app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var db = require('./src/config/mongodb');
var mongoose = require('mongoose');
var session = require('express-session');
var passport = require('passport');
var flash = require('connect-flash');
var validator = require('express-validator');
var MongoStore = require('connect-mongo')(session);


var indexRouter = require('./src/routes/index');
var userRouter = require('./src/routes/user');
var moviesRouter = require('./src/routes/movies');

var app = express();

if (process.env.NODE_ENV == 'development') {
  /* setting up enviroment variables */
  require('dotenv/config');
  mongoose.connect(db.local, { useNewUrlParser: true });
} else {
  mongoose.connect(process.env.MLAB_KEY, { useNewUrlParser: true });
}

require('./src/config/passport');

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

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(validator());
app.use(cookieParser());
app.use(session({
  secret: 'expressseceret',
  resave: false,
  saveUninitialized: false,
  store: new MongoStore({ mongooseConnection: mongoose.connection }),
  cookie: { maxAge: 100 * 60 * 1000 }
}));
app.use(flash());
app.use(passport.initialize());
app.use(passport.session());
app.use(express.static(path.join(__dirname, 'src/public')));

app.use(function(req, res, next) {
  res.locals.login = req.isAuthenticated();
  res.locals.session = req.session;
  next();
});

app.use('/', indexRouter);
app.use('/user', userRouter);
app.use('/movies', moviesRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

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

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;