This gist acts as my continent controller

ContinentController.js

const _ = require('lodash');

/****************************************************************/
/************   Custom Module Imports      *********************/
/****************************************************************/
const Controller = require('./Controller');
const ContinentModel = require('../model/ContinentModel');

class ContinentController extends Controller {
  constructor() {
    super();
  }

  /****************************************************************/
  /******* Creates A New Continent Resource ***********************/
  /****************************************************************/
  async createContinent(req, res) {
    let {name, status} = req.body;
    let Response = {  status: 200, message: [], data: [] };

    if (typeof name === undefined || name == "") {
      Response.status = 400;
      Response.message.push({ name: 'The continent name is required.' });
    }

    if (!name.match( /^[a-zA-Z-,]+(\s{0,1}[a-zA-Z-, ])*$/)) {
      Response.status = 400;
      Response.message.push({ name: 'Sorry, Only Alphabets are allowed.' });
    }

    if (typeof status === undefined || typeof status !== "boolean") {
      status = true;
    }


    try {

      /****************************************************************/
      /*******     Do some lodash magic       *************************/
      /****************************************************************/

      name = _.escape(name);
      name = _.trim(name);
      name = _.upperFirst(name);
      let slug = _.kebabCase(name);

      /****************************************************************/
      /*******     Check if continent exist     ***********************/
      /****************************************************************/
      const Continent = new ContinentModel();
      const checkContinent = await Continent.fetchOne(name);
      if (checkContinent) {
        Response.status = 400;
        Response.message.push({ name: 'Sorry, this continent already exists.' });
      }

      /****************************************************************/
      /*******     Send Back the error response ***********************/
      /****************************************************************/
      if (Response.status !== 200) {
        res.status(400).json(Response);
        return;
      }

      /****************************************************************/
      /*******  Creates the continent resource  ***********************/
      /****************************************************************/
      const Payload = { name, slug, status };
      let newContinent = await Continent.create(Payload);
      newContinent = _.omit(newContinent[0], ['_id']);

      Response.status = 201;
      Response.data.push(newContinent);
      res.status(201).json(Response);
      return;
    } catch (e) {
      Response.status = 500;
      Response.message.push({
        server: {
          customMessage: `Sorry, an exception occurred and your request could not be completed. `,
          errorName: e.name,
          errorMessage: e.message
        }
      })
      res.status(500).json(Response);
      return;
    }
  }

  /****************************************************************/
  /********* Fetches all Continent Resource ***********************/
  /****************************************************************/
  async fetchContinents(req, res) {
    const Response = { status: 200, message: [], data: [] };

    try {

      const Continent = new ContinentModel();
      const ContinentsCollections = await Continent.fetchAll();

      if (ContinentsCollections.length > 0) {
        Response.data = ContinentsCollections;
        Response.data = super.removeDocumentID(Response.data, _.omit);
        res.status(200).json(Response);
        return;
      }

      Response.status = 204;
      res.status(204).send(Response);
      return;

    } catch (e) {

      Response.status = 500;
      Response.message.push({
        server: {
          customMessage: `Sorry, an exception occurred and your request could not be completed. `,
          errorName: e.name,
          errorMessage: e.message
        }
      })
      res.status(500).json(Response);
      return;

    }
  }
}

const Continent = new ContinentController
module.exports = Continent;