server.js

const express = require("express");
const mongoose = require("mongoose");
const connectDB = require('./db/connection');
const articlerouter = require('./routes/articles');
const Article = require("./models/article");
const methodOverride = require('method-override');
const app = express();

connectDB();

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


// .urlencoded(), helps accessing all the parameters from new articles forms, inside articles router, in (req.body.)
app.use(express.urlencoded({extended: false}));
app.use(methodOverride('_method'));

app.get('/', async(req, res)=>{
    const articles = await Article.find().sort({createdAt: 'desc'});
    res.render('articles/index', {articles:articles});
})

// if this below is above urlencoder, we'll get an error, saying cant read title property of undefined
// meaning req.body == undefined
app.use('/articles',articlerouter);

app.listen(5000);