*
 * Cities
 * Shows jobs per city
 */
$app->group('/cities', function () use($app) {
    // get cities index
    $app->get('/', function () use($app) {
        $app->redirect(BASE_URL);
    });
    // rss city jobs
    $app->get('/:id/:name/rss', function ($id, $name) use($app) {
        global $lang;
        $id = (int) $id;
        $city = new Cities($id);
        $info = $city->findCity();
        $jobs = $city->findAllCityJobs();
        $app->response->headers->set('Content-Type', 'application/rss+xml');
        $xml = new SimpleXMLElement('<rss version="2.0"></rss>');
        $xml->addChild('channel');
        $xml->channel->addChild('title', $info->name . " " . $lang->t('jobs|jobs') . ' | ' . APP_NAME);
        $xml->channel->addChild('link', BASE_URL . "cities/{$info->id}/{$info->url}");
        $xml->channel->addChild('description', htmlentities($info->description));
        foreach ($jobs as $job) {
            $item = $xml->channel->addChild('item');
            $item->addChild('title', htmlentities($job->title));
            $item->addChild('link', BASE_URL . "jobs/{$job->id}/" . slugify($job->title . " {$lang->t('jobs|at')} " . $job->company_name));
            $item->addChild('description', htmlentities($job->description));
            $guid = $item->addChild('guid', $job->id . '@' . BASE_URL);
            $guid->addAttribute('isPermaLink', "false");
            $item->addChild('pubDate', date(DATE_RSS, strtotime($job->created)));
        }