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<?php
/*
* This file was created by developers working at BitBag
* Do you need more information about us and what we do? Visit our https://bitbag.io website!
* We are hiring developers from all over the world. Join us and start your new, exciting adventure and become part of us: https://bitbag.io/career
*/
declare(strict_types=1);
namespace BitBag\SyliusMailChimpPlugin\Handler;
use Doctrine\ORM\EntityManagerInterface;
use DrewM\MailChimp\MailChimp;
use Sylius\Component\Core\Model\CustomerInterface;
use Sylius\Component\Core\Repository\CustomerRepositoryInterface;
use Sylius\Component\Resource\Factory\FactoryInterface;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException;
use Webmozart\Assert\Assert;
class NewsletterSubscriptionHandler implements NewsletterSubscriptionInterface
{
public const API_PATH_LISTS = 'lists';
public const API_PATH_MEMBERS = 'members';
/** @var CustomerRepositoryInterface */
private $customerRepository;
/** @var FactoryInterface */
private $customerFactory;
/** @var EntityManagerInterface */
private $customerManager;
/** @var string */
private $listId;
/** @var MailChimp */
private $mailChimp;
public function __construct(
CustomerRepositoryInterface $customerRepository,
FactoryInterface $customerFactory,
EntityManagerInterface $customerManager,
MailChimp $mailChimp,
string $listId
) {
$this->customerRepository = $customerRepository;
$this->customerFactory = $customerFactory;
$this->customerManager = $customerManager;
$this->mailChimp = $mailChimp;
$this->listId = $listId;
}
public function subscribe(string $email): void
{
$customer = $this->customerRepository->findOneBy(['email' => $email]);
if (!$customer instanceof CustomerInterface) {
$customer = $this->createNewCustomer($email);
}
$this->addMailchimpData($email);
$customer->setSubscribedToNewsletter(true);
$this->customerManager->flush();
}
public function getValidMailchimpListIds(): array
{
$responseArray = $this->mailChimp->get(self::API_PATH_LISTS);
$ids = [];
if (false === $responseArray) {
return $ids;
}
$lists = $responseArray['lists'];
foreach ($lists as $list) {
$ids[] = $list['id'];
}
return $ids;
}
public function unsubscribe(CustomerInterface $customer): void
{
$this->updateCustomer($customer, false);
$email = $customer->getEmail();
if (null !== $email) {
$this->unsubscribeEmail($email);
}
}
public function unsubscribeEmail(string $email): void
{
$this->mailChimp->delete($this->getListMemberEndpoint($email));
}
public function unsubscribeCustomerFromLocalDatabase(string $email): void
{
$customer = $this->customerRepository->findOneBy(['email' => $email]);
$this->updateCustomer($customer, false);
}
private function createNewCustomer(string $email): CustomerInterface
{
/** @var CustomerInterface $customer */
$customer = $this->customerFactory->createNew();
$customer->setEmail($email);
$this->customerRepository->add($customer);
return $customer;
}
private function exportNewEmail(string $email): void
{
$response = $this->mailChimp->post($this->getListMemberEndpoint(), [
'email_address' => $email,
'status' => 'subscribed',
]);
if (false === $response) {
throw new BadRequestHttpException(
sprintf('Mailchimp returned false instead of response array, last error : %s',
$this->mailChimp->getLastError())
);
}
Assert::keyExists($response, 'status');
if ($response['status'] === Response::HTTP_NOT_FOUND) {
$validListIds = $this->getValidMailchimpListIds();
$concatenatedList = implode(',', $validListIds);
throw new BadRequestHttpException(
sprintf('Mailchimp returned %1$i code, is the MAIL_CHIMP_LIST_ID [ %2$s ] one of available ones: [ %3$s ] ?',
Response::HTTP_NOT_FOUND,
$this->listId,
$concatenatedList
)
);
}
if ($response['status'] !== 'subscribed') {
throw new BadRequestHttpException(
sprintf('Response status is %s instead of %s', $response['status'], 'subscribed')
);
}
}
private function updateCustomer(CustomerInterface $customer, bool $subscribedToNewsletter = true): void
{
$customer->setSubscribedToNewsletter($subscribedToNewsletter);
$this->customerManager->flush();
}
private function getEmailHash(string $email): string
{
return md5(strtolower($email));
}
protected function addMailchimpData(string $email): void
{
$response = $this->mailChimp->get($this->getListMemberEndpoint($email));
if (false === $response) {
throw new BadRequestHttpException(
sprintf('Mailchimp returned false instead of response array, last error : %s',
$this->mailChimp->getLastError())
);
}
Assert::keyExists($response, 'status');
if (Response::HTTP_UNAUTHORIZED === $response['status']) {
Assert::keyExists($response, 'detail');
throw new UnauthorizedHttpException('Mailchimp', $response['detail']);
}
if (Response::HTTP_NOT_FOUND === $response['status']) {
$this->exportNewEmail($email);
}
}
private function getListMemberEndpoint(string $email = null): string
{
$parts = [
self::API_PATH_LISTS,
$this->listId,
self::API_PATH_MEMBERS,
];
if (null !== $email) {
$parts[] = $this->getEmailHash($email);
}
return implode('/', $parts);
}
}

vendor/bitbag/mailchimp-plugin/src/Handler/NewsletterSubscriptionHandler.php line 58