mirror of
https://github.com/discordjs/discord.js.git
synced 2026-03-09 16:13:31 +01:00
458 lines
17 KiB
JavaScript
458 lines
17 KiB
JavaScript
const path = require('path');
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const Message = require('../Message');
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const MessageCollector = require('../MessageCollector');
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const Collection = require('../../util/Collection');
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/**
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* Interface for classes that have text-channel-like features
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* @interface
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*/
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class TextBasedChannel {
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constructor() {
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/**
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* A collection containing the messages sent to this channel.
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* @type {Collection<Snowflake, Message>}
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*/
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this.messages = new Collection();
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/**
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* The ID of the last message in the channel, if one was sent.
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* @type {?Snowflake}
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*/
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this.lastMessageID = null;
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/**
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* The Message object of the last message in the channel, if one was sent.
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* @type {?Message}
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*/
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this.lastMessage = null;
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}
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/**
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* Options provided when sending or editing a message
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* @typedef {Object} MessageOptions
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* @property {boolean} [tts=false] Whether or not the message should be spoken aloud
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* @property {string} [nonce=''] The nonce for the message
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* @property {RichEmbed|Object} [embed] An embed for the message
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* (see [here](https://discordapp.com/developers/docs/resources/channel#embed-object) for more details)
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* @property {boolean} [disableEveryone=this.client.options.disableEveryone] Whether or not @everyone and @here
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* should be replaced with plain-text
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* @property {FileOptions|string} [file] A file to send with the message **(deprecated)**
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* @property {FileOptions[]|string[]} [files] Files to send with the message
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* @property {string|boolean} [code] Language for optional codeblock formatting to apply
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* @property {boolean|SplitOptions} [split=false] Whether or not the message should be split into multiple messages if
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* it exceeds the character limit. If an object is provided, these are the options for splitting the message.
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* @property {UserResolvable} [reply] User to reply to (prefixes the message with a mention, except in DMs)
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*/
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/**
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* @typedef {Object} FileOptions
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* @property {BufferResolvable} attachment File to attach
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* @property {string} [name='file.jpg'] Filename of the attachment
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*/
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/**
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* Options for splitting a message
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* @typedef {Object} SplitOptions
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* @property {number} [maxLength=1950] Maximum character length per message piece
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* @property {string} [char='\n'] Character to split the message with
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* @property {string} [prepend=''] Text to prepend to every piece except the first
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* @property {string} [append=''] Text to append to every piece except the last
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*/
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/**
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* Send a message to this channel
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* @param {StringResolvable} [content] Text for the message
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* @param {MessageOptions} [options={}] Options for the message
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* @returns {Promise<Message|Message[]>}
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* @example
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* // send a message
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* channel.send('hello!')
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* .then(message => console.log(`Sent message: ${message.content}`))
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* .catch(console.error);
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*/
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send(content, options) {
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if (!options && typeof content === 'object' && !(content instanceof Array)) {
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options = content;
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content = '';
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} else if (!options) {
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options = {};
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}
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// backward compat
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if (options.file) {
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if (options.files) options.files.push(options.file);
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else options.files = [options.file];
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}
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if (options.files) {
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for (const i in options.files) {
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let file = options.files[i];
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if (typeof file === 'string') file = { attachment: file };
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if (!file.name) {
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if (typeof file.attachment === 'string') {
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file.name = path.basename(file.attachment);
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} else if (file.attachment && file.attachment.path) {
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file.name = path.basename(file.attachment.path);
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} else {
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file.name = 'file.jpg';
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}
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}
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options.files[i] = file;
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}
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return Promise.all(options.files.map(file =>
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this.client.resolver.resolveBuffer(file.attachment).then(buffer => {
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file.file = buffer;
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return file;
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})
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)).then(files => this.client.rest.methods.sendMessage(this, content, options, files));
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}
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return this.client.rest.methods.sendMessage(this, content, options);
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}
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/**
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* Send a message to this channel
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* @param {StringResolvable} [content] Text for the message
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* @param {MessageOptions} [options={}] Options for the message
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* @returns {Promise<Message|Message[]>}
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* @example
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* // send a message
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* channel.sendMessage('hello!')
