sweetp/dashboard

'use strict';

angular.module('dashboardApp').factory('AsyncConfig', function (AppSettings) {
    var AsyncConfig;

    // Usage:
    // provide a method called 'updateConfig' to update config by settings.
    AsyncConfig = stampit({
        getConfig:function (cb) {
            if (this.config) {
                return cb(null, this.config);
            }

            AppSettings.load(_.bind(function (settings) {
                this.updateConfig(settings);
                cb(null, this.config);
            }, this));
        },

        withConfig:function (cb) {
            this.getConfig(_.bind(cb, this));
        }
    });

    AsyncConfig.enclose(function () {
        AppSettings.on('save', _.bind(function () {
            // reset config so it gets updated on next 'get' operation
            this.config = null;
        }, this));
    });

    AsyncConfig.state({
        config:null
    });

    return AsyncConfig;
});