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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.entities.mentions;
import gnu.trove.map.TLongObjectMap;
import gnu.trove.map.hash.TLongObjectHashMap;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.entities.*;
import net.dv8tion.jda.api.entities.channel.middleman.GuildChannel;
import net.dv8tion.jda.api.entities.emoji.CustomEmoji;
import net.dv8tion.jda.api.entities.emoji.Emoji;
import net.dv8tion.jda.api.interactions.commands.ICommandReference;
import net.dv8tion.jda.api.interactions.commands.SlashCommandReference;
import net.dv8tion.jda.api.utils.MiscUtil;
import net.dv8tion.jda.internal.JDAImpl;
import net.dv8tion.jda.internal.entities.GuildImpl;
import net.dv8tion.jda.internal.utils.Checks;
import net.dv8tion.jda.internal.utils.Helpers;
import org.apache.commons.collections4.Bag;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.collections4.bag.HashBag;
import javax.annotation.Nonnull;
import java.util.*;
import java.util.function.Function;
import java.util.regex.Matcher;
import java.util.stream.Collector;
import java.util.stream.Collectors;
public abstract class AbstractMentions implements Mentions
{
protected final String content;
protected final JDAImpl jda;
protected final GuildImpl guild;
protected final boolean mentionsEveryone;
protected List mentionedUsers;
protected List mentionedMembers;
protected List mentionedRoles;
protected List mentionedChannels;
protected List mentionedEmojis;
protected List mentionedSlashCommands;
public AbstractMentions(String content, JDAImpl jda, GuildImpl guild, boolean mentionsEveryone)
{
this.content = content;
this.jda = jda;
this.guild = guild;
this.mentionsEveryone = mentionsEveryone;
}
@Nonnull
@Override
public JDA getJDA()
{
return jda;
}
@Override
public boolean mentionsEveryone()
{
return mentionsEveryone;
}
@Nonnull
@Override
public synchronized List getUsers()
{
if (mentionedUsers != null)
return mentionedUsers;
return mentionedUsers = processMentions(Message.MentionType.USER, true, this::matchUser, Helpers.toUnmodifiableList());
}
@Nonnull
@Override
public Bag getUsersBag()
{
Bag bag = processMentions(Message.MentionType.USER, false, this::matchUser, toBag());
// Handle reply mentions
for (User user : getUsers())
{
if (!bag.contains(user))
bag.add(user, 1);
}
return bag;
}
@Nonnull
@Override
public synchronized List getChannels()
{
if (mentionedChannels != null)
return mentionedChannels;
return mentionedChannels = processMentions(Message.MentionType.CHANNEL, true, this::matchChannel, Helpers.toUnmodifiableList());
}
@Nonnull
@Override
public Bag getChannelsBag()
{
return processMentions(Message.MentionType.CHANNEL, false, this::matchChannel, toBag());
}
@Nonnull
@Override
public List getChannels(@Nonnull Class clazz)
{
Checks.notNull(clazz, "clazz");
return getChannels().stream()
.filter(clazz::isInstance)
.map(clazz::cast)
.collect(Collectors.toList());
}
@Nonnull
@Override
public Bag getChannelsBag(@Nonnull Class clazz)
{
Checks.notNull(clazz, "clazz");
Function matchTypedChannel = matcher -> {
GuildChannel channel = this.matchChannel(matcher);
return clazz.isInstance(channel) ? clazz.cast(channel) : null;
};
return processMentions(Message.MentionType.CHANNEL, false, matchTypedChannel, toBag());
}
@Nonnull
@Override
public synchronized List getRoles()
{
if (guild == null)
return Collections.emptyList();
if (mentionedRoles != null)
return mentionedRoles;
return mentionedRoles = processMentions(Message.MentionType.ROLE, true, this::matchRole, Helpers.toUnmodifiableList());
}
@Nonnull
@Override
public Bag getRolesBag()
{
if (guild == null)
return new HashBag<>();
return processMentions(Message.MentionType.ROLE, false, this::matchRole, toBag());
}
@Nonnull
@Override
public synchronized List getCustomEmojis()
{
if (mentionedEmojis != null)
return mentionedEmojis;
return mentionedEmojis = processMentions(Message.MentionType.EMOJI, true, this::matchEmoji, Helpers.toUnmodifiableList());
}
@Nonnull
@Override
public Bag getCustomEmojisBag()
{
return processMentions(Message.MentionType.EMOJI, false, this::matchEmoji, toBag());
