php - How to include username of the invoiced/shipped user in order comment history? -

i'm using magento ce 1.7. want show order invoiced or shipped person's username appear comment history. override mage_sales_ordercontroller append username in addcommentaction(){..} . works when user adds comments not when create / invoice order. please suggestions?

fixed it. here's solution. have overridden mage_sales_model_order

class add_ordercomment_model_order extends mage_sales_model_order  {      public function addstatushistorycomment($comment, $status = false)     {         if(mage::getsingleton('admin/session')->isloggedin())         {             // getting admin username.             $user = mage::getsingleton('admin/session');             $username = $user->getuser()->getusername();             $append = " <strong>(updated : ".$username.")</strong>";         }         else          {             $append = "";         }         if (false === $status) {             $status = $this->getstatus();         } elseif (true === $status) {             $status = $this->getconfig()->getstatedefaultstatus($this->getstate());         } else {             $this->setstatus($status);         }         $history = mage::getmodel('sales/order_status_history')             ->setstatus($status)             ->setcomment($comment.$append)             ->setentityname($this->_historyentityname);         $this->addstatushistory($history);         return $history;     }  }