function unlike($item_id, $item_type)
{
$objModelVote = new Application_Model_Vote();
$usersNs = new Zend_Session_Namespace("members");
$userId = $usersNs->userId;
$whereVote = "item_type='{$item_type}' AND item_id='{$item_id}' AND user_id='{$userId}'";
$arrVote = $objModelVote->fetchAll($whereVote);
if (count($arrVote) > 0) {
$option['id'] = $arrVote[0]->id;
}
$option['vote'] = -1;
$option['itemType'] = $item_type;
$option['itemId'] = $item_id;
$option['addedon'] = time();
$option['updatedon'] = time();
$option['userId'] = $userId;
$objModelVote->setOptions($option);
$id = $objModelVote->save();
return $id;
}
