/
GuildMemberUpdateHandler.java
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/
GuildMemberUpdateHandler.java
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/*
* Copyright 2015-2017 Austin Keener & Michael Ritter
*
* 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 net.dv8tion.jda.core.handle;
import net.dv8tion.jda.core.entities.Role;
import net.dv8tion.jda.core.entities.impl.GuildImpl;
import net.dv8tion.jda.core.entities.impl.JDAImpl;
import net.dv8tion.jda.core.entities.impl.MemberImpl;
import net.dv8tion.jda.core.events.guild.member.GuildMemberNickChangeEvent;
import net.dv8tion.jda.core.events.guild.member.GuildMemberRoleAddEvent;
import net.dv8tion.jda.core.events.guild.member.GuildMemberRoleRemoveEvent;
import net.dv8tion.jda.core.requests.GuildLock;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONArray;
import org.json.JSONObject;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
public class GuildMemberUpdateHandler extends SocketHandler
{
public GuildMemberUpdateHandler(JDAImpl api)
{
super(api);
}
@Override
protected Long handleInternally(JSONObject content)
{
final long id = content.getLong("guild_id");
if (api.getGuildLock().isLocked(id))
return id;
JSONObject userJson = content.getJSONObject("user");
final long userId = userJson.getLong("id");
GuildImpl guild = (GuildImpl) api.getGuildMap().get(id);
if (guild == null)
{
api.getEventCache().cache(EventCache.Type.GUILD, userId, () ->
{
handle(responseNumber, allContent);
});
EventCache.LOG.debug("Got GuildMember update but JDA currently does not have the Guild cached. " + content.toString());
return null;
}
MemberImpl member = (MemberImpl) guild.getMembersMap().get(userId);
if (member == null)
{
api.getEventCache().cache(EventCache.Type.USER, userId, () ->
{
handle(responseNumber, allContent);
});
EventCache.LOG.debug("Got GuildMember update but Member is not currently present in Guild. " + content.toString());
return null;
}
Set<Role> currentRoles = member.getRoleSet();
List<Role> newRoles = toRolesList(guild, content.getJSONArray("roles"));
//If newRoles is null that means that we didn't find a role that was in the array and was cached this event
if (newRoles == null)
return null;
//Find the roles removed.
List<Role> removedRoles = new LinkedList<>();
for (Role role : currentRoles)
{
boolean roleFound = false;
for (Iterator<Role> it = newRoles.iterator(); it.hasNext();)
{
Role r = it.next();
if (role.equals(r))
{
it.remove();
roleFound = true;
break;
}
}
if (!roleFound)
removedRoles.add(role);
}
if (removedRoles.size() > 0)
currentRoles.removeAll(removedRoles);
if (newRoles.size() > 0)
currentRoles.addAll(newRoles);
if (removedRoles.size() > 0)
{
api.getEventManager().handle(
new GuildMemberRoleRemoveEvent(
api, responseNumber,
guild, member, removedRoles));
}
if (newRoles.size() > 0)
{
api.getEventManager().handle(
new GuildMemberRoleAddEvent(
api, responseNumber,
guild, member, newRoles));
}
if (content.has("nick"))
{
String prevNick = member.getNickname();
String newNick = content.isNull("nick") ? null : content.getString("nick");
if (!StringUtils.equals(prevNick, newNick))
{
member.setNickname(newNick);
api.getEventManager().handle(
new GuildMemberNickChangeEvent(
api, responseNumber,
guild, member, prevNick, newNick));
}
}
return null;
}
private List<Role> toRolesList(GuildImpl guild, JSONArray array)
{
LinkedList<Role> roles = new LinkedList<>();
for(int i = 0; i < array.length(); i++)
{
final long id = array.getLong(i);
Role r = guild.getRolesMap().get(id);
if (r != null)
{
roles.add(r);
}
else
{
api.getEventCache().cache(EventCache.Type.ROLE, id, () ->
{
handle(responseNumber, allContent);
});
EventCache.LOG.debug("Got GuildMember update but one of the Roles for the Member is not yet cached.");
return null;
}
}
return roles;
}
}