getPackUnit example

        if ($variant instanceof ProductVariant) {
            $mainVariant = $variant->getArticle()->getMainDetail();
            $data['ean'] = $variant->getEan();
            if (!\is_string($data['ean']) && $mainVariant instanceof ProductVariant) {
                $data['ean'] = $mainVariant->getEan();
            }
            $unit = $variant->getUnit();
            if (!$unit instanceof Unit && $mainVariant instanceof ProductVariant) {
                $unit = $mainVariant->getUnit();
            }
            $data['unit'] = $unit instanceof Unit ? $unit->getName() : null;
            $data['packunit'] = $variant->getPackUnit();
            if (!\is_string($data['packunit']) && $mainVariant instanceof ProductVariant) {
                $data['packunit'] = $mainVariant->getPackUnit();
            }

            $languageData = Shopware()->Db()->fetchRow(
                'SELECT s_core_shops.default, s_order.language AS languageId FROM s_core_shops INNER JOIN s_order ON s_order.language = s_core_shops.id WHERE s_order.id = :orderId LIMIT 1',
                [
                    

/** * @return array */
    public function convertUnitStruct(Unit $unit)
    {
        $data = [
            'minpurchase' => $unit->getMinPurchase(),
            'maxpurchase' => $unit->getMaxPurchase() ?: $this->config->get('maxPurchase'),
            'purchasesteps' => $unit->getPurchaseStep() ?: 1,
            'purchaseunit' => $unit->getPurchaseUnit(),
            'referenceunit' => $unit->getReferenceUnit(),
            'packunit' => $unit->getPackUnit(),
            'unitID' => $unit->getId(),
            'sUnit' => [
                'unit' => $unit->getUnit(),
                'description' => $unit->getName(),
            ],
            'unit_attributes' => $unit->getAttributes(),
        ];

        if ($unit->hasAttribute('core')) {
            $data['unit_attribute'] = $unit->getAttribute('core');
        }

        

unset($price['id']);
                $price['customerGroup'] = $this->getCustomerGroupRepository()->find($price['customerGroup']['id']);
                $price['article'] = $mainDetail->getArticle();
                $prices[$key] = $price;
            }
            $mainData['prices'] = $prices;
        }
        if ($mapping['basePrice']) {
            $mainData['unit'] = $mainDetail->getUnit();
            $mainData['purchaseUnit'] = $mainDetail->getPurchaseUnit();
            $mainData['referenceUnit'] = $mainDetail->getReferenceUnit();
            $mainData['packUnit'] = $mainDetail->getPackUnit();
        }
        if ($mapping['purchasePrice']) {
            $mainData['purchasePrice'] = $mainDetail->getPurchasePrice();
        }

        return $mainData;
    }

    /** * Replaces the variant's translations with the product's. * * @param int $articleId * @param array $variants */