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<?php |
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/** |
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* @author Sergii Bondarenko, <[email protected]> |
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*/ |
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namespace Drupal\TqExtension\Utils\Database; |
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/** |
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* Class Database. |
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* |
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* @package Drupal\TqExtension\Utils\Database |
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*/ |
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class Database |
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{ |
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/** |
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* @var Operator |
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*/ |
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private $db; |
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/** |
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* Name of original database. |
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* |
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* @var string |
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*/ |
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private $source = ''; |
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/** |
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* Name of temporary database that will store data from original. |
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* |
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* @var string |
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*/ |
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private $temporary = ''; |
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/** |
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* Indicates that DB was cloned. |
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* |
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* @var bool |
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*/ |
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private $cloned = false; |
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/** |
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* @param string $connection |
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* Database connection name (key in $databases array from settings.php). |
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*/ |
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public function __construct($connection) |
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{ |
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if (!defined('DRUPAL_ROOT') || !function_exists('conf_path')) { |
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throw new \RuntimeException('Drupal is not bootstrapped.'); |
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} |
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$databases = []; |
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require sprintf('%s/%s/settings.php', DRUPAL_ROOT, conf_path()); |
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if (empty($databases[$connection])) { |
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throw new \InvalidArgumentException(sprintf('The "%s" database connection does not exist.', $connection)); |
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} |
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$db = $databases[$connection]['default']; |
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$this->db = new Operator($db['username'], $db['password'], $db['host'], $db['port']); |
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$this->source = $db['database']; |
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$this->temporary = "tqextension_$this->source"; |
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} |
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/** |
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* Clone a database. |
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*/ |
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public function __clone() |
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{ |
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// Drop and create temporary DB and copy source into it. |
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$this->db->copy($this->source, $this->temporary); |
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$this->cloned = true; |
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} |
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/** |
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* Restore original database. |
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*/ |
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public function __destruct() |
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{ |
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if ($this->cloned) { |
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// Drop and create source DB and copy temporary into it. |
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$this->db->copy($this->temporary, $this->source); |
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// Kill temporary DB. |
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$this->db->drop($this->temporary); |
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} |
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} |
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} |
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BR0kEN- /
TqExtension
