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Shard.js
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Shard.js
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"use strict";
const Bucket = require("../util/Bucket");
const Call = require("../structures/Call");
const Channel = require("../structures/Channel");
const GroupChannel = require("../structures/GroupChannel");
const GuildChannel = require("../structures/GuildChannel");
const PrivateChannel = require("../structures/PrivateChannel");
const Constants = require("../Constants");
const ExtendedUser = require("../structures/ExtendedUser");
const OPCodes = Constants.GatewayOPCodes;
const User = require("../structures/User");
let WebSocket = typeof window !== "undefined" ? window.WebSocket : require("ws");
let EventEmitter;
try {
EventEmitter = require("eventemitter3");
} catch(err) {
EventEmitter = require("events").EventEmitter;
}
let Erlpack;
try {
Erlpack = require("erlpack");
} catch(err) { // eslint-disable no-empty
}
let ZlibSync;
try {
ZlibSync = require("zlib-sync");
} catch(err) {
try {
ZlibSync = require("pako");
} catch(err) { // eslint-disable no-empty
}
}
try {
WebSocket = require("uws");
} catch(err) { // eslint-disable no-empty
}
/**
* Represents a shard
* @extends EventEmitter
* @prop {Number} id The ID of the shard
* @prop {Boolean} connecting Whether the shard is connecting
* @prop {Boolean} ready Whether the shard is ready
* @prop {Array<String>?} discordServerTrace Debug trace of Discord servers
* @prop {String} status The status of the shard. "disconnected"/"connecting"/"handshaking"/"ready"
* @prop {Number} lastHeartbeatReceived Last time Discord acknowledged a heartbeat, null if shard has not sent heartbeat yet
* @prop {Number} lastHeartbeatSent Last time shard sent a heartbeat, null if shard has not sent heartbeat yet
* @prop {Number} latency The current latency between the shard and Discord, in milliseconds
*/
class Shard extends EventEmitter {
constructor(id, client) {
super();
this.id = id;
this.client = client;
this.onWSMessage = this.onWSMessage.bind(this);
this.hardReset();
}
get latency() {
return this.lastHeartbeatSent && this.lastHeartbeatReceived ? this.lastHeartbeatReceived - this.lastHeartbeatSent : Infinity;
}
/**
* Tells the shard to connect
*/
connect() {
if(this.ws && this.ws.readyState != WebSocket.CLOSED) {
this.emit("error", new Error("Existing connection detected"), this.id);
return;
}
++this.connectAttempts;
this.connecting = true;
return this.initializeWS();
}
/**
* Disconnects the shard
* @arg {Object?} [options] Shard disconnect options
* @arg {String | Boolean} [options.reconnect] false means destroy everything, true means you want to reconnect in the future, "auto" will autoreconnect
*/
disconnect(options = {}, error) {
if(!this.ws) {
return;
}
if(this.heartbeatInterval) {
clearInterval(this.heartbeatInterval);
this.heartbeatInterval = null;
}
this.ws.onclose = undefined;
try {
if(options.reconnect && this.sessionID) {
this.ws.terminate();
} else {
this.ws.close(1000);
}
} catch(err) {
/**
* Fired when the shard encounters an error
* @event Client#error
* @prop {Error} err The error
* @prop {Number} id The ID of the shard
*/
this.emit("error", err, this.id);
}
/**
* Fired when the shard disconnects
* @event Shard#disconnect
* @prop {Error?} err The error, if any
*/
super.emit("disconnect", error || null);
this.ws = null;
this.reset();
if(options.reconnect === "auto" && this.client.options.autoreconnect) {
/**
* Fired when stuff happens and gives more info
* @event Client#debug
* @prop {String} message The debug message
* @prop {Number} id The ID of the shard
*/
if(this.sessionID) {
this.emit("debug", `Immediately reconnecting for potential resume | Attempt ${this.connectAttempts}`, this.id);
this.client.shards.connect(this);
} else {
