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GuildMemberRemoveHandler.java
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GuildMemberRemoveHandler.java
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/*
* Copyright 2015-2020 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
*
* 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.internal.handle;
import net.dv8tion.jda.api.entities.Member;
import net.dv8tion.jda.api.entities.User;
import net.dv8tion.jda.api.entities.VoiceChannel;
import net.dv8tion.jda.api.events.guild.member.GuildMemberLeaveEvent;
import net.dv8tion.jda.api.events.guild.member.GuildMemberRemoveEvent;
import net.dv8tion.jda.api.events.guild.voice.GuildVoiceLeaveEvent;
import net.dv8tion.jda.api.utils.data.DataObject;
import net.dv8tion.jda.internal.JDAImpl;
import net.dv8tion.jda.internal.entities.GuildImpl;
import net.dv8tion.jda.internal.entities.GuildVoiceStateImpl;
import net.dv8tion.jda.internal.entities.MemberImpl;
import net.dv8tion.jda.internal.entities.VoiceChannelImpl;
import net.dv8tion.jda.internal.requests.WebSocketClient;
import net.dv8tion.jda.internal.utils.UnlockHook;
import net.dv8tion.jda.internal.utils.cache.SnowflakeCacheViewImpl;
public class GuildMemberRemoveHandler extends SocketHandler
{
public GuildMemberRemoveHandler(JDAImpl api)
{
super(api);
}
@SuppressWarnings("deprecation")
@Override
protected Long handleInternally(DataObject content)
{
final long id = content.getLong("guild_id");
boolean setup = getJDA().getGuildSetupController().onRemoveMember(id, content);
if (setup)
return null;
GuildImpl guild = (GuildImpl) getJDA().getGuildsView().get(id);
if (guild == null)
{
//We probably just left the guild and this event is trying to remove us from the guild, therefore ignore
return null;
}
final long userId = content.getObject("user").getUnsignedLong("id");
if (userId == getJDA().getSelfUser().getIdLong())
{
//We probably just left the guild and this event is trying to remove us from the guild, therefore ignore
return null;
}
// Update the memberCount
guild.onMemberRemove();
User user = api.getEntityBuilder().createUser(content.getObject("user"));
MemberImpl member = (MemberImpl) guild.getMembersView().remove(userId);
if (member == null)
{
WebSocketClient.LOG.debug("Received GUILD_MEMBER_REMOVE for a Member that does not exist in the specified Guild. UserId: {} GuildId: {}", userId, id);
// Remove user from voice channel if applicable
guild.getVoiceChannelsView().forEachUnordered((channel) -> {
VoiceChannelImpl impl = (VoiceChannelImpl) channel;
Member connected = impl.getConnectedMembersMap().remove(userId);
if (connected != null) // user left channel!
{
getJDA().handleEvent(
new GuildVoiceLeaveEvent(
getJDA(), responseNumber,
connected, channel));
}
});
// Fire cache independent event, we can still inform the library user about the member removal
getJDA().handleEvent(
new GuildMemberRemoveEvent(
getJDA(), responseNumber,
guild, user, null));
return null;
}
GuildVoiceStateImpl voiceState = (GuildVoiceStateImpl) member.getVoiceState();
if (voiceState != null && voiceState.inVoiceChannel())//If this user was in a VoiceChannel, fire VoiceLeaveEvent.
{
VoiceChannel channel = voiceState.getChannel();
voiceState.setConnectedChannel(null);
((VoiceChannelImpl) channel).getConnectedMembersMap().remove(userId);
getJDA().handleEvent(
new GuildVoiceLeaveEvent(
getJDA(), responseNumber,
member, channel));
}
//The user is not in a different guild that we share
SnowflakeCacheViewImpl<User> userView = getJDA().getUsersView();
try (UnlockHook hook = userView.writeLock())
{
if (userId != getJDA().getSelfUser().getIdLong() // don't remove selfUser from cache
&& getJDA().getGuildsView().stream()
.noneMatch(g -> g.getMemberById(userId) != null))
{
userView.remove(userId);
getJDA().getEventCache().clear(EventCache.Type.USER, userId);
}
}
// Cache dependent event
getJDA().handleEvent(
new GuildMemberLeaveEvent(
getJDA(), responseNumber,
member));
// Cache independent event
getJDA().handleEvent(
new GuildMemberRemoveEvent(
getJDA(), responseNumber,
guild, user, member));
return null;
}
}