}
@Nonnull
@Override
public synchronized List getMembers()
{
if (guild == null)
return Collections.emptyList();
if (mentionedMembers != null)
return mentionedMembers;
return mentionedMembers = processMentions(Message.MentionType.USER, true, this::matchMember, Helpers.toUnmodifiableList());
}
@Nonnull
@Override
public Bag getMembersBag()
{
if (guild == null)
return new HashBag<>();
Bag bag = processMentions(Message.MentionType.USER, false, this::matchMember, toBag());
// Handle reply mentions
for (Member member : getMembers())
{
if (!bag.contains(member))
bag.add(member, 1);
}
return bag;
}
@Nonnull
@Override
public synchronized List getSlashCommands()
{
if (mentionedSlashCommands != null)
return mentionedSlashCommands;
return mentionedSlashCommands = processMentions(Message.MentionType.SLASH_COMMAND, true, this::matchSlashCommand, Helpers.toUnmodifiableList());
}
@Nonnull
@Override
public Bag getSlashCommandsBag()
{
return processMentions(Message.MentionType.SLASH_COMMAND, false, this::matchSlashCommand, toBag());
}
@Nonnull
@Override
@SuppressWarnings("ConstantConditions")
public List getMentions(@Nonnull Message.MentionType... types)
{
if (types == null || types.length == 0)
return getMentions(Message.MentionType.values());
List mentions = new ArrayList<>();
// Conversion to set to prevent duplication of types
for (Message.MentionType type : EnumSet.of(types[0], types))
{
switch (type)
{
case CHANNEL:
mentions.addAll(getChannels());
break;
case USER:
TLongObjectMap set = new TLongObjectHashMap<>();
for (User u : getUsers())
set.put(u.getIdLong(), u);
for (Member m : getMembers())
set.put(m.getIdLong(), m);
mentions.addAll(set.valueCollection());
break;
case ROLE:
mentions.addAll(getRoles());
break;
case EMOJI:
mentions.addAll(getCustomEmojis());
break;
case SLASH_COMMAND:
mentions.addAll(getSlashCommands());
break;
// case EVERYONE:
// case HERE:
// default: continue;
}
}
// Sort mentions by occurrence
mentions.sort(Comparator.comparingInt(it -> content.indexOf(it.getId())));
return Collections.unmodifiableList(mentions);
}
@Override
public boolean isMentioned(@Nonnull IMentionable mentionable, @Nonnull Message.MentionType... types)
{
Checks.notNull(types, "Mention Types");
if (types.length == 0)
return isMentioned(mentionable, Message.MentionType.values());
for (Message.MentionType type : types)
{
switch (type)
{
case HERE:
if (isMass("@here") && mentionable instanceof UserSnowflake)
return true;
break;
case EVERYONE:
if (isMass("@everyone") && mentionable instanceof UserSnowflake)
return true;
break;
case USER:
if (isUserMentioned(mentionable))
return true;
break;
case ROLE:
if (isRoleMentioned(mentionable))
return true;
break;
case CHANNEL:
if (mentionable instanceof GuildChannel && getChannels().contains(mentionable))
return true;
break;
case EMOJI:
if (mentionable instanceof CustomEmoji && getCustomEmojis().contains(mentionable))
return true;
break;
case SLASH_COMMAND:
if (isSlashCommandMentioned(mentionable))
return true;
break;
// default: continue;
}
}
return false;
}
// Internal parsing methods
protected > C processMentions(Message.MentionType type, boolean distinct, Function mapping, Collector collector)
{
A accumulator = collector.supplier().get();
Matcher matcher = type.getPattern().matcher(content);
Set unique = distinct ? new HashSet<>() : null;
while (matcher.find())
{
try
{
T elem = mapping.apply(matcher);
if (elem != null && (unique == null || unique.add(elem)))
collector.accumulator().accept(accumulator, elem);
}
catch (NumberFormatException ignored) {}
}
return collector.finisher().apply(accumulator);
}
protected static Collector> toBag()
{
return Collectors.toCollection(HashBag::new);
}
protected abstract User matchUser(Matcher matcher);
protected abstract Member matchMember(Matcher matcher);
protected abstract GuildChannel matchChannel(Matcher matcher);
protected abstract Role matchRole(Matcher matcher);
protected CustomEmoji matchEmoji(Matcher m)
{
long emojiId = MiscUtil.parseSnowflake(m.group(2));
String name = m.group(1);
boolean animated = m.group(0).startsWith("