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* .then(message => console.log(`Sent message: ${message.content}`))
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* .catch(console.error);
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*/
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sendMessage(content, options) {
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return this.send(content, options);
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}
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/**
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* Send an embed to this channel
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* @param {RichEmbed|Object} embed Embed for the message
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* @param {string} [content] Text for the message
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* @param {MessageOptions} [options] Options for the message
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* @returns {Promise<Message>}
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*/
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sendEmbed(embed, content, options) {
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if (!options && typeof content === 'object' && !(content instanceof Array)) {
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options = content;
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content = '';
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} else if (!options) {
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options = {};
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}
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return this.send(content, Object.assign(options, { embed }));
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}
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/**
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* Send files to this channel
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* @param {FileOptions[]|string[]} files Files to send with the message
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* @param {StringResolvable} [content] Text for the message
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* @param {MessageOptions} [options] Options for the message
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* @returns {Promise<Message>}
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*/
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sendFiles(files, content, options) {
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return this.send(content, Object.assign(options, { files }));
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}
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/**
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* Send a file to this channel
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* @param {BufferResolvable} attachment File to send
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* @param {string} [name='file.jpg'] Name and extension of the file
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* @param {StringResolvable} [content] Text for the message
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* @param {MessageOptions} [options] Options for the message
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* @returns {Promise<Message>}
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*/
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sendFile(attachment, name, content, options = {}) {
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return this.sendFiles([{ attachment, name }], content, options);
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}
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/**
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* Send a code block to this channel
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* @param {string} lang Language for the code block
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* @param {StringResolvable} content Content of the code block
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* @param {MessageOptions} [options] Options for the message
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* @returns {Promise<Message|Message[]>}
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*/
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sendCode(lang, content, options = {}) {
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return this.send(content, Object.assign(options, { code: lang }));
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}
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/**
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* Gets a single message from this channel, regardless of it being cached or not.
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* <warn>This is only available when using a bot account.</warn>
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* @param {Snowflake} messageID ID of the message to get
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* @returns {Promise<Message>}
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* @example
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* // get message
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* channel.fetchMessage('99539446449315840')
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* .then(message => console.log(message.content))
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* .catch(console.error);
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*/
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fetchMessage(messageID) {
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return this.client.rest.methods.getChannelMessage(this, messageID).then(data => {
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const msg = data instanceof Message ? data : new Message(this, data, this.client);
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this._cacheMessage(msg);
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return msg;
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});
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}
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/**
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* The parameters to pass in when requesting previous messages from a channel. `around`, `before` and
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* `after` are mutually exclusive. All the parameters are optional.
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* @typedef {Object} ChannelLogsQueryOptions
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* @property {number} [limit=50] Number of messages to acquire
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* @property {Snowflake} [before] ID of a message to get the messages that were posted before it
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* @property {Snowflake} [after] ID of a message to get the messages that were posted after it
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* @property {Snowflake} [around] ID of a message to get the messages that were posted around it
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*/
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/**
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* Gets the past messages sent in this channel. Resolves with a collection mapping message ID's to Message objects.
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* @param {ChannelLogsQueryOptions} [options={}] Query parameters to pass in
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* @returns {Promise<Collection<Snowflake, Message>>}
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* @example
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* // get messages
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* channel.fetchMessages({limit: 10})
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* .then(messages => console.log(`Received ${messages.size} messages`))
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* .catch(console.error);
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*/
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fetchMessages(options = {}) {
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return this.client.rest.methods.getChannelMessages(this, options).then(data => {
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const messages = new Collection();
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for (const message of data) {
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const msg = new Message(this, message, this.client);
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messages.set(message.id, msg);
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this._cacheMessage(msg);
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}
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return messages;
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});
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}
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/**
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* Fetches the pinned messages of this channel and returns a collection of them.
