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const express = require('express');

const bodyParser = require('body-parser');

const moment = require('moment');

const posts = [];

const pageSize = 5;

const app = express();

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

app.use(bodyParser.json());

app.use(bodyParser.urlencoded({extended:true}));

app.get('/', (req, res) => {

let currentPage = 1;

const totalPosts = posts.length;

const pageCount = Math.ceil(totalPosts / pageSize);

if(req.query.page){

currentPage = parseInt(req.query.page, 10);

}

const start = (currentPage - 1) * pageSize;

const end = currentPage * pageSize;

res.render('index',

{

posts: posts.slice(start,end),

pageSize: pageSize,

pageCount: pageCount,

currentPage: currentPage,

}

);

});

app.post('/new', (req, res) => {

const post = {

id: posts.length + 1,

videoID: req.body.videoID,

timestamp: moment().format(),

timestampStr: moment().fformat,

};

posts.unshift(post);

res.status(200).json(post);

});

app.listen(3000, () => {

console.log('Server listening on port 3000');

});