SpecialEditRecovery.php

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<?php
namespace MediaWiki\Specials;
 
use MediaWiki\Html\Html;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\User\Options\UserOptionsLookup;
 
class SpecialEditRecovery extends SpecialPage {
 
    private $userOptionsLookup;
 
    public function __construct( UserOptionsLookup $userOptionsLookup ) {
        parent::__construct( 'EditRecovery' );
        $this->userOptionsLookup = $userOptionsLookup;
    }
 
    protected function getGroupName() {
        return 'changes';
    }
 
    public function execute( $subPage ) {
        parent::execute( $subPage );
        // Always add the help link, even for the error pages.
        $this->addHelpLink( 'Help:Edit_Recovery' );
 
        // Check that the user preference is enabled (the user is not necessarily logged in).
        if ( !$this->userOptionsLookup->getOption( $this->getUser(), 'editrecovery' ) ) {
            if ( !$this->getUser()->isNamed() ) {
                // Pref is not enabled, and they aren't logged in.
                $this->getOutput()->showErrorPage( 'editrecovery', 'edit-recovery-special-user-unnamed' );
            } else {
                // Pref is not enabled, but they are logged in so can enable it themselves.
                $this->getOutput()->showErrorPage( 'editrecovery', 'edit-recovery-special-user-not-enabled' );
            }
            return;
        }
 
        $this->getOutput()->addModuleStyles( 'mediawiki.special.editrecovery.styles' );
        $this->getOutput()->addModules( 'mediawiki.special.editrecovery' );
        $noJs = Html::element(
            'span',
            [ 'class' => 'error mw-EditRecovery-special-nojs-notice' ],
            $this->msg( 'edit-recovery-nojs-placeholder' )
        );
        $placeholder = Html::rawElement( 'div', [ 'class' => 'mw-EditRecovery-special' ], $noJs );
        $this->getOutput()->addHTML( $placeholder );
    }
}