Initial commit - Typo3 11.5.41
This commit is contained in:
Matteo Gallo
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<?php
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namespace GeorgRinger\News\ViewHelpers;
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use GeorgRinger\News\Domain\Model\News;
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use TYPO3\CMS\Core\Context\Context;
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use TYPO3\CMS\Core\Context\Exception\AspectNotFoundException;
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use TYPO3\CMS\Core\Context\LanguageAspect;
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use TYPO3\CMS\Core\Database\Connection;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Database\Query\QueryBuilder;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapper;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
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/**
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* This file is part of the "news" Extension for TYPO3 CMS.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*/
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/**
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* ViewHelper for a **simple** prev/next link.
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* Only the pid is taken into account, nothing else!
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*
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* # Example: Basic example
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* <code>
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*
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* <n:simplePrevNext pidList="{newsItem.pid}" news="{newsItem}" as="paginated" sortField="datetime">
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* <f:if condition="{paginated}">
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* <ul class="prev-next">
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* <f:if condition="{paginated.prev}">
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* <li class="previous">
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* <n:link newsItem="{paginated.prev}" settings="{settings}">
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* {paginated.prev.title}
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* </n:link>
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* </li>
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* </f:if>
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* <f:if condition="{paginated.next}">
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* <li class="next">
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* <n:link newsItem="{paginated.next}" settings="{settings}" class="next">
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* {paginated.next.title}
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* </n:link>
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* </li>
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* </f:if>
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* </ul>
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* </f:if>
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* </n:simplePrevNext>
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*
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* The attributes includeExternalType & includeInternalType allow to include internal and
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* external news types.
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*
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* </code>
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* <output>
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* Menu with 2 li items with the link to the previous and next news item.
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* </output>
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*/
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class SimplePrevNextViewHelper extends AbstractViewHelper
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{
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/* @var $dataMapper \TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapper */
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protected $dataMapper;
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/**
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* @var bool
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*/
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protected $escapeOutput = false;
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/**
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* Inject the DataMapper
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*
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* @param \TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapper $dataMapper
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*
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* @return void
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*/
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public function injectDataMapper(DataMapper $dataMapper): void
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{
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$this->dataMapper = $dataMapper;
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}
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/**
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* Initialize arguments.
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*/
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public function initializeArguments()
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{
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parent::initializeArguments();
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$this->registerArgument('news', News::class, 'news item', true);
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$this->registerArgument('pidList', 'string', 'pid list', false, '');
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$this->registerArgument('sortField', 'string', 'sort field', false, 'datetime');
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$this->registerArgument('as', 'string', 'as', true);
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$this->registerArgument('includeInternalType', 'boolean', 'Include internal news types', false, false);
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$this->registerArgument('includeExternalType', 'bool', 'Include external news types', false, false);
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}
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/**
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* @return string
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*/
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public function render(): string
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{
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$neighbours = $this->getNeighbours($this->arguments['news'], $this->arguments['pidList'], $this->arguments['sortField']);
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$as = $this->arguments['as'];
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$mapped = $this->mapResultToObjects($neighbours);
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$this->templateVariableContainer->add($as, $mapped);
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$output = $this->renderChildren();
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$this->templateVariableContainer->remove($as);
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return $output;
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}
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/**
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* Map the array from DB to an understandable output
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*
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* @param array $result
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* @return array
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*/
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protected function mapResultToObjects(array $result): array
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{
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$out = [];
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foreach ($result as $_id => $single) {
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$out[$_id] = $this->getObject($single['uid']);
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}
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return $out;
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}
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/**
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* Get the news object from the given id
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*
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* @param int $id
