/
TextChannelImpl.java
636 lines (543 loc) · 21.4 KB
/
TextChannelImpl.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.entities;
import net.dv8tion.jda.api.AccountType;
import net.dv8tion.jda.api.Permission;
import net.dv8tion.jda.api.entities.*;
import net.dv8tion.jda.api.exceptions.InsufficientPermissionException;
import net.dv8tion.jda.api.requests.RestAction;
import net.dv8tion.jda.api.requests.restaction.AuditableRestAction;
import net.dv8tion.jda.api.requests.restaction.ChannelAction;
import net.dv8tion.jda.api.requests.restaction.MessageAction;
import net.dv8tion.jda.api.requests.restaction.WebhookAction;
import net.dv8tion.jda.api.requests.restaction.pagination.ReactionPaginationAction;
import net.dv8tion.jda.api.utils.AttachmentOption;
import net.dv8tion.jda.api.utils.MiscUtil;
import net.dv8tion.jda.api.utils.TimeUtil;
import net.dv8tion.jda.api.utils.data.DataArray;
import net.dv8tion.jda.api.utils.data.DataObject;
import net.dv8tion.jda.internal.JDAImpl;
import net.dv8tion.jda.internal.requests.RestActionImpl;
import net.dv8tion.jda.internal.requests.Route;
import net.dv8tion.jda.internal.requests.restaction.AuditableRestActionImpl;
import net.dv8tion.jda.internal.requests.restaction.WebhookActionImpl;
import net.dv8tion.jda.internal.requests.restaction.pagination.ReactionPaginationActionImpl;
import net.dv8tion.jda.internal.utils.Checks;
import net.dv8tion.jda.internal.utils.EncodingUtil;
import javax.annotation.Nonnull;
import java.io.File;
import java.io.InputStream;
import java.io.UncheckedIOException;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
public class TextChannelImpl extends AbstractChannelImpl<TextChannel, TextChannelImpl> implements TextChannel
{
private String topic;
private long lastMessageId;
private boolean nsfw;
private int slowmode;
public TextChannelImpl(long id, GuildImpl guild)
{
super(id, guild);
}
@Override
public TextChannelImpl setPosition(int rawPosition)
{
getGuild().getTextChannelsView().clearCachedLists();
return super.setPosition(rawPosition);
}
@Nonnull
@Override
public String getAsMention()
{
return "<#" + id + '>';
}
@Nonnull
@Override
public RestAction<List<Webhook>> retrieveWebhooks()
{
checkPermission(Permission.MANAGE_WEBHOOKS);
Route.CompiledRoute route = Route.Channels.GET_WEBHOOKS.compile(getId());
JDAImpl jda = (JDAImpl) getJDA();
return new RestActionImpl<>(jda, route, (response, request) ->
{
DataArray array = response.getArray();
List<Webhook> webhooks = new ArrayList<>(array.length());
EntityBuilder builder = jda.getEntityBuilder();
for (int i = 0; i < array.length(); i++)
{
try
{
webhooks.add(builder.createWebhook(array.getObject(i)));
}
catch (UncheckedIOException | NullPointerException e)
{
JDAImpl.LOG.error("Error while creating websocket from json", e);
}
}
return Collections.unmodifiableList(webhooks);
});
}
@Nonnull
@Override
public WebhookAction createWebhook(@Nonnull String name)
{
Checks.notBlank(name, "Webhook name");
name = name.trim();
checkPermission(Permission.MANAGE_WEBHOOKS);
Checks.check(name.length() >= 2 && name.length() <= 100, "Name must be 2-100 characters in length!");
return new WebhookActionImpl(getJDA(), this, name);
}
@Nonnull
@Override
public RestAction<Void> deleteMessages(@Nonnull Collection<Message> messages)
{
Checks.notEmpty(messages, "Messages collection");
return deleteMessagesByIds(messages.stream()
.map(ISnowflake::getId)
.collect(Collectors.toList()));
}
@Nonnull
@Override
