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<?php |
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namespace Rougin\Describe\Driver; |
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/** |
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* Database Driver |
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* |
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* A database driver for using available database drivers. |
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* |
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* @package Describe |
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* @category Driver |
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* @author Rougin Royce Gutib <[email protected]> |
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*/ |
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class DatabaseDriver implements DriverInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $configuration = []; |
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/** |
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* @var \Rougin\Describe\Driver\DriverInterface |
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*/ |
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protected $driver; |
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/** |
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* @param string $driverName |
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* @param array $configuration |
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*/ |
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public function __construct($driverName, $configuration = []) |
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{ |
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$this->configuration = $configuration; |
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$this->driver = $this->getDriver($driverName, $configuration); |
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} |
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/** |
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* Gets the specified driver from the specified database connection. |
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* |
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* @param string $driverName |
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* @param array $configuration |
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* @return \Rougin\Describe\Driver\DriverInterface |
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* @throws \Rougin\Describe\Exceptions\DatabaseDriverNotFoundException |
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*/ |
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protected function getDriver($driverName, $configuration = []) |
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{ |
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$mysql = [ 'mysql', 'mysqli' ]; |
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$sqlite = [ 'pdo', 'sqlite', 'sqlite3' ]; |
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list($database, $hostname, $username, $password) = $this->parseConfiguration($configuration); |
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if (in_array($driverName, $mysql)) { |
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$dsn = 'mysql:host=' . $hostname . ';dbname=' . $database; |
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$pdo = new \PDO($dsn, $username, $password); |
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return new MySQLDriver($pdo, $database); |
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} |
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if (in_array($driverName, $sqlite)) { |
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$pdo = new \PDO($hostname); |
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return new SQLiteDriver($pdo); |
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} else { |
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$message = 'Specified database driver not found!'; |
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throw new \Rougin\Describe\Exceptions\DatabaseDriverNotFoundException($message); |
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} |
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} |
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/** |
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* Returns the result. |
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* |
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* @return array |
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*/ |
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public function getTable($table) |
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{ |
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return $this->driver->getTable($table); |
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} |
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/** |
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* Shows the list of tables. |
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* |
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* @return array |
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*/ |
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public function showTables() |
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{ |
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return $this->driver->showTables(); |
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} |
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/** |
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* Parses the configuration into separate variables. |
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* |
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* @param array $configuration |
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* @return array |
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*/ |
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protected function parseConfiguration(array $configuration) |
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{ |
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$database = null; |
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$hostname = null; |
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$password = null; |
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$username = null; |
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foreach ($configuration as $key => $value) { |
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if (isset($configuration[$key])) { |
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$$key = $configuration[$key]; |
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} |
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} |
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return [ $database, $hostname, $username, $password ]; |
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} |
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} |
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rougin /
describe
