gistfile1.js

// Controller for fetching the records
App.leaderboardController = SC.ArrayProxy.create({
  content: [],

  loadUsers: function() {
    var self = this;

    $.getJSON('/leaderboard/username/year/month', function(data) {
      data.forEach(function(leader) {
        self.pushObject(leader.leader);
      })
    });
  },

  podiums: function() {
    return this.get('content').slice(0, 3)
  }.property('content'),
  
  places: function() {
    return this.get('content').slice(3, 10)
  }
});

// Very simple view
App.PodiumView = SC.CollectionView.extend({
  contentBinding: 'App.leaderboardController.podiums',
  tagName: 'ol'
});