function addGiftCertificate()
{
global $toC_Json, $osC_Language, $osC_ShoppingCart, $osC_Currencies, $osC_Weight, $osC_Tax;
$osC_Tax = new osC_Tax_Admin();
$osC_Weight = new osC_Weight();
$osC_Currencies = new osC_Currencies();
$osC_Language->load('checkout');
$osC_ShoppingCart = new toC_ShoppingCart_Adapter($_REQUEST['orders_id']);
$errors = array();
if ($osC_ShoppingCart->isTotalZero()) {
$errors[] = $osC_Language->get('error_shopping_cart_total_zero');
}
if ($osC_ShoppingCart->containsGiftCertifcate($_REQUEST['gift_certificate_code'])) {
$errors[] = $osC_Language->get('error_gift_certificate_exist');
}
if (!toC_Gift_Certificates::isGiftCertificateValid($_REQUEST['gift_certificate_code'])) {
$errors[] = $osC_Language->get('error_invalid_gift_certificate');
}
if (sizeof($errors) == 0) {
$osC_ShoppingCart->addGiftCertificateCode($_REQUEST['gift_certificate_code']);
$response = array('success' => true, 'feedback' => $osC_Language->get('ms_success_action_performed'));
} else {
$response = array('success' => false, 'feedback' => $errors);
}
echo $toC_Json->encode($response);
}
