var Notification = can.DefineMap.extend({
    id: "integer",
    title: "string",
    text: "string",
    icon: "string",
    date: "string",
    looked: "string",
});

Notification.List = can.DefineList.extend({
       "#": Notification,
});


Notification.connection = can.connect.superMap({
       url: {
           resource: '/notifications'
       },
       Map: Notification,
       List: Notification.List,
       name: 'notification'
});

Notification.getList({}).then(bind(function(value){
    this.checkUnviewed(value); // Проверка новых сообщений
    this.notifications = value;
}, this));

/**
 *  Проверяет есть ли новое сообщение
 *  @param array
 */
checkUnviewed: function(notifications){
    this.unviewed = notifications.some(function(item){
        return !item.looked;
    });
},