net.dv8tion.jda.core.handle.TypingStartHandler.java Source code

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Here is the source code for net.dv8tion.jda.core.handle.TypingStartHandler.java

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/*
 *     Copyright 2015-2017 Austin Keener & Michael Ritter & Florian Spie
 *
 * 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.Group;
import net.dv8tion.jda.client.entities.impl.GroupImpl;
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.User;
import net.dv8tion.jda.core.entities.impl.JDAImpl;
import net.dv8tion.jda.core.events.user.UserTypingEvent;
import org.json.JSONObject;

import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;

public class TypingStartHandler extends SocketHandler {

    public TypingStartHandler(JDAImpl api) {
        super(api);
    }

    @Override
    protected Long handleInternally(JSONObject content) {
        final long channelId = content.getLong("channel_id");
        MessageChannel channel = api.getTextChannelMap().get(channelId);
        if (channel == null)
            channel = api.getPrivateChannelMap().get(channelId);
        if (channel == null)
            channel = api.getFakePrivateChannelMap().get(channelId);
        if (channel == null && api.getAccountType() == AccountType.CLIENT)
            channel = api.asClient().getGroupById(channelId);
        if (channel == null)
            return null; //We don't have the channel cached yet. We chose not to cache this event
                         // because that happen very often and could easily fill up the EventCache if
                         // we, for some reason, never get the channel. Especially in an active channel.

        if (channel instanceof TextChannel) {
            final long guildId = ((TextChannel) channel).getGuild().getIdLong();
            if (api.getGuildLock().isLocked(guildId))
                return guildId;
        }

        final long userId = content.getLong("user_id");
        User user;
        if (channel instanceof PrivateChannel)
            user = ((PrivateChannel) channel).getUser();
        else if (channel instanceof Group)
            user = ((GroupImpl) channel).getUserMap().get(userId);
        else
            user = api.getUserMap().get(userId);

        if (user == null)
            return null; //Just like in the comment above, if for some reason we don't have the user for some reason
                         // then we will just throw the event away.

        OffsetDateTime timestamp = Instant.ofEpochSecond(content.getInt("timestamp")).atOffset(ZoneOffset.UTC);
        api.getEventManager().handle(new UserTypingEvent(api, responseNumber, user, channel, timestamp));
        return null;
    }
}