WhatsappBot.js

class WhatsappBot {
  /**
   * @memberof WhatsappBot
   * @param {object} req - Request sent to the route
   * @param {object} res - Response sent from the controller
   * @param {object} next - Error handler
   * @returns {object} - object representing response message
   */
  static async googleSearch(req, res, next) {
    const twiml = new MessagingResponse();
    const q = req.body.Body;
    const options = { cx, q, auth: googleApiKey };

    try {
      const result = await customsearch.cse.list(options);
      const firstResult = result.data.items[0];
      const searchData = firstResult.snippet;
      const link = firstResult.link;

      twiml.message(`${searchData} ${link}`);

      res.set('Content-Type', 'text/xml');

      return res.status(200).send(twiml.toString());
    } catch (error) {
      return next(error);
    }
  }
}