initPaypalBraintree method

Implementation

initPaypalBraintree({
  required String tokenizationKey,
  required double amount,
  required String emailId,
  required String name,
  String? currencyCode,
  String? countryCode,
}) async {
  /// initiate Braintree transaction
  var request = BraintreeDropInRequest(
    tokenizationKey: tokenizationKey,
    collectDeviceData: true,
    vaultManagerEnabled: true,
    requestThreeDSecureVerification: true,
    email: emailId,
    billingAddress: BraintreeBillingAddress(
      givenName: name,
      countryCodeAlpha2: countryCode ?? "US",
    ),
    googlePaymentRequest: BraintreeGooglePaymentRequest(
      totalPrice: amount.toString(),
      currencyCode: currencyCode ?? 'USD',
      billingAddressRequired: false,
    ),
    applePayRequest: BraintreeApplePayRequest(
      currencyCode: currencyCode ?? 'USD',
      supportedNetworks: [
        ApplePaySupportedNetworks.visa,
        ApplePaySupportedNetworks.masterCard,
        ApplePaySupportedNetworks.amex,
        ApplePaySupportedNetworks.discover,
      ],
      countryCode: countryCode ?? 'US',
      merchantIdentifier: '',
      displayName: name,
      paymentSummaryItems: [],
    ),
    paypalRequest: BraintreePayPalRequest(
      amount: amount.toString(),
      displayName: name,
    ),
    cardEnabled: true,
  );

  /// start the transaction for the paypal
  BraintreeDropInResult? braintreeDropInResult =
      await BraintreeDropIn.start(request);

  if (braintreeDropInResult == null) {
    /// return response for the success transaction events
    return UniPaymentResponse(
      "${braintreeDropInResult!.paymentMethodNonce.description}-${braintreeDropInResult.paymentMethodNonce.nonce}",
      false,
      braintreeDropInResult.deviceData.toString(),
    );
  } else {
    /// return response for the failure transaction events
    return UniPaymentResponse(
      "${braintreeDropInResult.paymentMethodNonce.description}-${braintreeDropInResult.paymentMethodNonce.paypalPayerId}-${braintreeDropInResult.paymentMethodNonce.nonce}",
      true,
      braintreeDropInResult.deviceData.toString(),
    );
  }
}