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<?php |
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/** |
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* @author Sergey Bondarenko, <[email protected]> |
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*/ |
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namespace Drupal\TqExtension\Utils; |
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class DatabaseManager |
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{ |
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/** |
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* @var string |
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*/ |
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private $credentials = '-u%s -p%s'; |
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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 $originalName = ''; |
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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 $newName = ''; |
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/** |
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* Name of an object where this class is called. |
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* |
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* @var string |
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*/ |
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private $callee; |
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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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* @param string $callee |
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* Must be the value of "self::class" of callee object. |
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*/ |
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public function __construct($connection, $callee) |
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{ |
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if (!defined('DRUPAL_ROOT') || !function_exists('conf_path')) { |
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throw new \RuntimeException('Drupal is not bootstrapped.'); |
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} |
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if (!class_exists($callee)) { |
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throw new \InvalidArgumentException(sprintf('An object of "%s" type does not exist.', $callee)); |
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} |
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/** @var array $databases */ |
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require sprintf('%s/%s/settings.php', DRUPAL_ROOT, conf_path()); |
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if (empty($databases[$connection])) { |
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throw new \InvalidArgumentException(sprintf('The "%s" database connection does not exist.', $connection)); |
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} |
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$info = $databases[$connection]['default']; |
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$this->callee = $callee; |
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$this->originalName = $info['database']; |
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$this->newName = "tqextension_$this->originalName"; |
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$this->credentials = sprintf($this->credentials, $info['username'], $info['password']); |
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foreach (['drop', 'create'] as $action) { |
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$this->exec("mysql $this->credentials -e '$action database $this->newName;'"); |
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} |
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$this->exec("mysqldump $this->credentials $this->originalName | mysql $this->credentials $this->newName"); |
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} |
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/** |
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* Restore original database. |
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*/ |
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public function __destruct() |
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{ |
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$this->exec("mysqldump $this->credentials $this->newName | mysql $this->credentials $this->originalName"); |
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} |
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/** |
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* Executes a shell command. |
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* |
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* @param string $command |
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*/ |
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private function exec($command) |
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{ |
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$command = vsprintf($command, array_slice(func_get_args(), 1)); |
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if (method_exists($this->callee, 'debug')) { |
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call_user_func([$this->callee, 'debug'], [$command]); |
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} |
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shell_exec($command); |
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} |
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} |
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BR0kEN- /
TqExtension
This check looks for calls to
isset(...)orempty()on variables that are yet undefined. These calls will always produce the same result and can be removed.This is most likely caused by the renaming of a variable or the removal of a function/method parameter.