MyApp.User = SC.Record.extend({

  username: SC.Record.attr(String),

  contactEmail: SC.Record.attr(String),



  account: SC.Record.toOne(“MyApp.Account”, {

    inverse: “users”, isMaster: NO

  }),



  groups: SC.Record.toMany(“MyApp.UserGroup”, {

    inverse: “users”, isMaster: NO

  }),



  belongsToGroup: function(group) {

    return !!this.get(‘groups’).findProperty(‘name’, group);

  }.property(‘groups’).cacheable()

});