Node.js Web Development - Fourth Edition

Viewing notes – read

Now that we've looked at how to create notes, we need to move on to reading them. This means implementing controller logic and view templates for the /notes/view URL.

To routes/notes.js, add this router function:

// Read Note (read)router.get('/view', async (req, res, next) => {    var note = await notes.read(req.query.key);    res.render('noteview', {        title: note ? note.title : "",        notekey: req.query.key, note: note    });});

Because this route is mounted on a router handling /notes, this route handles /notes/view.

If notes.read successfully reads the note, it is rendered with the noteview template. If something goes wrong, we'll instead display an error to the user through Express.

To the views directory, add the noteview.hbs ...