public function getTrashMessagesNumber()
{
$model = new Default_Model_Messages();
$select = $model->getMapper()->getDbTable()->select()->from(array('u' => 'messages'), array('id' => 'COUNT(u.id)'))->where("" . "(u.idUserTo = '" . Zend_Registry::get('user')->getId() . "' AND u.trashedTo = 1 AND NOT u.deletedTo) " . "OR " . "(u.idUserFrom = '" . Zend_Registry::get('user')->getId() . "' AND u.trashedFrom = 1 AND NOT u.deletedFrom)")->order('u.created DESC')->setIntegrityCheck(false);
$model->fetchRow($select);
return $model->getId();
}