var rate = function(data) {
    var self = this;
    self.id = ko.observable();
    self.sku = ko.observable();
    self.name = ko.observable();
    self.description = ko.observable();
    self.amount = ko.observable();
    self.facevalue = ko.observable();
    self.floor = ko.observable();
    self.chargingtype = ko.observable();
    self.type = ko.observable();
    self.ceiling = ko.observable();
    self.user_id = ko.observable();
    self.email = ko.observable();
    self.product = ko.observable();
    self.sku = ko.observable();
    self.type = ko.observable();
    self.editThis = ko.observable();
    self.reward_points = ko.observable();
    self.base_currency = ko.observable();
    self.category = ko.observable();
    self.charges = ko.observable();
    self.originalRate = ko.observable();
    if (data) {
        self.update(data);
    }
};

rate.prototype.update = function(data) {
    this.id(data.id);
    this.sku(data.sku);
    this.name(data.name);
    this.description(data.description);
    this.user_id(data.user_id);
    this.amount(data.amount);
    this.facevalue(data.facevalue);
    this.floor(data.floor);
    this.ceiling(data.ceiling);
    this.chargingtype(data.chargingtype);
    this.email(data.email);
    this.product(data.product);
    this.sku(data.sku);
    this.type(data.type);
    this.reward_points(data.reward_points);
    this.base_currency(data.base_currency);
    this.category(data.category);
    this.charges(data.charges);
    this.editThis(data.editThis);
    this.originalRate(data.originalRate);
};