InterwikiSearchResultSetWidget.php

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<?php

namespace MediaWiki\Widget\Search;

use MediaWiki\Interwiki\InterwikiLookup;
use MediaWiki\Linker\LinkRenderer;
use SearchResultSet;
use SpecialSearch;
use Title;
use Html;
use OOUI;

class InterwikiSearchResultSetWidget implements SearchResultSetWidget {
    protected $specialSearch;
    protected $resultWidget;
    protected $customCaptions;
    protected $linkRenderer;
    protected $iwLookup;
    protected $output;
    protected $showMultimedia;

    public function __construct(
        SpecialSearch $specialSearch,
        SearchResultWidget $resultWidget,
        LinkRenderer $linkRenderer,
        InterwikiLookup $iwLookup,
        $showMultimedia = false
    ) {
        $this->specialSearch = $specialSearch;
        $this->resultWidget = $resultWidget;
        $this->linkRenderer = $linkRenderer;
        $this->iwLookup = $iwLookup;
        $this->output = $specialSearch->getOutput();
        $this->showMultimedia = $showMultimedia;
    }

    public function render( $term, $resultSets ) {
        if ( !is_array( $resultSets ) ) {
            $resultSets = [ $resultSets ];
        }

        $this->loadCustomCaptions();

        if ( $this->showMultimedia ) {
            $this->output->addModules( 'mediawiki.special.search.commonsInterwikiWidget' );
        }
        $this->output->addModuleStyles( 'mediawiki.special.search.interwikiwidget.styles' );

        $iwResults = [];
        foreach ( $resultSets as $resultSet ) {
            foreach ( $resultSet as $result ) {
                if ( !$result->isBrokenTitle() ) {
                    $iwResults[$result->getTitle()->getInterwiki()][] = $result;
                }
            }
        }

        $iwResultSetPos = 1;
        $iwResultListOutput = '';

        foreach ( $iwResults as $iwPrefix => $results ) {
            // TODO: Assumes interwiki results are never paginated
            $position = 0;
            $iwResultItemOutput = '';

            foreach ( $results as $result ) {
                $iwResultItemOutput .= $this->resultWidget->render( $result, $term, $position++ );
            }

            $footerHtml = $this->footerHtml( $term, $iwPrefix );
            $iwResultListOutput .= Html::rawElement( 'li',
                [
                    'class' => 'iw-resultset',
                    'data-iw-resultset-pos' => $iwResultSetPos,
                    'data-iw-resultset-source' => $iwPrefix
                ],

                $iwResultItemOutput .
                $footerHtml
            );

            $iwResultSetPos++;
        }

        return Html::rawElement(
            'div',
            [ 'id' => 'mw-interwiki-results' ],
            Html::rawElement(
                'p',
                [ 'class' => 'iw-headline' ],
                $this->specialSearch->msg( 'search-interwiki-caption' )->parse()
            ) .
            Html::rawElement(
                'ul', [ 'class' => 'iw-results', ], $iwResultListOutput
            )
        );
    }

    protected function footerHtml( $term, $iwPrefix ) {
        $href = Title::makeTitle( NS_SPECIAL, 'Search', null, $iwPrefix )->getLocalURL(
            [ 'search' => $term, 'fulltext' => 1 ]
        );

        $interwiki = $this->iwLookup->fetch( $iwPrefix );
        $parsed = wfParseUrl( wfExpandUrl( $interwiki ? $interwiki->getURL() : '/' ) );

        $caption = $this->customCaptions[$iwPrefix] ??
            $this->specialSearch->msg( 'search-interwiki-default', $parsed['host'] )->escaped();

        $searchLink = Html::rawElement( 'em', null,
            Html::rawElement( 'a', [ 'href' => $href, 'target' => '_blank' ], $caption )
        );

        return Html::rawElement( 'div',
            [ 'class' => 'iw-result__footer' ],
            $this->iwIcon( $iwPrefix ) . $searchLink );
    }

    protected function loadCustomCaptions() {
        if ( $this->customCaptions !== null ) {
            return;
        }

        $this->customCaptions = [];
        $customLines = explode( "\n", $this->specialSearch->msg( 'search-interwiki-custom' )->escaped() );
        foreach ( $customLines as $line ) {
            $parts = explode( ':', $line, 2 );
            if ( count( $parts ) === 2 ) {
                $this->customCaptions[$parts[0]] = $parts[1];
            }
        }
    }

    protected function iwIcon( $iwPrefix ) {
        $interwiki = $this->iwLookup->fetch( $iwPrefix );
        $parsed = wfParseUrl( wfExpandUrl( $interwiki ? $interwiki->getURL() : '/' ) );

        $iwIconUrl = $parsed['scheme'] .
            $parsed['delimiter'] .
            $parsed['host'] .
            ( isset( $parsed['port'] ) ? ':' . $parsed['port'] : '' ) .
            '/favicon.ico';

        $iwIcon = new OOUI\IconWidget( [
            'icon' => 'favicon'
         ] );

         $iwIcon->setAttributes( [ 'style' => "background-image:url($iwIconUrl);" ] );

        return $iwIcon;
    }
}