Web Development with Clojure, 3rd Edition

Authorship

Currently, posts have an author name associated with them, but there’s no association with an account. Let’s add that relationship so that we can enhance posts to include elements from the author’s profile.

Associate Messages with Accounts

Let’s think about what the author relationship will look like. Is an author always present? Not necessarily. What if an account is deleted? What if we want to allow anonymous posts? All these concerns can be addressed by creating an optional foreign key and handling posts without it.

Also, since we’re constructing the expected message rather than getting it back from the save-message! function, we need to update this behavior in two different places: Ajax and WebSockets. We can do better than this, ...