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import makeDir from 'make-dir';
import {Client, Message, Collection} from 'discord.js';
import {inject, injectable} from 'inversify';
import {TYPES} from './types';
import {Settings} from './models';
import {sequelize} from './utils/db';
import handleGuildCreate from './events/guild-create';
import container from './inversify.config';
import Command from './commands';
@injectable()
export default class {
private readonly client: Client;
private readonly token: string;
private readonly clientId: string;
private readonly dataDir: string;
private readonly cacheDir: string;
private readonly commands!: Collection<string, Command>;
constructor(@inject(TYPES.Client) client: Client, @inject(TYPES.Config.DISCORD_TOKEN) token: string, @inject(TYPES.Config.DISCORD_CLIENT_ID) clientId: string, @inject(TYPES.Config.DATA_DIR) dataDir: string, @inject(TYPES.Config.CACHE_DIR) cacheDir: string) {
this.client = client;
this.token = token;
this.clientId = clientId;
this.dataDir = dataDir;
this.cacheDir = cacheDir;
this.commands = new Collection();
}
public async listen(): Promise<string> {
// Load in commands
container.getAll<Command>(TYPES.Command).forEach(command => {
this.commands.set(command.name, command);
});
this.client.on('message', async (msg: Message) => {
// Get guild settings
if (!msg.guild) {
return;
}
const settings = await Settings.findByPk(msg.guild.id);
if (!settings) {
// Got into a bad state, send owner welcome message
return this.client.emit('guildCreate', msg.guild);
}
const {prefix, channel} = settings;
if (!msg.content.startsWith(prefix) || msg.author.bot || msg.channel.id !== channel) {
return;
}
const args = msg.content.slice(prefix.length).split(/ +/);
const command = args.shift()!.toLowerCase();
if (!this.commands.has(command)) {
return;
}
try {
const handler = this.commands.get(command);
handler!.execute(msg, args);
} catch (error) {
console.error(error);
msg.reply('there was an error trying to execute that command!');
}
});
this.client.on('ready', async () => {
// Create directory if necessary
await makeDir(this.dataDir);
await makeDir(this.cacheDir);
await sequelize.sync({});
console.log(`Ready! Invite the bot with https://discordapp.com/oauth2/authorize?client_id=${this.clientId}&scope=bot`);
});
// Register event handlers
this.client.on('guildCreate', handleGuildCreate);
return this.client.login(this.token);
}
}
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