Magento 2 dob at checkout

events.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="checkout_submit_before">
        <observer name="levecke_capture_dob_at_checkout" instance="Levecke\InsereDoBnoCheckout\Observer\CaptureDobAtCheckout" />
    </event>
    <event name="customer_register_success">
        <observer name="levecke_save_dob_after_customer_creation" instance="Levecke\InsereDoBnoCheckout\Observer\SaveDobAfterCustomerCreation" />
    </event>
</config>

CaptureDobAtCheckout.php
<?php
namespace Levecke\InsereDoBnoCheckout\Observer;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Checkout\Model\Session as CheckoutSession;
use Psr\Log\LoggerInterface;

class CaptureDobAtCheckout implements ObserverInterface
{
    protected $checkoutSession;
    protected $logger;

    public function __construct(
        CheckoutSession $checkoutSession,
        LoggerInterface $logger
    ) {
        $this->checkoutSession = $checkoutSession;
        $this->logger = $logger;
    }

    public function execute(Observer $observer)
    {
        // Assumindo que o 'dob' é enviado como parte dos dados do formulário de checkout
        $request = $observer->getEvent()->getRequest();
        $dob = $request->getParam('dob', null); // ou a estrutura correta para acessar o 'dob'

        if ($dob) {
            $this->logger->info('CaptureDobAtCheckout: DOB capturado - ' . $dob);
            $this->checkoutSession->setData('customer_dob_temp', $dob);
        } else {
            $this->logger->info('CaptureDobAtCheckout: DOB não encontrado no formulário de checkout.');
        }
    }
}


<?php
namespace Levecke\InsereDoBnoCheckout\Observer;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Customer\Api\CustomerRepositoryInterface;
use Magento\Checkout\Model\Session as CheckoutSession;
use Magento\Framework\Stdlib\DateTime\TimezoneInterface;
use Psr\Log\LoggerInterface;

class SaveDobAfterCustomerCreation implements ObserverInterface
{
    protected $customerRepository;
    protected $checkoutSession;
    protected $timezone;
    protected $logger;

    public function __construct(
        CustomerRepositoryInterface $customerRepository,
        CheckoutSession $checkoutSession,
        TimezoneInterface $timezone,
        LoggerInterface $logger
    ) {
        $this->customerRepository = $customerRepository;
        $this->checkoutSession = $checkoutSession;
        $this->timezone = $timezone;
        $this->logger = $logger;
    }

SaveDobAfterCustomerCreation.php
    public function execute(Observer $observer)
    {
        $customer = $observer->getEvent()->getCustomer();
        $dob = $this->checkoutSession->getData('customer_dob_temp');

        if ($dob && $customer->getId()) {
            $this->logger->info('SaveDobAfterCustomerCreation: DOB encontrado - ' . $dob);
            try {
                $dobFormatted = $this->timezone->date(new \DateTime($dob))->format('Y-m-d');
                $customer->setDob($dobFormatted);
                $this->customerRepository->save($customer);
                $this->logger->info('SaveDobAfterCustomerCreation: DOB salvo no perfil do cliente.');
            } catch (\Exception $e) {
                $this->logger->error('SaveDobAfterCustomerCreation: Erro ao salvar DOB - ' . $e->getMessage());
            }
            $this->checkoutSession->unsetData('customer_dob_temp');
        } else {
            $this->logger->info('SaveDobAfterCustomerCreation: DOB ou ID do cliente não encontrado.');
        }
    }
}