Service for sharing the current user logged user between multiple controllers

CurrentUserService.coffee

angular.module('app')
  .factory('CurrentUserService', [
    '$q', '$rootScope', 'UserService',
    ($q, $rootScope, UserService)->
      myService = {}
      myService._initialized = false
      myService.refresh = ->
        # Create the defer to promise data
        deferred = $q.defer()
        # Get the data from the API
        UserService.get_current_user().then((current_user)->
          # Return the promised content
          deferred.resolve(current_user)

          if myService._initialized
            $rootScope.$broadcast('newCurrentUser', deferred.promise)

          myService._initialized = true
        )
        # Promise the data
        myService.current_user = deferred.promise
        return deferred.promise

      myService.refresh()
      return myService
  ])

ExampleController.coffee

angular.module('app').controller("ExampleCtrl", [
  '$scope', 'CurrentUserService', 'UserService',
  ($scope, CurrentUserService, UserService) ->
    original = {}
    CurrentUserService.current_user.then((current_user) ->
      original = angular.copy(current_user)
      $scope.current_user = current_user
      $scope.user = current_user
    )

    $scope.updateUser = () ->
      # Update the user here
      
      # To refresh the current user do
      CurrentUserService.refresh()
])

UserService.coffee

angular.module('app')
  .factory('UserService', [
    'Restangular', 'User',
      (Restangular, User) ->

        model = 'users'
        Restangular.setBaseUrl('/api/v1')
        Restangular.extendModel(model, (obj)->
          angular.extend(obj, User)
        )

        Restangular.setRestangularFields {
          id: "username"
        }

        get_current_user: ->
          Restangular.all(model).get('logged_user')

        get: (username) ->
          Restangular.one(model, username).get()
])