'use strict';
/* eslint-disable import/order */
const MessageCollector = require('../MessageCollector');
const APIMessage = require('../APIMessage');
const Snowflake = require('../../util/Snowflake');
const Collection = require('../../util/Collection');
const { RangeError, TypeError } = require('../../errors');
/**
* Interface for classes that have text-channel-like features.
* @interface
*/
class TextBasedChannel {
constructor() {
/**
* A manager of the messages sent to this channel
* @type {MessageManager}
*/
this.messages = new MessageManager(this);
/**
* The ID of the last message in the channel, if one was sent
* @type {?Snowflake}
*/
this.lastMessageID = null;
/**
* The timestamp when the last pinned message was pinned, if there was one
* @type {?number}
*/
this.lastPinTimestamp = null;
}
/**
* The Message object of the last message in the channel, if one was sent
* @type {?Message}
* @readonly
*/
get lastMessage() {
return this.messages.cache.get(this.lastMessageID) || null;
}
/**
* The date when the last pinned message was pinned, if there was one
* @type {?Date}
* @readonly
*/
get lastPinAt() {
return this.lastPinTimestamp ? new Date(this.lastPinTimestamp) : null;
}
/**
* Options provided when sending or editing a message.
* @typedef {Object} MessageOptions
* @property {boolean} [tts=false] Whether or not the message should be spoken aloud
* @property {string} [nonce=''] The nonce for the message
* @property {string} [content=''] The content for the message
* @property {MessageEmbed|Object} [embed] An embed for the message
* (see [here](https://discord.com/developers/docs/resources/channel#embed-object) for more details)
* @property {MessageMentionOptions} [allowedMentions] Which mentions should be parsed from the message content
* @property {DisableMentionType} [disableMentions=this.client.options.disableMentions] Whether or not all mentions or
* everyone/here mentions should be sanitized to prevent unexpected mentions
* @property {FileOptions[]|BufferResolvable[]} [files] Files to send with the message
* @property {string|boolean} [code] Language for optional codeblock formatting to apply
* @property {boolean|SplitOptions} [split=false] Whether or not the message should be split into multiple messages if
* it exceeds the character limit. If an object is provided, these are the options for splitting the message
* @property {UserResolvable} [reply] User to reply to (prefixes the message with a mention, except in DMs)
*/
/**
* Options provided to control parsing of mentions by Discord
* @typedef {Object} MessageMentionOptions
* @property {MessageMentionTypes[]} [parse] Types of mentions to be parsed
* @property {Snowflake[]} [users] Snowflakes of Users to be parsed as mentions
* @property {Snowflake[]} [roles] Snowflakes of Roles to be parsed as mentions
*/
/**
* Types of mentions to enable in MessageMentionOptions.
* - `roles`
* - `users`
* - `everyone`
* @typedef {string} MessageMentionTypes
*/
/**
* The type of mentions to disable.
* - `none`
* - `all`
* - `everyone`
* @typedef {string} DisableMentionType
*/
/**
* @typedef {Object} FileOptions
* @property {BufferResolvable} attachment File to attach
* @property {string} [name='file.jpg'] Filename of the attachment
*/
/**
* Options for splitting a message.
* @typedef {Object} SplitOptions
* @property {number} [maxLength=2000] Maximum character length per message piece
* @property {string} [char='\n'] Character to split the message with
* @property {string} [prepend=''] Text to prepend to every piece except the first
* @property {string} [append=''] Text to append to every piece except the last
*/
/**
* Sends a message to this channel.
* @param {StringResolvable|APIMessage} [content=''] The content to send
* @param {MessageOptions|MessageAdditions} [options={}] The options to provide
* @returns {Promise<Message|Message[]>}
* @example
* // Send a basic message
* channel.send('hello!')
