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[mediawiki.git] / includes / revisiondelete / RevDelRevisionItem.php

<?php
/**
 * 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
 * @ingroup RevisionDelete
 */

use MediaWiki\Api\ApiResult;
use MediaWiki\Linker\Linker;
use MediaWiki\MediaWikiServices;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\RevisionList\RevisionListBase;
use MediaWiki\Xml\Xml;

/**
 * Item class for a live revision table row
 *
 * @property RevDelRevisionList $list
 */
class RevDelRevisionItem extends RevDelItem {
        /** @var RevisionRecord */
        public $revisionRecord;

        public function __construct( RevisionListBase $list, $row ) {
                parent::__construct( $list, $row );
                $this->revisionRecord = static::initRevisionRecord( $list, $row );
        }

        /**
         * Create RevisionRecord object from $row sourced from $list
         *
         * @param RevisionListBase $list
         * @param mixed $row
         * @return RevisionRecord
         */
        protected static function initRevisionRecord( $list, $row ) {
                return MediaWikiServices::getInstance()
                        ->getRevisionFactory()
                        ->newRevisionFromRow( $row );
        }

        /**
         * Get the RevisionRecord for the item
         *
         * @return RevisionRecord
         */
        protected function getRevisionRecord(): RevisionRecord {
                return $this->revisionRecord;
        }

        public function getIdField() {
                return 'rev_id';
        }

        public function getTimestampField() {
                return 'rev_timestamp';
        }

        public function getAuthorIdField() {
                return 'rev_user';
        }

        public function getAuthorNameField() {
                return 'rev_user_text';
        }

        public function getAuthorActorField() {
                return 'rev_actor';
        }

        public function canView() {
                return $this->getRevisionRecord()->userCan(
                        RevisionRecord::DELETED_RESTRICTED,
                        $this->list->getAuthority()
                );
        }

        public function canViewContent() {
                return $this->getRevisionRecord()->userCan(
                        RevisionRecord::DELETED_TEXT,
                        $this->list->getAuthority()
                );
        }

        public function getBits() {
                return $this->getRevisionRecord()->getVisibility();
        }

        public function setBits( $bits ) {
                $revRecord = $this->getRevisionRecord();

                $dbw = MediaWikiServices::getInstance()->getConnectionProvider()->getPrimaryDatabase();
                // Update revision table
                $dbw->newUpdateQueryBuilder()
                        ->update( 'revision' )
                        ->set( [ 'rev_deleted' => $bits ] )
                        ->where( [
                                'rev_id' => $revRecord->getId(),
                                'rev_page' => $revRecord->getPageId(),
                                'rev_deleted' => $this->getBits() // cas
                        ] )
                        ->caller( __METHOD__ )->execute();

                if ( !$dbw->affectedRows() ) {
                        // Concurrent fail!
                        return false;
                }
                // Update recentchanges table
                $dbw->newUpdateQueryBuilder()
                        ->update( 'recentchanges' )
                        ->set( [
                                'rc_deleted' => $bits,
                                'rc_patrolled' => RecentChange::PRC_AUTOPATROLLED
                        ] )
                        ->where( [ 'rc_this_oldid' => $revRecord->getId() ] )
                        ->caller( __METHOD__ )->execute();

                return true;
        }

        public function isDeleted() {
                return $this->getRevisionRecord()->isDeleted( RevisionRecord::DELETED_TEXT );
        }

        public function isHideCurrentOp( $newBits ) {
                return ( $newBits & RevisionRecord::DELETED_TEXT )
                        && $this->list->getCurrent() == $this->getId();
        }

        /**
         * Get the HTML link to the revision text.
         * Overridden by RevDelArchiveItem.
         * @return string
         */
        protected function getRevisionLink() {
                $date = $this->list->getLanguage()->userTimeAndDate(
                        $this->getRevisionRecord()->getTimestamp(),
                        $this->list->getUser()
                );

                if ( $this->isDeleted() && !$this->canViewContent() ) {
                        return htmlspecialchars( $date );
                }

                return $this->getLinkRenderer()->makeKnownLink(
                        $this->list->getPage(),
                        $date,
                        [],
                        [
                                'oldid' => $this->getRevisionRecord()->getId(),
                                'unhide' => 1
                        ]
                );
        }

        /**
         * Get the HTML link to the diff.
         * Overridden by RevDelArchiveItem
         * @return string
         */
        protected function getDiffLink() {
                if ( $this->isDeleted() && !$this->canViewContent() ) {
                        return $this->list->msg( 'diff' )->escaped();
                } else {
                        return $this->getLinkRenderer()->makeKnownLink(
                                $this->list->getPage(),
                                $this->list->msg( 'diff' )->text(),
                                [],
                                [
                                        'diff' => $this->getRevisionRecord()->getId(),
                                        'oldid' => 'prev',
                                        'unhide' => 1
                                ]
                        );
                }
        }

        /**
         * @return string A HTML <li> element representing this revision, showing
         * change tags and everything
         */
        public function getHTML() {
                $revRecord = $this->getRevisionRecord();

                $difflink = $this->list->msg( 'parentheses' )
                        ->rawParams( $this->getDiffLink() )->escaped();
                $revlink = $this->getRevisionLink();
                $userlink = Linker::revUserLink( $revRecord );
                $comment = MediaWikiServices::getInstance()->getCommentFormatter()
                        ->formatRevision( $revRecord, $this->list->getAuthority() );
                if ( $this->isDeleted() ) {
                        $class = Linker::getRevisionDeletedClass( $revRecord );
                        $revlink = "<span class=\"$class\">$revlink</span>";
                }
                $content = "$difflink $revlink $userlink $comment";
                $attribs = [];
                $tags = $this->getTags();
                if ( $tags ) {
                        [ $tagSummary, $classes ] = ChangeTags::formatSummaryRow(
                                $tags,
                                'revisiondelete',
                                $this->list->getContext()
                        );
                        $content .= " $tagSummary";
                        $attribs['class'] = implode( ' ', $classes );
                }
                return Xml::tags( 'li', $attribs, $content );
        }

        /**
         * @return string Comma-separated list of tags
         */
        public function getTags() {
                return $this->row->ts_tags;
        }

        public function getApiData( ApiResult $result ) {
                $revRecord = $this->getRevisionRecord();
                $authority = $this->list->getAuthority();
                $ret = [
                        'id' => $revRecord->getId(),
                        'timestamp' => wfTimestamp( TS_ISO_8601, $revRecord->getTimestamp() ),
                        'userhidden' => (bool)$revRecord->isDeleted( RevisionRecord::DELETED_USER ),
                        'commenthidden' => (bool)$revRecord->isDeleted( RevisionRecord::DELETED_COMMENT ),
                        'texthidden' => (bool)$revRecord->isDeleted( RevisionRecord::DELETED_TEXT ),
                ];
                if ( $revRecord->userCan( RevisionRecord::DELETED_USER, $authority ) ) {
                        $revUser = $revRecord->getUser( RevisionRecord::FOR_THIS_USER, $authority );
                        $ret += [
                                'userid' => $revUser ? $revUser->getId() : 0,
                                'user' => $revUser ? $revUser->getName() : '',
                        ];
                }
                if ( $revRecord->userCan( RevisionRecord::DELETED_COMMENT, $authority ) ) {
                        $revComment = $revRecord->getComment( RevisionRecord::FOR_THIS_USER, $authority );
                        $ret += [
                                'comment' => $revComment ? $revComment->text : ''
                        ];
                }

                return $ret;
        }
}