/
TextChannelImpl.java
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/
TextChannelImpl.java
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/*
* Copyright 2015-2017 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.entities.impl;
import net.dv8tion.jda.client.exceptions.VerificationLevelException;
import net.dv8tion.jda.core.Permission;
import net.dv8tion.jda.core.entities.*;
import net.dv8tion.jda.core.exceptions.InsufficientPermissionException;
import net.dv8tion.jda.core.requests.Request;
import net.dv8tion.jda.core.requests.Response;
import net.dv8tion.jda.core.requests.RestAction;
import net.dv8tion.jda.core.requests.Route;
import net.dv8tion.jda.core.requests.restaction.AuditableRestAction;
import net.dv8tion.jda.core.utils.Checks;
import net.dv8tion.jda.core.utils.MiscUtil;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.InputStream;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;
public class TextChannelImpl extends AbstractChannelImpl<TextChannelImpl> implements TextChannel
{
private String topic;
private long lastMessageId;
private boolean nsfw;
public TextChannelImpl(long id, GuildImpl guild)
{
super(id, guild);
}
@Override
public String getAsMention()
{
return "<#" + id + '>';
}
@Override
public RestAction<List<Webhook>> getWebhooks()
{
checkPermission(Permission.MANAGE_WEBHOOKS);
Route.CompiledRoute route = Route.Channels.GET_WEBHOOKS.compile(getId());
return new RestAction<List<Webhook>>(getJDA(), route)
{
@Override
protected void handleResponse(Response response, Request<List<Webhook>> request)
{
if (!response.isOk())
{
request.onFailure(response);
return;
}
List<Webhook> webhooks = new LinkedList<>();
JSONArray array = response.getArray();
EntityBuilder builder = api.getEntityBuilder();
for (Object object : array)
{
try
{
webhooks.add(builder.createWebhook((JSONObject) object));
}
catch (JSONException | NullPointerException e)
{
JDAImpl.LOG.log(e);
}
}
request.onSuccess(webhooks);
}
};
}
@Override
public RestAction<Void> deleteMessages(Collection<Message> messages)
{
Checks.notEmpty(messages, "Messages collection");
return deleteMessagesByIds(messages.stream()
.map(ISnowflake::getId)
.collect(Collectors.toList()));
}
@Override
public RestAction<Void> deleteMessagesByIds(Collection<String> messageIds)
{
checkPermission(Permission.MESSAGE_MANAGE, "Must have MESSAGE_MANAGE in order to bulk delete messages in this channel regardless of author.");
if (messageIds.size() < 2 || messageIds.size() > 100)
throw new IllegalArgumentException("Must provide at least 2 or at most 100 messages to be deleted.");
long twoWeeksAgo = ((System.currentTimeMillis() - (14 * 24 * 60 * 60 * 1000)) - MiscUtil.DISCORD_EPOCH) << MiscUtil.TIMESTAMP_OFFSET;
for (String id : messageIds)
{
Checks.notEmpty(id, "Message id in messageIds");
Checks.check(MiscUtil.parseSnowflake(id) > twoWeeksAgo, "Message Id provided was older than 2 weeks. Id: " + id);
}
JSONObject body = new JSONObject().put("messages", messageIds);
Route.CompiledRoute route = Route.Messages.DELETE_MESSAGES.compile(getId());
return new RestAction<Void>(getJDA(), route, body)
{
@Override
protected void handleResponse(Response response, Request<Void> request)
{
if (response.isOk())
request.onSuccess(null);
else
request.onFailure(response);
}
};
}
@Override
public AuditableRestAction<Void> deleteWebhookById(String id)
{
Checks.notEmpty(id, "webhook id");
if (!guild.getSelfMember().hasPermission(this, Permission.MANAGE_WEBHOOKS))
throw new InsufficientPermissionException(Permission.MANAGE_WEBHOOKS);
Route.CompiledRoute route = Route.Webhooks.DELETE_WEBHOOK.compile(id);
return new AuditableRestAction<Void>(getJDA(), route)
{
@Override
protected void handleResponse(Response response, Request<Void> request)
{
if (response.isOk())
request.onSuccess(null);
else
request.onFailure(response);
}
};
}
@Override
public boolean canTalk()
{
return canTalk(guild.getSelfMember());
}
@Override
public boolean canTalk(Member member)
{
if (!guild.equals(member.getGuild()))
throw new IllegalArgumentException("Provided Member is not from the Guild that this TextChannel is part of.");
return member.hasPermission(this, Permission.MESSAGE_READ, Permission.MESSAGE_WRITE);
}
@Override
public long getLatestMessageIdLong()
{
final long messageId = lastMessageId;
if (messageId < 0)
throw new IllegalStateException("No last message id found.");
return messageId;
}
@Override
public boolean hasLatestMessage()
{
return lastMessageId > 0;
}
@Override
public ChannelType getType()
{
return ChannelType.TEXT;
}
@Override
public String getTopic()
{
return topic;
}
@Override
public boolean isNSFW() {
return nsfw || name.equals("nsfw") || name.startsWith("nsfw-");
}
@Override
public List<Member> getMembers()
{
return Collections.unmodifiableList(guild.getMembersMap().valueCollection().stream()
.filter(m -> m.hasPermission(this, Permission.MESSAGE_READ))
.collect(Collectors.toList()));
}
@Override
public int getPosition()
{
//We call getTextChannels instead of directly accessing the GuildImpl.getTextChannelMap because
// getTextChannels does the sorting logic.
