NewFilesPager.php

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<?php
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\Linker\LinkRenderer;
use MediaWiki\Permissions\GroupPermissionsLookup;
use Wikimedia\Rdbms\ILoadBalancer;
 
class NewFilesPager extends RangeChronologicalPager {
 
    protected $gallery;
 
    protected $opts;
 
    private $groupPermissionsLookup;
 
    private $linkBatchFactory;
 
    public function __construct(
        IContextSource $context,
        GroupPermissionsLookup $groupPermissionsLookup,
        LinkBatchFactory $linkBatchFactory,
        LinkRenderer $linkRenderer,
        ILoadBalancer $loadBalancer,
        FormOptions $opts
    ) {
        // Set database before parent constructor to avoid setting it there with wfGetDB
        $this->mDb = $loadBalancer->getConnectionRef( ILoadBalancer::DB_REPLICA );
 
        parent::__construct( $context, $linkRenderer );
 
        $this->opts = $opts;
        $this->groupPermissionsLookup = $groupPermissionsLookup;
        $this->linkBatchFactory = $linkBatchFactory;
        $this->setLimit( $opts->getValue( 'limit' ) );
 
        $startTimestamp = '';
        $endTimestamp = '';
        if ( $opts->getValue( 'start' ) ) {
            $startTimestamp = $opts->getValue( 'start' ) . ' 00:00:00';
        }
        if ( $opts->getValue( 'end' ) ) {
            $endTimestamp = $opts->getValue( 'end' ) . ' 23:59:59';
        }
        $this->getDateRangeCond( $startTimestamp, $endTimestamp );
    }
 
    public function getQueryInfo() {
        $opts = $this->opts;
        $conds = [];
        $dbr = $this->getDatabase();
        $tables = [ 'image', 'actor' ];
        $fields = [ 'img_name', 'img_timestamp', 'actor_user', 'actor_name' ];
        $options = [];
        $jconds = [ 'actor' => [ 'JOIN', 'actor_id=img_actor' ] ];
 
        $user = $opts->getValue( 'user' );
        if ( $user !== '' ) {
            $conds['actor_name'] = $user;
        }
 
        if ( !$opts->getValue( 'showbots' ) ) {
            $groupsWithBotPermission = $this->groupPermissionsLookup->getGroupsWithPermission( 'bot' );
 
            if ( count( $groupsWithBotPermission ) ) {
                $tables[] = 'user_groups';
                $conds[] = 'ug_group IS NULL';
                $jconds['user_groups'] = [
                    'LEFT JOIN',
                    [
                        'ug_group' => $groupsWithBotPermission,
                        'ug_user = actor_user',
                        'ug_expiry IS NULL OR ug_expiry >= ' . $dbr->addQuotes( $dbr->timestamp() )
                    ]
                ];
            }
        }
 
        if ( $opts->getValue( 'hidepatrolled' ) ) {
            $tables[] = 'recentchanges';
            $conds['rc_type'] = RC_LOG;
            $conds['rc_log_type'] = 'upload';
            $conds['rc_patrolled'] = RecentChange::PRC_UNPATROLLED;
            $conds['rc_namespace'] = NS_FILE;
 
            $jconds['recentchanges'] = [
                'JOIN',
                [
                    'rc_title = img_name',
                    'rc_actor = img_actor',
                    'rc_timestamp = img_timestamp'
                ]
            ];
        }
 
        if ( $opts->getValue( 'mediatype' ) ) {
            $conds['img_media_type'] = $opts->getValue( 'mediatype' );
        }
 
        // We're ordering by img_timestamp, but MariaDB sometimes likes to query other tables first
        // and filesort the result set later.
        // See T124205 / https://mariadb.atlassian.net/browse/MDEV-8880, and T244533
        // Twist: This would cause issues if the user is set and we need to check user existence first
        if ( $user === '' ) {
            $options[] = 'STRAIGHT_JOIN';
        }
 
        $query = [
            'tables' => $tables,
            'fields' => $fields,
            'join_conds' => $jconds,
            'conds' => $conds,
            'options' => $options,
        ];
 
        return $query;
    }
 
    public function getIndexField() {
        return 'img_timestamp';
    }
 
    protected function getStartBody() {
        if ( !$this->gallery ) {
            // Note that null for mode is taken to mean use default.
            $mode = $this->getRequest()->getVal( 'gallerymode', null );
            try {
                $this->gallery = ImageGalleryBase::factory( $mode, $this->getContext() );
            } catch ( ImageGalleryClassNotFoundException $e ) {
                // User specified something invalid, fallback to default.
                $this->gallery = ImageGalleryBase::factory( false, $this->getContext() );
            }
        }
 
        return '';
    }
 
    protected function getEndBody() {
        return $this->gallery->toHTML();
    }
 
    protected function doBatchLookups() {
        $this->mResult->seek( 0 );
        $lb = $this->linkBatchFactory->newLinkBatch();
        foreach ( $this->mResult as $row ) {
            if ( $row->actor_user ) {
                $lb->add( NS_USER, $row->actor_name );
            }
        }
        $lb->execute();
    }
 
    public function formatRow( $row ) {
        $username = $row->actor_name;
 
        if ( ExternalUserNames::isExternal( $username ) ) {
            $ul = htmlspecialchars( $username );
        } else {
            $ul = $this->getLinkRenderer()->makeLink(
                new TitleValue( NS_USER, $username ),
                $username
            );
        }
        $time = $this->getLanguage()->userTimeAndDate( $row->img_timestamp, $this->getUser() );
 
        $this->gallery->add(
            Title::makeTitle( NS_FILE, $row->img_name ),
            "$ul<br />\n<i>"
                . htmlspecialchars( $time )
                . "</i><br />\n",
            '',
            '',
            [],
            ImageGalleryBase::LOADING_LAZY
        );
 
        return '';
    }
}