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<?php |
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/** |
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* persistence implementation class |
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*/ |
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namespace Phile\Plugin\Phile\SimpleFileDataPersistence\Persistence; |
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use Phile\ServiceLocator\PersistenceInterface; |
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/** |
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* Class SimpleFileDataPersistence |
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* |
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* @author Frank Nägler |
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* @link https://philecms.github.io |
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* @license http://opensource.org/licenses/MIT |
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* @package Phile\Plugin\Phile\SimpleFileDataPersistence\Persistence |
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*/ |
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class SimpleFileDataPersistence implements PersistenceInterface |
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{ |
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/** |
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* @var string $dataDirectory the data storage directory |
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*/ |
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protected $dataDirectory; |
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/** |
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* the constructor |
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* |
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* @param string $dataDir Directory to store data |
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*/ |
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public function __construct(string $dataDir) |
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{ |
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$this->dataDirectory = $dataDir; |
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} |
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/** |
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* check if key exists |
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* |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return (file_exists($this->getStorageFile($key))); |
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} |
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/** |
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* get value for given key |
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* |
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* @param string $key |
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* |
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* @return mixed |
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* @throws \Phile\Exception\AbstractException |
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*/ |
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public function get($key) |
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{ |
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if (!$this->has($key)) { |
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throw new \Phile\Exception\AbstractException("no data storage for key '{$key}' exists!"); |
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} |
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return unserialize(file_get_contents($this->getStorageFile($key))); |
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} |
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/** |
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* set value for given key |
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* |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return void |
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*/ |
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public function set($key, $value) |
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{ |
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file_put_contents($this->getStorageFile($key), serialize($value)); |
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} |
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/** |
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* delte given key/index |
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* |
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* @param string $key |
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* @param array $options |
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* |
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* @return void |
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* @throws \Phile\Exception\AbstractException |
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*/ |
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public function delete($key, array $options = array()) |
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{ |
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if (!$this->has($key)) { |
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throw new \Phile\Exception\AbstractException("no data storage for key '{$key}' exists!"); |
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} |
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unlink($this->getStorageFile($key)); |
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} |
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/** |
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* generate internal key |
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* |
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* @param string $key |
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* |
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* @return string |
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*/ |
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protected function getInternalKey($key) |
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{ |
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return md5($key); |
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} |
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/** |
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* get storage filename |
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* |
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* @param string $key |
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* |
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* @return string |
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*/ |
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protected function getStorageFile($key) |
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{ |
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return $this->dataDirectory . $this->getInternalKey($key) . '.ds'; |
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} |
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} |
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PhileCMS /
Phile
