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<?php |
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namespace Silviooosilva\CacheerPhp\Core; |
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use Exception; |
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use PDO; |
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use PDOException; |
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/** |
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* Class Connect |
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* @author Sílvio Silva <https://github.com/silviooosilva> |
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* @package Silviooosilva\CacheerPhp |
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*/ |
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class Connect |
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{ |
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/** |
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* @var string |
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*/ |
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public static string $connection = 'sqlite'; |
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/** |
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* @var array |
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*/ |
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private static array $instance; |
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/** |
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* @var PDOException|null |
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*/ |
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private static ?PDOException $error = null; |
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/** |
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* @param array|null $database |
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* @return PDO|null |
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*/ |
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public static function getInstance(array $database = null) |
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{ |
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$dbConf = $database ?? CACHEER_DATABASE_CONFIG[self::getConnection()]; |
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if ($dbConf["driver"] === 'sqlite') { |
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$dbName = $dbConf["dbname"]; |
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$dbDsn = $dbConf["driver"] . ":" . $dbName; |
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} else { |
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$dbName = "{$dbConf["driver"]}-{$dbConf["dbname"]}@{$dbConf["host"]}"; |
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$dbDsn = $dbConf["driver"] . ":host=" . $dbConf["host"] . ";dbname=" . $dbConf["dbname"] . ";port=" . $dbConf["port"]; |
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} |
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if (!isset(self::$instance)) { |
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self::$instance = []; |
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} |
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if (empty(self::$instance[$dbName])) { |
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try { |
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$options = $dbConf["options"] ?? []; |
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foreach ($options as $key => $value) { |
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if (is_string($value) && defined($value)) { |
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$options[$key] = constant($value); |
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} |
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} |
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self::$instance[$dbName] = new PDO( |
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$dbDsn, |
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$dbConf["username"] ?? null, |
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$dbConf["passwd"] ?? null, |
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$options |
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); |
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self::migrate(self::$instance[$dbName]); |
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} catch (PDOException $exception) { |
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self::$error = $exception; |
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return null; |
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} |
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} |
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return self::$instance[$dbName]; |
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} |
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/** |
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* @return void |
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*/ |
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public static function migrate(PDO $Connection) |
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{ |
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$driver = $Connection->getAttribute(PDO::ATTR_DRIVER_NAME); |
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$createdAtDefault = ($driver === 'pgsql') ? 'DEFAULT NOW()' : 'DEFAULT CURRENT_TIMESTAMP'; |
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try { |
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if ($driver !== 'sqlite') { |
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$Connection->exec("USE " . CACHEER_DATABASE_CONFIG[self::getConnection()]['dbname']); |
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} |
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if ($driver === 'sqlite') { |
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$query = "CREATE TABLE IF NOT EXISTS cacheer_table ( |
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id INTEGER PRIMARY KEY AUTOINCREMENT, |
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cacheKey VARCHAR(255) NOT NULL, |
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cacheData TEXT NOT NULL, |
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cacheNamespace VARCHAR(255), |
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expirationTime DATETIME NOT NULL, |
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created_at DATETIME $createdAtDefault |
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)"; |
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} else { |
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$query = "CREATE TABLE IF NOT EXISTS cacheer_table ( |
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id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY, |
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cacheKey VARCHAR(255) NOT NULL, |
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cacheData LONGTEXT NOT NULL, |
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cacheNamespace VARCHAR(255) NULL, |
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expirationTime DATETIME NOT NULL, |
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created_at TIMESTAMP $createdAtDefault |
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)"; |
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} |
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$Connection->exec($query); |
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} catch (PDOException $exception) { |
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self::$error = $exception; |
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} |
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} |
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/** |
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* @param string $connection |
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* @throws \Exception |
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* @return void |
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*/ |
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public static function setConnection(string $connection) |
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{ |
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$drivers = ['mysql', 'sqlite', 'pgsql']; |
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if (!in_array($connection, $drivers)) { |
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throw new Exception("Only ['MySQL(mysql)', 'SQLite(sqlite)', 'PgSQL(pgsql)'] Are available at the moment..."); |
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} |
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self::$connection = $connection; |
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} |
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/** |
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* @return string |
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*/ |
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public static function getConnection() |
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{ |
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return self::$connection; |
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} |
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/** |
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* @return PDOException|null |
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*/ |
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public static function getError() |
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{ |
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return self::$error; |
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} |
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/** |
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* Connect constructor. |
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*/ |
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private function __construct() {} |
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/** |
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* Connect clone. |
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*/ |
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private function __clone() {} |
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} |
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