this.emit("debug", `Queueing reconnect in ${this.reconnectInterval}ms | Attempt ${this.connectAttempts}`, this.id);
setTimeout(() => {
this.client.shards.connect(this);
}, this.reconnectInterval);
this.reconnectInterval = Math.min(Math.round(this.reconnectInterval * (Math.random() * 2 + 1)), 30000);
}
} else if(!options.reconnect) {
this.hardReset();
}
}
reset() {
this.connecting = false;
this.ready = false;
this.preReady = false;
this.getAllUsersCount = {};
this.getAllUsersQueue = [];
this.getAllUsersLength = 1;
this.guildSyncQueue = [];
this.guildSyncQueueLength = 1;
this.unsyncedGuilds = 0;
this.lastHeartbeatAck = true;
this.lastHeartbeatReceived = null;
this.lastHeartbeatSent = null;
this.status = "disconnected";
}
hardReset() {
this.reset();
this.seq = 0;
this.sessionID = null;
this.reconnectInterval = 1000;
this.connectAttempts = 0;
this.ws = null;
this.heartbeatInterval = null;
this.guildCreateTimeout = null;
this.globalBucket = new Bucket(120, 60000);
this.presenceUpdateBucket = new Bucket(5, 60000);
this.presence = JSON.parse(JSON.stringify(this.client.presence)); // Fast copy
}
resume() {
this.status = "resuming";
this.sendWS(OPCodes.RESUME, {
token: this.client.token,
session_id: this.sessionID,
seq: this.seq
}, true);
}
identify() {
if(this.client.options.compress && !ZlibSync) {
this.emit("error", new Error("pako/zlib-sync not found, cannot decompress data"));
return;
}
const identify = {
token: this.client.token,
v: Constants.GATEWAY_VERSION,
compress: !!this.client.options.compress,
large_threshold: this.client.options.largeThreshold,
guild_subscriptions: !!this.client.options.guildSubscriptions,
properties: {
"os": process.platform,
"browser": "Eris",
"device": "Eris"
}
};
if(this.client.options.maxShards > 1) {
identify.shard = [this.id, this.client.options.maxShards];
}
if(this.presence.status) {
identify.presence = this.presence;
}
this.sendWS(OPCodes.IDENTIFY, identify, true);
}
wsEvent(packet) {
switch(packet.t) { /* eslint-disable no-redeclare */ // (╯°□°）╯︵ ┻━┻
case "PRESENCE_UPDATE": {
if(packet.d.user.username !== undefined) {
let user = this.client.users.get(packet.d.user.id);
let oldUser = null;
if(user && (user.username !== packet.d.user.username || user.avatar !== packet.d.user.avatar || user.discriminator !== packet.d.user.discriminator)) {
oldUser = {
username: user.username,
discriminator: user.discriminator,
avatar: user.avatar
};
}
if(!user || oldUser) {
user = this.client.users.update(packet.d.user, this.client);
/**
* Fired when a user's username, avatar, or discriminator changes
* @event Client#userUpdate
* @prop {User} user The updated user
* @prop {Object?} oldUser The old user data
* @prop {String} oldUser.username The username of the user
* @prop {String} oldUser.discriminator The discriminator of the user
* @prop {String?} oldUser.avatar The hash of the user's avatar, or null if no avatar
*/
this.emit("userUpdate", user, oldUser);
}
}
if(!packet.d.guild_id) {
packet.d.id = packet.d.user.id;
const relationship = this.client.relationships.get(packet.d.id);
if(!relationship) { // Removing relationships
break;
}
const oldPresence = {
game: relationship.game,
status: relationship.status
};
/**
* Fired when a guild member or relationship's status or game changes
* @event Client#presenceUpdate
* @prop {Member | Relationship} other The updated member or relationship
* @prop {Object?} oldPresence The old presence data. If the user was offline when the bot started and the client option getAllUsers is not true, this will be null
* @prop {String} oldPresence.status The other user's old status. Either "online", "idle", or "offline"
* @prop {Object?} oldPresence.game The old game the other user was playing
* @prop {String} oldPresence.game.name The name of the active game
* @prop {Number} oldPresence.game.type The type of the active game (0 is default, 1 is Twitch, 2 is YouTube)
