function execute()
{
global $osC_Session, $osC_ShoppingCart, $osC_Product;
if (!isset($osC_Product)) {
$id = false;
foreach ($_GET as $key => $value) {
if ((is_numeric($key) || ereg('^[a-zA-Z0-9 -_]*$', $key)) && $key != $osC_Session->getName()) {
$id = $key;
}
break;
}
if ($id !== false && osC_Product::checkEntry($id)) {
$osC_Product = new osC_Product($id);
}
}
if (isset($osC_Product)) {
if ($osC_Product->hasVariants()) {
if (isset($_POST['variants']) && is_array($_POST['variants']) && !empty($_POST['variants'])) {
if ($osC_Product->variantExists($_POST['variants'])) {
$osC_ShoppingCart->add($osC_Product->getProductVariantID($_POST['variants']));
} else {
osc_redirect(osc_href_link(FILENAME_PRODUCTS, $osC_Product->getKeyword()));
return false;
}
} else {
osc_redirect(osc_href_link(FILENAME_PRODUCTS, $osC_Product->getKeyword()));
return false;
}
} else {
$osC_ShoppingCart->add($osC_Product->getID());
}
}
osc_redirect(osc_href_link(FILENAME_CHECKOUT));
}
