public function actionEmptyads()
{
$msgs = Message::findBySql('
select tm.*
from ' . Message::tableName() . ' tm
where (
select count(id) as cnt
from ' . Payment::tableName() . ' tp
where tp.message_id = tm.id
) < 1
')->with('category')->all();
return $this->render('emptyads', ['messages' => $msgs]);
}
