discourse_show_post_rev.js

Discourse.PostView.reopen({
    _processHistoryLink: function() {
            window.processLinks(); //scan for history::topic_id::revision pattern in a <kbd><code></code></kbd>
        }.on('didInsertElement') //fire on every post render, not ideal for processLinks function we could be fine if it fire once for each post chunks being added.

});



Discourse.__container__.lookup("route:topic").reopen({
    actions: {
        showHistoryByPostId: function(postID, rev) {
            ff = Discourse.__container__.lookup("route:topic");
            Discourse.Route.showModal(this, 'history', postID);
            this.controllerFor("history").refresh(postID, rev);
            this.controllerFor('modal').set('modalClass', 'history-modal');
            return false;
        }
    }
});


window.processLinks = function() {
    $("kbd>code").each(function(a, b) {
        b = $(b);
        var m = b.text().match(/(history)::(\d+)::(\d+)/)
        console.log("Match?", m);
        if (m != null) {
            var post_id = m[2]
            var post_rev = m[3]
            a = $("<div style='cursor:pointer;display:block !important'>See History of post " + post_id + " Rev" + post_rev + "</div>");
            a.click(function() {
                Discourse.__container__.lookup("route:topic").send("showHistoryByPostId", parseInt(post_id), parseInt(post_rev));
            });
            b.html("");
            b.append(a);
        }
    });
};