* @prop {String} oldPresence.game.url The url of the active game
*/
this.emit("presenceUpdate", this.client.relationships.update(packet.d), oldPresence);
break;
}
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", "Rogue presence update: " + JSON.stringify(packet), this.id);
break;
}
let member = guild.members.get(packet.d.id = packet.d.user.id);
if(member && JSON.stringify(member.game) === JSON.stringify(packet.d.game) && member.status === packet.d.status) {
this.emit("debug", "Duplicate presence update: " + JSON.stringify(packet));
break;
}
let oldPresence = null;
if(member) {
oldPresence = {
game: member.game,
status: member.status,
clientStatus: member.clientStatus,
activities: member.activities
};
}
if((!member && packet.d.user.username) || oldPresence) {
member = guild.members.update(packet.d, guild);
this.emit("presenceUpdate", member, oldPresence);
}
break;
}
case "VOICE_STATE_UPDATE": { // (╯°□°）╯︵ ┻━┻
if(packet.d.guild_id === undefined) {
packet.d.id = packet.d.user_id;
if(packet.d.channel_id === null) {
let flag = false;
for(const groupChannel of this.client.groupChannels) {
const call = (groupChannel[1].call || groupChannel[1].lastCall);
if(call && call.voiceStates.remove(packet.d)) {
flag = true;
break;
}
}
if(!flag) {
for(const privateChannel of this.client.privateChannels) {
const call = (privateChannel[1].call || privateChannel[1].lastCall);
if(call && call.voiceStates.remove(packet.d)) {
flag = true;
break;
}
}
if(!flag) {
this.emit("debug", new Error("VOICE_STATE_UPDATE for user leaving call not found"));
break;
}
}
} else {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel.call && !channel.lastCall) {
this.emit("debug", new Error("VOICE_STATE_UPDATE for untracked call"));
break;
}
(channel.call || channel.lastCall).voiceStates.update(packet.d);
}
break;
}
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
break;
}
if(guild.pendingVoiceStates) {
guild.pendingVoiceStates.push(packet.d);
break;
}
const member = guild.members.get(packet.d.id = packet.d.user_id);
if(!member) {
const channel = guild.channels.find((channel) => channel.type === 2 && channel.voiceMembers.get(packet.d.id));
if(channel) {
channel.voiceMembers.remove(packet.d);
this.emit("debug", "VOICE_STATE_UPDATE member null but in channel: " + packet.d.id, this.id);
break;
}
break;
}
const oldState = {
mute: member.voiceState.mute,
deaf: member.voiceState.deaf,
selfMute: member.voiceState.selfMute,
selfDeaf: member.voiceState.selfDeaf
};
const oldChannelID = member.voiceState.channelID;
member.update(packet.d, this.client);
if(member.user.id === this.client.user.id) {
const voiceConnection = this.client.voiceConnections.get(packet.d.guild_id);
if(voiceConnection && voiceConnection.channelID !== packet.d.channel_id) {
voiceConnection.switchChannel(packet.d.channel_id, true);
}
}
if(oldChannelID != packet.d.channel_id) {
let oldChannel, newChannel;
if(oldChannelID) {
oldChannel = guild.channels.get(oldChannelID);
}
if(packet.d.channel_id && (newChannel = guild.channels.get(packet.d.channel_id)) && newChannel.type === 2) { // Welcome to Discord, where one can "join" text channels
if(oldChannel) {
/**
* Fired when a guild member switches voice channels
* @event Client#voiceChannelSwitch
* @prop {Member} member The member
* @prop {CategoryChannel | TextChannel | VoiceChannel} newChannel The new voice channel
* @prop {CategoryChannel | TextChannel | VoiceChannel} oldChannel The old voice channel
*/
oldChannel.voiceMembers.remove(member);
this.emit("voiceChannelSwitch", newChannel.voiceMembers.add(member, guild), newChannel, oldChannel);
} else {
/**
* Fired when a guild member joins a voice channel. This event is not fired when a member switches voice channels, see `voiceChannelSwitch`
* @event Client#voiceChannelJoin
* @prop {Member} member The member
