SpecialDeletedContributions.php

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<?php
use MediaWiki\MediaWikiServices;

class DeletedContributionsPage extends SpecialPage {
    protected $mOpts;

    function __construct() {
        parent::__construct( 'DeletedContributions', 'deletedhistory' );
    }

    function execute( $par ) {
        $this->setHeaders();
        $this->outputHeader();
        $this->checkPermissions();

        $user = $this->getUser();

        $out = $this->getOutput();
        $out->setPageTitle( $this->msg( 'deletedcontributions-title' ) );

        $opts = new FormOptions();

        $opts->add( 'target', '' );
        $opts->add( 'namespace', '' );
        $opts->add( 'limit', 20 );

        $opts->fetchValuesFromRequest( $this->getRequest() );
        $opts->validateIntBounds( 'limit', 0, $this->getConfig()->get( 'QueryPageDefaultLimit' ) );

        if ( $par !== null ) {
            // Beautify the username
            $par = User::getCanonicalName( $par, false );
            $opts->setValue( 'target', (string)$par );
        }

        $ns = $opts->getValue( 'namespace' );
        if ( $ns !== null && $ns !== '' ) {
            $opts->setValue( 'namespace', intval( $ns ) );
        }

        $this->mOpts = $opts;

        $target = trim( $opts->getValue( 'target' ) );
        if ( !strlen( $target ) ) {
            $this->getForm();

            return;
        }

        $userObj = User::newFromName( $target, false );
        if ( !$userObj ) {
            $this->getForm();

            return;
        }
        $this->getSkin()->setRelevantUser( $userObj );

        $target = $userObj->getName();
        $out->addSubtitle( $this->getSubTitle( $userObj ) );

        $this->getForm();

        $pager = new DeletedContribsPager( $this->getContext(), $target, $opts->getValue( 'namespace' ) );
        if ( !$pager->getNumRows() ) {
            $out->addWikiMsg( 'nocontribs' );

            return;
        }

        # Show a message about replica DB lag, if applicable
        $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
        $lag = $lb->safeGetLag( $pager->getDatabase() );
        if ( $lag > 0 ) {
            $out->showLagWarning( $lag );
        }

        $out->addHTML(
            '<p>' . $pager->getNavigationBar() . '</p>' .
                $pager->getBody() .
                '<p>' . $pager->getNavigationBar() . '</p>' );

        # If there were contributions, and it was a valid user or IP, show
        # the appropriate "footer" message - WHOIS tools, etc.
        if ( $target != 'newbies' ) {
            $message = IP::isIPAddress( $target ) ?
                'sp-contributions-footer-anon' :
                'sp-contributions-footer';

            if ( !$this->msg( $message )->isDisabled() ) {
                $out->wrapWikiMsg(
                    "<div class='mw-contributions-footer'>\n$1\n</div>",
                    [ $message, $target ]
                );
            }
        }
    }

    function getSubTitle( $userObj ) {
        $linkRenderer = $this->getLinkRenderer();
        if ( $userObj->isAnon() ) {
            $user = htmlspecialchars( $userObj->getName() );
        } else {
            $user = $linkRenderer->makeLink( $userObj->getUserPage(), $userObj->getName() );
        }
        $links = '';
        $nt = $userObj->getUserPage();
        $talk = $nt->getTalkPage();
        if ( $talk ) {
            $tools = SpecialContributions::getUserLinks( $this, $userObj );

            $contributionsLink = $linkRenderer->makeKnownLink(
                SpecialPage::getTitleFor( 'Contributions', $nt->getDBkey() ),
                $this->msg( 'sp-deletedcontributions-contribs' )->text()
            );
            if ( isset( $tools['deletedcontribs'] ) ) {
                // Swap out the deletedcontribs link for our contribs one
                $tools = wfArrayInsertAfter(
                    $tools, [ 'contribs' => $contributionsLink ], 'deletedcontribs' );
                unset( $tools['deletedcontribs'] );
            } else {
                $tools['contribs'] = $contributionsLink;
            }

            $links = $this->getLanguage()->pipeList( $tools );

            // Show a note if the user is blocked and display the last block log entry.
            $block = Block::newFromTarget( $userObj, $userObj );
            if ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
                if ( $block->getType() == Block::TYPE_RANGE ) {
                    $nt = MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget();
                }

                // LogEventsList::showLogExtract() wants the first parameter by ref
                $out = $this->getOutput();
                LogEventsList::showLogExtract(
                    $out,
                    'block',
                    $nt,
                    '',
                    [
                        'lim' => 1,
                        'showIfEmpty' => false,
                        'msgKey' => [
                            'sp-contributions-blocked-notice',
                            $userObj->getName() # Support GENDER in 'sp-contributions-blocked-notice'
                        ],
                        'offset' => '' # don't use $this->getRequest() parameter offset
                    ]
                );
            }
        }

        return $this->msg( 'contribsub2' )->rawParams( $user, $links )->params( $userObj->getName() );
    }

    function getForm() {
        $opts = $this->mOpts;

        $formDescriptor = [
            'target' => [
                'type' => 'user',
                'name' => 'target',
                'label-message' => 'sp-contributions-username',
                'default' => $opts->getValue( 'target' ),
                'ipallowed' => true,
            ],

            'namespace' => [
                'type' => 'namespaceselect',
                'name' => 'namespace',
                'label-message' => 'namespace',
                'all' => '',
            ],
        ];

        HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() )
            ->setWrapperLegendMsg( 'sp-contributions-search' )
            ->setSubmitTextMsg( 'sp-contributions-submit' )
            // prevent setting subpage and 'target' parameter at the same time
            ->setAction( $this->getPageTitle()->getLocalURL() )
            ->setMethod( 'get' )
            ->prepareForm()
            ->displayForm( false );
    }

    public function prefixSearchSubpages( $search, $limit, $offset ) {
        $user = User::newFromName( $search );
        if ( !$user ) {
            // No prefix suggestion for invalid user
            return [];
        }
        // Autocomplete subpage as user list - public to allow caching
        return UserNamePrefixSearch::search( 'public', $search, $limit, $offset );
    }

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