ChatR namespace and ViewModels

gistfile1.js

/*
 * Author: Valerio Gheri
 * Date: 22/07/2012
 * Description: ChatR namespace js file and viewmodels declaration
 */

// Namespace
var chatR = {};

// Models

chatR.chatMessage = function (sender, content, dateSent) {
    var self = this;
    self.username = sender;
    self.content = content;
    if (dateSent != null) {
        self.timestamp = dateSent;
    }
}

chatR.user = function (username, connectionId) {
    var self = this;
    self.username = username;
    self.id = connectionId;
}

// ViewModels

chatR.chatViewModel = function () {
    var self = this;
    self.messages = ko.observableArray();
}

chatR.connectedUsersViewModel = function () {
    var self = this;
    self.contacts = ko.observableArray();
    self.customRemove = function (userToRemove) {
        var userIdToRemove = userToRemove.id;
        self.contacts.remove(function (item) {
            return item.id === userIdToRemove;
        });
    }
}