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<?php |
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/* |
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* This file is part of the Yawik project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Core\Service; |
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use Core\Application; |
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use Interop\Container\ContainerInterface; |
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use Symfony\Component\Console\Input\StringInput; |
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use Symfony\Component\Console\Output\ConsoleOutput; |
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use Symfony\Component\Console\Style\SymfonyStyle; |
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use Symfony\Component\Filesystem\Filesystem; |
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use Symfony\Component\Finder\Finder; |
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use Zend\ModuleManager\Listener\ListenerOptions; |
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use Zend\Stdlib\Glob; |
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/** |
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* Class CacheWarmupService |
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* |
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* @package Core\Service |
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* @author Anthonius Munthi <[email protected]> |
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* @since 0.32 |
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*/ |
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class ClearCacheService |
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{ |
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/** |
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* @var ListenerOptions |
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*/ |
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private $options; |
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/** |
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* @var Filesystem |
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*/ |
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private $filesystem; |
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/** |
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* @var SymfonyStyle |
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*/ |
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private $io; |
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/** |
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* Clear cache constructor. |
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* @param ListenerOptions $options |
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* @param Filesystem|null $filesystem |
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*/ |
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public function __construct(ListenerOptions $options, Filesystem $filesystem = null) |
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{ |
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if (is_null($filesystem)) { |
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$filesystem = new Filesystem(); |
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} |
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$this->options = $options; |
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$this->filesystem = $filesystem; |
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if (php_sapi_name() === 'cli') { |
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$this->io = new SymfonyStyle(new StringInput(''), new ConsoleOutput()); |
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} |
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} |
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/** |
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* Creates new ClearCacheService object |
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* @param ContainerInterface $container |
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* @return ClearCacheService |
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*/ |
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public static function factory(ContainerInterface $container) |
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{ |
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/* @var \Zend\ModuleManager\ModuleManager $manager */ |
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$config = $container->get('ApplicationConfig'); |
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$options = new ListenerOptions($config['module_listener_options']); |
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return new static($options); |
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} |
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/** |
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* Clear all cache files in cache directory. |
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* Only cleans cache file in path/to/yawik/var/cache/*.php. |
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* Files in sub cache directory will not be removed |
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* |
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* @throws \Exception when cache directory is null |
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* @throws \Exception when cache directory is not exists or not writable |
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*/ |
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public function clearCache() |
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{ |
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// do not clear cache when cache directory not exists |
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$cacheDir = $this->options->getCacheDir(); |
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if (is_null($cacheDir)) { |
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throw new \Exception(sprintf( |
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'Cache directory is not configured properly.' |
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)); |
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} |
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if (!is_dir($cacheDir) || !is_writable($cacheDir)) { |
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throw new \Exception( |
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sprintf( |
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'Can not clear cache in "%s". Please be sure that directory exists and writable.', |
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$cacheDir |
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) |
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); |
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} |
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$finder = Finder::create() |
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->in($cacheDir) |
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->ignoreDotFiles(false) |
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->name('*.php') |
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->name('.checksum') |
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->depth(0) |
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; |
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try { |
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$this->filesystem->remove($finder); |
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return true; |
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} catch (\Exception $e) { |
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// just log the error |
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$this->log('<error>'.$e->getMessage().'</error>'); |
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return false; |
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} |
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} |
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/** |
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* This function will check cache by creating md5 sum |
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* from all file modification time in config/autoload/*.php. |
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* If checksum is invalid it will automatically call clear cache. |
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*/ |
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public function checkCache() |
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{ |
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$options = $this->options; |
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1 |
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$configDir = Application::getConfigDir(); |
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$cacheDir = $options->getCacheDir(); |
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if (!is_dir($cacheDir)) { |
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mkdir($cacheDir, 0777, true); |
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} |
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1 |
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$mtimes = []; |
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$mtimes[] = filemtime($configDir.'/config.php'); |
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foreach ($options->getConfigGlobPaths() as $path) { |
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foreach (Glob::glob($path, Glob::GLOB_BRACE) as $file) { |
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$mtimes[] = filemtime($file); |
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} |
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} |
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$checksum = md5(serialize($mtimes)); |
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$checksumFile = $options->getCacheDir().'/.checksum'; |
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if (!file_exists($checksumFile)) { |
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touch($checksumFile); |
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} |
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if (is_readable($checksumFile)) { |
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$cacheSum = file_get_contents($checksumFile); |
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if ($cacheSum != $checksum) { |
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$this->clearCache(); |
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file_put_contents($checksumFile, $checksum, LOCK_EX); |
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} |
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} else { |
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$this->log("Can\'t process cache .checksum file is not readable."); |
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} |
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1 |
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} |
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private function log($message) |
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{ |
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$io = $this->io; |
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if ($io instanceof SymfonyStyle) { |
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$io->writeln($message); |
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} |
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} |
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} |
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cross-solution /
YAWIK
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