NoonPaymentResult.parse constructor

Implementation

factory NoonPaymentResult.parse(String rawResponse) {
  if (rawResponse.trim().isEmpty || rawResponse == 'null') {
    return NoonPaymentResult.failed(
      errorCode: 'EMPTY_RESPONSE',
      errorMessage:
          'The SDK returned an empty or invalid response. Usually indicates an invalid OrderID or a cancelled initialization.',
    );
  }

  Map<String, dynamic>? parsed;
  try {
    parsed = json.decode(rawResponse) as Map<String, dynamic>;

    // Look for common error signatures Noon might return
    if (parsed.containsKey('orderStatus')) {
      final orderStatus = parsed['orderStatus'].toString().toLowerCase();
      if (orderStatus == 'success' ||
          orderStatus == 'authorized' ||
          orderStatus == 'capture' ||
          orderStatus == 'captured') {
        return NoonPaymentResult._(
          status: NoonPaymentStatus.success,
          rawResponse: rawResponse,
          data: parsed,
        );
      } else if (orderStatus.toLowerCase() == 'cancelled') {
        return NoonPaymentResult.cancelled();
      } else {
        return NoonPaymentResult.failed(
          errorCode: 'ORDER_STATUS_ERROR',
          errorMessage:
              'Payment failed with status: $orderStatus, ${parsed.containsKey('resultCode') ? 'result code: ${parsed['resultCode']}' : ''}',
        );
      }
    }

    if (parsed.containsKey('resultCode') &&
        parsed['resultCode'] != 0 &&
        parsed['resultCode'] != '0') {
      return NoonPaymentResult.failed(
        errorCode: parsed['resultCode'].toString(),
        errorMessage: parsed['message']?.toString() ?? 'Payment failed',
      );
    }
    if (parsed.containsKey('status') &&
        parsed['status'].toString().toUpperCase() != 'SUCCESS') {
      return NoonPaymentResult.failed(
        errorCode: 'STATUS_ERROR',
        errorMessage:
            parsed['message']?.toString() ??
            'Payment failed: ${parsed["status"]}',
      );
    }
    if (parsed.containsKey('errorMessage') || parsed.containsKey('error')) {
      return NoonPaymentResult.failed(
        errorCode: parsed['errorCode']?.toString(),
        errorMessage:
            parsed['errorMessage']?.toString() ??
            parsed['error']?.toString() ??
            'Payment failed',
      );
    }
  } catch (_) {
    // Response might not be valid JSON, but it's not empty. Fall back to success.
  }

  return NoonPaymentResult._(
    status: NoonPaymentStatus.success,
    rawResponse: rawResponse,
    data: parsed,
  );
}