* @prop {CategoryChannel | TextChannel | VoiceChannel} newChannel The voice channel
*/
this.emit("voiceChannelJoin", newChannel.voiceMembers.add(member, guild), newChannel);
}
} else if(oldChannel) {
/**
* Fired when a guild member leaves a voice channel. This event is not fired when a member switches voice channels, see `voiceChannelSwitch`
* @event Client#voiceChannelLeave
* @prop {Member} member The member
* @prop {CategoryChannel | TextChannel | VoiceChannel} oldChannel The voice channel
*/
this.emit("voiceChannelLeave", oldChannel.voiceMembers.remove(member), oldChannel);
}
}
if(oldState.mute !== member.mute || oldState.deaf !== member.deaf || oldState.selfMute !== member.selfMute || oldState.selfDeaf !== member.selfDeaf) {
/**
* Fired when a guild member's voice state changes
* @event Client#voiceStateUpdate
* @prop {Member} member The member
* @prop {Object} oldState The old voice state
* @prop {Boolean} oldState.mute The previous server mute status
* @prop {Boolean} oldState.deaf The previous server deaf status
* @prop {Boolean} oldState.selfMute The previous self mute status
* @prop {Boolean} oldState.selfDeaf The previous self deaf status
*/
this.emit("voiceStateUpdate", member, oldState);
}
break;
}
case "TYPING_START": {
if(this.client.listeners("typingStart").length > 0) {
/**
* Fired when a user begins typing
* @event Client#typingStart
* @prop {PrivateChannel | TextChannel} channel The text channel the user is typing in
* @prop {User} user The user
*/
this.emit("typingStart", this.client.getChannel(packet.d.channel_id), this.client.users.get(packet.d.user_id));
}
break;
}
case "MESSAGE_CREATE": {
const channel = this.client.getChannel(packet.d.channel_id);
if(channel) { // MESSAGE_CREATE just when deleting o.o
channel.lastMessageID = packet.d.id;
/**
* Fired when a message is created
* @event Client#messageCreate
* @prop {Message} message The message
*/
this.emit("messageCreate", channel.messages.add(packet.d, this.client));
} else {
this.emit("debug", "MESSAGE_CREATE but channel not found (OK if deleted channel)", this.id);
}
break;
}
case "MESSAGE_UPDATE": {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel) {
break;
}
const message = channel.messages.get(packet.d.id);
let oldMessage = null;
if(message) {
oldMessage = {
attachments: message.attachments,
content: message.content,
embeds: message.embeds,
editedTimestamp: message.editedTimestamp,
mentionedBy: message.mentionedBy,
mentions: message.mentions,
roleMentions: message.roleMentions,
channelMentions: message.channelMentions,
tts: message.tts,
pinned: message.pinned
};
} else if(!packet.d.timestamp) {
packet.d.channel = channel;
this.emit("messageUpdate", packet.d, null);
break;
}
/**
* Fired when a message is updated
* @event Client#messageUpdate
* @prop {Message} message The updated message. If oldMessage is null, it is recommended to discard this event, since the message data will be very incomplete (only `id` and `channel` are guaranteed)
* @prop {Object?} oldMessage The old message data. If the message was cached, this will return the full old message. Otherwise, it will be null
* @prop {Object[]} oldMessage.attachments Array of attachments
* @prop {Object[]} oldMessage.embeds Array of embeds
* @prop {String} oldMessage.content Message content
* @prop {Number} oldMessage.editedTimestamp Timestamp of latest message edit
* @prop {Object} oldMessage.mentionedBy Object of if different things mention the bot user
* @prop {Boolean} oldMessage.pinned Whether the message was pinned or not
* @prop {Boolean} oldMessage.tts Whether to play the message using TTS or not
* @prop {String[]} oldMessage.mentions Array of mentioned users' ids
* @prop {String[]} oldMessage.roleMentions Array of mentioned roles' ids.
* @prop {String[]} oldMessage.channelMentions Array of mentions channels' ids.
