rollbackEdits.php

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<?php
require_once( dirname( __FILE__ ) . '/Maintenance.php' );

class RollbackEdits extends Maintenance {
        public function __construct() {
                parent::__construct();
                $this->mDescription = "Rollback all edits by a given user or IP provided they're the most recent edit";
                $this->addOption( 'titles', 'A list of titles, none means all titles where the given user is the most recent', false, true );
                $this->addOption( 'user', 'A user or IP to rollback all edits for', true, true );
                $this->addOption( 'summary', 'Edit summary to use', false, true );
                $this->addOption( 'bot', 'Mark the edits as bot' );
        }

        public function execute() {
                $user = $this->getOption( 'user' );
                $username = User::isIP( $user ) ? $user : User::getCanonicalName( $user );
                if ( !$username ) {
                        $this->error( 'Invalid username', true );
                }

                $bot = $this->hasOption( 'bot' );
                $summary = $this->getOption( 'summary', $this->mSelf . ' mass rollback' );
                $titles = array();
                $results = array();
                if ( $this->hasOption( 'titles' ) ) {
                        foreach ( explode( '|', $this->getOption( 'titles' ) ) as $title ) {
                                $t = Title::newFromText( $title );
                                if ( !$t ) {
                                        $this->error( 'Invalid title, ' . $title );
                                } else {
                                        $titles[] = $t;
                                }
                        }
                } else {
                        $titles = $this->getRollbackTitles( $user );
                }

                if ( !$titles ) {
                        $this->output( 'No suitable titles to be rolled back' );
                        return;
                }

                $doer = User::newFromName( 'Maintenance script' );

                foreach ( $titles as $t ) {
                        $page = WikiPage::factory( $t );
                        $this->output( 'Processing ' . $t->getPrefixedText() . '... ' );
                        if ( !$page->commitRollback( $user, $summary, $bot, $results, $doer ) ) {
                                $this->output( "done\n" );
                        } else {
                                $this->output( "failed\n" );
                        }
                }
        }

        private function getRollbackTitles( $user ) {
                $dbr = wfGetDB( DB_SLAVE );
                $titles = array();
                $results = $dbr->select(
                        array( 'page', 'revision' ),
                        array( 'page_namespace', 'page_title' ),
                        array( 'page_latest = rev_id', 'rev_user_text' => $user ),
                        __METHOD__
                );
                foreach ( $results as $row ) {
                        $titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
                }
                return $titles;
        }
}

$maintClass = 'RollbackEdits';
require_once( RUN_MAINTENANCE_IF_MAIN );