abtest/Classes/Helper.php
2017-12-24 00:28:36 +01:00

146 lines
5 KiB
PHP

<?php
namespace WapplerSystems\ABTest2;
/**
* This file is part of the "abtest2" Extension for TYPO3 CMS.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*/
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
use TYPO3\CMS\Frontend\Page\CacheHashCalculator;
use TYPO3\CMS\Frontend\Page\PageRepository;
/**
* This class detects which page version (either by cookie or by random) and sets the page content ID accordingly.
*
* @package WapplerSystems\ABTest2
* @author Sven Wapler <typo3YYYYY@wappler.systems>
*/
class Helper
{
/**
*
* @param array $params
* @param $tsFeController TypoScriptFrontendController
* @return void
* @throws \InvalidArgumentException
*/
public function determineContentId(array $params, &$tsFeController)
{
// only try to change the page if it's not the googlebot.
if (true === stripos($_SERVER['HTTP_USER_AGENT'], 'googlebot')) return;
$currentPageId = $targetPageId = $tsFeController->id;
// Get the rootpage_id from realurl config.
$realurlConfig = $tsFeController->TYPO3_CONF_VARS['EXTCONF']['realurl'];
if (array_key_exists($_SERVER['SERVER_NAME'], $realurlConfig)) {
$rootpage_id = $realurlConfig[$_SERVER['SERVER_NAME']]['pagePath']['rootpage_id'];
} else {
$rootpage_id = $realurlConfig['_DEFAULT']['pagePath']['rootpage_id'];
}
// If the ID is NULL, then we set this value to the rootpage_id. NULL is the "Home"page, ID is a specific sub-page, e.g. www.domain.de (NULL) - www.domain.de/page.html (ID)
if (!$currentPageId) {
if ($rootpage_id) {
$currentPageId = $rootpage_id;
} else {
// Leave the function because we can not determine the ID.
return;
}
}
$pageRepository = GeneralUtility::makeInstance(PageRepository::class);
$currentPagePropertiesArray = $pageRepository->getPage($currentPageId);
$pageBPageId = $currentPagePropertiesArray['tx_abtest2_b_id'];
/* TODO: check if page b exists */
$cookieLifeTime = $currentPagePropertiesArray['tx_abtest2_cookie_time'];
if ($pageBPageId) {
$pageBPropertiesArray = $pageRepository->getPage($pageBPageId);
$cookieValue = $_COOKIE['abtest2'];
if ($cookieValue === 'b') {
$targetPageId = $pageBPageId;
$currentPagePropertiesArray = $pageBPropertiesArray;
} else if ($cookieValue === 'a') {
} else {
$cookieValue = 'a';
/* select least used page */
if ((int)$currentPagePropertiesArray['tx_abtest2_counter'] > (int)$pageBPropertiesArray['tx_abtest2_counter']) {
/* take b */
$targetPageId = $pageBPageId;
$currentPagePropertiesArray = $pageBPropertiesArray;
$cookieValue = 'b';
}
/* rise counter */
$GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'uid='. (int)$targetPageId, array('tx_abtest2_counter' => $currentPagePropertiesArray['tx_abtest2_counter'] + 1));
setcookie('abtest2', $cookieValue, time() + $cookieLifeTime);
}
// If current page ID is different from the random page ID we set the correct page ID.
if ($currentPageId !== $targetPageId) {
$tsFeController->contentPid = $targetPageId;
$tsFeController->page['content_from_pid'] = $targetPageId;
}
$_GET['abtest'] = $cookieValue;
$this->makeCacheHash($tsFeController);
if ($currentPagePropertiesArray) {
$additionalHeaderData = $currentPagePropertiesArray['tx_abtest2_header'];
$additionalFooterData = $currentPagePropertiesArray['tx_abtest2_footer'];
if ($additionalHeaderData) {
$tsFeController->additionalHeaderData['abtest2'] = $additionalHeaderData;
}
if ($additionalFooterData) {
$tsFeController->additionalFooterData['abtest2'] = $additionalFooterData;
}
}
}
}
/**
*
* @param $tsFeController TypoScriptFrontendController
* @return void
* @throws \InvalidArgumentException
*/
private function makeCacheHash(&$tsFeController)
{
$GET = GeneralUtility::_GET();
/* Fix for root pages */
if (!isset($GET['id'])) {
$GET['id'] = $tsFeController->id;
}
/** @var CacheHashCalculator $cacheHash */
$cacheHash = GeneralUtility::makeInstance(CacheHashCalculator::class);
$tsFeController->cHash_array = $cacheHash->getRelevantParameters(GeneralUtility::implodeArrayForUrl('', $GET));
$tsFeController->cHash = $cacheHash->calculateCacheHash($tsFeController->cHash_array);
}
}