<?php
/*
* This file is part of EC-CUBE
*
* Copyright(c) EC-CUBE CO.,LTD. All Rights Reserved.
*
* http://www.ec-cube.co.jp/
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Eccube\EventListener;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\TransactionIsolationLevel;
use Doctrine\ORM\EntityManager;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\Event\TerminateEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* トランザクション制御のためのListener
*/
class TransactionListener implements EventSubscriberInterface
{
/**
* @var EntityManagerInterface
*/
protected $em;
/**
* @var bool
*/
protected $isEnabled = true;
/**
* TransactionListener constructor.
*
* @param EntityManager $em
* @param bool $isEnabled
*/
public function __construct(EntityManagerInterface $em, $isEnabled = true)
{
$this->em = $em;
$this->isEnabled = $isEnabled;
}
/**
* Disable transaction listener.
*/
public function disable()
{
$this->isEnabled = false;
}
/**
* Kernel request listener callback.
*
* @param RequestEvent $event
*/
public function onKernelRequest(RequestEvent $event)
{
if (!$this->isEnabled) {
log_debug('Transaction Listener is disabled.');
return;
}
if (!$event->isMainRequest()) {
return;
}
/** @var Connection $Connection */
$Connection = $this->em->getConnection();
if (!$Connection->isConnected()) {
$Connection->connect();
}
$Connection->setAutoCommit(false);
$Connection->setTransactionIsolation(TransactionIsolationLevel::READ_COMMITTED);
$this->em->beginTransaction();
log_debug('Begin Transaction.');
}
/**
* Kernel exception listener callback.
*
* @param ExceptionEvent $event
*/
public function onKernelException(ExceptionEvent $event)
{
if (!$this->isEnabled) {
log_debug('Transaction Listener is disabled.');
return;
}
if (!$event->isMainRequest()) {
return;
}
if ($this->em->getConnection()->getNativeConnection()->inTransaction()) {
if ($this->em->getConnection()->isRollbackOnly()) {
$this->em->rollback();
}
log_debug('Rollback executed.');
} else {
log_debug('Transaction is not active. Rollback skipped.');
}
}
/**
* Kernel terminate listener callback.
*
* @param PostResponseEvent $event
*/
public function onKernelTerminate(TerminateEvent $event)
{
if (!$this->isEnabled) {
log_debug('Transaction Listener is disabled.');
return;
}
if ($this->em->getConnection()->getNativeConnection()->inTransaction()) {
if ($this->em->getConnection()->isRollbackOnly()) {
$this->em->rollback();
log_debug('Rollback executed.');
} else {
$this->em->commit();
log_debug('Commit executed.');
}
} else {
log_debug('Transaction is not active. Rollback skipped.');
}
}
/**
* Return the events to subscribe to.
*
* @return array
*/
public static function getSubscribedEvents()
{
return [
KernelEvents::REQUEST => 'onKernelRequest',
KernelEvents::EXCEPTION => 'onKernelException',
KernelEvents::TERMINATE => 'onKernelTerminate',
];
}
}