tardis-bot/modules/announcer/index.js

const printf = require('printf');
const AudioQueue = require('../../AudioQueue.js')

module.exports = function (bot, api) {
    bot.on('voiceStateUpdate', async (oldState, newState) => {
        if (newState.member.user.bot) return;
        if (oldState.channel && newState.channel) return;
        const channel = oldState.channel || newState.channel;
        if (!channel) return;
        if (channel.members.size < 2) {
            api.AudioQueue.flush();
            await api.leaveChannel(channel);

        }
        await api.joinChannel(channel);
        let joined = false;
        if (!oldState.channel) {
            joined = true;
            let conn = api.getConnectionForVoiceChannel(channel);
            if (!api.queue) api.queue = new AudioQueue(conn, api);
        }

        let username = newState.member.displayName;
        let str = "";
        if (!joined) {
            str = printf(api.strings.USER_LEFT, username);
        } else {
            str = printf(api.strings.USER_JOINED, username);
        }
        const filepath = await api.generateVoice(str, api.announcementEngine, api.announcementVoice);
        api.queue.add(__dirname + "/sysmsg.wav");
        api.queue.add(filepath);
    })
}