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<?php |
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/** |
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* src/Utility/DoctrineConnector.php |
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* |
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* @license https://opensource.org/licenses/MIT MIT License |
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* @link https://miw.etsisi.upm.es/ ETS de Ingeniería de Sistemas Informáticos |
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*/ |
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namespace MiW\DemoDoctrine\Utility; |
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use Doctrine\DBAL\{ Connection, DriverManager }; |
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use Doctrine\ORM\{ EntityManager, EntityManagerInterface, ORMSetup }; |
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use Doctrine\ORM\Proxy\ProxyFactory; |
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use Exception; |
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// use Symfony\Component\Cache\Adapter\PhpFilesAdapter; |
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use Throwable; |
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/** |
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* Class DoctrineConnector |
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*/ |
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final class DoctrineConnector |
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{ |
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private static EntityManager|null $instance = null; |
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/** |
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* Generate the Entity Manager |
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* |
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* @return EntityManagerInterface |
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*/ |
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public static function getEntityManager(): EntityManagerInterface |
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{ |
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if (self::$instance instanceof EntityManager) { |
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return self::$instance; |
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} |
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if ( |
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!isset( |
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$_ENV['DATABASE_NAME'], |
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$_ENV['DATABASE_USER'], |
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$_ENV['DATABASE_PASSWD'], |
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$_ENV['ENTITY_DIR'], |
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$_ENV['SERVER_VERSION'], |
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) |
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) { |
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fwrite(STDERR, 'Faltan variables de entorno por definir' . PHP_EOL); |
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exit(1); |
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} |
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// Cargar configuración de la conexión. |
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$dbParams = [ |
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'host' => $_ENV['DATABASE_HOST'] ?? '127.0.0.1', |
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'port' => $_ENV['DATABASE_PORT'] ?? 3306, |
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'dbname' => $_ENV['DATABASE_NAME'], |
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'user' => $_ENV['DATABASE_USER'], |
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'password' => $_ENV['DATABASE_PASSWD'], |
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'driver' => $_ENV['DATABASE_DRIVER'] ?? 'pdo_mysql', |
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'serverVersion' => $_ENV['SERVER_VERSION'], |
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'charset' => $_ENV['DATABASE_CHARSET'] ?? 'UTF8', |
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]; |
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$entityDir = dirname(__DIR__, 2) . '/' . $_ENV['ENTITY_DIR']; |
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// $queryCache = new PhpFilesAdapter('doctrine_queries'); |
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// $metadataCache = new PhpFilesAdapter('doctrine_metadata'); |
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// $resultsCache = new PhpFilesAdapter('doctrine_results'); |
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$config = ORMSetup::createAttributeMetadataConfiguration( |
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paths: [ $entityDir ], // paths to mapped entities |
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isDevMode: true, // developper mode |
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proxyDir: (string) ini_get('sys_temp_dir') // Proxy dir |
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); |
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// $config->setQueryCache($queryCache); |
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// $config->setMetadataCache($metadataCache); |
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// $config->setResultCache($resultsCache); |
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$config->setAutoGenerateProxyClasses(ProxyFactory::AUTOGENERATE_FILE_NOT_EXISTS_OR_CHANGED); |
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// configuring the database connection |
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/** @var Connection $connection */ |
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$connection = DriverManager::getConnection($dbParams, $config); |
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try { |
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self::$instance = new EntityManager($connection, $config); |
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} catch (Throwable $e) { |
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$msg = sprintf('ERROR (%d): %s', $e->getCode(), $e->getMessage()); |
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fwrite(STDERR, $msg . PHP_EOL); |
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exit(1); |
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} |
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return self::$instance; |
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} |
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protected function __construct() |
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{ |
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} |
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protected function __clone() |
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{ |
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} |
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/** |
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100
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* @throws Exception |
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*/ |
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public function __wakeup() |
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{ |
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throw new Exception('Cannot unserialize a Singleton.'); |
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} |
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106
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} |
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