io.github.ma1uta.matrix.bot.command.Help Maven / Gradle / Ivy
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/*
* Copyright Anatoliy Sablin [email protected]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.github.ma1uta.matrix.bot.command;
import io.github.ma1uta.matrix.bot.BotConfig;
import io.github.ma1uta.matrix.bot.BotDao;
import io.github.ma1uta.matrix.bot.Command;
import io.github.ma1uta.matrix.bot.Context;
import io.github.ma1uta.matrix.bot.PersistentService;
import io.github.ma1uta.matrix.client.MatrixClient;
import io.github.ma1uta.matrix.event.RoomEvent;
/**
* Show all commands.
*
* @param bot configuration.
* @param bot dao.
* @param bot service.
* @param extra data.
*/
public class Help, S extends PersistentService, E> implements Command {
@Override
public String name() {
return "help";
}
@Override
public boolean invoke(Context context, String roomId, RoomEvent event, String arguments) {
MatrixClient matrixClient = context.getMatrixClient();
String prefix = context.getBot().getPrefix();
String defaultCommand = context.getConfig().getDefaultCommand();
String help = context.getBot().getCommands().entrySet().stream().map(entry -> {
StringBuilder commandHelp = new StringBuilder();
if (defaultCommand != null && !defaultCommand.trim().isEmpty() && entry.getKey().equals(defaultCommand)) {
commandHelp.append("(default) ");
}
commandHelp.append(prefix).append(entry.getValue().usage()).append(" - ").append(entry.getValue().help()).append("\n");
return commandHelp;
}).reduce(StringBuilder::append).map(StringBuilder::toString).orElse("");
matrixClient.event().sendNotice(roomId, help);
return true;
}
@Override
public String help() {
return "list all commands.";
}
@Override
public String usage() {
return "help";
}
}