server.js

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

require('dotenv').config();

const app = express()
const port =process.env.PORT || 5000;

// const uri = process.env.ATLAS_URI;

// mongoose.connect(uri, { useNewUrlParser: true, useUnifiedTopology:true, useCreateIndex:true})
// const connection = mongoose.connection;
// connection.once('open',() => {
//     console.log("MongoDB database connection established sucessfully");
// })
mongoose.connect("mongodb://localhost:/urls",{ useNewUrlParser:true, useUnifiedTopology: true},(error)=>{
	if(!error)
	{
		console.log("Succefully connect to the urls DB");
	}
	else
	{
		console.log("Error to Stablish Connection");
	}
});

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.inputurl })

  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(port || 5000 , () => {
    console.log(`Server is running on port: ${port}`)
});