public RestAction<Void> deleteMessagesByIds(@Nonnull 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 = TimeUtil.getDiscordTimestamp((System.currentTimeMillis() - (14 * 24 * 60 * 60 * 1000)));
for (String id : messageIds)
Checks.check(MiscUtil.parseSnowflake(id) > twoWeeksAgo, "Message Id provided was older than 2 weeks. Id: " + id);
return deleteMessages0(messageIds);
}
@Nonnull
@Override
public AuditableRestAction<Void> deleteWebhookById(@Nonnull String id)
{
Checks.isSnowflake(id, "Webhook ID");
if (!getGuild().getSelfMember().hasPermission(this, Permission.MANAGE_WEBHOOKS))
throw new InsufficientPermissionException(this, Permission.MANAGE_WEBHOOKS);
Route.CompiledRoute route = Route.Webhooks.DELETE_WEBHOOK.compile(id);
return new AuditableRestActionImpl<>(getJDA(), route);
}
@Override
public boolean canTalk()
{
return canTalk(getGuild().getSelfMember());
}
@Override
public boolean canTalk(@Nonnull Member member)
{
if (!getGuild().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);
}
@Nonnull
@Override
public List<CompletableFuture<Void>> purgeMessages(@Nonnull List<? extends Message> messages)
{
if (messages == null || messages.isEmpty())
return Collections.emptyList();
boolean hasPerms = getGuild().getSelfMember().hasPermission(this, Permission.MESSAGE_MANAGE);
if (!hasPerms)
{
for (Message m : messages)
{
if (m.getAuthor().equals(getJDA().getSelfUser()))
continue;
throw new InsufficientPermissionException(this, Permission.MESSAGE_MANAGE, "Cannot delete messages of other users");
}
}
return TextChannel.super.purgeMessages(messages);
}
@Nonnull
@Override
@SuppressWarnings("ConstantConditions")
public List<CompletableFuture<Void>> purgeMessagesById(@Nonnull long... messageIds)
{
if (messageIds == null || messageIds.length == 0)
return Collections.emptyList();
if (getJDA().getAccountType() != AccountType.BOT
|| !getGuild().getSelfMember().hasPermission(this, Permission.MESSAGE_MANAGE))
return TextChannel.super.purgeMessagesById(messageIds);
// remove duplicates and sort messages
List<CompletableFuture<Void>> list = new LinkedList<>();
TreeSet<Long> bulk = new TreeSet<>(Comparator.reverseOrder());
TreeSet<Long> norm = new TreeSet<>(Comparator.reverseOrder());
long twoWeeksAgo = TimeUtil.getDiscordTimestamp(System.currentTimeMillis() - (14 * 24 * 60 * 60 * 1000) + 10000);
for (long messageId : messageIds)
{
if (messageId > twoWeeksAgo)
bulk.add(messageId);
else
norm.add(messageId);
}
// delete chunks of 100 messages each
if (!bulk.isEmpty())
{
List<String> toDelete = new ArrayList<>(100);
while (!bulk.isEmpty())
{
toDelete.clear();
for (int i = 0; i < 100 && !bulk.isEmpty(); i++)
toDelete.add(Long.toUnsignedString(bulk.pollLast()));
if (toDelete.size() == 1)
list.add(deleteMessageById(toDelete.get(0)).submit());
else if (!toDelete.isEmpty())
list.add(deleteMessages0(toDelete).submit());
}
}
// delete messages too old for bulk delete
if (!norm.isEmpty())
{
for (long message : norm)
list.add(deleteMessageById(message).submit());
}
return list;
}
@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;
}
@Nonnull
@Override
public ChannelType getType()
{
return ChannelType.TEXT;
}
@Override
public String getTopic()
{
return topic;
}
@Override
public boolean isNSFW()
{
return nsfw;
}
@Override
public int getSlowmode()
{
return slowmode;
}
@Nonnull
@Override
public List<Member> getMembers()
{
return Collections.unmodifiableList(getGuild().getMembersView().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.getTextChannelsView because
// getTextChannels does the sorting logic.
