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MessageDeleteHandler.java
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MessageDeleteHandler.java
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/*
* Copyright 2015-2018 Austin Keener & Michael Ritter & Florian Spieß
*
* 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.client.entities.impl.GroupImpl;
import net.dv8tion.jda.client.events.message.group.GroupMessageDeleteEvent;
import net.dv8tion.jda.core.AccountType;
import net.dv8tion.jda.core.entities.MessageChannel;
import net.dv8tion.jda.core.entities.PrivateChannel;
import net.dv8tion.jda.core.entities.TextChannel;
import net.dv8tion.jda.core.entities.impl.JDAImpl;
import net.dv8tion.jda.core.entities.impl.PrivateChannelImpl;
import net.dv8tion.jda.core.entities.impl.TextChannelImpl;
import net.dv8tion.jda.core.events.message.MessageDeleteEvent;
import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent;
import net.dv8tion.jda.core.events.message.priv.PrivateMessageDeleteEvent;
import org.json.JSONObject;
public class MessageDeleteHandler extends SocketHandler
{
public MessageDeleteHandler(JDAImpl api)
{
super(api);
}
@Override
protected Long handleInternally(JSONObject content)
{
final long messageId = content.getLong("id");
final long channelId = content.getLong("channel_id");
MessageChannel channel = getJDA().getTextChannelById(channelId);
if (channel == null)
{
channel = getJDA().getPrivateChannelById(channelId);
}
if (channel == null)
{
channel = getJDA().getFakePrivateChannelMap().get(channelId);
}
if (channel == null && getJDA().getAccountType() == AccountType.CLIENT)
{
channel = getJDA().asClient().getGroupById(channelId);
}
if (channel == null)
{
getJDA().getEventCache().cache(EventCache.Type.CHANNEL, channelId, () -> handle(responseNumber, allContent));
EventCache.LOG.debug("Got message delete for a channel/group that is not yet cached. ChannelId: {}", channelId);
return null;
}
if (channel instanceof TextChannel)
{
TextChannelImpl tChan = (TextChannelImpl) channel;
if (getJDA().getGuildLock().isLocked(tChan.getGuild().getIdLong()))
{
return tChan.getGuild().getIdLong();
}
if (tChan.hasLatestMessage() && messageId == channel.getLatestMessageIdLong())
tChan.setLastMessageId(0); // Reset latest message id as it was deleted.
getJDA().getEventManager().handle(
new GuildMessageDeleteEvent(
getJDA(), responseNumber,
messageId, tChan));
}
else if (channel instanceof PrivateChannel)
{
PrivateChannelImpl pChan = (PrivateChannelImpl) channel;
if (channel.hasLatestMessage() && messageId == channel.getLatestMessageIdLong())
pChan.setLastMessageId(0); // Reset latest message id as it was deleted.
getJDA().getEventManager().handle(
new PrivateMessageDeleteEvent(
getJDA(), responseNumber,
messageId, pChan));
}
else
{
GroupImpl group = (GroupImpl) channel;
if (channel.hasLatestMessage() && messageId == channel.getLatestMessageIdLong())
group.setLastMessageId(0); // Reset latest message id as it was deleted.
getJDA().getEventManager().handle(
new GroupMessageDeleteEvent(
getJDA(), responseNumber,
messageId, group));
}
//Combo event
getJDA().getEventManager().handle(
new MessageDeleteEvent(
getJDA(), responseNumber,
messageId, channel));
return null;
}
}