app.js

'use strict';
var debug = require('debug');
var express = require('express');
var path = require('path');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var swaggerUi = require('swagger-ui-express');
var swaggerDocument = require('./swagger.json');

var routes = require('./routes/index');
var articles = require('./routes/articles');

var app = express();

mongoose.Promise = global.Promise;
//mongoose.connect('mongodb+srv://test-user:eYXJLqnHRmusOcjI@iftest-4l1yx.mongodb.net/test?retryWrites=true&w=majority', { useNewUrlParser: true })
mongoose.connect('mongodb://localhost:27017/h2o-demo', { useNewUrlParser: true })
    .then(() => console.log('connection succesful'))
    .catch((err) => console.error(err));

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

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')));

app.use('/', routes);
app.use('/api/v1/articles', articles);
app.use('/api/v1/articles/search', articles);
app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(swaggerDocument));

// 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: {}
    });
});

app.set('port', process.env.PORT || 3000);

var server = app.listen(app.get('port'), function () {
    debug('Express server listening on port ' + server.address().port);
});