mibew-operator-status-plugin/Controller/OperatorStatusController.php

<?php
/*
* MIT License
*
* Copyright (c) 2016 everyx (lunt.luo@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

namespace Everyx\Mibew\Plugin\OperatorStatus\Controller;

use Mibew\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

/**
* Operator Status actions
*/
class OperatorStatusController extends AbstractController
{
    /**
    * Returns true or false of whether an operator is online or not.
    *
    * @param Request $request
    * @return Response Rendered page content
    */
    public function indexAction(Request $request)
    {
        $is_online = "true";

        $opcode = $request->attributes->get('opcode');
        $online_operators = get_online_operators();
        
        if ( count($online_operators) == 0 ) {
            $is_online = "false";
        } else if ( !empty($opcode) ) {
            $is_online = "false";
            foreach ($online_operators as $item) {
                if ($item['code'] == $opcode) {
                    $is_online = "true";
                    break;
                }
            }
        }

        $response = new Response($is_online);
        $response->headers->set('Access-Control-Allow-Origin', '*');
        return $response;
    }
}