如何将Rails current_user传递给AngularJS工厂API调用?

In my Rails app I have users, and these can create posts that are associated to their account. I have a route, "/api/:user_id/submissions/:id(.:format)" => "submissions#usersubmission" which successfully will show the users post if the id matches with one associated to them. In my Rails app I have users, and these can cre