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<?php |
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namespace Fab\Vidi\Service; |
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/* |
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* This file is part of the Fab/Vidi 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\Utility\BackendUtility; |
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use TYPO3\CMS\Core\Resource\File; |
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use TYPO3\CMS\Core\Resource\ResourceFactory; |
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use TYPO3\CMS\Core\SingletonInterface; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use Fab\Vidi\Domain\Model\Content; |
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use Fab\Vidi\Tca\Tca; |
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/** |
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* File References service. |
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* Find a bunch of file references given by the property name. |
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*/ |
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class FileReferenceService implements SingletonInterface |
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{ |
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/** |
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* @var array |
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*/ |
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static protected $instances = []; |
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/** |
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* Returns a class instance |
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* |
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* @return \Fab\Vidi\Service\FileReferenceService|object |
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*/ |
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static public function getInstance() |
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{ |
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return GeneralUtility::makeInstance(\Fab\Vidi\Service\FileReferenceService::class); |
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} |
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/** |
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* @param Content $object |
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* @param string $propertyName |
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* @return File[] |
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*/ |
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public function findReferencedBy($propertyName, Content $object) |
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{ |
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if (!isset(self::$instances[$object->getUid()][$propertyName])) { |
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// Initialize instances value |
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if (!isset(self::$instances[$object->getUid()])) { |
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self::$instances[$object->getUid()] = []; |
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} |
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$fieldName = GeneralUtility::camelCaseToLowerCaseUnderscored($propertyName); |
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$field = Tca::table($object->getDataType())->field($fieldName); |
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if ($field->getForeignTable() === 'sys_file_reference') { |
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$files = $this->findByFileReference($propertyName, $object); |
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self::$instances[$object->getUid()][$propertyName] = $files; |
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} else { |
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// @todo the standard way of handling file references is by "sys_file_reference". Let see if there is other use cases... |
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} |
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} |
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return self::$instances[$object->getUid()][$propertyName]; |
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} |
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/** |
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* Fetch the files given an object assuming |
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* |
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* @param $propertyName |
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* @param Content $object |
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* @return File[] |
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*/ |
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protected function findByFileReference($propertyName, Content $object) |
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{ |
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$fileField = 'uid_local'; |
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$tableName = 'sys_file_reference'; |
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$rows = $this->getDataService()->getRecords( |
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$tableName, |
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[ |
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'tablenames' => $object->getDataType(), |
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'fieldname'=> GeneralUtility::camelCaseToLowerCaseUnderscored($propertyName), |
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'uid_foreign'=> $object->getUid(), |
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] |
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); |
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// Build array of Files |
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$files = []; |
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foreach ($rows as $row) { |
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$files[] = ResourceFactory::getInstance()->getFileObject($row[$fileField]); |
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} |
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return $files; |
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} |
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/** |
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* @return DataService |
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*/ |
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protected function getDataService(): string |
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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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fabarea /
vidi
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.