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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Storage;
use InvalidArgumentException;
use Psr\Log\LoggerInterface;
use Wikimedia\ObjectCache\WANObjectCache;
use Wikimedia\Rdbms\ILBFactory;
class NameTableStoreFactory {
/** @var array<string,mixed> */
private static $info;
/** @var array<string,array<string,NameTableStore>> */
private $stores = [];
/** @var ILBFactory */
private $lbFactory;
/** @var WANObjectCache */
private $cache;
/** @var LoggerInterface */
private $logger;
private static function getTableInfo(): array {
if ( self::$info ) {
return self::$info;
}
self::$info = [
'change_tag_def' => [
'idField' => 'ctd_id',
'nameField' => 'ctd_name',
'normalizationCallback' => null,
'insertCallback' => static function ( $insertFields ) {
$insertFields['ctd_user_defined'] = 0;
$insertFields['ctd_count'] = 0;
return $insertFields;
}
],
'content_models' => [
'idField' => 'model_id',
'nameField' => 'model_name',
/**
* No strtolower normalization is added to the service as there are examples of
* extensions that do not stick to this assumption.
* - extensions/examples/DataPages define( 'CONTENT_MODEL_XML_DATA','XML_DATA' );
* - extensions/Scribunto define( 'CONTENT_MODEL_SCRIBUNTO', 'Scribunto' );
*/
],
'slot_roles' => [
'idField' => 'role_id',
'nameField' => 'role_name',
'normalizationCallback' => 'strtolower',
],
];
return self::$info;
}
public function __construct(
ILBFactory $lbFactory,
WANObjectCache $cache,
LoggerInterface $logger
) {
$this->lbFactory = $lbFactory;
$this->cache = $cache;
$this->logger = $logger;
}
/**
* Get a NameTableStore for a specific table
*
* @param string $tableName
* @param string|false $wiki The target wiki ID, or false for the current wiki
* @return NameTableStore
*/
public function get( $tableName, $wiki = false ): NameTableStore {
$infos = self::getTableInfo();
if ( !isset( $infos[$tableName] ) ) {
throw new InvalidArgumentException( "Invalid table name \$tableName" );
}
if ( $wiki !== false && $wiki === $this->lbFactory->getLocalDomainID() ) {
$wiki = false;
}
if ( isset( $this->stores[$tableName][$wiki] ) ) {
return $this->stores[$tableName][$wiki];
}
$info = $infos[$tableName];
$store = new NameTableStore(
$this->lbFactory->getMainLB( $wiki ),
$this->cache,
$this->logger,
$tableName,
$info['idField'],
$info['nameField'],
$info['normalizationCallback'] ?? null,
$wiki,
$info['insertCallback'] ?? null
);
$this->stores[$tableName][$wiki] = $store;
return $store;
}
/**
* Get a NameTableStore for the change_tag_def table
*
* @param string|bool $wiki
* @return NameTableStore
*/
public function getChangeTagDef( $wiki = false ): NameTableStore {
return $this->get( 'change_tag_def', $wiki );
}
/**
* Get a NameTableStore for the content_models table
*
* @param string|bool $wiki
* @return NameTableStore
*/
public function getContentModels( $wiki = false ): NameTableStore {
return $this->get( 'content_models', $wiki );
}
/**
* Get a NameTableStore for the slot_roles table
*
* @param string|bool $wiki
* @return NameTableStore
*/
public function getSlotRoles( $wiki = false ): NameTableStore {
return $this->get( 'slot_roles', $wiki );
}
}