wikimedia/mediawiki-extensions-DonationInterface

<?php

/**
 *
 * -- License --
 * 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
 */

class FundraiserMaintenance extends UnlistedSpecialPage {

    public function __construct() {
        parent::__construct( 'FundraiserMaintenance' );
    }

    public function execute( $sub ) {
        $output = $this->getOutput();
        $this->setHeaders();

        $output->setStatusCode( 503 );

        $this->outputHeader();

        $titleMsg = $this->msg( 'donate_interface-fundraiser-maintenance-header' );
        if ( !is_callable( [ $output, 'setPageTitleMsg' ] ) ) {
            // Backward compatibility with MW < 1.41
            $output->setPageTitle( $titleMsg );
        } else {
            // MW >= 1.41
            $output->setPageTitleMsg( $titleMsg );
        }

        // Now do whatever we have to do to output the content in $outContent
        // Hide unneeded interface elements
        $output->addModules( 'donationInterface.skinOverride' );

        $email = $this->getConfig()->get( 'DonationInterfaceProblemsEmail' );
        $output->addHTML(
            "<p>" . $this->msg( 'donate_interface-fundraiser-maintenance-notice' )
                ->rawparams(
                    "<a href='mailto:$email'>$email</a>"
                ) . "<p>"
        );
    }
}