*/
this.emit("messageUpdate", channel.messages.update(packet.d, this.client), oldMessage);
break;
}
case "MESSAGE_DELETE": {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel) {
break;
}
/**
* Fired when a cached message is deleted
* @event Client#messageDelete
* @prop {Message | Object} message The message object. If the message is not cached, this will be an object with `id` and `channel` keys. No other property is guaranteed
*/
this.emit("messageDelete", channel.messages.remove(packet.d) || {
id: packet.d.id,
channel: channel
});
break;
}
case "MESSAGE_DELETE_BULK": {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel) {
break;
}
/**
* Fired when a bulk delete occurs
* @event Client#messageDeleteBulk
* @prop {Message[] | Object[]} messages An array of (potentially partial) message objects. If a message is not cached, it will be an object with `id` and `channel` keys. No other property is guaranteed
*/
this.emit("messageDeleteBulk", packet.d.ids.map((id) => (channel.messages.remove({
id
}) || {
id,
channel
})));
break;
}
case "MESSAGE_REACTION_ADD": {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel) {
break;
}
const message = channel.messages.get(packet.d.message_id);
if(message) {
const reaction = packet.d.emoji.id ? `${packet.d.emoji.name}:${packet.d.emoji.id}` : packet.d.emoji.name;
if(message.reactions[reaction]) {
++message.reactions[reaction].count;
if(packet.d.user_id === this.client.user.id) {
message.reactions[reaction].me = true;
}
} else {
message.reactions[reaction] = {
count: 1,
me: packet.d.user_id === this.client.user.id
};
}
}
/**
* Fired when someone adds a reaction to a message
* @event Client#messageReactionAdd
* @prop {Message | Object} message The message object. If the message is not cached, this will be an object with `id` and `channel` keys. No other property is guaranteed
* @prop {Object} emoji The reaction emoji object
* @prop {String?} emoji.id The emoji ID (null for non-custom emojis)
* @prop {String} emoji.name The emoji name
* @prop {String} userID The ID of the user that added the reaction
*/
this.emit("messageReactionAdd", message || {
id: packet.d.message_id,
channel: channel
}, packet.d.emoji, packet.d.user_id);
break;
}
case "MESSAGE_REACTION_REMOVE": {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel) {
break;
}
const message = channel.messages.get(packet.d.message_id);
if(message) {
const reaction = packet.d.emoji.id ? `${packet.d.emoji.name}:${packet.d.emoji.id}` : packet.d.emoji.name;
if(message.reactions[reaction]) {
--message.reactions[reaction].count;
if(packet.d.user_id === this.client.user.id) {
message.reactions[reaction].me = false;
}
}
}
/**
* Fired when someone removes a reaction from a message
* @event Client#messageReactionRemove
* @prop {Message | Object} message The message object. If the message is not cached, this will be an object with `id` and `channel` keys. No other property is guaranteed
* @prop {Object} emoji The reaction emoji object
* @prop {String?} emoji.id The ID of the emoji (null for non-custom emojis)
* @prop {String} emoji.name The emoji name
* @prop {String} userID The ID of the user that removed the reaction
*/
this.emit("messageReactionRemove", message || {
id: packet.d.message_id,
channel: channel
}, packet.d.emoji, packet.d.user_id);
break;
}
case "MESSAGE_REACTION_REMOVE_ALL": {
const channel = this.client.getChannel(packet.d.channel_id);
if(!channel) {
break;
}
/**
* Fired when someone removes a reaction from a message
* @event Client#messageReactionRemoveAll
* @prop {Message | Object} message The message object. If the message is not cached, this will be an object with `id` and `channel` keys. No other property is guaranteed
*/
this.emit("messageReactionRemoveAll", channel.messages.get(packet.d.message_id) || {
id: packet.d.message_id,
channel: channel
});
break;
}
case "GUILD_MEMBER_ADD": {
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) { // Eventual Consistency™ (╯°□°）╯︵ ┻━┻
this.emit("debug", `Missing guild ${packet.d.guild_id} in GUILD_MEMBER_ADD`);
break;
}
packet.d.id = packet.d.user.id;
++guild.memberCount;
/**
* Fired when a member joins a server
