app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
const mongoose = require('mongoose');
const cors = require('cors');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
const dishesRoutes = require('./routes/dish.routes');
const orderRoutes = require('./routes/order.routes');

// ============
// Database configuration
// ============
// Compatibility of MongoDB >=3.6 with Mongoose < v5.0.0
mongoose.plugin(schema => {
  schema.options.usePushEach = true
});

// Native promises in Mongoose
mongoose.Promise = Promise;

// Connect
mongoose.connect("mongodb://127.0.0.1:27017/the_best_dish", {useNewUrlParser: true});
mongoose.connection.on("open", function () {
  console.log("MongoDB connection opened");
});


var app = express();

app.use(cors());

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

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/dishes', dishesRoutes);
app.use('/order', orderRoutes);

// 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;