Plex-FAWE/worldedit-core/src/main/java/com/sk89q/worldedit/command/util/annotation/ConfirmHandler.java

package com.sk89q.worldedit.command.util.annotation;

import com.fastasyncworldedit.core.configuration.Settings;
import com.sk89q.worldedit.command.util.annotation.Confirm;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.util.formatting.text.TextComponent;
import org.enginehub.piston.CommandParameters;
import org.enginehub.piston.exception.StopExecutionException;
import org.enginehub.piston.gen.CommandCallListener;
import org.enginehub.piston.inject.Key;

import java.lang.reflect.Method;
import java.util.Optional;

/**
 * Logs called commands to a logger.
 */
public class ConfirmHandler implements CommandCallListener {
    @Override
    public void beforeCall(Method method, CommandParameters parameters) {
        Confirm confirmAnnotation = method.getAnnotation(Confirm.class);
        if (confirmAnnotation == null) {
            return;
        }
        Optional<Actor> actorOpt = parameters.injectedValue(Key.of(Actor.class));

        if (!actorOpt.isPresent()) {
            return;
        }
        Actor actor = actorOpt.get();
        // don't check confirmation if actor doesn't need to confirm
        if (!Settings.IMP.getLimit(actor).CONFIRM_LARGE) {
            return;
        }
        if (!confirmAnnotation.value().passes(actor, parameters, 1)) {
            throw new StopExecutionException(TextComponent.empty());
        }
    }
}