I\'m using a Sidekiq worker to complete some requests to Facebook after a user signs-in for the first time. Typically the task takes around 20 seconds or so.
I\'d like
Paul, initially you have to take a look on this PubSub on Rails tutorial!
This will be your better solution for notify user when asynchronous things occur/complete in the backend.
tip: If you're using heroku, you'll have a lot of libraries with abstract this complexity for you.