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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 FormZ project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\Service; |
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use Romm\Formz\Exceptions\ClassNotFoundException; |
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use Romm\Formz\Exceptions\InvalidOptionValueException; |
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use Romm\Formz\Service\Traits\ExtendedFacadeInstanceTrait; |
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use TYPO3\CMS\Core\Cache\Backend\BackendInterface; |
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use TYPO3\CMS\Core\Cache\CacheManager; |
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use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface; |
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use TYPO3\CMS\Core\SingletonInterface; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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class CacheService implements SingletonInterface |
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{ |
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use ExtendedFacadeInstanceTrait; |
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const CACHE_IDENTIFIER = 'cache_formz'; |
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const CONFIGURATION_OBJECT_CACHE_IDENTIFIER = 'cache_formz_configuration_object'; |
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const GENERATED_FILES_PATH = 'typo3temp/FormZ/'; |
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/** |
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* @var TypoScriptService |
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*/ |
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protected $typoScriptService; |
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/** |
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* @var FrontendInterface |
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*/ |
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protected $cacheInstance; |
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/** |
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* @var CacheManager |
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*/ |
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protected $cacheManager; |
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/** |
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* Returns the type of backend cache defined in TypoScript at the path: |
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* `settings.defaultBackendCache`. |
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* |
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* @return string |
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* @throws ClassNotFoundException |
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* @throws InvalidOptionValueException |
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*/ |
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public function getBackendCache() |
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{ |
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$backendCache = $this->typoScriptService->getExtensionConfigurationFromPath('settings.defaultBackendCache'); |
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if (false === class_exists($backendCache)) { |
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throw ClassNotFoundException::backendCacheClassNameNotFound($backendCache); |
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} |
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if (false === in_array(BackendInterface::class, class_implements($backendCache))) { |
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throw InvalidOptionValueException::wrongBackendCacheType($backendCache); |
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} |
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return $backendCache; |
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} |
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/** |
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* Returns the cache instance used by this extension. |
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* |
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* @return FrontendInterface |
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*/ |
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public function getCacheInstance() |
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{ |
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if (null === $this->cacheInstance) { |
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$this->cacheInstance = $this->cacheManager->getCache(self::CACHE_IDENTIFIER); |
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} |
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return $this->cacheInstance; |
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} |
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/** |
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* Generic cache identifier creation for usages in the extension. |
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* |
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* @param string $string |
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* @param string $formClassName |
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* @param int $maxLength |
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* @return string |
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*/ |
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public function getFormCacheIdentifier($string, $formClassName, $maxLength = 55) |
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{ |
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$shortClassName = end(explode('\\', $formClassName)); |
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$identifier = strtolower( |
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$string . |
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$shortClassName . |
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'-' . |
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sha1($formClassName) |
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); |
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return substr($identifier, 0, $maxLength); |
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} |
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/** |
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* Function called when clearing TYPO3 caches. It will remove the temporary |
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* asset files created by FormZ. |
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* |
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* @param array $parameters |
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*/ |
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public function clearCacheCommand($parameters) |
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{ |
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if (in_array($parameters['cacheCmd'], ['all', 'system'])) { |
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$files = $this->getFilesInPath(self::GENERATED_FILES_PATH . '*'); |
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foreach ($files as $file) { |
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$this->clearFile($file); |
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} |
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} |
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} |
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/** |
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* @param string $path |
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* @return array |
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*/ |
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protected function getFilesInPath($path) |
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{ |
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$files = glob(GeneralUtility::getFileAbsFileName($path)); |
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return (false === $files) |
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? [] |
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: $files; |
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} |
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/** |
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* @param string $file |
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*/ |
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protected function clearFile($file) |
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{ |
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touch($file, 0); |
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} |
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/** |
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* @param CacheManager $cacheManager |
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*/ |
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public function injectCacheManager(CacheManager $cacheManager) |
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{ |
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$this->cacheManager = $cacheManager; |
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} |
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/** |
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* @param TypoScriptService $typoScriptService |
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*/ |
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public function injectTypoScriptService(TypoScriptService $typoScriptService) |
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{ |
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$this->typoScriptService = $typoScriptService; |
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} |
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} |
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romm /
formz
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