wikimedia/mediawiki-core

<?php
/**
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

namespace MediaWiki\Specials;

use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\Category\TrackingCategories;
use MediaWiki\Html\Html;
use MediaWiki\SpecialPage\SpecialPage;

/**
 * A special page that displays list of tracking categories.
 *
 * Tracking categories allow pages with certain characteristics to be tracked.
 * It works by adding any such page to a category automatically.
 * Category is specified by the tracking category's system message.
 *
 * @ingroup SpecialPage
 * @since 1.23
 */
class SpecialTrackingCategories extends SpecialPage {

    private LinkBatchFactory $linkBatchFactory;
    private TrackingCategories $trackingCategories;

    /**
     * @param LinkBatchFactory $linkBatchFactory
     * @param TrackingCategories $trackingCategories
     */
    public function __construct(
        LinkBatchFactory $linkBatchFactory,
        TrackingCategories $trackingCategories
    ) {
        parent::__construct( 'TrackingCategories' );
        $this->linkBatchFactory = $linkBatchFactory;
        $this->trackingCategories = $trackingCategories;
    }

    public function execute( $par ) {
        $this->setHeaders();
        $this->outputHeader();
        $this->addHelpLink( 'Help:Tracking categories' );
        $this->getOutput()->setPreventClickjacking( false );
        $this->getOutput()->addModuleStyles( [
            'jquery.tablesorter.styles',
            'mediawiki.pager.styles'
        ] );
        $this->getOutput()->addModules( 'jquery.tablesorter' );
        $this->getOutput()->addHTML(
            Html::openElement( 'table', [ 'class' => 'mw-datatable sortable',
                'id' => 'mw-trackingcategories-table' ] ) . "\n" .
            "<thead><tr>
            <th>" .
                $this->msg( 'trackingcategories-msg' )->escaped() . "
            </th>
            <th>" .
                $this->msg( 'trackingcategories-name' )->escaped() .
            "</th>
            <th>" .
                $this->msg( 'trackingcategories-desc' )->escaped() . "
            </th>
            </tr></thead>"
        );

        $categoryList = $this->trackingCategories->getTrackingCategories();

        $batch = $this->linkBatchFactory->newLinkBatch();
        foreach ( $categoryList as $data ) {
            $batch->addObj( $data['msg'] );
            foreach ( $data['cats'] as $catTitle ) {
                $batch->addObj( $catTitle );
            }
        }
        $batch->execute();

        $this->getHookRunner()->onSpecialTrackingCategories__preprocess( $this, $categoryList );

        $linkRenderer = $this->getLinkRenderer();

        foreach ( $categoryList as $catMsg => $data ) {
            $allMsgs = [];
            $catDesc = $catMsg . '-desc';

            $catMsgTitleText = $linkRenderer->makeLink(
                $data['msg'],
                $catMsg
            );

            foreach ( $data['cats'] as $catTitle ) {
                $html = $linkRenderer->makeLink(
                    $catTitle,
                    $catTitle->getText()
                );

                $this->getHookRunner()->onSpecialTrackingCategories__generateCatLink(
                    $this, $catTitle, $html );

                $allMsgs[] = $html;
            }

            # Extra message, when no category was found
            if ( $allMsgs === [] ) {
                $allMsgs[] = $this->msg( 'trackingcategories-disabled' )->parse();
            }

            /*
             * Show category description if it exists as a system message
             * as category-name-desc
             */
            $descMsg = $this->msg( $catDesc );
            if ( $descMsg->isBlank() ) {
                $descMsg = $this->msg( 'trackingcategories-nodesc' );
            }

            $this->getOutput()->addHTML(
                Html::openElement( 'tr' ) .
                Html::openElement( 'td', [ 'class' => 'mw-trackingcategories-name' ] ) .
                    $this->getLanguage()->commaList( array_unique( $allMsgs ) ) .
                Html::closeElement( 'td' ) .
                Html::openElement( 'td', [ 'class' => 'mw-trackingcategories-msg' ] ) .
                    $catMsgTitleText .
                Html::closeElement( 'td' ) .
                Html::openElement( 'td', [ 'class' => 'mw-trackingcategories-desc' ] ) .
                    $descMsg->parse() .
                Html::closeElement( 'td' ) .
                Html::closeElement( 'tr' )
            );
        }
        $this->getOutput()->addHTML( Html::closeElement( 'table' ) );
    }

    protected function getGroupName() {
        return 'pages';
    }
}

/**
 * Retain the old class name for backwards compatibility.
 * @deprecated since 1.41
 */
class_alias( SpecialTrackingCategories::class, 'SpecialTrackingCategories' );