PHP code example of cpsit / typo3-cache-bags

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

cpsit / typo3-cache-bags example snippets

use CPSIT\Typo3CacheBags;

$pageId = 72;
$expirationDate = new DateTimeImmutable('tomorrow midnight');

$cacheBag = Typo3CacheBags\Cache\Bag\PageCacheBag::forPage($pageId, $expirationDate);

use CPSIT\Typo3CacheBags;
use TYPO3\CMS\Core;

$cacheBag = Typo3CacheBags\Cache\Bag\PageCacheBag::forPage(72);
$cacheBagRegistry = Core\Utility\GeneralUtility::makeInstance(Typo3CacheBags\Cache\Bag\CacheBagRegistry::class);
$cacheBagRegistry->add($cacheBag);

use CPSIT\Typo3CacheBags;
use TYPO3\CMS\Core;

$cacheBagRegistry = Core\Utility\GeneralUtility::makeInstance(Typo3CacheBags\Cache\Bag\CacheBagRegistry::class);
$expirationDate = $cacheBagRegistry->getExpirationDate(Typo3CacheBags\Enum\CacheScope::Pages);

use CPSIT\Typo3CacheBags;
use TYPO3\CMS\Core;

// Use DI instead, calculator is *NOT* publicly available in the service container!
$cacheExpirationCalculator = Core\Utility\GeneralUtility::makeInstance(Typo3CacheBags\Cache\Expiration\CacheExpirationCalculator::class);
$connectionPool = Core\Utility\GeneralUtility::makeInstance(Core\Database\ConnectionPool::class);

$queryBuilder = $connectionPool->getQueryBuilderForTable('pages');
$queryBuilder->select('*')
    ->from('pages')
    ->where(
        $queryBuilder->expr()->or(
            $queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter(72, Core\Database\Connection::PARAM_INT)),
            $queryBuilder->expr()->eq('pid', $queryBuilder->createNamedParameter(72, Core\Database\Connection::PARAM_INT)),
        ),
    )
;

$expirationDate = $cacheExpirationCalculator->forQueryBuilder('pages', $queryBuilder);
$cacheBag = Typo3CacheBags\Cache\Bag\PageCacheBag::forPage(72, $expirationDate);

use CPSIT\Typo3CacheBags;
use Psr\Http\Message;
use TYPO3\CMS\Core;
use TYPO3\CMS\Extbase;

final class BlogController extends Extbase\Mvc\Controller\ActionController
{
    public function __construct(
        private readonly BlogRepository $blogRepository,
        private readonly Typo3CacheBags\Cache\Bag\CacheBagRegistry $cacheBagRegistry,
        private readonly Typo3CacheBags\Cache\Expiration\CacheExpirationCalculator $cacheExpirationCalculator,
    ) {}

    public function listAction(): Message\ResponseInterface
    {
        /** @var Extbase\Persistence\QueryResultInterface<Blog> $blogArticles */
        $blogArticles = $this->blogRepository->findAll();

        // Create cache bag with reference to the queried table
        // and apply the calculated expiration date of all queried blog articles
        $cacheBag = Typo3CacheBags\Cache\Bag\PageCacheBag::forTable(
            Blog::TABLE_NAME,
            $this->cacheExpirationCalculator->forQueryResult(Blog::TABLE_NAME, $blogArticles),
        );

        // Add cache bag to registry
        $this->cacheBagRegistry->add($cacheBag);

        $this->view->assign('articles', $blogArticles);

        return $this->htmlResponse();
    }

    public function detailAction(Blog $article): Message\ResponseInterface
    {
        // Create cache bag with reference to the current article
        // and apply the article's endtime as cache expiration date
        $cacheBag = Typo3CacheBags\Cache\Bag\PageCacheBag::forRecord(
            Blog::TABLE_NAME,
            $article->getUid(),
            $article->getEndtime(),
        );

        // Add cache bag to registry
        $this->cacheBagRegistry->add($cacheBag);

        $this->view->assign('article', $article);

        return $this->htmlResponse();
    }
}