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<?php
/**
* Contains a helper class to help replace titles.
* @license GPL-2.0-or-later
*/
namespace MediaWiki\Extension\Translate\Utilities;
use MessageHandle;
use Title;
use TitleArray;
use TitleArrayFromResult;
use TranslateUtils;
/**
* Helper class that cotains utility methods to help with identifying and replace titles.
* @since 2019.10
*/
class TranslateReplaceTitle {
/**
* Returns two lists: a set of message handles that would be moved/renamed by
* the current text replacement, and the set of message handles that would ordinarily
* be moved but are not movable, due to permissions or any other reason.
* @param MessageHandle $sourceMessageHandle
* @param string $replacement
* @return Title[][]
*/
public static function getTitlesForMove(
MessageHandle $sourceMessageHandle, $replacement
) {
$titlesForMove = [];
$namespace = $sourceMessageHandle->getTitle()->getNamespace();
$titles = self::getMatchingTitles( $sourceMessageHandle );
foreach ( $titles as $title ) {
$handle = new MessageHandle( $title );
// This takes care of situations where we have two different titles
// foo and foo/bar, both will be matched and fetched but the slash
// does not represent a language separator
if ( $handle->getKey() !== $sourceMessageHandle->getKey() ) {
continue;
}
$targetTitle = Title::makeTitle(
$namespace,
TranslateUtils::title( $replacement, $handle->getCode(), $namespace )
);
$titlesForMove[] = [ $title, $targetTitle ];
}
return $titlesForMove;
}
/**
* @param MessageHandle $handle
* @return TitleArrayFromResult
*/
private static function getMatchingTitles( MessageHandle $handle ) {
$dbr = wfGetDB( DB_MASTER );
$tables = [ 'page' ];
$vars = [ 'page_title', 'page_namespace', 'page_id' ];
$comparisonCond = 'page_title ' . $dbr->buildLike(
$handle->getTitleForBase()->getDBkey(), '/', $dbr->anyString()
);
$conds = [
$comparisonCond,
'page_namespace' => $handle->getTitle()->getNamespace(),
];
$result = $dbr->select( $tables, $vars, $conds, __METHOD__ );
return TitleArray::newFromResult( $result );
}
}
class_alias( TranslateReplaceTitle::class, '\MediaWiki\Extensions\Translate\TranslateReplaceTitle' );
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