gistfile1.txt

class Observer {
    public function logDeleteBefore(Varien_Event_Observer $event){
        /* @var $item Mage_Sales_Model_Quote_Item */
        $item = $event->getDataObject();
        $this->_log('deleteBefore', $item);
    }
    public function logDeleteAfter(Varien_Event_Observer $event){
        /* @var $item Mage_Sales_Model_Quote_Item */
        $item = $event->getDataObject();
        $this->_log('deleteAfter', $item);
    }
    public function logSaveBefore(Varien_Event_Observer $event){
        /* @var $item Mage_Sales_Model_Quote_Item */
        $item = $event->getDataObject();
        $this->_log('saveBefore', $item);
    }
    public function logSaveAfter(Varien_Event_Observer $event){
        /* @var $item Mage_Sales_Model_Quote_Item */
        $item = $event->getDataObject();
        $this->_log('saveAfter', $item);
    }
    protected function _log($type, Mage_Sales_Model_Quote_Item $item){
        $uri = '-';
        if(isset($_SERVER['REQUEST_URI'])){
            $uri = substr($_SERVER['REQUEST_URI'], 0, 150);
            $uri = preg_replace('#/uenc/([^/]*)#', '/uenc/*', $uri);
        }
        $cid = '-';
        if(Mage::getSingleton('customer/session')->isLoggedIn()) {
            $cid = 'c'.Mage::getSingleton('customer/session')->getCustomer()->getId();
        }
        $string = sprintf('%-15s | %-10s | %-10s | %-10s | %-10s | %-12s | %-20s | %s', $type, $item->getQuoteId() ? 'q'.$item->getQuoteId() : '-', $item->getId() ? 'i'.$item->getId() : '-', 'p'.$item->getProductId(), $cid, $item->getProductType(), $item->getSku(), $uri);
        Mage::log($string, null, 'quote_item.log');
    }