app.js

//Includes
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var passport = require('passport');
var passportConfig = require("./config/passport.js");
var session = require('express-session');
var hbs = require('hbs');
var fs = require('fs');


/**
 * Start App
 */
app = express();
app.db = require('./config/db.js');

 /**
 * Views info...
 */
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');
hbs.registerPartials(__dirname + '/../views/partials');

hbs.registerHelper("math", function(lvalue, operator, rvalue, options) {
    lvalue = parseFloat(lvalue);
    rvalue = parseFloat(rvalue);

    return {
        "+": lvalue + rvalue,
        "-": lvalue - rvalue,
        "*": lvalue * rvalue,
        "/": lvalue / rvalue,
        "%": lvalue % rvalue
    }[operator];
});

/**
 * Middleware
 */
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
//Middleware


/**
 * Pasport Init...
 */
app.use(session({ secret: 'P/#fL5P_Wn/z?fmDP8Zo^WKPgu3]' }));
app.use(passport.initialize());
app.use(passport.session());


/**
 * Routes
 */
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(express.static(path.join(__dirname, 'public')));
//require('./routes/routes.js')(app, passport);

routeFiles = fs.readdirSync('./routes/');
routeFiles.forEach(file => {
    var infile = path.join(__dirname, './routes', path.basename(file));
    require(infile)(app, passport);
});

// 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 handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});

/**
 * package up...
 */
module.exports = app;