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<?php |
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namespace Fab\Media\Index; |
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/* |
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* This file is part of the Fab/Media project under GPLv2 or later. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.md file that was distributed with this source code. |
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*/ |
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use Fab\Vidi\Service\DataService; |
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use TYPO3\CMS\Core\Resource\File; |
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use TYPO3\CMS\Core\Resource\Index\ExtractorRegistry; |
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use TYPO3\CMS\Core\Resource\Index\FileIndexRepository; |
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use TYPO3\CMS\Core\Resource\Index\MetaDataRepository; |
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use TYPO3\CMS\Core\Resource\ResourceStorage; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use Fab\Media\Utility\ConfigurationUtility; |
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/** |
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* Service dealing with Indexing in the context of Media. |
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*/ |
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class MediaIndexer |
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{ |
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/** |
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* @var ResourceStorage |
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*/ |
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protected $storage = null; |
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/** |
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* @param ResourceStorage $storage |
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*/ |
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public function __construct(ResourceStorage $storage) |
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{ |
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$this->storage = $storage; |
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} |
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/** |
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* @param \TYPO3\CMS\Core\Resource\File $file |
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* @return $this |
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*/ |
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public function updateIndex(File $file) |
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{ |
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$this->getCoreIndexer()->updateIndexEntry($file); |
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return $this; |
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} |
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/** |
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* @param \TYPO3\CMS\Core\Resource\File $file |
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* @return $this |
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*/ |
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public function extractMetadata(File $file) |
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{ |
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$extractionServices = $this->getExtractorRegistry()->getExtractorsWithDriverSupport($this->storage->getDriverType()); |
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$newMetaData = array( |
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0 => $file->_getMetaData() |
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); |
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foreach ($extractionServices as $service) { |
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if ($service->canProcess($file)) { |
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$newMetaData[$service->getPriority()] = $service->extractMetaData($file, $newMetaData); |
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} |
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} |
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ksort($newMetaData); |
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$metaData = []; |
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foreach ($newMetaData as $data) { |
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$metaData = array_merge($metaData, $data); |
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} |
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$file->_updateMetaDataProperties($metaData); |
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$this->getMetaDataRepository()->update($file->getUid(), $metaData); |
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$this->getFileIndexRepository()->updateIndexingTime($file->getUid()); |
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return $this; |
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} |
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/** |
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* @param \TYPO3\CMS\Core\Resource\File $file |
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* @return $this |
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*/ |
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public function applyDefaultCategories(File $file) |
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{ |
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$categoryList = ConfigurationUtility::getInstance()->get('default_categories'); |
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$categories = GeneralUtility::trimExplode(',', $categoryList, true); |
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foreach ($categories as $category) { |
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$values = array( |
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'uid_local' => $category, |
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'uid_foreign' => $this->getFileMetadataIdentifier($file), |
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'tablenames' => 'sys_file_metadata', |
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'fieldname' => 'categories', |
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); |
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$this->getDataService()->insert('sys_category_record_mm', $values); |
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} |
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$metaData['categories'] = count($categories); |
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$file->_updateMetaDataProperties($metaData); |
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$this->getMetaDataRepository()->update($file->getUid(), $metaData); |
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$this->getFileIndexRepository()->updateIndexingTime($file->getUid()); |
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return $this; |
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} |
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/** |
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* Retrieve the file metadata uid which is different from the file uid. |
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* |
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* @param \TYPO3\CMS\Core\Resource\File $file |
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* @return int |
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*/ |
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protected function getFileMetadataIdentifier(File $file) |
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{ |
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$metadataProperties = $file->_getMetaData(); |
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return isset($metadataProperties['_ORIG_uid']) ? (int)$metadataProperties['_ORIG_uid'] : (int)$metadataProperties['uid']; |
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} |
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/** |
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* Returns an instance of the FileIndexRepository |
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* |
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* @return FileIndexRepository |
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*/ |
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protected function getFileIndexRepository() |
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{ |
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return FileIndexRepository::getInstance(); |
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} |
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/** |
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* Returns an instance of the FileIndexRepository |
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* |
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* @return MetaDataRepository |
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*/ |
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protected function getMetaDataRepository() |
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{ |
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return MetaDataRepository::getInstance(); |
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} |
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/** |
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* Returns an instance of the FileIndexRepository |
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* |
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* @return ExtractorRegistry |
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*/ |
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protected function getExtractorRegistry() |
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{ |
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return ExtractorRegistry::getInstance(); |
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} |
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/** |
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* @return object|DataService |
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*/ |
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protected function getDataService(): DataService |
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{ |
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return GeneralUtility::makeInstance(DataService::class); |
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} |
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/** |
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* @return \TYPO3\CMS\Core\Resource\Index\Indexer|object |
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*/ |
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protected function getCoreIndexer() |
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{ |
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return GeneralUtility::makeInstance(\TYPO3\CMS\Core\Resource\Index\Indexer::class, $this->storage); |
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} |
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} |
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fabarea /
media
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.