app.js

global.Joi = require('joi');
const express = require('express');
const path = require('path');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const _ = require('lodash');
const app = express();
const cors = require('cors');
const Validatior = require('./lib/validatorMiddleware');
const colors = require('./lib/colors');
//const moduleAlias = require('module-alias');
const swaggerUi = require('./lib/doc');
const swaggerDocument = require('./swagger.json');
const package = require('./package.json');

/*  Add Path Aliases  */
// moduleAlias.addAliases({
// 	'@models'  : __dirname + '/db/models',
// 	'@colors'  : __dirname + '/lib/colors',
// 	'@lib'  : __dirname + '/lib'
// })
/* ------------------------- */ 

app.use(cors());
app.set('build', path.join(__dirname, 'build'));
app.engine('html', require('ejs').renderFile);
app.set('view engine', 'html');

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static('build'));

let swaggerPaths = [];
let swaggerObject = {};
const api_version = [
	'v1'
]

console.log("\n\n")
_.each(require(`./config/${api_version[0]}`),  controller => {
	_.each(require(`./config/${api_version[0]}/` + controller),  (verbs, url) => {
		_.each(verbs,  (def, verb) => {
			if(def.hasOwnProperty("html") && def.html){
				app.get(url, function(req, res) {
					res.render(def.file);
				});
			}else{
				console.log(colors.bg.Blue, colors.fg.White, 'route ' + url + ' - method - ' ,colors.bg.Red, colors.fg.White, verb.toUpperCase(), colors.Reset, colors.bg.Blue, colors.fg.White,"From - ./controllers/" + controller + ".js", colors.Reset);
				var method = require(`./controllers/${api_version[0]}`)[controller][def.method];
				if(def['swagger']) {
					let swaggerPathsObj = {};
					let swaggerPathsMethod = {};
					swaggerPathsMethod[verb] = def['swagger'];
					swaggerPathsObj[url] = swaggerPathsMethod;
					swaggerPaths.push(swaggerPathsObj);
				}
				app[verb](url, [Validatior.validate(def)], method);
			}
		})
	})
})
console.log("\n\n")
_.each(swaggerPaths, (obj) => { 
	_.each(obj, (path,key) => { 
		let __obj = {};
		_.each(path, (method,methodKey) => { 
			__obj[methodKey] = method;
		})
		swaggerObject[key] = _.extend(swaggerObject[key],__obj);
	})
})
console.log()
swaggerDocument.paths = swaggerObject;
swaggerDocument.info = package.applicationInfo;

if(package['swagger-path']){
	app.use( package['swagger-path'] , swaggerUi.serve, swaggerUi.setup(swaggerDocument));
}

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  if(err.isValidationError){
	  console.log( err.output);
	  return res.status(err.output.statusCode).json(err.output)
	  
  }
  console.log("\n\n\n error",  err , "\n\n\n");
  // render the error page
  res.status(err.status || 500);
  res.render('error', { errorString : err.message });
});

module.exports = app;