DocumentSummaryQuery::execute

public function execute(): array
{
	$payment = PaymentRepository::getInstance()->getById($this->documentId);
	if (!$payment)
	{
		return [];
	}
	$items = $payment->getPayableItemCollection()->toArray();
	$deliveryCost = 0;
	foreach ($payment->getPayableItemCollection()->getShipments() as $delivery)
	{
		/**
		 * @var Shipment $entity
		 * @var PayableShipmentItem $delivery
		 */
		$entity = $delivery->getEntityObject();
		if (!$entity)
		{
			continue;
		}
		$deliveryCost += $entity->getPrice();
	}
	$productCost = 0;
	$totalTax = 0;
	$totalDiscount = 0;
	$totalBrutto = 0;
	foreach ($payment->getPayableItemCollection()->getBasketItems() as $item)
	{
		/**
		 * @var BasketItem $entity
		 */
		$entity = $item->getEntityObject();
		$quantity = $item->getQuantity();
		$productCost += $entity->getPriceWithVat() * $quantity;
		$totalTax += $entity->getVat() * $quantity;
		$totalDiscount += ($entity->getBasePriceWithVat() - $entity->getPriceWithVat()) * $quantity;
		$totalBrutto += $entity->getBasePriceWithVat() * $quantity;
	}

	return [
		'items' => $items,
		'totalRows' => count($items),
		'totalProductCost' => $productCost,
		'deliveryCost' => $deliveryCost,
		'totalCost' => $productCost + $deliveryCost,
		'totalTax' => $totalTax,
		'totalDiscount' => $totalDiscount,
		'totalWithoutDiscount' => $totalBrutto + $deliveryCost,
		'currency' => Catalog::getBaseCurrency(),
	];
}