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ApplicationCommandManager.js
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ApplicationCommandManager.js
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'use strict';
const BaseManager = require('./BaseManager');
const { TypeError } = require('../errors');
const ApplicationCommand = require('../structures/ApplicationCommand');
const Collection = require('../util/Collection');
/**
* Manages API methods for application commands and stores their cache.
* @extends {BaseManager}
*/
class ApplicationCommandManager extends BaseManager {
constructor(client, iterable) {
super(client, iterable, ApplicationCommand);
}
/**
* The cache of this manager
* @type {Collection<Snowflake, ApplicationCommand>}
* @name ApplicationCommandManager#cache
*/
add(data, cache) {
return super.add(data, cache, { extras: [this.guild] });
}
/**
* The APIRouter path to the commands
* @type {Object}
* @readonly
* @private
*/
get commandPath() {
let path = this.client.api.applications(this.client.application.id);
if (this.guild) path = path.guilds(this.guild.id);
return path.commands;
}
/**
* Data that resolves to give an ApplicationCommand object. This can be:
* * An ApplicationCommand object
* * A Snowflake
* @typedef {ApplicationCommand|Snowflake} ApplicationCommandResolvable
*/
/**
* Obtains one or multiple application commands from Discord, or the cache if it's already available.
* @param {Snowflake} [id] ID of the application command
* @param {boolean} [cache=true] Whether to cache the new application commands if they weren't already
* @param {boolean} [force=false] Whether to skip the cache check and request the API
* @returns {Promise<ApplicationCommand|Collection<Snowflake, ApplicationCommand>>}
* @example
* // Fetch a single command
* client.application.commands.fetch('123456789012345678')
* .then(command => console.log(`Fetched command ${command.name}`))
* .catch(console.error);
* @example
* // Fetch all commands
* guild.commands.fetch()
* .then(commands => console.log(`Fetched ${commands.size} commands`))
* .catch(console.error);
*/
async fetch(id, cache = true, force = false) {
if (id) {
if (!force) {
const existing = this.cache.get(id);
if (existing) return existing;
}
const command = await this.commandPath(id).get();
return this.add(command, cache);
}
const data = await this.commandPath.get();
return data.reduce((coll, command) => coll.set(command.id, this.add(command, cache)), new Collection());
}
/**
* Creates an application command.
* @param {ApplicationCommandData} command The command
* @returns {Promise<ApplicationCommand>}
* @example
* // Create a new command
* client.application.commands.create({
* name: 'test',
* description: 'A test command',
* })
* .then(console.log)
* .catch(console.error);
*/
async create(command) {
const data = await this.commandPath.post({
data: this.constructor.transformCommand(command),
});
return this.add(data);
}
/**
* Sets all the commands for this application or guild.
* @param {ApplicationCommandData[]} commands The commands
* @returns {Promise<Collection<Snowflake, ApplicationCommand>>}
* @example
* // Set all commands to just this one
* client.application.commands.set([
* {
* name: 'test',
* description: 'A test command',
* },
* ])
* .then(console.log)
* .catch(console.error);
* @example
* // Remove all commands
* guild.commands.set([])
* .then(console.log)
* .catch(console.error);
*/
async set(commands) {
const data = await this.commandPath.put({
data: commands.map(c => this.constructor.transformCommand(c)),
});
return data.reduce((coll, command) => coll.set(command.id, this.add(command)), new Collection());
}
/**
* Edits an application command.
* @param {ApplicationCommandResolvable} command The command to edit
* @param {ApplicationCommandData} data The data to update the command with
* @returns {Promise<ApplicationCommand>}
* @example
* // Edit an existing command
* client.application.commands.edit('123456789012345678', {
* description: 'New description',
* })
* .then(console.log)
* .catch(console.error);
*/
async edit(command, data) {
const id = this.resolveID(command);
if (!id) throw new TypeError('INVALID_TYPE', 'command', 'ApplicationCommandResolvable');
const patched = await this.commandPath(id).patch({ data: this.constructor.transformCommand(data) });
return this.add(patched);
}
/**
* Deletes an application command.
* @param {ApplicationCommandResolvable} command The command to delete
* @returns {Promise<?ApplicationCommand>}
* @example
* // Delete a command
* guild.commands.delete('123456789012345678')
* .then(console.log)
* .catch(console.error);
*/
async delete(command) {
const id = this.resolveID(command);
if (!id) throw new TypeError('INVALID_TYPE', 'command', 'ApplicationCommandResolvable');
await this.commandPath(id).delete();
const cached = this.cache.get(id);
this.cache.delete(id);
return cached ?? null;
}
/**
* Transforms an {@link ApplicationCommandData} object into something that can be used with the API.
* @param {ApplicationCommandData} command The command to transform
* @returns {Object}
* @private
*/
static transformCommand(command) {
return {
name: command.name,
description: command.description,
options: command.options?.map(o => ApplicationCommand.transformOption(o)),
default_permission: command.defaultPermission,
};
}
}
module.exports = ApplicationCommandManager;