private void btnOnlinePayment_Click(object sender,
EventArgs e)
{
string result = MomoHelper.SendPayOnline(txtPartnerCode_Web.Text,
txtAccessKey_Web.Text,
txtSecretKey_Web.Text,
txtOrderInfo_Web.Text,
txtReturnUrl_Web.Text,
txtNotifyUrl_Web.Text,
txtAmount_Web.Text,
Guid.NewGuid()
.ToString(),
true);
WebPaymentResult rawResult = JsonConvert.DeserializeObject <WebPaymentResult>(result);
if (rawResult != null)
{
txtResult_Web.Text = rawResult.RawResponse;
txtQrCodeUrl_Web.Text = rawResult.QrCodeImg;
txtPayUrl_Web.Text = rawResult.PayUrl;
if (!string.IsNullOrEmpty(rawResult.PayUrl))
{
Process.Start(rawResult.PayUrl);
}
}
}
/// <summary>
/// Thanh toan momo online tich hop tren website
/// </summary>
/// <param name="partnerCode">Ma doi tac do momo cung cap</param>
/// <param name="accessKey">Access key do momo cung cap</param>
/// <param name="secretKey">Secret key do momo cung cap</param>
/// <param name="orderInfo">Thong tin don hang</param>
/// <param name="returnUrl">Url tra ve khi thanh toan thanh cong</param>
/// <param name="notifyUrl">Url post de nhan thong tin thanh toan thanh cong</param>
/// <param name="amount">So tien can thanh toan</param>
/// <param name="orderId">Order id</param>
/// <param name="test">Test=true la moi truong test, test=false la moi truong production. Mac dinh la false</param>
/// <returns></returns>
public static string SendPayOnline(string partnerCode,
string accessKey,
string secretKey,
string orderInfo,
string returnUrl,
string notifyUrl,
string amount,
string orderId,
bool test = false)
{
var result = new WebPaymentResult
{
RawResponse = string.Empty,
QrCodeUrl = string.Empty,
PayUrl = string.Empty
};
try
{
string requestType = "captureMoMoWallet";
string requestId = Guid.NewGuid()
.ToString();
Dictionary <string, string> obj = new Dictionary <string, string>
{
["partnerCode"] = partnerCode,
["accessKey"] = accessKey,
["requestId"] = requestId,
["amount"] = amount,
["orderId"] = orderId,
["orderInfo"] = orderInfo,
["returnUrl"] = returnUrl,
["notifyUrl"] = notifyUrl,
["extraData"] = ""
};
var responseFromMomo = TransactionOnline(obj,
secretKey,
test,
requestType);
result.RawResponse = responseFromMomo;
if (string.Equals(responseFromMomo,
"The remote server returned an error: (404) Not Found."))
{
result.QrCodeUrl = "Sai thông tin cấu hình endpoint";
}
else
{
var response = JsonConvert.DeserializeObject <WebPaymentResponse>(responseFromMomo);
if (response != null)
{
Logger.Debug("Return from MoMo: " + responseFromMomo);
if (!string.IsNullOrEmpty(response.QrCodeUrl))
{
result.QrCodeUrl = response.QrCodeUrl;
result.PayUrl = response.PayUrl;
//get qr code image
try
{
WebClient client = new WebClient();
client.Headers.Add("user-agent",
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36");
string htmlCode = client.DownloadString(result.PayUrl);
string matchString = Regex.Match(htmlCode,
"<img class=\"qr-code\".+?src=[\"'](.+?)[\"'].+?>",
RegexOptions.IgnoreCase)
.Groups[1]
.Value;
result.QrCodeImg = matchString;
}
catch (Exception exception)
{
Logger.Debug(exception);
}
}
else
{
result.QrCodeUrl = response.LocalMessage;
}
}
else
{
var errorResponse = JsonConvert.DeserializeObject <ErrorWebPaymentResponse>(responseFromMomo);
if (errorResponse != null)
{
result.QrCodeUrl = errorResponse.LocalMessage;
}
}
}
}
catch (Exception exception)
{
Logger.Debug(exception);
}
return(JsonConvert.SerializeObject(result,
Formatting.None));
}
