import Discord = require("discord.js"); import fs = require('fs'); import {REST} from '@discordjs/rest'; import {Routes} from 'discord-api-types/v9'; import {RegisterMode, SlashCommand} from "./slash"; export class SlashManager { client: Discord.Client; commands: SlashCommand[]; testServerId: string; beforeHandle: (client: Discord.Client, interaction: Discord.CommandInteraction) => any = () => {}; afterHandle: (client: Discord.Client, interaction: Discord.CommandInteraction, success: boolean) => any = () => {}; private initialized: boolean = false; private rest: REST; constructor(client: Discord.Client, commands?: SlashCommand[], testServer?: string) { this.client = client; this.commands = commands || []; if (this.testServerId) {this.testServerId = testServer;} this.rest = new REST({version: '9'}).setToken(this.client.token); } public async register(commands?: CommandLookup): Promise { let trp = commands || this.commands; let tr = Array.isArray(trp) ? this.getCommands(trp) : this.getCommand(trp); return Array.isArray(tr) ? this.rest.put(Routes.applicationCommands(this.client.user.id), {body: (() => {let t = []; tr.forEach(trt => t.push(this.commands[trt].command.toJSON())); return t;})()}) : this.commands[tr].registerGlobally(); }; public async devRegister(commands?: CommandLookup): Promise { if (!this.testServerId) {throw new Error("You tried to register commands to your test server, but don't have a test server ID set. Try running SlashManager#setTestServer() first!");} let trp = commands || this.commands; let tr = Array.isArray(trp) ? this.getCommands(trp) : this.getCommand(trp); return Array.isArray(tr) ? this.rest.put(Routes.applicationGuildCommands(this.client.user.id, this.testServerId), {body: (() => {let t = []; tr.forEach(trt => t.push(this.commands[trt].command.toJSON())); return t;})()}) : this.commands[tr].registerToServer([this.testServerId]); }; public add(command: SlashCommand, register?: boolean | RegisterMode): SlashManager { this.commands.push(command); if (register) {command.register(typeof register === 'boolean' ? 'global' : register);} return this; }; public remove(commands: CommandLookup): SlashManager { let trp = commands || this.commands; let tr = Array.isArray(trp) ? this.getCommands(trp) : this.getCommand(trp); if (Array.isArray(tr)) {tr.forEach(t => {this.commands.splice(t, 1);});} else {this.commands.splice(tr, 1);} return this; }; public getCommand(command: SlashCommand | string): number { let res: SlashCommand; if (typeof command === "string") { this.commands.forEach(cmd => {if (cmd.name === command) {res = cmd;}}); if (!res) {throw new Error(`Name '${command}' doesn't match any commands in your SlashManager.`);} } else { if (!this.commands.includes(command)) {throw new Error(`The command you provided (with name '${command.name}') doesn't exist`);} res = command; } return this.commands.indexOf(res); }; public getCommands(commands: SlashCommand[] | string[]): number[] { let res = []; commands.forEach((cmd: SlashCommand | string) => res.push(this.getCommand(cmd))); return res; }; public init(): SlashManager { if (this.initialized) {this.disableHandling();} this.client.on("interactionCreate", (interaction: Discord.CommandInteraction) => this.handle(interaction)); return this; }; public disableHandling(): SlashManager { this.client.removeListener('interactionCreate', this.handle); return this; }; public setBeforeHandle(execute: (client: Discord.Client, interaction: Discord.CommandInteraction) => any): SlashManager { this.beforeHandle = execute; this.init(); return this; }; public setAfterHandle(execute: (client: Discord.Client, interaction: Discord.CommandInteraction, success: Boolean) => any): SlashManager { this.afterHandle = execute; this.init(); return this; }; public setTestServer(id: string): SlashManager { this.testServerId = id; return this; }; private async handle(interaction: Discord.CommandInteraction): Promise { this.beforeHandle(this.client, interaction); let success = true; try { await this.commands[this.getCommand(interaction.commandName)].respond(this.client, interaction).catch((e) => {console.log(e); success = false;}); } catch (e) {console.log(e); success = false;} this.afterHandle(this.client, interaction, success); }; public importCommands(dir?: string): SlashManager { dir = dir || './slash'; const commands = fs.readdirSync(dir).filter(file => file.endsWith('.js')); for (const command of commands) { this.add(require(`../${dir}/${command}`)(this.client)); } return this; }; } type CommandLookup = SlashCommand[] | SlashCommand | string | string[];