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* @returns {Promise<Collection<Snowflake, Message>>}
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*/
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fetchPinnedMessages() {
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return this.client.rest.methods.getChannelPinnedMessages(this).then(data => {
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const messages = new Collection();
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for (const message of data) {
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const msg = new Message(this, message, this.client);
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messages.set(message.id, msg);
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this._cacheMessage(msg);
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}
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return messages;
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});
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}
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/**
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* @typedef {Object} MessageSearchOptions
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* @property {string} [content] Message content
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* @property {Snowflake} [maxID] Maximum ID for the filter
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* @property {Snowflake} [minID] Minimum ID for the filter
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* @property {string} [has] One of `link`, `embed`, `file`, `video`, `image`, or `sound`,
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* or add `-` to negate (e.g. `-file`)
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* @property {ChannelResolvable} [channel] Channel to limit search to (only for guild search endpoint)
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* @property {UserResolvable} [author] Author to limit search
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* @property {string} [authorType] One of `user`, `bot`, `webhook`, or add `-` to negate (e.g. `-webhook`)
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* @property {string} [sortBy='recent'] `recent` or `relevant`
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* @property {string} [sortOrder='desc'] `asc` or `desc`
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* @property {number} [contextSize=2] How many messages to get around the matched message (0 to 2)
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* @property {number} [limit=25] Maximum number of results to get (1 to 25)
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* @property {number} [offset=0] Offset the "pages" of results (since you can only see 25 at a time)
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* @property {UserResolvable} [mentions] Mentioned user filter
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* @property {boolean} [mentionsEveryone] If everyone is mentioned
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* @property {string} [linkHostname] Filter links by hostname
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* @property {string} [embedProvider] The name of an embed provider
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* @property {string} [embedType] one of `image`, `video`, `url`, `rich`
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* @property {string} [attachmentFilename] The name of an attachment
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* @property {string} [attachmentExtension] The extension of an attachment
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* @property {Date} [before] Date to find messages before
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* @property {Date} [after] Date to find messages before
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* @property {Date} [during] Date to find messages during (range of date to date + 24 hours)
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*/
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/**
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* Performs a search within the channel.
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* @param {MessageSearchOptions} [options={}] Options to pass to the search
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* @returns {Promise<Array<Message[]>>}
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* An array containing arrays of messages. Each inner array is a search context cluster.
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* The message which has triggered the result will have the `hit` property set to `true`.
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* @example
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* channel.search({
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* content: 'discord.js',
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* before: '2016-11-17'
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* }).then(res => {
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* const hit = res.messages[0].find(m => m.hit).content;
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* console.log(`I found: **${hit}**, total results: ${res.totalResults}`);
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* }).catch(console.error);
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*/
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search(options) {
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return this.client.rest.methods.search(this, options);
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}
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/**
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* Starts a typing indicator in the channel.
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* @param {number} [count] The number of times startTyping should be considered to have been called
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* @example
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* // start typing in a channel
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* channel.startTyping();
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*/
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startTyping(count) {
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if (typeof count !== 'undefined' && count < 1) throw new RangeError('Count must be at least 1.');
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if (!this.client.user._typing.has(this.id)) {
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this.client.user._typing.set(this.id, {
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count: count || 1,
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interval: this.client.setInterval(() => {
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this.client.rest.methods.sendTyping(this.id);
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}, 9000),
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});
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this.client.rest.methods.sendTyping(this.id);
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} else {
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const entry = this.client.user._typing.get(this.id);
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entry.count = count || entry.count + 1;
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}
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}
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/**
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* Stops the typing indicator in the channel.
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* The indicator will only stop if this is called as many times as startTyping().
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* <info>It can take a few seconds for the client user to stop typing.</info>
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* @param {boolean} [force=false] Whether or not to reset the call count and force the indicator to stop
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* @example
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* // stop typing in a channel
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* channel.stopTyping();
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* @example
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* // force typing to fully stop in a channel
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* channel.stopTyping(true);
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*/
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stopTyping(force = false) {
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if (this.client.user._typing.has(this.id)) {
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const entry = this.client.user._typing.get(this.id);
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entry.count--;
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if (entry.count <= 0 || force) {
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this.client.clearInterval(entry.interval);
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this.client.user._typing.delete(this.id);
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}
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}
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}
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/**
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* Whether or not the typing indicator is being shown in the channel.
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* @type {boolean}
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* @readonly
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*/
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get typing() {
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return this.client.user._typing.has(this.id);
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}
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/**
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* Number of times `startTyping` has been called.
