setCheckoutCallback method

@override void setCheckoutCallback({ required PPApprovalCallback onApprove, required PPShippingChangeCallback onShippingChange, required PPErrorCallback onError, required dynamic onCancel(), })

Implementation

@override
void setCheckoutCallback({
  required PPApprovalCallback onApprove,
  required PPShippingChangeCallback onShippingChange,
  required PPErrorCallback onError,
  required Function() onCancel,
}) {
  methodChannel.setMethodCallHandler((call) async {
    try {
      final data = call.arguments as Map?;
      if (data == null) {
        return onCancel();
      }

      switch (MethodNativeInvoke.from(call.method.camelCase)) {
        case MethodNativeInvoke.onApprove:
          final approvalDataJson = data['approvalData'];
          final approvalData = jsonDecode(approvalDataJson);
          final approval = PPApprovalData.fromJson(approvalData);
          return onApprove(approval);
        case MethodNativeInvoke.onShippingChange:
          final shippingChangeDataJson = data['shippingChangeData'];
          final shippingChangeData = jsonDecode(shippingChangeDataJson);
          final shippingChange =
              PPShippingChangeData.fromJson(shippingChangeData);
          return onShippingChange(shippingChange);
        case MethodNativeInvoke.onError:
          final errorDataJson = data['errorInfo'];
          final errorData = jsonDecode(errorDataJson);
          final error = PPErrorInfo.fromJson(errorData);
          return onError(error);
        case MethodNativeInvoke.onCancel:
          return onCancel();
      }
    } catch (e) {
      debugPrint(':::: ERROR setCheckoutCallback: $e');
    }
  });
}