<?php
declare(strict_types=1);

namespace Esun\FreeGift\Observer;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Quote\Model\Quote;

class ValidateGiftBeforeSubmit implements ObserverInterface
{
    public function execute(Observer $observer): void
    {
        $quote = $observer->getEvent()->getQuote();
        if (!$quote instanceof Quote || !(int)$quote->getStoreId()) {
            return;
        }

        $quote->setTotalsCollectedFlag(false);
        $quote->collectTotals();
    }
}