List<TextChannel> channels = guild.getTextChannels();
for (int i = 0; i < channels.size(); i++)
{
if (channels.get(i) == this)
return i;
}
throw new AssertionError("Somehow when determining position we never found the TextChannel in the Guild's channels? wtf?");
}
@Override
public RestAction<Message> sendMessage(Message msg)
{
Checks.notNull(msg, "Message");
checkVerification();
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
if (msg.getRawContent().isEmpty() && !msg.getEmbeds().isEmpty())
checkPermission(Permission.MESSAGE_EMBED_LINKS);
//Call MessageChannel's default
return TextChannel.super.sendMessage(msg);
}
@Override
public RestAction<Message> sendFile(InputStream data, String fileName, Message message)
{
checkVerification();
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
checkPermission(Permission.MESSAGE_ATTACH_FILES);
//Call MessageChannel's default method
return TextChannel.super.sendFile(data, fileName, message);
}
@Override
public RestAction<Message> sendFile(byte[] data, String fileName, Message message)
{
checkVerification();
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
checkPermission(Permission.MESSAGE_ATTACH_FILES);
//Call MessageChannel's default method
return TextChannel.super.sendFile(data, fileName, message);
}
@Override
public RestAction<Message> getMessageById(String messageId)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.getMessageById(messageId);
}
@Override
public AuditableRestAction<Void> deleteMessageById(String messageId)
{
Checks.notEmpty(messageId, "messageId");
checkPermission(Permission.MESSAGE_READ);
//Call MessageChannel's default method
return TextChannel.super.deleteMessageById(messageId);
}
@Override
public RestAction<MessageHistory> getHistoryAround(String messageId, int limit)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.getHistoryAround(messageId, limit);
}
@Override
public RestAction<Void> pinMessageById(String messageId)
{
checkPermission(Permission.MESSAGE_READ, "You cannot pin a message in a channel you can't access. (MESSAGE_READ)");
checkPermission(Permission.MESSAGE_MANAGE, "You need MESSAGE_MANAGE to pin or unpin messages.");
//Call MessageChannel's default method
return TextChannel.super.pinMessageById(messageId);
}
@Override
public RestAction<Void> unpinMessageById(String messageId)
{
checkPermission(Permission.MESSAGE_READ, "You cannot unpin a message in a channel you can't access. (MESSAGE_READ)");
checkPermission(Permission.MESSAGE_MANAGE, "You need MESSAGE_MANAGE to pin or unpin messages.");
//Call MessageChannel's default method
return TextChannel.super.unpinMessageById(messageId);
}
@Override
public RestAction<List<Message>> getPinnedMessages()
{
checkPermission(Permission.MESSAGE_READ, "Cannot get the pinned message of a channel without MESSAGE_READ access.");
//Call MessageChannel's default method
return TextChannel.super.getPinnedMessages();
}
@Override
public RestAction<Void> addReactionById(String messageId, String unicode)
{
checkPermission(Permission.MESSAGE_ADD_REACTION);
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.addReactionById(messageId, unicode);
}
@Override
public RestAction<Void> addReactionById(String messageId, Emote emote)
{
checkPermission(Permission.MESSAGE_ADD_REACTION);
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.addReactionById(messageId, emote);
}
@Override
public RestAction<Void> clearReactionsById(String messageId)
{
Checks.notEmpty(messageId, "Message ID");
checkPermission(Permission.MESSAGE_MANAGE);
Route.CompiledRoute route = Route.Messages.REMOVE_ALL_REACTIONS.compile(getId(), messageId);
return new RestAction<Void>(getJDA(), route)
{
@Override
protected void handleResponse(Response response, Request<Void> request)
{
if (response.isOk())
request.onSuccess(null);
else
request.onFailure(response);
}
};
}
@Override
public RestAction<Message> editMessageById(String id, Message newContent)
{
Checks.notNull(newContent, "Message");
//checkVerification(); no verification needed to edit a message
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
if (newContent.getRawContent().isEmpty() && !newContent.getEmbeds().isEmpty())
checkPermission(Permission.MESSAGE_EMBED_LINKS);
//Call MessageChannel's default
return TextChannel.super.editMessageById(id, newContent);
}
@Override
public String toString()
{
return "TC:" + getName() + '(' + id + ')';
}
@Override
public int compareTo(TextChannel chan)
{
Checks.notNull(chan, "Other TextChannel");
if (this == chan)
return 0;
Checks.check(getGuild().equals(chan.getGuild()), "Cannot compare TextChannels that aren't from the same guild!");
if (this.getPositionRaw() == chan.getPositionRaw())
return Long.compare(id, chan.getIdLong());
return Integer.compare(rawPosition, chan.getPositionRaw());
}
// -- Setters --
public TextChannelImpl setTopic(String topic)
{
this.topic = topic;
return this;
}
public TextChannelImpl setLastMessageId(long id)
{
this.lastMessageId = id;
return this;
}
public TextChannelImpl setNSFW(boolean nsfw)
{
this.nsfw = nsfw;
return this;
}
// -- internal --
private void checkVerification()
{
if (!guild.checkVerification())
throw new VerificationLevelException(guild.getVerificationLevel());
}
}