server.js

const express = require('express');
const mongoose = require('mongoose');
const app = express();
const ShortUrl = require('./models/shortUrl')

mongoose.connect('mongodb+srv://admin-priyanshi:School123@cluster0.6v91v.mongodb.net/urlShortner', {
	useNewUrlParser: true, useUnifiedTopology: true
});
// mongodb+srv://admin-priyanshi:<password>@cluster0.6v91v.mongodb.net/myFirstDatabase?retryWrites=true&w=majority
app.set('view engine', 'ejs');
app.use(express.urlencoded({extended: false}));

app.get('/', async (req, res) => {
	const shortUrls = await ShortUrl.find();
	res.render('index', {shortUrls: shortUrls});
});

app.post('/shortUrls', async (req, res) => {
	await ShortUrl.create({full: req.body.fullUrl});
	res.redirect('/');
});

app.get('/:shortUrl', async(req, res) => {
	const shortUrl = await ShortUrl.findOne({short: req.params.shortUrl});
	if (shortUrl == null) return res.sendStatus(404);

	shortUrl.clicks++;
	shortUrl.save();

	res.redirect(shortUrl.full);
})

app.listen(process.env.PORT || 3000);




// learn async await