public function executeIndex()
{
$current_page = mfwRequest::param('page', 1);
$app_count = ApplicationDb::selectCount();
$max_page = ceil($app_count / self::LINE_IN_PAGE);
$offset = max(0, min($current_page, $max_page) - 1) * self::LINE_IN_PAGE;
$apps = ApplicationDb::selectByUpdateOrderWithLimit($offset, self::LINE_IN_PAGE);
$comments = CommentDb::selectCountsByAppIds($apps->getColumnArray('id'));
$params = array('applications' => $apps, 'comments' => $comments, 'cur_page' => $current_page, 'max_page' => $max_page);
return $this->build($params);
}