* @event Client#guildMemberAdd
* @prop {Guild} guild The guild
* @prop {Member} member The member
*/
this.emit("guildMemberAdd", guild, guild.members.add(packet.d, guild));
break;
}
case "GUILD_MEMBER_UPDATE": {
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", `Missing guild ${packet.d.guild_id} in GUILD_MEMBER_UPDATE`);
break;
}
let member = guild.members.get(packet.d.id = packet.d.user.id);
let oldMember = null;
if(member) {
oldMember = {
roles: member.roles,
nick: member.nick
};
}
member = guild.members.update(packet.d, guild);
/**
* Fired when a member's roles or nickname are updated
* @event Client#guildMemberUpdate
* @prop {Guild} guild The guild
* @prop {Member} member The updated member
* @prop {Object?} oldMember The old member data
* @prop {String[]} oldMember.roles An array of role IDs this member is a part of
* @prop {String?} oldMember.nick The server nickname of the member
*/
this.emit("guildMemberUpdate", guild, member, oldMember);
break;
}
case "GUILD_MEMBER_REMOVE": {
if(packet.d.user.id === this.client.user.id) { // The bot is probably leaving
break;
}
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
break;
}
--guild.memberCount;
packet.d.id = packet.d.user.id;
/**
* Fired when a member leaves a server
* @event Client#guildMemberRemove
* @prop {Guild} guild The guild
* @prop {Member | Object} member The member. If the member is not cached, this will be an object with `id` and `user` key
*/
this.emit("guildMemberRemove", guild, guild.members.remove(packet.d) || {
id: packet.d.id,
user: new User(packet.d.user, this.client)
});
break;
}
case "GUILD_CREATE": {
if(!packet.d.unavailable) {
const guild = this.createGuild(packet.d);
if(this.ready) {
if(this.client.unavailableGuilds.remove(packet.d)) {
/**
* Fired when a guild becomes available
* @event Client#guildAvailable
* @prop {Guild} guild The guild
*/
this.emit("guildAvailable", guild);
} else {
/**
* Fired when a guild is created. This happens when:
* - the client creates a guild
* - the client joins a guild
*/
this.emit("guildCreate", guild);
}
} else {
this.client.unavailableGuilds.remove(packet.d);
this.restartGuildCreateTimeout();
}
} else {
this.client.guilds.remove(packet.d);
/**
* Fired when an unavailable guild is created
* @event Client#unavailableGuildCreate
* @prop {UnavailableGuild} guild The unavailable guild
*/
this.emit("unavailableGuildCreate", this.client.unavailableGuilds.add(packet.d, this.client));
}
break;
}
case "GUILD_UPDATE": {
const guild = this.client.guilds.get(packet.d.id);
if(!guild) {
this.emit("debug", `Guild ${packet.d.id} undefined in GUILD_UPDATE`);
break;
}
let oldGuild = null;
oldGuild = {
name: guild.name,
verificationLevel: guild.verificationLevel,
splash: guild.splash,
banner: guild.banner,
region: guild.region,
ownerID: guild.ownerID,
icon: guild.icon,
features: guild.features,
emojis: guild.emojis,
afkChannelID: guild.afkChannelID,
afkTimeout: guild.afkTimeout,
mfaLevel: guild.mfaLevel,
large: guild.large,
maxPresences: guild.maxPresences,
explicitContentFilter: guild.explicitContentFilter,
systemChannelID: guild.systemChannelID
};
/**
* Fired when a guild is updated
* @event Client#guildUpdate
* @prop {Guild} guild The guild
* @prop {Object} oldGuild The old guild data
* @prop {String} oldGuild.name The name of the guild
* @prop {Number} oldGuild.verificationLevel The guild verification level
* @prop {String} oldGuild.region The region of the guild
* @prop {String?} oldGuild.icon The hash of the guild icon, or null if no icon
* @prop {String} oldGuild.afkChannelID The ID of the AFK voice channel
* @prop {Number} oldGuild.afkTimeout The AFK timeout in seconds
* @prop {String} oldGuild.ownerID The ID of the user that is the guild owner
* @prop {String?} oldGuild.splash The hash of the guild splash image, or null if no splash (VIP only)
* @prop {String?} oldGuild.banner The hash of the guild banner image, or null if no splash (VIP only)
* @prop {Object[]} oldGuild.features An array of guild features
* @prop {Object[]} oldGuild.emojis An array of guild emojis
*/
this.emit("guildUpdate", this.client.guilds.update(packet.d, this.client), oldGuild);
break;
}
