How to call a controller method from a button in rails 4

Question

So I feel really stupid right now, but I can\'t seem to find an answer.

So I have a method which needs to be called EXACTLY once, and since this is only the experime

Answer 1

 <%= button_to 'Invite a user', new_project_invite_path, method: :get, remote: true, class: 'btn primary' %>

If you don't want it to be an Ajax call then you can remove remote: true