loadPrices example

$conditions = array_filter($conditions, function DVariantCondition $condition) {
            return $condition->expandVariants();
        });

        if (empty($conditions)) {
            return;
        }

        // executed if no price condition included in search request
        $this->loadPrices($criteria, $result, $context);
    }

    private function loadPrices(Criteria $criteria, ProductSearchResult $result, ShopContextInterface $context): void
    {
        $cheapestPriceData = $this->variantCheapestPriceGateway->getList($result->getProducts(), $context, $context->getCurrentCustomerGroup(), $criteria);

        foreach ($result->getProducts() as $product) {
            $number = $product->getNumber();

            if (!\array_key_exists($number, $cheapestPriceData)) {
                $cheapestPriceRule = $product->getPriceRules()[0];