gurubot2/src/server/modules/cron.js

const cron = require('node-cron');

const { annoyUsers } = require('server/routes/annoy');

function setupCron(config, db, logger) {
    if (!config.schedule) {
        logger.warn('Not setting up schedule as it is not defined. Please define the SCHEDULE_ANNOY env variable as a cron schedule, e.g. SCHEDULE_ANNOY=10 1 * * *');

        return;
    }

    const task = async () => {
        logger.verbose('Running annoy on schedule!');

        await annoyUsers(config, db, logger);
    };

    const schedules = config.schedule.split(',');

    schedules.forEach(schedule => {
        logger.verbose('Scheduling annoy at', schedule);

        cron.schedule(schedule, task);
    });
}

module.exports = {
    setupCron
};