Post route

links.js

router.post('/', function(req, res) {

  readLink(req.param('link'), function(err, summary) {
    if(err) {
      res.status(400);
      res.send('Failed to fetch link: '+req.param('link'));
      return;
    }

    new Link({
      url: req.param('link'),
      _creator: req.user._id,
      title: summary.title,
      image: summary.image,
      sentiment: summary.sentiment,
      keywords: summary.topics,
      words: summary.words,
      difficulty: summary.difficulty,
      readingTime: summary.minutes
    }).save(function(err, link, count) {
      if(err) {
        res.status(400);
        res.render('error', {
          message: 'Could not save link',
          error: err
        })
        return
      }

      res.redirect('/links/'+link._id);
    })
  });
})