case "GUILD_DELETE": {
const voiceConnection = this.client.voiceConnections.get(packet.d.id);
if(voiceConnection) {
if(voiceConnection.channelID) {
this.client.leaveVoiceChannel(voiceConnection.channelID);
} else {
this.client.voiceConnections.leave(packet.d.id);
}
}
delete this.client.guildShardMap[packet.d.id];
const guild = this.client.guilds.remove(packet.d);
if(guild) { // Discord sends GUILD_DELETE for guilds that were previously unavailable in READY
guild.channels.forEach((channel) => {
delete this.client.channelGuildMap[channel.id];
});
}
if(packet.d.unavailable) {
/**
* Fired when a guild becomes unavailable
* @event Client#guildUnavailable
* @prop {Guild} guild The guild
*/
this.emit("guildUnavailable", this.client.unavailableGuilds.add(packet.d, this.client));
} else {
/**
* Fired when a guild is deleted. This happens when:
* - the client left the guild
* - the client was kicked/banned from the guild
* - the guild was literally deleted
* @event Client#guildDelete
* @prop {Guild} guild The guild
*/
this.emit("guildDelete", guild || {
id: packet.d.id
});
}
break;
}
case "GUILD_BAN_ADD": {
/**
* Fired when a user is banned from a guild
* @event Client#guildBanAdd
* @prop {Guild} guild The guild
* @prop {User} user The banned user
*/
this.emit("guildBanAdd", this.client.guilds.get(packet.d.guild_id), this.client.users.update(packet.d.user, this.client));
break;
}
case "GUILD_BAN_REMOVE": {
/**
* Fired when a user is unbanned from a guild
* @event Client#guildBanRemove
* @prop {Guild} guild The guild
* @prop {User} user The banned user
*/
this.emit("guildBanRemove", this.client.guilds.get(packet.d.guild_id), this.client.users.update(packet.d.user, this.client));
break;
}
case "GUILD_ROLE_CREATE": {
/**
* Fired when a guild role is created
* @event Client#guildRoleCreate
* @prop {Guild} guild The guild
* @prop {Role} role The role
*/
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", `Missing guild ${packet.d.guild_id} in GUILD_ROLE_CREATE`);
break;
}
this.emit("guildRoleCreate", guild, guild.roles.add(packet.d.role, guild));
break;
}
case "GUILD_ROLE_UPDATE": {
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", `Guild ${packet.d.guild_id} undefined in GUILD_ROLE_UPDATE`);
break;
}
const role = guild.roles.add(packet.d.role, guild);
if(!role) {
this.emit("debug", `Role ${packet.d.role} in guild ${packet.d.guild_id} undefined in GUILD_ROLE_UPDATE`);
break;
}
let oldRole = null;
if(role) {
oldRole = {
color: role.color,
hoist: role.hoist,
managed: role.managed,
name: role.name,
permissions: role.permissions,
position: role.position,
mentionable: role.mentionable
};
}
/**
* Fired when a guild role is updated
* @event Client#guildRoleUpdate
* @prop {Guild} guild The guild
* @prop {Role} role The updated role
* @prop {Object} oldRole The old role data
* @prop {String} oldRole.name The name of the role
* @prop {Boolean} oldRole.mentionable Whether the role is mentionable or not
* @prop {Boolean} oldRole.managed Whether a guild integration manages this role or not
* @prop {Boolean} oldRole.hoist Whether users with this role are hoisted in the user list or not
* @prop {Number} oldRole.color The hex color of the role in base 10
* @prop {Number} oldRole.position The position of the role
* @prop {Permission} oldRole.permissions The permissions number of the role
*/
this.emit("guildRoleUpdate", guild, guild.roles.update(packet.d.role, guild), oldRole);
break;
}
case "GUILD_ROLE_DELETE": {
/**
* Fired when a guild role is deleted
* @event Client#guildRoleDelete
* @prop {Guild} guild The guild
* @prop {Role} role The role
*/
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", `Missing guild ${packet.d.guild_id} in GUILD_ROLE_DELETE`);
break;
}
this.emit("guildRoleDelete", guild, guild.roles.remove({id: packet.d.role_id}));
break;
}
case "CHANNEL_CREATE": {
const channel = Channel.from(packet.d, this.client);
if(packet.d.guild_id) {
if(!channel.guild) {
channel.guild = this.client.guilds.get(packet.d.guild_id);
if(!channel.guild) {
this.emit("debug", `Received CHANNEL_CREATE for channel in missing guild ${packet.d.guild_id}`);
break;
}
}
channel.guild.channels.add(channel, this.client);
