function callback()
{
global $osC_Database, $osC_ShoppingCart;
require_once 'ext/googlecheckout/googleresponse.php';
require_once 'ext/googlecheckout/googlemerchantcalculations.php';
require_once 'ext/googlecheckout/googleresult.php';
require_once 'ext/googlecheckout/googlerequest.php';
$fh = fopen('log.txt', 'a+');
$merchant_id = MODULE_PAYMENT_GCHECKOUT_MERCHANT_ID;
$merchant_key = MODULE_PAYMENT_GCHECKOUT_MERCHANT_KEY;
$server_type = MODULE_PAYMENT_GCHECKOUT_SERVER;
$currency = MODULE_PAYMENT_GCHECKOUT_CURRENCY;
$Gresponse = new GoogleResponse($merchant_id, $merchant_key);
$Gresponse->SetLogFiles('includes/logs/gerror.log', 'includes/logs/gmessage.log', L_ALL);
// Retrieve the XML sent in the HTTP POST request to the ResponseHandler
$xml_response = isset($HTTP_RAW_POST_DATA) ? $HTTP_RAW_POST_DATA : file_get_contents("php://input");
if (get_magic_quotes_gpc()) {
$xml_response = stripslashes($xml_response);
}
list($root, $data) = $Gresponse->GetParsedXML($xml_response);
fwrite($fh, var_export($data, true));
fclose($fh);
$Gresponse->SetMerchantAuthentication($merchant_id, $merchant_key);
$status = $Gresponse->HttpAuthentication();
if (!$status) {
exit;
}
switch ($root) {
case "request-received":
break;
case "error":
break;
case "diagnosis":
break;
case "checkout-redirect":
break;
case "merchant-calculation-callback":
break;
case "new-order-notification":
$serial_number = $data['new-order-notification']['serial-number'];
$Gresponse->setSerialNumber($serial_number);
$orders_id = $data['new-order-notification']['shopping-cart']['merchant-private-data']['orders_id']['VALUE'];
$google_order_number = $data['new-order-notification']['google-order-number']['VALUE'];
$osC_Database->simpleQuery("insert into " . TABLE_ORDER_GOOGLE . " (orders_id, google_order_number) values ('" . $orders_id . "','" . $google_order_number . "')");
$Gresponse->SendAck();
break;
case "order-state-change-notification":
$serial_number = $data['order-state-change-notification']['serial-number'];
$Gresponse->setSerialNumber($serial_number);
$Gresponse->SendAck();
break;
case "charge-amount-notification":
$google_order_number = $data['charge-amount-notification']['google-order-number']['VALUE'];
$totalcharge = $data['charge-amount-notification']['total-charge-amount']['VALUE'];
$currency = $data['charge-amount-notification']['total-charge-amount']['currency'];
$Qorder = $osC_Database->query('select orders_id from :table_order_google where google_order_number = :google_order_number');
$Qorder->bindTable(':table_order_google', TABLE_ORDER_GOOGLE);
$Qorder->bindValue(':google_order_number', $google_order_number);
$Qorder->execute();
$order_id = 0;
while ($Qorder->next()) {
$order_id = $Qorder->valueInt('orders_id');
}
$Qorder->freeResult();
$Qtotal = $osC_Database->query('select value, text from :table_orders_total where orders_id = :orders_id and class = "total" limit 1');
$Qtotal->bindTable(':table_orders_total', TABLE_ORDERS_TOTAL);
$Qtotal->bindInt(':orders_id', $order_id);
$Qtotal->execute();
$total = $Qtotal->toArray();
$neddtopay = true;
$comment = 'Google Order Number:<strong> ' . $google_order_number . '</strong>';
if (abs($totalcharge - $total['value']) < 0.001) {
$comment .= '';
$neddtopay = false;
} else {
$topay = $total['value'] - $totalcharge;
$comment .= 'You have paid ' . $totalcharge . ' ' . $currency . ', and you still have to pay ' . $topay . ' ' . $currency;
}
$comments = 'Google Checkout Verified [' . $comment . ']';
if ($order_id != 0) {
if ($neddtopay) {
osC_Order::process($order_id, ORDERS_STATUS_PARTLY_PAID, $comments);
} else {
osC_Order::process($order_id, $this->order_status, $comments);
}
}
$serial_number = $data['charge-amount-notification']['serial-number'];
$Gresponse->setSerialNumber($serial_number);
$Gresponse->SendAck();
break;
case "chargeback-amount-notification":
$serial_number = $data['risk-information-notification']['serial-number'];
$Gresponse->setSerialNumber($serial_number);
$Gresponse->SendAck();
break;
case "refund-amount-notification":
$serial_number = $data['refund-amount-notification']['serial-number'];
$Gresponse->setSerialNumber($serial_number);
$Gresponse->SendAck();
break;
case "risk-information-notification":
$serial_number = $data['risk-information-notification']['serial-number'];
$Gresponse->setSerialNumber($serial_number);
$Gresponse->SendAck();
break;
default:
$Gresponse->SendBadRequestStatus("Invalid or not supported Message");
break;
}
}
