Angular service that fetches and stores the current, logged-in user

gistfile1.coffee

angular.module("PathgatherApp").factory 'CurrentUser', (["$q", "Restangular", ($q, Rectangular) ->
  current_user = null
  current_user_promise = Restangular.all("users").customGET("current")
  current_user_promise.then (response) ->
    current_user = response

  {
    getUser: () ->
      if current_user?
        deferred = $q.defer()
        deferred.resolve(current_user)
        return deferred.promise
      else
        return current_user_promise
  }