cronjobs.js

import { RtmClient, WebClient, CLIENT_EVENTS, RTM_EVENTS } from '@slack/client';
import axios from 'axios';
import express from 'express';
import { messageConfirmation, getQueryParams } from './constants';
import { User, Reminder } from './models';
import moment from 'moment';

const router = express.Router();
const botToken = process.env.SLACK_BOT_TOKEN || '';
const rtm = new RtmClient(botToken);
const channel = 'T6AVBE3GX';

const currentDate = new Date();
const yesterday = new Date(currentDate.getTime());
yesterday.setDate(yesterday.getDate() - 1);


rtm.start();

rtm.on(CLIENT_EVENTS.RTM.RTM_CONNECTION_OPENED, () => {
  Reminder.find()
    .then((reminders) => {
      for (let i = 0; i < reminders.length; i++) {
        const reminder = reminders[i];
        console.log(reminder.date, currentDate);
        if(reminder.date === currentDate.toISOString().slice(0, 10)) {
          console.log("Today");
          rtm.sendMessage(reminder.subject, reminder.userId);
          Reminder.remove({subject: reminder.subject}, (err) => {
            if(err) {
              console.log(err);
            }
          });
        } else if(reminder.date === yesterday.toISOString().slice(0, 10)) {
          console.log("Yesterday");
          rtm.sendMessage(reminder.subject, reminder.userId);
        }
      }
      rtm.sendMessage("oi you cheeky bastard", "D69DB5HHP");
      require('mongoose').connection.close();
      rtm.disconnect();
    });
});