wikimedia/mediawiki-extensions-UploadWizard

<?php

namespace MediaWiki\Extension\UploadWizard\Specials;

use MediaWiki\Extension\UploadWizard\Campaign;
use MediaWiki\Html\Html;
use MediaWiki\SpecialPage\SpecialPage;
use Wikimedia\Rdbms\IConnectionProvider;

class SpecialCampaigns extends SpecialPage {

    /** @var \Wikimedia\Rdbms\IDatabase|\Wikimedia\Rdbms\IReadableDatabase */
    private $dbr;

    public function __construct( IConnectionProvider $dbProvider ) {
        parent::__construct( "Campaigns" );
        $this->dbr = $dbProvider->getReplicaDatabase();
    }

    /**
     * @param string|null $subPage
     */
    public function execute( $subPage ) {
        $request = $this->getRequest();

        $start = $request->getIntOrNull( 'start' );

        $limit = 50;

        $cond = [ 'campaign_enabled' => 1 ];

        if ( $start !== null ) {
            $cond[] = $this->dbr->expr( 'campaign_id', '>', $start );
        }

        $res = $this->dbr->newSelectQueryBuilder()
            ->select( [ 'campaign_id', 'campaign_name' ] )
            ->from( 'uw_campaigns' )
            ->where( $cond )
            ->limit( $limit + 1 )
            ->caller( __METHOD__ )
            ->fetchResultSet();

        $this->getOutput()->setPageTitleMsg( $this->msg( 'mwe-upload-campaigns-list-title' ) );
        $this->getOutput()->addModuleStyles( [ 'ext.uploadWizard.uploadCampaign.display' ] );
        $this->getOutput()->addHTML( '<dl>' );

        $curCount = 0;
        $lastId = null;

        foreach ( $res as $row ) {
            $curCount++;

            if ( $curCount > $limit ) {
                // We've an extra element. Paginate!
                $lastId = $row->campaign_id;
                break;
            } else {
                $campaign = Campaign::newFromName( $row->campaign_name );
                $this->getOutput()->addHTML( $this->getHtmlForCampaign( $campaign ) );
            }
        }
        $this->getOutput()->addHTML( '</dl>' );

        // Pagination links!
        if ( $lastId !== null ) {
            $this->getOutput()->addHTML( $this->getHtmlForPagination( $lastId ) );
        }
    }

    /**
     * @param Campaign $campaign
     *
     * @return string
     */
    private function getHtmlForCampaign( Campaign $campaign ) {
        $config = $campaign->getParsedConfig();
        $campaignURL = $campaign->getTitle()->getLocalURL();
        $campaignTitle = $config['title'] ?? htmlspecialchars( $campaign->getName() );
        $campaignDescription = $config['description'] ?? '';
        return Html::rawElement( 'dt', [],
                Html::rawElement( 'a', [ 'href' => $campaignURL ], $campaignTitle )
            ) . Html::rawElement( 'dd', [], $campaignDescription );
    }

    /**
     * @param int $firstId
     *
     * @return string
     */
    private function getHtmlForPagination( $firstId ) {
        $nextHref = $this->getPageTitle()->getLocalURL( [ 'start' => $firstId ] );
        return Html::rawElement( 'div',
            [ 'id' => 'mwe-upload-campaigns-pagination' ],
            Html::element( 'a',
                [ 'href' => $nextHref ],
                $this->msg( 'mwe-upload-campaigns-pagination-next' )->text()
            )
        );
    }

    /**
     * @inheritDoc
     */
    protected function getGroupName() {
        return 'media';
    }
}