/**
* 删除一个category By name
* [unused]
*
* @param $category_name
*
* @return
*/
public function delCategory($category_name)
{
if ($category_id = $this->categoryNameToId($category_name)) {
$this->removeCategoryLink($category_id);
$user_link_category = new Database_UserLinkCategory($this->_db);
//如果该category还有其他连接，则只删除此条连接，而不删除category本身
$category_db = new Database_NotesCategorys($this->_db);
$category_db->load($category_id);
return $category_db->delete();
}
}
