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server.js
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server.js
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const express = require('express');
const app = express();
const path = require('path');
const exphbs = require('express-handlebars');
const news = require('./news.js');
const MongoClient = require('mongodb').MongoClient;
// setting handlebars options and helpers
const hbs = exphbs.create({
helpers: {
dateSincePosted: (dateSince) => {
const today = new Date();
const dateArticle = new Date(dateSince);
const timeInMilisec = today.getTime() - dateArticle.getTime();
return (Math.floor(timeInMilisec / (1000 * 60 * 60 * 24)));
}
},
extname: 'hbs',
defaultLayout: 'main',
layoutsDir:__dirname + '/views/layouts/'
});
app.listen(3000, () => {
console.log("server started");
news.getArticles();
});
// view engine setup //
app.set('views', path.join(__dirname, 'views'));
app.engine('hbs', hbs.engine);
app.set('view engine', 'hbs');
// answering GET request
app.get('/', async (req, res) => {
console.log("someone tried to connect");
try {
const context = await getContext();
console.log("got context");
res.render('home', context);
} catch (err) {
console.log (err);
}
});
// extracting article from local database
async function getContext () {
try {
const lastWeekDate = new Date(new Date().setDate(new Date().getDate()-7)).toISOString();
const client = await MongoClient.connect('mongodb://localhost:27017/watchDB');
const db = client.db('watchDB');
let array = await db.collection('test4').find({"date": {$gte: `${lastWeekDate}`}}).toArray();
let recentArticles = array.sort( (a,b) => {
return (new Date(b.date) - new Date(a.date));
});
console.log(recentArticles);
const context = { recentArticles };
client.close();
return context;
} catch (err) {
console.log(err);
}
}