() =>
{
_dialogs.Alert(new AlertConfig()
.SetMessage("Thank you for your payment!")
.SetTitle(stkQueryResults.ResponseDescription)
.SetAction(async() => await _navigationService.NavigateAsync("/NavigationPage/MpesaPushStkPage")));
});
}
else
{
Device.BeginInvokeOnMainThread(() =>
{
_dialogs.Alert(new AlertConfig()
.SetMessage("Something went wrong with the transaction. Please try again")
.SetTitle(stkQueryResults.ResponseDescription)
.SetAction(async() => await _navigationService.NavigateAsync("/NavigationPage/MpesaPushStkPage")));
});
}
}
catch (MpesaAPIException ex)
{
Device.BeginInvokeOnMainThread(() =>
{
_dialogs.Alert(new AlertConfig()
.SetMessage(ex.Message.ToString())
.SetTitle(ex.StatusCode.ToString()));
});
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
_dialogs.Alert(new AlertConfig()
.SetMessage(ex.Message.ToString())
.SetTitle("Error"));
});
}
}