public static function getAttributes($threads, $session_user)
{
foreach ($threads as $thread) {
$thread->username = User::getUsernameById($thread->user_id);
$thread->comment = Comment::getByThreadId($thread->id);
$thread->is_author = $thread->isAuthor($session_user);
$thread->is_followed = Follow::isFollowed($thread->id, $session_user);
}
}