migrate-db.js

'use strict';

module.exports = function (params) {

  require('config/init')();
  const config = require('config/config');
  const log = require('config/log')(module);

  const DBMigrate = require('db-migrate');

  log.info('Running migration...');

  const callback = (err) => process.exit(err ? 1 : 0);

  const intCallback = (err) => {
    if (err) {
      log.error(err);
      log.error(err.originalErr);
      return callback(err);
    }
    console.log('Migration completed');
    callback();
  };

  const dbMigrate = DBMigrate.getInstance(true, {
    config: {
      dev: config.mongo
    }
  });

  const isUp = (process.argv[4] !== 'down');
  const count = process.argv.length > 5 ? process.argv[5] : undefined;

  if (isUp) {
    console.log('migrating up');
    dbMigrate.up(count, null, intCallback);
  } else {
    console.log('migrating down');
    dbMigrate.down(count, null, intCallback);
  }
};