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HookDefinedMessageGroupFactory.php
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HookDefinedMessageGroupFactory.php
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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Translate\MessageGroupConfiguration;
use CacheDependency;
use MediaWiki\Extension\Translate\HookRunner;
use MediaWiki\Extension\Translate\MessageGroupProcessing\CachedMessageGroupFactory;
use Wikimedia\Rdbms\IReadableDatabase;
/**
* Creates message groups from the TranslatePostInitGroupsHook.
* @since 2024.06
* @author Niklas Laxström
* @license GPL-2.0-or-later
*/
final class HookDefinedMessageGroupFactory implements CachedMessageGroupFactory {
private HookRunner $hookRunner;
/** @var CacheDependency[] */
private array $deps;
public function __construct( HookRunner $hookRunner ) {
$this->hookRunner = $hookRunner;
}
public function getCacheKey(): string {
return 'hook-defined-groups';
}
public function getCacheVersion(): int {
return 1;
}
public function getDependencies(): array {
return $this->deps;
}
public function getData( IReadableDatabase $db ): array {
$groups = $deps = $autoload = [];
// When possible, a cache dependency is created to automatically recreate
// the cache when configuration changes. Currently used by other extensions
// such as Banner Messages and test cases to load message groups.
$this->hookRunner->onTranslatePostInitGroups( $groups, $deps, $autoload );
$value = [
'groups' => $groups,
'autoload' => $autoload
];
// Not ideal, but getDependencies is currently called after getData()
$this->deps = $deps;
return $value;
}
/** @inheritDoc */
public function createGroups( $data ): array {
global $wgAutoloadClasses;
self::appendAutoloader( $data['autoload'], $wgAutoloadClasses );
return $data['groups'];
}
/**
* Safely merges first array to second array, throwing warning on duplicates and removing
* duplicates from the first array.
* @param array $additions Things to append
* @param array &$to Where to append
*/
private static function appendAutoloader( array $additions, array &$to ) {
foreach ( $additions as $class => $file ) {
if ( isset( $to[$class] ) && $to[$class] !== $file ) {
$msg = "Autoload conflict for $class: $to[$class] !== $file";
trigger_error( $msg, E_USER_WARNING );
continue;
}
$to[$class] = $file;
}
}
}

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Aug 18 2026, 10:59 (5 w, 4 d ago)
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HookDefinedMessageGroupFactory.php (2 KB)

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