List<GuildChannel> channels = new ArrayList<>(getGuild().getTextChannels());
channels.addAll(getGuild().getStoreChannels());
Collections.sort(channels);
for (int i = 0; i < channels.size(); i++)
{
if (equals(channels.get(i)))
return i;
}
throw new IllegalStateException("Somehow when determining position we never found the TextChannel in the Guild's channels? wtf?");
}
@Nonnull
@Override
public ChannelAction<TextChannel> createCopy(@Nonnull Guild guild)
{
Checks.notNull(guild, "Guild");
ChannelAction<TextChannel> action = guild.createTextChannel(name).setNSFW(nsfw).setTopic(topic).setSlowmode(slowmode);
if (guild.equals(getGuild()))
{
Category parent = getParent();
if (parent != null)
action.setParent(parent);
for (PermissionOverride o : overrides.valueCollection())
{
if (o.isMemberOverride())
action.addMemberPermissionOverride(o.getIdLong(), o.getAllowedRaw(), o.getDeniedRaw());
else
action.addRolePermissionOverride(o.getIdLong(), o.getAllowedRaw(), o.getDeniedRaw());
}
}
return action;
}
@Nonnull
@Override
public MessageAction sendMessage(@Nonnull CharSequence text)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
return TextChannel.super.sendMessage(text);
}
@Nonnull
@Override
public MessageAction sendMessage(@Nonnull MessageEmbed embed)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
// this is checked because you cannot send an empty message
checkPermission(Permission.MESSAGE_EMBED_LINKS);
return TextChannel.super.sendMessage(embed);
}
@Nonnull
@Override
public MessageAction sendMessage(@Nonnull Message msg)
{
Checks.notNull(msg, "Message");
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
if (msg.getContentRaw().isEmpty() && !msg.getEmbeds().isEmpty())
checkPermission(Permission.MESSAGE_EMBED_LINKS);
//Call MessageChannel's default
return TextChannel.super.sendMessage(msg);
}
@Nonnull
@Override
public MessageAction sendFile(@Nonnull File file, @Nonnull String fileName, @Nonnull AttachmentOption... options)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
checkPermission(Permission.MESSAGE_ATTACH_FILES);
final long maxSize = getGuild().getMaxFileSize();
Checks.check(file == null || file.length() <= maxSize,
"File may not exceed the maximum file length of %d bytes!", maxSize);
//Call MessageChannel's default method
return TextChannel.super.sendFile(file, fileName, options);
}
@Nonnull
@Override
public MessageAction sendFile(@Nonnull InputStream data, @Nonnull String fileName, @Nonnull AttachmentOption... options)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
checkPermission(Permission.MESSAGE_ATTACH_FILES);
//Call MessageChannel's default method
return TextChannel.super.sendFile(data, fileName, options);
}
@Nonnull
@Override
public MessageAction sendFile(@Nonnull byte[] data, @Nonnull String fileName, @Nonnull AttachmentOption... options)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
checkPermission(Permission.MESSAGE_ATTACH_FILES);
final long maxSize = getGuild().getMaxFileSize();
Checks.check(data == null || data.length <= maxSize, "File is too big! Max file-size is %d bytes", maxSize);
//Call MessageChannel's default method
return TextChannel.super.sendFile(data, fileName, options);
}
@Nonnull
@Override
public RestAction<Message> retrieveMessageById(@Nonnull String messageId)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.retrieveMessageById(messageId);
}
@Nonnull
@Override
public AuditableRestAction<Void> deleteMessageById(@Nonnull String messageId)
{
Checks.isSnowflake(messageId, "Message ID");
checkPermission(Permission.MESSAGE_READ);
//Call MessageChannel's default method
return TextChannel.super.deleteMessageById(messageId);
}
@Nonnull
@Override
public RestAction<Void> pinMessageById(@Nonnull 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);
}
@Nonnull
@Override
public RestAction<Void> unpinMessageById(@Nonnull 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);
}
@Nonnull
@Override
public RestAction<List<Message>> retrievePinnedMessages()
{
checkPermission(Permission.MESSAGE_READ, "Cannot get the pinned message of a channel without MESSAGE_READ access.");
//Call MessageChannel's default method
return TextChannel.super.retrievePinnedMessages();
}
@Nonnull
@Override
