Remove old AuthHelpers class.

/**

 * A mixin for Comments controller to help with authentication.

 */

Ext.define('Docs.controller.AuthHelpers', {

    /**

     * Performs request to the comments server.

     *

     * Works as if calling Ext.Ajax.request or Ext.data.JsonP.request

     * directly, but prefixes the URL with docs base URL and database

     * name and adds Session ID.

     *

     * @param {String} proxy Should we perform "ajax" or "jsonp" request.

     * @param {Object} config

     * @protected

     */

    request: function(type, config) {

        config.url = this.addSid(Docs.baseUrl + '/' + Docs.commentsDb + '/' + Docs.commentsVersion + config.url);

        if (type === "jsonp") {

            Ext.data.JsonP.request(config);

        }

        else {

            // Allow doing Cross Origin request.

            config.cors = true;

            Ext.Ajax.request(config);

        }

    },

    addSid: function(url) {

        var sid = this.getController('Auth').sid;

        return url + (url.match(/\?/) ? '&' : '?') + 'sid=' + sid;

    },

    /**

     * Returns true if user is logged in.

     */

    isLoggedIn: function() {

        return this.getController('Auth').isLoggedIn();

    }

});