Математик и Чёрт

[code=php] public function updateComment($comment){

if ($comment['parent_id'] == 0){

$comment['level'] = 1;
$comment['ordering'] = $this->getNextThreadOrdering($comment['target_controller'], $comment['target_subject'], $comment['target_id']);

} else {

$parent_comment = $this->getComment($comment['parent_id']);

$comment['level'] = $parent_comment['level'] + 1;
if ($comment['level'] > 8) {$comment['level'] = 8;};

$comment['ordering'] = $this->getNextParentOrdering($parent_comment);
if (!$comment['ordering']) { $comment['ordering'] = $this->getNextThreadOrdering($comment['target_controller'], $comment['target_subject'], $comment['target_id']); }

$this->incrementThreadOrdering($comment['target_controller'], $comment['target_subject'], $comment['target_id'], $comment['ordering']);

}

cmsCache::getInstance()->clean("comments.list");

return $this->insertOrUpdate('comments', $comment);

}
public function getNextParentOrdering($parent_comment){

$this->filterEqual('target_controller', $parent_comment['target_controller']);
$this->filterEqual('target_subject', $parent_comment['target_subject']);
$this->filterEqual('target_id', $parent_comment['target_id']);
$this->filterLtEqual('level', $parent_comment['level']);
$this->filterGt('ordering', $parent_comment['ordering']);
$this->limit(1);

return $this->getItem('comments', function($item){
return $item['ordering'];
});

}

public function getNextThreadOrdering($target_controller, $target_subject, $target_id){

return $this->getMaxThreadOrdering($target_controller, $target_subject, $target_id) + 1;

}

public function getMaxThreadOrdering($target_controller, $target_subject, $target_id){

$this->filterEqual('target_controller', $target_controller);
$this->filterEqual('target_subject', $target_subject);
$this->filterEqual('target_id', $target_id);

return $this->getMaxOrdering('comments');

}

public function incrementThreadOrdering($target_controller, $target_subject, $target_id, $after){

$this->filterEqual('target_controller', $target_controller);
$this->filterEqual('target_subject', $target_subject);
$this->filterEqual('target_id', $target_id);
$this->filterGtEqual('ordering', $after);

$this->increment('comments', 'ordering');

}
public function getComment($id){



return $this->getItemById('comments', $id, function($item, $model){

$item['parent_id'] = array(
'parent_id' => $item['parent_id']
);

return $item;

});

} [/code]