Created
February 2, 2018 19:47
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Bot to give (or take away) roles based on clicking certain reactions.
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/* | |
* Copyright 2018 John Grosh (jagrosh). | |
* | |
* 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. | |
*/ | |
import java.nio.charset.StandardCharsets; | |
import java.nio.file.Files; | |
import java.nio.file.Paths; | |
import java.util.HashMap; | |
import net.dv8tion.jda.core.AccountType; | |
import net.dv8tion.jda.core.JDABuilder; | |
import net.dv8tion.jda.core.entities.MessageReaction.ReactionEmote; | |
import net.dv8tion.jda.core.entities.Role; | |
import net.dv8tion.jda.core.events.message.guild.react.GuildMessageReactionAddEvent; | |
import net.dv8tion.jda.core.events.message.guild.react.GuildMessageReactionRemoveEvent; | |
import net.dv8tion.jda.core.hooks.ListenerAdapter; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
/** | |
* | |
* @author John Grosh (john.a.grosh@gmail.com) | |
*/ | |
public class RoleReactionBot extends ListenerAdapter | |
{ | |
private final static String FILENAME = "role-reactions.txt"; | |
private final static Logger LOG = LoggerFactory.getLogger(RoleReactionBot.class); | |
private final HashMap<String,Long> map; | |
public RoleReactionBot() throws Exception | |
{ | |
map = new HashMap<>(); | |
Files.readAllLines(Paths.get(FILENAME), StandardCharsets.UTF_8).forEach(line -> | |
{ | |
String[] split = line.replace("\uFEFF", "").split(" ", 3); | |
try | |
{ | |
long messageId = Long.parseLong(split[0].trim()); | |
long roleId = Long.parseLong(split[2]); | |
map.put(key(messageId, split[1]), roleId); | |
} | |
catch(Exception e) | |
{ | |
LOG.warn("Could not parse: "+line); | |
} | |
}); | |
} | |
@Override | |
public void onGuildMessageReactionAdd(GuildMessageReactionAddEvent event) | |
{ | |
Role role = event.getGuild().getRoleById(map.getOrDefault(key(event.getMessageIdLong(),event.getReactionEmote()), 0L)); | |
if(role!=null) | |
event.getGuild().getController().addSingleRoleToMember(event.getMember(), role).queue(); | |
} | |
@Override | |
public void onGuildMessageReactionRemove(GuildMessageReactionRemoveEvent event) | |
{ | |
Role role = event.getGuild().getRoleById(map.getOrDefault(key(event.getMessageIdLong(),event.getReactionEmote()), 0L)); | |
if(role!=null) | |
event.getGuild().getController().removeSingleRoleFromMember(event.getMember(), role).queue(); | |
} | |
private static String key(long messageId, ReactionEmote emote) | |
{ | |
return key(messageId, emote.getEmote()==null ? emote.getName(): emote.getEmote().getId()); | |
} | |
private static String key(long messageId, String emoji) | |
{ | |
return messageId+"-"+emoji; | |
} | |
public static void main(String[] args) throws Exception | |
{ | |
new JDABuilder(AccountType.BOT) | |
.setToken(Files.readAllLines(Paths.get("config.txt")).get(0)) | |
.addEventListener(new RoleReactionBot()) | |
.buildAsync(); | |
} | |
} |
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