/
MessageCreateHandler.java
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/
MessageCreateHandler.java
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/*
* Copyright 2015 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.*;
import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
import net.dv8tion.jda.api.utils.data.DataObject;
import net.dv8tion.jda.internal.JDAImpl;
import net.dv8tion.jda.internal.entities.EntityBuilder;
import net.dv8tion.jda.internal.entities.ThreadChannelImpl;
import net.dv8tion.jda.internal.entities.mixin.channel.middleman.MessageChannelMixin;
import net.dv8tion.jda.internal.requests.WebSocketClient;
public class MessageCreateHandler extends SocketHandler
{
public MessageCreateHandler(JDAImpl api)
{
super(api);
}
@Override
protected Long handleInternally(DataObject content)
{
MessageType type = MessageType.fromId(content.getInt("type"));
if (type == MessageType.UNKNOWN)
{
WebSocketClient.LOG.debug("JDA received a message of unknown type. Type: {} JSON: {}", type, content);
return null;
}
// Drop ephemeral messages since they are broken due to missing guild_id
if ((content.getInt("flags", 0) & 64) != 0)
return null;
JDAImpl jda = getJDA();
Guild guild = null;
if (!content.isNull("guild_id"))
{
long guildId = content.getLong("guild_id");
if (jda.getGuildSetupController().isLocked(guildId))
return guildId;
guild = api.getGuildById(guildId);
if (guild == null)
{
api.getEventCache().cache(EventCache.Type.GUILD, guildId, responseNumber, allContent, this::handle);
EventCache.LOG.debug("Received message for a guild that JDA does not currently have cached");
return null;
}
}
Message message;
try
{
message = jda.getEntityBuilder().createMessageWithLookup(content, guild, true);
}
catch (IllegalArgumentException e)
{
switch (e.getMessage())
{
case EntityBuilder.MISSING_CHANNEL:
{
final long channelId = content.getLong("channel_id");
jda.getEventCache().cache(EventCache.Type.CHANNEL, channelId, responseNumber, allContent, this::handle);
EventCache.LOG.debug("Received a message for a channel that JDA does not currently have cached");
return null;
}
case EntityBuilder.MISSING_USER:
{
final long authorId = content.getObject("author").getLong("id");
jda.getEventCache().cache(EventCache.Type.USER, authorId, responseNumber, allContent, this::handle);
EventCache.LOG.debug("Received a message for a user that JDA does not currently have cached");
return null;
}
case EntityBuilder.UNKNOWN_MESSAGE_TYPE:
{
WebSocketClient.LOG.debug("Ignoring message with unknown type: {}", content);
return null;
}
default:
throw e;
}
}
MessageChannel channel = message.getChannel();
ChannelType channelType = channel.getType();
//Update the variable that tracks the latest message received in the channel
((MessageChannelMixin<?>) channel).setLatestMessageIdLong(message.getIdLong());
if (channelType.isGuild())
{
if (channelType.isThread())
{
ThreadChannelImpl gThread = (ThreadChannelImpl) channel;
//Discord will only ever allow this property to show up to 50,
// so we don't want to update it to be over 50 because we don't want users to use it incorrectly.
int newMessageCount = Math.min(gThread.getMessageCount() + 1, 50);
gThread.setMessageCount(newMessageCount);
}
}
else
{
api.usedPrivateChannel(channel.getIdLong());
}
jda.handleEvent(new MessageReceivedEvent( jda, responseNumber, message));
return null;
}
}