onLongPressDataTableRow method Null safety

Implementation

onLongPressDataTableRow(BuildContext context, {DiseaseObservation? diseaseObservation}) async {
  if (diseaseObservation == null) {
    return;
  }

  LogManager().addLog("${diseaseObservation.createdAt}(${diseaseObservation.id})의 질병관찰 삭제", action: LogConstants.graphRowTap, screen: runtimeType.toString());

  EventService().eventBus.fire(
        PopupEvent(
          type: PopupType.confirm,
          action: PopupAction.show,
          data: {"title": StringConstants.popupDiseaseObservationDeleteConfirmTitle, "content": StringConstants.popupDiseaseObservationDeleteConfirmContent},
          onTapYes: () async {
            EventService().eventBus.fire(PopupEvent(type: PopupType.loading, action: PopupAction.show));
            await ApiService().deleteDiseaseObservations(diseaseObservation: diseaseObservation);
            EventService().eventBus.fire(
                  PopupEvent(
                    type: PopupType.alert,
                    action: PopupAction.show,
                    data: {"title": StringConstants.popupDiseaseObservationDeleteCompleteTitle, "content": StringConstants.popupDiseaseObservationDeleteCompleteContent},
                    onClose: () async {
                      Navigator.of(context, rootNavigator: true).popUntil((route) => route.settings.name != PopupScreen.routeName);
                      await fetchData(context);
                    },
                  ),
                );
          },
        ),
      );

  // Navigator.of(context, rootNavigator: true).pushNamed(
  //   DiseaseObservationCreateScreen.routeName,
  //   arguments: DiseaseObservationCreateScreenArguments(
  //     diseaseObservation: diseaseObservation,
  //     inputMode: inputMode,
  //   ),
  // );
}