router.js

// For more information see: http://emberjs.com/guides/routing/

App.Router.map(function() {
  this.resouce('plan', function() {
    this.resource('projects', function() {
      this.resource('project', {path: ':project_id'})
    });
  });
});

App.PlanRoute = Ember.Route.extend({
  model: function() {
    return Em.RSVP.hash({
      projects: this.store.find('project'),
      somethingElses: this.store.find('somethingElse')
  },
  
  setupController: function(controller, context) {
    // not setting anything to controller passed in (which will be PlanController)
    // this is because there doesn't seem to be a plan model. If there is, add it to the hash
    // and set it's model here

    this.controllerFor('projects').set('model', context.projects);
    this.controllerFor('somethingElses').set('model', context.somethingElses);
  }
});

App.PlanController = Em.Controller.extend({
  needs: ['projects', 'somethingElses']
  projectsCount: Em.computed.alias('controllers.projects.length'),
  somethingElsesCount: Em.computed.alias('controllers.somethingElses.length'),
});

App.ProjectsController = Em.ArrayController.extend()
App.SomethingElsesController = Em.ArrayController.extend()