app.js

require('dotenv').load();
var fs = require('fs');
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');

var cookieSession = require('cookie-session');
var bodyParser = require('body-parser');
var hbs = require('hbs');
hbs.registerHelper('equal', require('handlebars-helper-equal'));
hbs.registerHelper('compare', function(lvalue, rvalue, options) {
		if (arguments.length < 3)
			throw new Error("Handlerbars Helper 'compare' needs 2 parameters");
		var operator = options.hash.operator || "==";
		var operators = {
			'==':		function(l,r) { return l == r; },
			'===':	function(l,r) { return l === r; },
			'!=':		function(l,r) { return l != r; },
			'<':		function(l,r) { return l < r; },
			'>':		function(l,r) { return l > r; },
			'<=':		function(l,r) { return l <= r; },
			'>=':		function(l,r) { return l >= r; },
			'typeof':	function(l,r) { return typeof l == r; }
		}
		if (!operators[operator])
			throw new Error("Handlerbars Helper 'compare' doesn't know the operator "+operator);
		var result = operators[operator](lvalue,rvalue);
		if( result ) {
			return options.fn(this);
		} else {
			return options.inverse(this);
		}
	});
var bookshelf = require('./db/config.js')

hbs.registerPartial('cart', fs.readFileSync(__dirname + '/views/partials/_cart.hbs', 'utf8'));
hbs.registerPartial('cart-table', fs.readFileSync(__dirname + '/views/partials/_cart-table.hbs', 'utf8'));

var routes = require('./routes/public');
var users = require('./routes/users');
var bookshelfTest = require('./routes/bookshelfTest');
var auth = require('./routes/auth');
var admin = require('./routes/admin');
var shirts = require('./routes/shirts');
var cart = require('./routes/cart');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');

// 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: false }));

app.use(cookieSession({
  name: 'session',
  keys: [
    process.env.SESSIONKEY1,
    process.env.SESSIONKEY2,
    process.env.SESSIONKEY3
  ]
}));
app.use(express.static(path.join(__dirname, 'public')));
// app.use(express.static('public'));

app.use(function(req, res, next){
  if(req.session.userID){
    bookshelf.User.where({id: req.session.userID}).fetch().then(function(user){
      if(user){
        user = user.serialize();
        res.user = user;
        res.locals.user = user;
      }
      next();
    })
  }else{
    next();
  }
})


app.use('/users', users);
app.use('/bookshelf', bookshelfTest);
app.use('/auth', auth);

// Add middleware to keep any non-admins from accessing admin routes.
app.use('/admin', admin);
app.use('/shirts', shirts);


app.use('/cart', cart)
app.use('/', routes);

// 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: {}
  });
});


module.exports = app;