Kakise/Kaki-Static

const express = require('express');
const router = express.Router();
const article = require('../services/article.js');
const toRead = require('reading-time');
const marked = require('marked');

function disqus(id) {
    if (typeof process.env.disqus !== "undefined")
        return `
        <div id="disqus_thread"></div>
        <script>
            var disqus_config = function () {
                this.page.url = window.location.href;
                this.page.identifier = '${id}';
            };
            (function() { // DON'T EDIT BELOW THIS LINE
                var d = document, s = d.createElement('script');
                s.src = 'https://${process.env.disqus}.disqus.com/embed.js';
                s.setAttribute('data-timestamp', +new Date());
                (d.head || d.body).appendChild(s);
            })();
        </script>`;
}

router.get('/:slug', (req, res, next) => {
    article.getArticle(req.params.slug).then((article) => {
        article = article.items[0];
        article.fields.article = marked(article.fields.article) + disqus(req.params.id);
        article.fields.desc = marked(article.fields.article);
        res.render('article', {
            article: article.fields,
            toRead: Math.trunc(parseInt(toRead(article.fields.article).time, 10) / 60000), // Return an estimation in minutes
            version: require("../package.json").version
        });
    }).catch(error => {
        const err = new Error(error.message);
        err.status = 404;
        next(err);
    });
});

module.exports = router;