this.client.channelGuildMap[packet.d.id] = packet.d.guild_id;
this.emit("channelCreate", channel);
} else if(channel instanceof PrivateChannel) {
if(channel instanceof GroupChannel) {
this.client.groupChannels.add(channel, this.client);
} else {
this.client.privateChannels.add(channel, this.client);
this.client.privateChannelMap[packet.d.recipients[0].id] = packet.d.id;
}
if(this.id === 0) {
this.emit("channelCreate", channel);
}
} else {
this.emit("warn", new Error("Unhandled CHANNEL_CREATE type: " + JSON.stringify(packet, null, 2)));
break;
}
break;
}
case "CHANNEL_UPDATE": {
let channel = this.client.getChannel(packet.d.id);
if(!channel) {
break;
}
let oldChannel;
if(channel instanceof GroupChannel) {
oldChannel = {
name: channel.name,
ownerID: channel.ownerID,
icon: channel.icon
};
} else if(channel instanceof GuildChannel) {
oldChannel = {
name: channel.name,
topic: channel.topic,
type: channel.type,
position: channel.position,
bitrate: channel.bitrate,
nsfw: channel.nsfw,
permissionOverwrites: channel.permissionOverwrites,
parentID: channel.parentID,
rateLimitPerUser: channel.rateLimitPerUser
};
} else {
this.emit("warn", `Unexpected CHANNEL_UPDATE for channel ${packet.d.id} with type ${oldType}`);
}
const oldType = channel.type;
if(oldType === packet.d.type) {
channel.update(packet.d);
} else {
this.emit("debug", `Channel ${packet.d.id} changed from type ${oldType} to ${packet.d.type}`);
const newChannel = Channel.from(packet.d);
if(packet.d.guild_id) {
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", `Received CHANNEL_UPDATE for channel in missing guild ${packet.d.guild_id}`);
break;
}
guild.channels.remove(channel);
guild.channels.add(newChannel, this.client);
} else if(channel instanceof PrivateChannel) {
if(channel instanceof GroupChannel) {
this.client.groupChannels.remove(channel);
this.client.groupChannels.add(newChannel, this.client);
} else {
this.client.privateChannels.remove(channel);
this.client.privateChannels.add(newChannel, this.client);
}
} else {
this.emit("warn", new Error("Unhandled CHANNEL_UPDATE type: " + JSON.stringify(packet, null, 2)));
break;
}
channel = newChannel;
}
/**
* Fired when a channel is updated
* @event Client#channelUpdate
* @prop {PrivateChannel | TextChannel | VoiceChannel | CategoryChannel} channel The updated channel
* @prop {Object} oldChannel The old channel data
* @prop {String} oldChannel.name The name of the channel
* @prop {Number} oldChannel.position The position of the channel
* @prop {Boolean} oldChannel.nsfw Whether the channel is NSFW or not
* @prop {String?} oldChannel.topic The topic of the channel (text channels only)
* @prop {Number} oldChannel.type The type of the old channel
* @prop {Number?} oldChannel.bitrate The bitrate of the channel (voice channels only)
* @prop {Collection} oldChannel.permissionOverwrites Collection of PermissionOverwrites in this channel
*/
this.emit("channelUpdate", channel, oldChannel);
break;
}
case "CHANNEL_DELETE": {
if(packet.d.type === 1 || packet.d.type === undefined) {
if(this.id === 0) {
const channel = this.client.privateChannels.remove(packet.d);
if(channel) {
delete this.client.privateChannelMap[channel.recipient.id];
/**
* Fired when a channel is deleted
* @event Client#channelDelete
* @prop {PrivateChannel | TextChannel | VoiceChannel | CategoryChannel} channel The channel
*/
this.emit("channelDelete", channel);
}
}
} else if(packet.d.guild_id) {
delete this.client.channelGuildMap[packet.d.id];
const guild = this.client.guilds.get(packet.d.guild_id);
if(!guild) {
this.emit("debug", `Missing guild ${packet.d.guild_id} in CHANNEL_DELETE`);
break;
}
const channel = guild.channels.remove(packet.d);
if(!channel) {
break;
}
if(channel.type === 2) {
channel.voiceMembers.forEach((member) => {
this.emit("voiceChannelLeave", channel.voiceMembers.remove(member), channel);
});
}
this.emit("channelDelete", channel);
} else if(packet.d.type === 3) {
if(this.id === 0) {
this.emit("channelDelete", this.client.groupChannels.remove(packet.d));
}
} else {
this.emit("warn", new Error("Unhandled CHANNEL_DELETE type: " + JSON.stringify(packet, null, 2)));
}