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* @type {number}
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* @readonly
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*/
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get typingCount() {
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if (this.client.user._typing.has(this.id)) return this.client.user._typing.get(this.id).count;
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return 0;
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}
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/**
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* Creates a Message Collector
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* @param {CollectorFilterFunction} filter The filter to create the collector with
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* @param {CollectorOptions} [options={}] The options to pass to the collector
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* @returns {MessageCollector}
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* @example
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* // create a message collector
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* const collector = channel.createCollector(
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* m => m.content.includes('discord'),
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* { time: 15000 }
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* );
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* collector.on('message', m => console.log(`Collected ${m.content}`));
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* collector.on('end', collected => console.log(`Collected ${collected.size} items`));
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*/
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createCollector(filter, options = {}) {
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return new MessageCollector(this, filter, options);
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}
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/**
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* An object containing the same properties as CollectorOptions, but a few more:
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* @typedef {CollectorOptions} AwaitMessagesOptions
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* @property {string[]} [errors] Stop/end reasons that cause the promise to reject
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*/
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/**
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* Similar to createCollector but in promise form. Resolves with a collection of messages that pass the specified
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* filter.
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* @param {CollectorFilterFunction} filter The filter function to use
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* @param {AwaitMessagesOptions} [options={}] Optional options to pass to the internal collector
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* @returns {Promise<Collection<Snowflake, Message>>}
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* @example
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* // await !vote messages
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* const filter = m => m.content.startsWith('!vote');
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* // errors: ['time'] treats ending because of the time limit as an error
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* channel.awaitMessages(filter, { max: 4, time: 60000, errors: ['time'] })
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* .then(collected => console.log(collected.size))
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* .catch(collected => console.log(`After a minute, only ${collected.size} out of 4 voted.`));
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*/
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awaitMessages(filter, options = {}) {
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return new Promise((resolve, reject) => {
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const collector = this.createCollector(filter, options);
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collector.on('end', (collection, reason) => {
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if (options.errors && options.errors.includes(reason)) {
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reject(collection);
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} else {
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resolve(collection);
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}
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});
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});
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}
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/**
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* Bulk delete given messages that are newer than two weeks
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* <warn>This is only available when using a bot account.</warn>
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* @param {Collection<Snowflake, Message>|Message[]|number} messages Messages or number of messages to delete
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* @param {boolean} [filterOld=false] Filter messages to remove those which are older than two weeks automatically
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* @returns {Promise<Collection<Snowflake, Message>>} Deleted messages
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*/
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bulkDelete(messages, filterOld = false) {
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if (!isNaN(messages)) return this.fetchMessages({ limit: messages }).then(msgs => this.bulkDelete(msgs, filterOld));
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if (messages instanceof Array || messages instanceof Collection) {
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const messageIDs = messages instanceof Collection ? messages.keyArray() : messages.map(m => m.id);
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return this.client.rest.methods.bulkDeleteMessages(this, messageIDs, filterOld);
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}
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throw new TypeError('The messages must be an Array, Collection, or number.');
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}
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_cacheMessage(message) {
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const maxSize = this.client.options.messageCacheMaxSize;
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if (maxSize === 0) return null;
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if (this.messages.size >= maxSize && maxSize > 0) this.messages.delete(this.messages.firstKey());
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this.messages.set(message.id, message);
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return message;
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}
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}
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exports.applyToClass = (structure, full = false, ignore = []) => {
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const props = ['send', 'sendMessage', 'sendEmbed', 'sendFile', 'sendFiles', 'sendCode'];
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if (full) {
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props.push(
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'_cacheMessage',
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'fetchMessages',
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'fetchMessage',
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'search',
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'bulkDelete',
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'startTyping',
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'stopTyping',
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'typing',
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'typingCount',
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'fetchPinnedMessages',
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'createCollector',
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'awaitMessages'
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);
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}
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for (const prop of props) {
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if (ignore.includes(prop)) continue;
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Object.defineProperty(structure.prototype, prop, Object.getOwnPropertyDescriptor(TextBasedChannel.prototype, prop));
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}
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};
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