* .then(message => console.log(`Sent message: ${message.content}`))
* .catch(console.error);
* @example
* // Send a remote file
* channel.send({
* files: ['https://cdn.discordapp.com/icons/222078108977594368/6e1019b3179d71046e463a75915e7244.png?size=2048']
* })
* .then(console.log)
* .catch(console.error);
* @example
* // Send a local file
* channel.send({
* files: [{
* attachment: 'entire/path/to/file.jpg',
* name: 'file.jpg'
* }]
* })
* .then(console.log)
* .catch(console.error);
* @example
* // Send an embed with a local image inside
* channel.send('This is an embed', {
* embed: {
* thumbnail: {
* url: 'attachment://file.jpg'
* }
* },
* files: [{
* attachment: 'entire/path/to/file.jpg',
* name: 'file.jpg'
* }]
* })
* .then(console.log)
* .catch(console.error);
*/
async send(content, options) {
const User = require('../User');
const GuildMember = require('../GuildMember');
if (this instanceof User || this instanceof GuildMember) {
return this.createDM().then(dm => dm.send(content, options));
}
let apiMessage;
if (content instanceof APIMessage) {
apiMessage = content.resolveData();
} else {
apiMessage = APIMessage.create(this, content, options).resolveData();
if (Array.isArray(apiMessage.data.content)) {
return Promise.all(apiMessage.split().map(this.send.bind(this)));
}
}
const { data, files } = await apiMessage.resolveFiles();
return this.client.api.channels[this.id].messages
.post({ data, files })
.then(d => this.client.actions.MessageCreate.handle(d).message);
}
/**
* Starts a typing indicator in the channel.
* @param {number} [count=1] The number of times startTyping should be considered to have been called
* @returns {Promise} Resolves once the bot stops typing gracefully, or rejects when an error occurs
* @example
* // Start typing in a channel, or increase the typing count by one
* channel.startTyping();
* @example
* // Start typing in a channel with a typing count of five, or set it to five
* channel.startTyping(5);
*/
startTyping(count) {
if (typeof count !== 'undefined' && count < 1) throw new RangeError('TYPING_COUNT');
if (this.client.user._typing.has(this.id)) {
const entry = this.client.user._typing.get(this.id);
entry.count = count || entry.count + 1;
return entry.promise;
}
const entry = {};
entry.promise = new Promise((resolve, reject) => {
const endpoint = this.client.api.channels[this.id].typing;
Object.assign(entry, {
count: count || 1,
interval: this.client.setInterval(() => {
endpoint.post().catch(error => {
this.client.clearInterval(entry.interval);
this.client.user._typing.delete(this.id);
reject(error);
});
}, 9000),
resolve,
});
endpoint.post().catch(error => {
this.client.clearInterval(entry.interval);
this.client.user._typing.delete(this.id);
reject(error);
});
this.client.user._typing.set(this.id, entry);
});
return entry.promise;
}
/**
* Stops the typing indicator in the channel.
* The indicator will only stop if this is called as many times as startTyping().
* <info>It can take a few seconds for the client user to stop typing.</info>
* @param {boolean} [force=false] Whether or not to reset the call count and force the indicator to stop
* @example
* // Reduce the typing count by one and stop typing if it reached 0
* channel.stopTyping();
* @example
* // Force typing to fully stop regardless of typing count
* channel.stopTyping(true);
*/
stopTyping(force = false) {
if (this.client.user._typing.has(this.id)) {
const entry = this.client.user._typing.get(this.id);
entry.count--;
if (entry.count <= 0 || force) {
this.client.clearInterval(entry.interval);
this.client.user._typing.delete(this.id);
entry.resolve();
}
}
}
/**
* Whether or not the typing indicator is being shown in the channel
* @type {boolean}
* @readonly
*/
get typing() {
return this.client.user._typing.has(this.id);
}
/**
* Number of times `startTyping` has been called
* @type {number}
* @readonly
*/
get typingCount() {
if (this.client.user._typing.has(this.id)) return this.client.user._typing.get(this.id).count;
return 0;
}
/**
* Creates a Message Collector.