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* @return mixed|null
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* @throws AspectNotFoundException
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*/
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protected function getObject($id)
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{
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$record = null;
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$rawRecord = $this->getRawRecord($id);
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/** @var LanguageAspect $languageAspect */
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$languageAspect = GeneralUtility::makeInstance(Context::class)->getAspect('language');
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if (isset($GLOBALS['TSFE']) && is_object($GLOBALS['TSFE']) && $languageAspect->getContentId() > 0) {
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$overlay = $GLOBALS['TSFE']->sys_page->getRecordOverlay(
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'tx_news_domain_model_news',
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$rawRecord,
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$languageAspect->getContentId(),
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$languageAspect->getLegacyOverlayType()
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);
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if (!is_null($overlay)) {
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$rawRecord = $overlay;
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}
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}
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if (is_array($rawRecord)) {
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$records = $this->dataMapper->map(News::class, [$rawRecord]);
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$record = array_shift($records);
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}
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return $record;
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}
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/**
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* @param News $news
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* @param string $pidList
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* @param string $sortField
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* @return array
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*/
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protected function getNeighbours(News $news, string $pidList, string $sortField): array
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{
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$data = [];
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$pidList = empty($pidList) ? (string)$news->getPid() : $pidList;
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$connection = GeneralUtility::makeInstance(ConnectionPool::class)
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->getConnectionForTable('tx_news_domain_model_news');
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foreach (['prev', 'next'] as $label) {
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$queryBuilder = $connection->createQueryBuilder();
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$extraWhere = [
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$queryBuilder->expr()->neq('uid', $queryBuilder->createNamedParameter($news->getUid(), \PDO::PARAM_INT))
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];
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if ((bool)($this->arguments['includeInternalType'] ?? false) === false) {
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$extraWhere[] = $queryBuilder->expr()->neq('type', $queryBuilder->createNamedParameter(1, \PDO::PARAM_INT));
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}
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if ((bool)($this->arguments['includeExternalType'] ?? false) === false) {
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$extraWhere[] = $queryBuilder->expr()->neq('type', $queryBuilder->createNamedParameter(2, \PDO::PARAM_INT));
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}
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$getter = 'get' . ucfirst($sortField) . '';
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if ($news->$getter() instanceof \DateTime) {
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if ($label === 'prev') {
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$extraWhere[] = $queryBuilder->expr()->lt($sortField, $queryBuilder->createNamedParameter($news->$getter()->getTimestamp(), \PDO::PARAM_INT));
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} else {
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$extraWhere[] = $queryBuilder->expr()->gt($sortField, $queryBuilder->createNamedParameter($news->$getter()->getTimestamp(), \PDO::PARAM_INT));
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}
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} else {
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if ($label === 'prev') {
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$extraWhere[] = $queryBuilder->expr()->lt($sortField, $queryBuilder->createNamedParameter($news->$getter(), \PDO::PARAM_STR));
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} else {
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$extraWhere[] = $queryBuilder->expr()->gt($sortField, $queryBuilder->createNamedParameter($news->$getter(), \PDO::PARAM_STR));
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}
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}
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$row = $queryBuilder
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->select('*')
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->from('tx_news_domain_model_news')
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->where(
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$queryBuilder->expr()->eq('sys_language_uid', $queryBuilder->createNamedParameter(0, \PDO::PARAM_INT)),
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$queryBuilder->expr()->in('pid', $queryBuilder->createNamedParameter(explode(',', $pidList), Connection::PARAM_INT_ARRAY))
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)
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->andWhere(...$extraWhere)
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->setMaxResults(1)
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->orderBy($sortField, ($label === 'prev' ? 'desc' : 'asc'))
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->execute()->fetch();
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if (is_array($row)) {
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$data[$label] = $row;
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}
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}
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return $data;
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}
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/**
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* @return QueryBuilder
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*/
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protected function getQueryBuilder(): QueryBuilder
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{
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return GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tx_news_domain_model_news');
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}
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/**
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* @param int $id
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* @return array
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*/
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protected function getRawRecord(int $id): ?array
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{
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$queryBuilder = $this->getQueryBuilder();
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$rawRecord = $queryBuilder
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->select('*')
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->from('tx_news_domain_model_news')
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->where(
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$queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($id, \PDO::PARAM_INT))
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)
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->setMaxResults(1)
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->execute()->fetch();
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return $rawRecord;
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}
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}
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