public RestAction<Void> addReactionById(@Nonnull String messageId, @Nonnull String unicode)
{
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.addReactionById(messageId, unicode);
}
@Nonnull
@Override
public RestAction<Void> addReactionById(@Nonnull String messageId, @Nonnull Emote emote)
{
checkPermission(Permission.MESSAGE_HISTORY);
//Call MessageChannel's default method
return TextChannel.super.addReactionById(messageId, emote);
}
@Nonnull
@Override
public RestAction<Void> clearReactionsById(@Nonnull String messageId)
{
Checks.isSnowflake(messageId, "Message ID");
checkPermission(Permission.MESSAGE_MANAGE);
final Route.CompiledRoute route = Route.Messages.REMOVE_ALL_REACTIONS.compile(getId(), messageId);
return new RestActionImpl<>(getJDA(), route);
}
@Nonnull
@Override
public RestAction<Void> clearReactionsById(@Nonnull String messageId, @Nonnull String unicode)
{
Checks.notNull(messageId, "Message ID");
Checks.notNull(unicode, "Emote Name");
checkPermission(Permission.MESSAGE_MANAGE);
String code = EncodingUtil.encodeReaction(unicode);
Route.CompiledRoute route = Route.Messages.CLEAR_EMOTE_REACTIONS.compile(getId(), messageId, code);
return new RestActionImpl<>(getJDA(), route);
}
@Nonnull
@Override
public RestAction<Void> clearReactionsById(@Nonnull String messageId, @Nonnull Emote emote)
{
Checks.notNull(emote, "Emote");
return clearReactionsById(messageId, emote.getName() + ":" + emote.getId());
}
@Nonnull
@Override
public RestActionImpl<Void> removeReactionById(@Nonnull String messageId, @Nonnull String unicode, @Nonnull User user)
{
Checks.isSnowflake(messageId, "Message ID");
Checks.notNull(unicode, "Provided Unicode");
unicode = unicode.trim();
Checks.notEmpty(unicode, "Provided Unicode");
Checks.notNull(user, "User");
if (!getJDA().getSelfUser().equals(user))
checkPermission(Permission.MESSAGE_MANAGE);
final String encoded = EncodingUtil.encodeReaction(unicode);
String targetUser;
if (user.equals(getJDA().getSelfUser()))
targetUser = "@me";
else
targetUser = user.getId();
final Route.CompiledRoute route = Route.Messages.REMOVE_REACTION.compile(getId(), messageId, encoded, targetUser);
return new RestActionImpl<>(getJDA(), route);
}
@Nonnull
@Override
public ReactionPaginationAction retrieveReactionUsersById(@Nonnull String messageId, @Nonnull String unicode)
{
Checks.isSnowflake(messageId, "Message ID");
Checks.notEmpty(unicode, "Emoji");
Checks.noWhitespace(unicode, "Emoji");
checkPermission(Permission.MESSAGE_HISTORY);
return new ReactionPaginationActionImpl(this, messageId, EncodingUtil.encodeUTF8(unicode));
}
@Nonnull
@Override
public ReactionPaginationAction retrieveReactionUsersById(@Nonnull String messageId, @Nonnull Emote emote)
{
Checks.isSnowflake(messageId, "Message ID");
Checks.notNull(emote, "Emote");
checkPermission(Permission.MESSAGE_HISTORY);
return new ReactionPaginationActionImpl(this, messageId, String.format("%s:%s", emote, emote.getId()));
}
@Nonnull
@Override
public MessageAction editMessageById(@Nonnull String messageId, @Nonnull CharSequence newContent)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
return TextChannel.super.editMessageById(messageId, newContent);
}
@Nonnull
@Override
public MessageAction editMessageById(@Nonnull String messageId, @Nonnull MessageEmbed newEmbed)
{
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
checkPermission(Permission.MESSAGE_EMBED_LINKS);
return TextChannel.super.editMessageById(messageId, newEmbed);
}
@Nonnull
@Override
public MessageAction editMessageById(@Nonnull String id, @Nonnull Message newContent)
{
Checks.notNull(newContent, "Message");
//checkVerification(); no verification needed to edit a message
checkPermission(Permission.MESSAGE_READ);
checkPermission(Permission.MESSAGE_WRITE);
if (newContent.getContentRaw().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 + ')';
}
// -- 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;
}
public TextChannelImpl setSlowmode(int slowmode)
{
this.slowmode = slowmode;
return this;
}
// -- internal --
private RestActionImpl<Void> deleteMessages0(Collection<String> messageIds)
{
DataObject body = DataObject.empty().put("messages", messageIds);
Route.CompiledRoute route = Route.Messages.DELETE_MESSAGES.compile(getId());
return new RestActionImpl<>(getJDA(), route, body);
}
}