app.js

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 moment       = require('moment');
const createSessionMiddleware = require('./lib/middleware/withSession');

var app = express();

// View engine setup
var handlebars = require('express-handlebars')
  .create({
    defaultLayout : 'main',
    extname       : '.hbs',
    helpers       : require('./lib/view/helpers')(),
  });

app.engine('.hbs', handlebars.engine);
app.set('view engine', '.hbs');

// Add single reference to the model into application object
// and reuse it whenever an access to DB is needed
app.set('db_model', require('./lib/model/db'));

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



// Setup authentication mechanism
const passport = require('./lib/passport')();

app.use(createSessionMiddleware({
  sequelizeDb: app.get('db_model').sequelize,
}))
app.use(passport.initialize());
app.use(passport.session());



// Custom middlewares
//
// Make sure session and user objects are available in templates
app.use(function(req,res,next){

  // Get today given user's timezone
  var today;

  if ( req.user && req.user.company ) {
    today = req.user.company.get_today();
  } else {
    today = moment.utc();
  }

  res.locals.session     = req.session;
  res.locals.logged_user = req.user;
  res.locals.url_to_the_site_root = '/';
  res.locals.requested_path = req.originalUrl;
  // For book leave request modal
  res.locals.booking_start = today,
  res.locals.booking_end = today,
  res.locals.keep_team_view_hidden =
    !! (req.user && req.user.company.is_team_view_hidden && ! req.user.admin);

  next();
});

app.use(function(req,res,next){
    res.locals.custom_java_script = [
      '/js/bootstrap-datepicker.js',
      '/js/global.js'
    ];
    res.locals.custom_css = [
      '/css/bootstrap-datepicker3.standalone.css'
    ];

    next();
});

// Enable flash messages within session
app.use( require('./lib/middleware/flash_messages') );

app.use( require('./lib/middleware/session_aware_redirect') );

// Here will be publicly accessible routes

app.use(
  '/feed/',
  require('./lib/route/feed')
);

app.use(
  '/integration/v1/',
  require('./lib/route/integration_api')(passport)
);

app.use(
  '/',
  require('./lib/route/login')(passport),

  // All rotes bellow are only for authenticated users
  require('./lib/route/dashboard')
);

app.use('/api/v1/', require('./lib/route/api'));

app.use(
  '/calendar/',
  require('./lib/route/calendar')
);

app.use(
  '/settings/',
  require('./lib/route/settings')
);

// '/settings/' path is quite big hence there are two modules providing handlers for it
app.use('/settings/', require('./lib/route/departments'));
app.use('/settings/', require('./lib/route/bankHolidays'));

app.use(
  '/users/',
  // Order of following requires for /users/ matters
  require('./lib/route/users/summary'),
  require('./lib/route/users')
);

app.use(
  '/requests/',
  require('./lib/route/requests')
);

app.use(
  '/audit/',
  require('./lib/route/audit')
);

app.use(
  '/reports/',
  require('./lib/route/reports')
);

// catch 404
app.use(function(req, res, next) {
  res.render('not_found');
});


// 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;