fetchOrder method
Implementation
Future<PaymentOptionModel> fetchOrder(String? orderId) async {
final response =
await httpClient.get(Uri.parse(getpaymentMethods(_baseUrl, orderId!)));
if (response.statusCode != 200) {
throw Exception('error creating order');
}
final json = jsonDecode(response.body);
if (kDebugMode) {
print(json);
}
return PaymentOptionModel.fromJson(json);
}