103 lines
2.7 KiB
PHP
103 lines
2.7 KiB
PHP
<?php
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namespace App\Core\EventListener;
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use App\Core\Ab\AbContainer;
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use App\Core\Ab\AbTest;
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use App\Core\Entity\Site\Node;
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use App\Core\Event\Ab\AbTestEvent;
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use App\Core\Site\SiteRequest;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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use Symfony\Component\HttpFoundation\Cookie;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Event\RequestEvent;
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use Symfony\Component\HttpKernel\Event\ResponseEvent;
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/**
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* class AbListener.
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*
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* @author Simon Vieille <simon@deblan.fr>
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*/
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class AbListener
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{
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protected ?Node $node;
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public function __construct(
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protected AbContainer $container,
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protected EventDispatcherInterface $eventDispatcher,
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protected SiteRequest $siteRequest
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) {
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}
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public function onKernelRequest(RequestEvent $event)
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{
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$this->node = $this->siteRequest->getNode();
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if (!$this->supports($event->getRequest())) {
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return;
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}
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$request = $event->getRequest();
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$cookieName = md5($this->getCookieName());
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$cookieValue = $event->getRequest()->cookies->get($cookieName);
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$abTest = new AbTest($this->getAbTestCode());
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$event = new AbTestEvent($abTest);
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$this->container->add($abTest);
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$this->eventDispatcher->dispatch($event, AbTestEvent::INIT_EVENT);
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if (!$abTest->isValidVariation($cookieValue)) {
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$abTest->run();
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$result = $abTest->getResult();
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$attributes = array_merge($request->attributes->get('ab_test_cookies', []), [
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$cookieName => ['value' => $result, 'duration' => $abTest->getDuration()],
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]);
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$request->attributes->set('ab_test_cookies', $attributes);
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$this->eventDispatcher->dispatch($event, AbTestEvent::RUN_EVENT);
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} else {
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$abTest->setResult($cookieValue);
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}
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}
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public function onKernelResponse(ResponseEvent $event)
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{
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$cookies = $event->getRequest()->attributes->get('ab_test_cookies', []);
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foreach ($cookies as $name => $value) {
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$cookie = Cookie::create($name, $value['value'], time() + $value['duration']);
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$event->getResponse()->headers->setCookie($cookie);
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}
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}
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protected function getCookieName(): string
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{
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return 'ab_test_'.$this->getAbTestCode();
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}
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protected function getAbTestCode(): string
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{
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return $this->node->getAbTestCode();
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}
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protected function supports(Request $request): bool
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{
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if (!$this->node) {
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return false;
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}
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if (!$this->node->getHasAbTest()) {
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return false;
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}
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if (!$this->node->getAbTestCode()) {
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return false;
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}
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return true;
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}
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}
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