ConfiguredPrice.php

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<?php
namespace Magento\Catalog\Pricing\Price;

use Magento\Catalog\Model\Product;
use Magento\Catalog\Model\Product\Configuration\Item\ItemInterface;
use Magento\Framework\Pricing\Adjustment\CalculatorInterface;
use Magento\Framework\App\ObjectManager;

class ConfiguredPrice extends FinalPrice implements ConfiguredPriceInterface
{
    const PRICE_CODE = self::CONFIGURED_PRICE_CODE;

    protected $item;

    private $configuredOptions;

    public function __construct(
        Product $saleableItem,
        $quantity,
        CalculatorInterface $calculator,
        \Magento\Framework\Pricing\PriceCurrencyInterface $priceCurrency,
        ItemInterface $item = null,
        ConfiguredOptions $configuredOptions = null
    ) {
        $this->item = $item;
        $this->configuredOptions = $configuredOptions ?: ObjectManager::getInstance()->get(ConfiguredOptions::class);
        parent::__construct($saleableItem, $quantity, $calculator, $priceCurrency);
    }

    public function setItem(ItemInterface $item)
    {
        $this->item = $item;
        return $this;
    }

    protected function getOptionsValue(): float
    {
        $product = $this->item->getProduct();
        $value = 0.;
        $basePrice = parent::getValue();
        $optionIds = $this->item->getOptionByCode('option_ids');
        if ($optionIds) {
            foreach (explode(',', $optionIds->getValue()) as $optionId) {
                $option = $product->getOptionById($optionId);
                if ($option) {
                    $itemOption = $this->item->getOptionByCode('option_' . $option->getId());
                    $group = $option->groupFactory($option->getType())
                        ->setOption($option)
                        ->setConfigurationItem($this->item)
                        ->setConfigurationItemOption($itemOption);
                    $value += $group->getOptionPrice($itemOption->getValue(), $basePrice);
                }
            }
        }

        return $value;
    }

    public function getValue()
    {
        $basePrice = parent::getValue();

        return $this->item
            ? $basePrice + $this->configuredOptions->getItemOptionsValue($basePrice, $this->item)
            : $basePrice;
    }
}