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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Translate;
use ChangesListStringOptionsFilterGroup;
use MediaWiki\Config\Config;
use MediaWiki\Context\IContextSource;
use MediaWiki\Context\RequestContext;
use MediaWiki\Hook\SpecialRecentChangesPanelHook;
use MediaWiki\Html\Html;
use MediaWiki\MediaWikiServices;
use MediaWiki\SpecialPage\Hook\ChangesListSpecialPageQueryHook;
use MediaWiki\SpecialPage\Hook\ChangesListSpecialPageStructuredFiltersHook;
use MediaWiki\Specials\SpecialRecentChanges;
use MediaWiki\Storage\NameTableAccessException;
use MediaWiki\Xml\XmlSelect;
use RecentChange;
use Wikimedia\Rdbms\ILoadBalancer;
use Wikimedia\Rdbms\IReadableDatabase;
/**
* Class to add a new filter to Special:RecentChanges which makes it possible to filter
* translations away or show them only.
*
* @author Niklas Laxström
* @copyright Copyright © 2010, Niklas Laxström
* @license GPL-2.0-or-later
*/
class RecentChangesTranslationFilterHookHandler implements
SpecialRecentChangesPanelHook,
ChangesListSpecialPageStructuredFiltersHook,
ChangesListSpecialPageQueryHook
{
private ILoadBalancer $loadBalancer;
private Config $config;
public function __construct( ILoadBalancer $loadBalancer, Config $config ) {
$this->loadBalancer = $loadBalancer;
$this->config = $config;
}
/** @inheritDoc */
public function onChangesListSpecialPageQuery(
$pageName,
&$tables,
&$fields,
&$conds,
&$query_options,
&$join_conds,
$opts
): void {
$translateRcFilterDefault = $this->config->get( 'TranslateRcFilterDefault' );
if ( $pageName !== 'Recentchanges' || $this->isStructuredFilterUiEnabled() ) {
return;
}
$request = RequestContext::getMain()->getRequest();
$translations = $request->getVal( 'translations', $translateRcFilterDefault );
$opts->add( 'translations', $translateRcFilterDefault );
$opts->setValue( 'translations', $translations );
$dbr = $this->loadBalancer->getConnection( DB_REPLICA );
$namespaces = $this->getTranslateNamespaces();
if ( $translations === 'only' ) {
$conds[] = 'rc_namespace IN (' . $dbr->makeList( $namespaces ) . ')';
$conds[] = 'rc_title like \'%%/%%\'';
} elseif ( $translations === 'filter' ) {
$conds[] = 'rc_namespace NOT IN (' . $dbr->makeList( $namespaces ) . ')';
} elseif ( $translations === 'site' ) {
$conds[] = 'rc_namespace IN (' . $dbr->makeList( $namespaces ) . ')';
$conds[] = 'rc_title not like \'%%/%%\'';
}
}
private function getTranslateNamespaces(): array {
$translateMessageNamespaces = $this->config->get( 'TranslateMessageNamespaces' );
$namespaces = [];
foreach ( $translateMessageNamespaces as $index ) {
$namespaces[] = $index;
$namespaces[] = $index + 1; // Include Talk namespaces
}
return $namespaces;
}
/**
* Adds a HTMl selector into $items
* @inheritDoc
*/
public function onSpecialRecentChangesPanel( &$extraOpts, $opts ): void {
if ( $this->isStructuredFilterUiEnabled() ) {
return;
}
$opts->consumeValue( 'translations' );
$default = $opts->getValue( 'translations' );
$label = Html::label(
wfMessage( 'translate-rc-translation-filter' )->text(),
'mw-translation-filter'
);
$select = new XmlSelect( 'translations', 'mw-translation-filter', $default );
$select->addOption(
wfMessage( 'translate-rc-translation-filter-no' )->text(),
'noaction'
);
$select->addOption( wfMessage( 'translate-rc-translation-filter-only' )->text(), 'only' );
$select->addOption(
wfMessage( 'translate-rc-translation-filter-filter' )->text(),
'filter'
);
$select->addOption( wfMessage( 'translate-rc-translation-filter-site' )->text(), 'site' );
$extraOpts['translations'] = [ $label, $select->getHTML() ];
}
private function isStructuredFilterUiEnabled(): bool {
$context = RequestContext::getMain();
// This assumes usage only on RC page
$page = new SpecialRecentChanges();
$page->setContext( $context );
return $page->isStructuredFilterUiEnabled();
}
/**
* Adds translations filters to structured UI
* @inheritDoc
*/
public function onChangesListSpecialPageStructuredFilters( $special ): void {
$translateRcFilterDefault = $this->config->get( 'TranslateRcFilterDefault' );
$defaultFilter = $translateRcFilterDefault !== 'noaction' ?
