server.js

const express = require('express')
const app = express()

const mongoose = require('mongoose')

app.use(express.urlencoded({extended:false}))


mongoose.connect('mongodb://localhost/urlShortner',{
   useNewUrlParser:true,useUnifiedTopology:true
})
   .then(() => {
      console.log('Connected');
   })
   .catch(error => {
      console.log(error);
   })

const ShortUrl = require('./models/shortUrls')

app.set('view engine','ejs')


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(9000,()=>{
   console.log('Server is runing at 9000 port ');
});