sync.js

'use strict';

/**
 * Module dependencies.
 */

const
  path            = require('path'),
  mongoose        = require('mongoose'),
  autoIncrement   = require('mongoose-auto-increment'),
  debug           = require('debug'),
  dotenv          = require('dotenv'),
  requireDir      = require('require-dir'),
  _               = require('underscore'),
  TelegramBot     = require('node-telegram-bot-api');

/**
 * Application specific configurations.
 */
const
  log               = debug('telegrambot-reanderman:server'),
  env               = process.env,
  EXECUTION_TIMEOUT = 1000 * 60 * 10; // 10 minutes

dotenv.load({
  path: path.join(__dirname, '.env')
});

_.defaults(env, {
  NODE_ENV: 'development',
  PORT: 9000
});

/**
 * Creates an Application.
 */
const db      = mongoose.connect(process.env.MONGO_URL, { options: { db: { safe: true } } }, (e) => {
  if (e) throw e;

  log('Connected to mongodb.');

  mongoose.set('debug', process.env.NODE_ENV === "development");
  autoIncrement.initialize(db);

  // Bootstrap models
  requireDir('./models');
  log('Bootstrapped models.');

  // Create push-only bot
  const
    bot = new TelegramBot(env.TELEGRAM_BOT_TOKEN, {
      webHook: false,
      polling: false
    });

  log('Created bot. Starting sync...');

  // Register execution timeout
  setTimeout(() => {
    log('Reached timeout. Exiting now!');
    process.exit(1);
  }, EXECUTION_TIMEOUT);

  // Bootstrap scheduler
  require('./workers/sync')(bot);
});