obama-bot/util/login.js

const { client, logger } = require('../index');

module.exports.run = () => {
    return new Promise((resolve, reject) => {
        const token = process.env.BOT_TOKEN;
        if (!token) {
            logger.error('No bot token provided. Please provide the bot token as environment variable \'BOT_TOKEN\'.');
            process.exit(1);
        }

        logger.info('Logging in');
        const loginStartTime = Date.now();
        client.login(token)
            .catch(error => {
                logger.error(`Failed to log in\n${error}`);
                process.exit(1);
            });

        client.on('ready', () => {
            logger.done(
                `Logged in as ${client.user.tag}\n` + 
                logger.createBox([
                    `Login took ${Date.now() - loginStartTime}ms`,
                    `${client.guilds.cache.size} cached guilds`,
                    `${client.users.cache.size} cached users`
                ])
            );
            resolve();
            
            // Set the bot's activity and update it every 60 seconds in case it gets reset
            let setActivity = () => {
                try {
                    // Activity type 5 corresponds to 'Competing in': https://discord.com/developers/docs/game-sdk/activities#data-models-activitytype-enum
                    client.user.setPresence({ activity: { type: 5, name: 'being Obama' }, status: 'dnd' })
                        .then(() => logger.debug('Updated activity'));
                } catch(e) {
                    console.error(e);
                }
            }
            
            setActivity();
            setInterval(setActivity, (1000 * 60));
        });
    });
}