cancelPayment method

Implementation

Future<void> cancelPayment(String transactionId) async {
  try {
    setLoading(true);

    final response = await _httpClient.post<LokotroPayResponse>(
      LokotroPayEnv.buildCancelPaymentUrl(transactionId),
      parser: (data) => LokotroPayResponse.fromJson(data),
    );

    if (response.isSuccess && response.data != null) {
      setInfoMessage(
        'Payment cancelled successfully',
        title: 'Payment Cancelled',
      );
      navigateToScreen(LokotroPayScreenNavigation.infoScreen);
    } else {
      _handleApiError(response.message);
    }
  } catch (e) {
    _handleError(e);
  } finally {
    setLoading(false);
  }
}