/** Gets called when an action is undone */
public void undoCallback() {
if (undoBuffer.isPresent()) {
TurboIssue issue = undoBuffer.get().getKey();
Action<TurboIssue> action = undoBuffer.get().getValue();
action
.undo(issue)
.thenApply(isSuccessful -> handleActionResult(issue, action, isSuccessful, true));
undoBuffer = Optional.empty();
}
}
/**
* Adds an action to the undo buffer.
*
* @param issue The TurboIssue to be acted on
* @param action The Action that acts on the above TurboIssue
*/
public void addAction(TurboIssue issue, Action<TurboIssue> action) {
undoBuffer = Optional.of(new Pair<>(issue, action));
action
.act(issue)
.thenApply(success -> handleActionResult(issue, action, success, false))
.exceptionally((e) -> handleActionException(issue, action, e));
}
/**
* Shows an error dialog with a summary of the attempted action
*
* @param issue
* @param action
* @param errorMessage
*/
private void showErrorDialog(TurboIssue issue, Action action, String errorMessage) {
Platform.runLater(
() ->
DialogMessage.showErrorDialog(
"Error Requesting GitHub",
String.format(
"An error occurred while attempting to %s on:\n\n%s\n\n" + errorMessage,
action.getDescription(),
issue)));
}
/**
* Possibly shows a notification or an error dialog depending on {@code success} and {@code
* isUndo}.
*
* @param issue the TurboIssue acted on
* @param action the Action that acted on the issue
* @param success whether the action was successful
* @param isUndo whether action is an undo
* @return {@code success}
*/
private boolean handleActionResult(
TurboIssue issue, Action<TurboIssue> action, Boolean success, boolean isUndo) {
if (!success) {
String errorMessage = "Please check if you have write permissions to " + issue.getRepoId();
showErrorDialog(issue, action, errorMessage);
return success;
}
if (!isUndo) {
showNotification(issue.getId(), issue.getTitle(), action.getDescription());
return success;
}
return success;
}