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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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// Helpers. |
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use Behat\DebugExtension\Debugger; |
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/** |
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* Class Operator. |
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* |
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* @package Drupal\TqExtension\Utils\Database |
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*/ |
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class Operator |
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{ |
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use Debugger; |
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/** |
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* MySQL and MySQLDump login arguments. |
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* |
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* @var string |
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*/ |
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private $credentials = ''; |
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/** |
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* Operator constructor. |
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* |
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* @param string $username |
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* The name of MySQL user. |
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* @param string $password |
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* Password from an account of MySQL user. |
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* @param string $host |
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* MySQL host address. |
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* @param string $port |
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* Port of the MySQL host. |
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*/ |
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public function __construct($username, $password = '', $host = '', $port = '') |
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{ |
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// -u%s -p%s -h%s -P%s |
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$credentials = []; |
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foreach ([ |
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'u' => $username, |
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'p' => $password, |
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'h' => $host, |
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'P' => $port, |
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] as $parameter => $value) { |
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if (!empty($value)) { |
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$credentials[] = "-$parameter$value"; |
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} |
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} |
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$this->credentials = implode(' ', $credentials); |
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} |
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/** |
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* @param string $name |
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* Name of the database to check. |
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* |
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* @return bool |
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* Checking state. |
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*/ |
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public function exist($name) |
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{ |
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return !empty($this->exec("mysql -e 'show databases' | grep '^$name$'")); |
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} |
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/** |
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* @param string $name |
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* Name of the database to create. |
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*/ |
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public function create($name) |
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{ |
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if (!$this->exist($name)) { |
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$this->exec("mysql -e '%s database $name;'", __FUNCTION__); |
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} |
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} |
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/** |
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* @param string $name |
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* Name of the database to drop. |
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*/ |
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public function drop($name) |
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{ |
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if ($this->exist($name)) { |
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$this->exec("mysql -e '%s database $name;'", __FUNCTION__); |
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} |
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} |
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/** |
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* @param string $source |
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* Source DB name. |
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* @param string $destination |
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* Name of the new DB. |
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*/ |
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public function copy($source, $destination) |
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{ |
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$this->drop($destination); |
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$this->create($destination); |
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$this->exec("mysqldump $source | mysql $destination"); |
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} |
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/** |
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* @param string $name |
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* Name of the DB. |
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*/ |
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public function clear($name) |
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{ |
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$this->drop($name); |
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$this->create($name); |
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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 $command |
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* Command to execute. |
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* |
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* @return string |
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* Result of a shell command. |
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*/ |
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private function exec($command) |
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{ |
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// Adding credentials after "mysql" and "mysqldump" commands. |
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$command = preg_replace( |
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'/(mysql(?:dump)?)/', |
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"\\1 $this->credentials", |
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vsprintf($command, array_slice(func_get_args(), 1)) |
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); |
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self::debug(['%s'], [$command]); |
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return trim(shell_exec($command)); |
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} |
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} |
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BR0kEN- /
TqExtension