$translateRcFilterDefault :
ChangesListStringOptionsFilterGroup::NONE;
$translationsGroup = new ChangesListStringOptionsFilterGroup(
[
'name' => 'translations',
'title' => 'translate-rcfilters-translations',
'priority' => -7,
'default' => $defaultFilter,
'isFullCoverage' => true,
'filters' => [
[
'name' => 'only',
'label' => 'translate-rcfilters-translations-only-label',
'description' => 'translate-rcfilters-translations-only-desc',
'cssClassSuffix' => 'only',
'isRowApplicableCallable' => function ( IContextSource $ctx, RecentChange $rc ) {
$namespaces = $this->getTranslateNamespaces();
return in_array( $rc->getAttribute( 'rc_namespace' ), $namespaces ) &&
!str_contains( $rc->getAttribute( 'rc_title' ), '/' );
}
],
[
'name' => 'site',
'label' => 'translate-rcfilters-translations-site-label',
'description' => 'translate-rcfilters-translations-site-desc',
'cssClassSuffix' => 'site',
'isRowApplicableCallable' => function ( IContextSource $ctx, RecentChange $rc ) {
$namespaces = $this->getTranslateNamespaces();
return in_array( $rc->getAttribute( 'rc_namespace' ), $namespaces ) &&
!str_contains( $rc->getAttribute( 'rc_title' ), '/' );
}
],
[
'name' => 'filter',
'label' => 'translate-rcfilters-translations-filter-label',
'description' => 'translate-rcfilters-translations-filter-desc',
'cssClassSuffix' => 'filter',
'isRowApplicableCallable' => function ( IContextSource $ctx, RecentChange $rc ) {
$namespaces = $this->getTranslateNamespaces();
return !in_array( $rc->getAttribute( 'rc_namespace' ), $namespaces );
}
],
[
'name' => 'filter-translation-pages',
'label' => 'translate-rcfilters-translations-filter-translation-pages-label',
'description' => 'translate-rcfilters-translations-filter-translation-pages-desc',
'cssClassSuffix' => 'filter-translation-pages',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
$tags = explode( ', ', $rc->getAttribute( 'ts_tags' ) ?? '' );
return !in_array( 'translate-filter-translation-pages', $tags );
}
],
],
'queryCallable' => function (
string $specialClassName,
IContextSource $ctx,
IReadableDatabase $dbr,
array &$tables,
array &$fields,
array &$conds,
array &$query_options,
array &$join_conds,
array $selectedValues
) {
$fields = array_merge( $fields, [ 'rc_title', 'rc_namespace' ] );
// Handle changes to translation pages separately
$filterRenderedIndex = array_search( 'filter-translation-pages', $selectedValues );
if ( $filterRenderedIndex !== false ) {
unset( $selectedValues[$filterRenderedIndex] );
$selectedValues = array_values( $selectedValues );
$changeTagDefStore = MediaWikiServices::getInstance()->getChangeTagDefStore();
try {
$renderedPage = $changeTagDefStore->getId( 'translate-translation-pages' );
// Hard-coded string, as ChangeTags::CHANGE_TAG is a private const.
$tables['translatetags'] = 'change_tag';
$join_conds['translatetags'] = [
'LEFT JOIN',
[ 'translatetags.ct_rc_id=rc_id', 'translatetags.ct_tag_id' => $renderedPage ]
];
$conds['translatetags.ct_tag_id'] = null;
} catch ( NameTableAccessException ) {
// Tag name does not yet exist in DB.
}
}
$namespaces = $this->getTranslateNamespaces();
$inNamespaceCond = 'rc_namespace IN (' .
$dbr->makeList( $namespaces ) . ')';
$notInNamespaceCond = 'rc_namespace NOT IN (' .
$dbr->makeList( $namespaces ) . ')';
$onlyCond = $dbr->makeList( [
$inNamespaceCond,
'rc_title ' .
$dbr->buildLike( $dbr->anyString(), '/', $dbr->anyString() )
], LIST_AND );
$siteCond = $dbr->makeList( [
$inNamespaceCond,
'rc_title NOT' .
$dbr->buildLike( $dbr->anyString(), '/', $dbr->anyString() )
], LIST_AND );
if ( count( $selectedValues ) === 3 ) {
// no filters
return;
}
if ( $selectedValues === [ 'filter', 'only' ] ) {
$conds[] = $dbr->makeList( [
$notInNamespaceCond,
$onlyCond
], LIST_OR );
return;
}
if ( $selectedValues === [ 'filter', 'site' ] ) {
$conds[] = $dbr->makeList( [
$notInNamespaceCond,
$siteCond
], LIST_OR );
return;
}
if ( $selectedValues === [ 'only', 'site' ] ) {
$conds[] = $inNamespaceCond;
return;
}
if ( $selectedValues === [ 'filter' ] ) {
$conds[] = $notInNamespaceCond;
return;
}
if ( $selectedValues === [ 'only' ] ) {
$conds[] = $onlyCond;
return;
}
if ( $selectedValues === [ 'site' ] ) {
$conds[] = $siteCond;
}
}
]
);
$special->registerFilterGroup( $translationsGroup );
}
}