openPayerMax static method

Future<void> openPayerMax({ required num amount, num? coins, String? coinPlanId, String? orderId, String? subject, String? appId, String? merchantNo, String? apiUrl, String? privateKeyBase64, String? frontCallbackUrl, String? notifyUrl, String? upiId, String currency = "USD", String country = "US", String userId = "USER_01", String paymentGatewayName = "PayerMax", bool testMode = false, bool openHostedCashierDirectly = true, dynamic onPaymentSuccess()?, dynamic onPaymentFailure()?, dynamic onShowToast()?, })

Opens the PayerMax checkout (WebView or UPI bottom sheet) using GetX

Implementation

static Future<void> openPayerMax({
  required num amount,
  num? coins,
  String? coinPlanId,
  String? orderId,
  String? subject,
  String? appId,
  String? merchantNo,
  String? apiUrl,
  String? privateKeyBase64,
  String? frontCallbackUrl,
  String? notifyUrl,
  String? upiId,
  String currency = "USD",
  String country = "US",
  String userId = "USER_01",
  String paymentGatewayName = "PayerMax",
  bool testMode = false,
  bool openHostedCashierDirectly = true,
  Function()? onPaymentSuccess,
  Function()? onPaymentFailure,
  Function()? onShowToast,
}) async {
  final controller = Get.isRegistered<PayerMaxController>()
      ? Get.find<PayerMaxController>()
      : Get.put(PayerMaxController());

  // 1. Show Loading dialog
  Get.dialog(
    Center(
      child: Container(
        padding: const EdgeInsets.all(24),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(20),
        ),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            const CircularProgressIndicator(color: Colors.deepPurple),
            const SizedBox(height: 16),
            const Text(
              "Creating PayerMax Order...",
              style: TextStyle(fontWeight: FontWeight.bold, fontSize: 14),
            ),
            const SizedBox(height: 4),
            Text(
              testMode
                  ? "Connecting to Sandbox Gateway"
                  : "Connecting to Gateway",
              style: const TextStyle(color: Colors.grey, fontSize: 12),
            ),
          ],
        ),
      ),
    ),
    barrierDismissible: false,
  );

  final success = await controller.createOrder(
    amountVal: amount,
    coinsVal: coins,
    coinPlanId: coinPlanId,
    orderId: orderId,
    subject: subject,
    appId: appId,
    merchantNo: merchantNo,
    apiUrl: apiUrl,
    privateKeyBase64: privateKeyBase64,
    frontCallbackUrl: frontCallbackUrl,
    notifyUrl: notifyUrl,
    upiId: upiId,
    currencyCode: currency,
    countryCode: country,
    userId: userId,
    paymentGatewayName: paymentGatewayName,
    testMode: testMode,
    openHostedCashierDirectly: openHostedCashierDirectly,
    onSuccess: onPaymentSuccess,
    onFailure: onPaymentFailure,
    onToast: onShowToast,
  );

  if (Get.isDialogOpen == true) {
    Get.back();
  }

  if (!success) {
    return;
  }

  // 2. Open Hosted Cashier WebView OR UPI BottomSheet
  final shouldOpenWebView =
      openHostedCashierDirectly || currency.toUpperCase() != "INR";
  if (shouldOpenWebView) {
    await Get.to(() => PayerMaxWebViewPage(controller: controller));
  } else {
    await Get.bottomSheet(
      PayerMaxBottomSheet(controller: controller),
      isScrollControlled: true,
    );
  }
}