* @param {CollectorFilter} filter The filter to create the collector with
* @param {MessageCollectorOptions} [options={}] The options to pass to the collector
* @returns {MessageCollector}
* @example
* // Create a message collector
* const filter = m => m.content.includes('discord');
* const collector = channel.createMessageCollector(filter, { time: 15000 });
* collector.on('collect', m => console.log(`Collected ${m.content}`));
* collector.on('end', collected => console.log(`Collected ${collected.size} items`));
*/
createMessageCollector(filter, options = {}) {
return new MessageCollector(this, filter, options);
}
/**
* An object containing the same properties as CollectorOptions, but a few more:
* @typedef {MessageCollectorOptions} AwaitMessagesOptions
* @property {string[]} [errors] Stop/end reasons that cause the promise to reject
*/
/**
* Similar to createMessageCollector but in promise form.
* Resolves with a collection of messages that pass the specified filter.
* @param {CollectorFilter} filter The filter function to use
* @param {AwaitMessagesOptions} [options={}] Optional options to pass to the internal collector
* @returns {Promise<Collection<Snowflake, Message>>}
* @example
* // Await !vote messages
* const filter = m => m.content.startsWith('!vote');
* // Errors: ['time'] treats ending because of the time limit as an error
* channel.awaitMessages(filter, { max: 4, time: 60000, errors: ['time'] })
* .then(collected => console.log(collected.size))
* .catch(collected => console.log(`After a minute, only ${collected.size} out of 4 voted.`));
*/
awaitMessages(filter, options = {}) {
return new Promise((resolve, reject) => {
const collector = this.createMessageCollector(filter, options);
collector.once('end', (collection, reason) => {
if (options.errors && options.errors.includes(reason)) {
reject(collection);
} else {
resolve(collection);
}
});
});
}
/**
* Bulk deletes given messages that are newer than two weeks.
* @param {Collection<Snowflake, Message>|MessageResolvable[]|number} messages
* Messages or number of messages to delete
* @param {boolean} [filterOld=false] Filter messages to remove those which are older than two weeks automatically
* @returns {Promise<Collection<Snowflake, Message>>} Deleted messages
* @example
* // Bulk delete messages
* channel.bulkDelete(5)
* .then(messages => console.log(`Bulk deleted ${messages.size} messages`))
* .catch(console.error);
*/
async bulkDelete(messages, filterOld = false) {
if (Array.isArray(messages) || messages instanceof Collection) {
let messageIDs = messages instanceof Collection ? messages.keyArray() : messages.map(m => m.id || m);
if (filterOld) {
messageIDs = messageIDs.filter(id => Date.now() - Snowflake.deconstruct(id).date.getTime() < 1209600000);
}
if (messageIDs.length === 0) return new Collection();
if (messageIDs.length === 1) {
await this.client.api.channels(this.id).messages(messageIDs[0]).delete();
const message = this.client.actions.MessageDelete.getMessage(
{
message_id: messageIDs[0],
},
this,
);
return message ? new Collection([[message.id, message]]) : new Collection();
}
await this.client.api.channels[this.id].messages['bulk-delete'].post({ data: { messages: messageIDs } });
return messageIDs.reduce(
(col, id) =>
col.set(
id,
this.client.actions.MessageDeleteBulk.getMessage(
{
message_id: id,
},
this,
),
),
new Collection(),
);
}
if (!isNaN(messages)) {
const msgs = await this.messages.fetch({ limit: messages });
return this.bulkDelete(msgs, filterOld);
}
throw new TypeError('MESSAGE_BULK_DELETE_TYPE');
}
static applyToClass(structure, full = false, ignore = []) {
const props = ['send'];
if (full) {
props.push(
'lastMessage',
'lastPinAt',
'bulkDelete',
'startTyping',
'stopTyping',
'typing',
'typingCount',
'createMessageCollector',
'awaitMessages',
);
}
for (const prop of props) {
if (ignore.includes(prop)) continue;
Object.defineProperty(
structure.prototype,
prop,
Object.getOwnPropertyDescriptor(TextBasedChannel.prototype, prop),
);
}
}
}
module.exports = TextBasedChannel;
// Fixes Circular
const MessageManager = require('../../managers/MessageManager');