Magento2: Unable to fetch the surcharge amount added by Fooman_Surcharge extension

Question

Magento 2.4.6

I am trying to get an orders surcharge amount which was added by the Fooman Surcharge extension.

In Magento 1 it worked with $order->getFoomanSurchargeAmount();, in Magento 2 it doesnt work this way.

Any ideas how to get the amount from an order object?

Thanks!

• Marius: I;m not familiar with the extension, But I know "Fooman" and I know he does things the right way, so there is a high chance he added an extension attribute for the sircharge. Try it with $order->getExtensionAttributes()->getFoomanSurchargeAmount(). If that does not work try logging somewhere $order->getExtensionAttributes() and see how it looks like. maybe the attribute name is different
• Siarhey Uchukhlebau: @Marius please correct the typo: $order->getExcentionAttributes() must be $order-> getExtensionAttributes() (someone can copy this)

Answer 1

The surcharges added by our extension are available via extension attributes. As there can be multiple different surcharges there is a top level totals group item. Please see below for an example to get to the surcharges including cases where no surcharges are present:

private function processFoomanTotals(\Magento\Sales\Api\Data\OrderInterface $order)
{
 $extAttr = $order->getExtensionAttributes();
 if (!$extAttr) {
 return;
 }
 $foomanGroup = $extAttr->getFoomanTotalGroup();
 if (empty($foomanGroup)) {
 return;
 }
 $totals = $foomanGroup->getItems();
 if (empty($totals)) {
 return;
 }
 foreach ($totals as $total) {
 /** @var \Fooman\Totals\Api\Data\OrderTotalInterface $total */
 $description = $total->getLabel();
 $baseAmount = $total->getBaseAmount();
 $baseTaxAmount = $total->getBaseTaxAmount();
 $amount = $total->getAmount();
 $taxAmount = $total->getTaxAmount();
 $identifier = $total->getTypeId();
 $qty = 1;
 /** @TODO do something with the total */
 }
}

Or as an alternative you could use Fooman\Totals\Model\OrderTotalManagement::getByCodeAndOrderId($code, $orderId) where $code is fooman_surcharge.