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https://github.com/werkraum-media/abtest.git
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Daniel Siepmann
7ace7e2625
This got extracted from integrating Matomo tracking. We migrate to an event in order to remove Singleton instance. The event transports info and foreign code can react. We streamline architecture and split logic from integration.
74 lines
2.4 KiB
PHP
74 lines
2.4 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* Copyright (C) 2023 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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namespace WerkraumMedia\ABTest\Middleware;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use Symfony\Component\HttpFoundation\Cookie as SymfonyCookie;
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use WerkraumMedia\ABTest\Cookie;
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use WerkraumMedia\ABTest\Events\SwitchedToVariant;
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class SetCookie implements MiddlewareInterface
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{
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/**
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* @var Cookie
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*/
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private $cookie;
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public function __construct(
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Cookie $cookie
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) {
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$this->cookie = $cookie;
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}
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public function handleVariant(SwitchedToVariant $event): void
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{
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$targetPage = $event->getVariantPage();
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$this->cookie->setRequestedPage((int)$event->getOriginalPage()['uid']);
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$this->cookie->setActualPage((int)$targetPage['uid']);
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$this->cookie->setLifetime((int)$targetPage['tx_abtest_cookie_time']);
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}
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public function process(
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ServerRequestInterface $request,
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RequestHandlerInterface $handler
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): ResponseInterface {
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$response = $handler->handle($request);
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if ($this->cookie->needsToBeSet()) {
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$cookie = new SymfonyCookie(
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'ab-' . $this->cookie->getRequestedPage(),
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(string)$this->cookie->getActualPage(),
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time() + $this->cookie->getLifetime()
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);
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// Do we need to adjust response header for caching to not cache the cookie within proxies?
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$response = $response->withAddedHeader('Set-Cookie', $cookie->__toString());
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}
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return $response;
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}
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}
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