} else
        {
            $tz_collection = TimezoneRepository::getTimezonesByUserId( $user_id );
        }
    */
    $tz_collection = array("all" => array(), "attached" => TimezoneRepository::getTimezonesByUserId($user_id));
    if ($session->getUser()->hasPrivilege(Privilege::MANAGE_ALL_TIMEZONES)) {
        $tz_collection['all'] = TimezoneRepository::getAllTimezones();
    }
    $response->getBody()->write(json_encode($tz_collection));
    return $response;
};
$app->get("/timezone/list", $get_timezones);
$delete_timezone = function (Request $request, Response $response) {
    $parser = new RequestParser($request);
    $data = $parser->getData();
    if (empty($data['id'])) {
        $new_response = $response->withStatus(400);
        $new_response->getBody()->write("Missing timezone id");
        return $new_response;
    }
    $affected = TimezoneRepository::markTimezoneAsDeleted($data['id']);
    if ($affected < 1) {
        $new_response = $response->withStatus(404);
        $new_response->getBody()->write("Invalid timezone id");
        return $new_response;
    }
    $response->getBody()->write("Successfully deleted timezone with id " . $data['id']);
    return $response;
};
$app->post("/timezone/delete", $delete_timezone);