requestApplePay method

@override Future<TapPayPrime?> requestApplePay({ required List<CartItem> cartItems, required String currencyCode, required String countryCode, })

Request Apple Pay

cartItems is the list of items in the cart currencyCode is the currency code of the transaction countryCode is the country code of the transaction

return ApplePayResult with value success as true if success. return ApplePayResult with value success as false if fail. return ApplePayResult with value message as String if fail. return ApplePayResult with value prime as String if success. return null if the request is incomplete

Implementation

@override
Future<TapPayPrime?> requestApplePay({
  required List<CartItem> cartItems,
  required String currencyCode,
  required String countryCode,
}) async {
  if (Platform.isIOS == false) {
    return TapPayPrime(
        success: false,
        message: "Apple Pay is only available on iOS devices.");
  }

  if (cartItems.isEmpty) {
    return TapPayPrime(
        success: false, message: "The cart items cannot be empty.");
  }

  if (currencyCode.isEmpty || currencyCode.length != 3) {
    return TapPayPrime(
        success: false, message: "The currency code cannot be empty.");
  }

  if (countryCode.isEmpty || countryCode.length != 2) {
    return TapPayPrime(
        success: false, message: "The country code cannot be empty.");
  }

  final result = await methodChannel
      .invokeMethod<Map<Object?, Object?>>('requestApplePay', {
    'cartItems':
        cartItems.map((CartItem cartItem) => cartItem.toMap()).toList(),
    'currencyCode': currencyCode,
    'countryCode': countryCode,
  });

  if (result == null) {
    return TapPayPrime(
        success: false,
        message:
            "Encountered an unidentified error while requesting Apple Pay.");
  } else {
    return TapPayPrime.fromMap(Map<String, dynamic>.from(result));
  }
}