app.js

/**
 * This sample app show-cases the `NoGap` framework renders a simple web page.
 * We use Angular + Bootstrap + Font-Aweseom, but none of that is required to use NoGap components.
 */
"use strict";


const process = require('process');
process.on('uncaughtException', function (err) {
    console.error('[UNCAUGHT ERROR]');
    console.error(err.stack);
});

global.Promise = require('bluebird');

// load express
var express = require('express');
var cookieParser = require('cookie-parser');
var session = require('express-session');

// load squishy
require('squishy');

// add shutdown handler
require('./lib/maintenance');
    
// load config
var appConfig = require('./appConfig');

// setup logging
require('./lib/logging');

// Warming up...
console.log('Starting server. Please wait...');

// setup express + session & cookie management
// Note: The default implementations for components bootstrapping and transport
//       require an express application object, as well as session mnagement, to work.
var app;
(function setupExpress() {
// start express
    app = express();

    app.use(cookieParser()); // required for `express-session` module

    app.set('title', 'NoGap Test App');   // set title

    // install session manager:
    app.use(session({
        // secret token
        secret: 'mySuperCoolSecret123qwerty',
        resave: true,
        saveUninitialized: true,
        
        // default cookie settings
        cookie: {
            path: '/',
            httpOnly: true
        },

        // We are not using a store, so our session won't persist through server re-starts.
        // store: ????
    }));
})();


(function installNoGap() {
    // Default way of including `NoGap`:
    var NoGap = require('nogap');

    // initialize NoGap
    return NoGap.Loader.start(app, appConfig.nogap);
})().then(() => {
    // fall back handler for unhandled routes:
    app.use(function(req, res, next) {
        err = new Error('Not Found: ' + req.originalUrl);
        err.status = 404;
        next(err);
    });

    // error handler
    app.use(function(err, req, res, next) {
        var status = err.status || 500;
        console.warn('Invalid request (' + status + '): ' + err.stack || err);
        
        res.writeHead(status, {'Content-Type': 'text/html'});
        if (appConfig.dev) {
            res.write('<pre>' + err.stack + '</pre>');
        }
        res.end();
    });

            
    // start HTTP server:
    (function startServer() {
        app.set('port', appConfig.httpd.port || 8080);

        try {
            app.serverInstance = app.listen(app.get('port'), function() {
                console.log('Test app is now up and running at port ' + app.serverInstance.address().port);
            });
        }
        catch (err) {
            // exit on error
            process.exit(err);
        }
    })();
});

module.exports = app;