Simple news app using Mongo

index.js

const express = require('express')
const app = express()
const cors = require('cors')
app.use(cors())
// Mongoose
const mongoose = require('mongoose')
mongoose.connect('mongodb://localhost/blog', { useNewUrlParser: true, useUnifiedTopology: true })
const db = mongoose.connection
// Listen on connection error
db.on('error', function (err) {
    console.log(err)
})
// Listen on connection success
db.on('open', function () {
    console.log('Connection Established ...')
    app.listen(3000, function () {
        console.log('Server is running ...')
    })
})
// Create Schema
const akhbarSchema = new mongoose.Schema({
    title: String,
    content: String
})
// Create Model
const KhabarModel = mongoose.model('Khabar', akhbarSchema)
// Mongoose

app.get('/', function (req, res) {
    KhabarModel.find(function (err, result) {
        res.send(result)
    })
})

app.get('/save', function (req, res) {
    const enwanAlkhabar = req.query.formTitle
    const nasAlkhabar = req.query.formContent
    const khabarGadid = new KhabarModel({
        title: enwanAlkhabar,
        content: nasAlkhabar
    })
    khabarGadid.save(function (err, result) {
        res.send('Saved successfully.')
    })
})

app.get('/:x', function (req, res) {
    const khabarId = req.params.x
    KhabarModel.findById(khabarId, function (err, result) {
        res.send(result)
    })
})