RevisionArchiveRecord.php

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<?php
namespace MediaWiki\Storage;
 
use CommentStoreComment;
use MediaWiki\User\UserIdentity;
use Title;
use User;
use Wikimedia\Assert\Assert;
 
class RevisionArchiveRecord extends RevisionRecord {
 
    protected $mArchiveId;
 
    function __construct(
        Title $title,
        UserIdentity $user,
        CommentStoreComment $comment,
        $row,
        RevisionSlots $slots,
        $wikiId = false
    ) {
        parent::__construct( $title, $slots, $wikiId );
        Assert::parameterType( 'object', $row, '$row' );
 
        $timestamp = wfTimestamp( TS_MW, $row->ar_timestamp );
        Assert::parameter( is_string( $timestamp ), '$row->rev_timestamp', 'must be a valid timestamp' );
 
        $this->mArchiveId = intval( $row->ar_id );
 
        // NOTE: ar_page_id may be different from $this->mTitle->getArticleID() in some cases,
        // notably when a partially restored page has been moved, and a new page has been created
        // with the same title. Archive rows for that title will then have the wrong page id.
        $this->mPageId = isset( $row->ar_page_id ) ? intval( $row->ar_page_id ) : $title->getArticleID();
 
        // NOTE: ar_parent_id = 0 indicates that there is no parent revision, while null
        // indicates that the parent revision is unknown. As per MW 1.31, the database schema
        // allows ar_parent_id to be NULL.
        $this->mParentId = isset( $row->ar_parent_id ) ? intval( $row->ar_parent_id ) : null;
        $this->mId = isset( $row->ar_rev_id ) ? intval( $row->ar_rev_id ) : null;
        $this->mComment = $comment;
        $this->mUser = $user;
        $this->mTimestamp = $timestamp;
        $this->mMinorEdit = boolval( $row->ar_minor_edit );
        $this->mDeleted = intval( $row->ar_deleted );
        $this->mSize = isset( $row->ar_len ) ? intval( $row->ar_len ) : null;
        $this->mSha1 = !empty( $row->ar_sha1 ) ? $row->ar_sha1 : null;
    }
 
    public function getArchiveId() {
        return $this->mArchiveId;
    }
 
    public function getId() {
        // overwritten just to refine the contract specification.
        return parent::getId();
    }
 
    public function getSize() {
        // If length is null, calculate and remember it (potentially SLOW!).
        // This is for compatibility with old database rows that don't have the field set.
        if ( $this->mSize === null ) {
            $this->mSize = $this->mSlots->computeSize();
        }
 
        return $this->mSize;
    }
 
    public function getSha1() {
        // If hash is null, calculate it and remember (potentially SLOW!)
        // This is for compatibility with old database rows that don't have the field set.
        if ( $this->mSha1 === null ) {
            $this->mSha1 = $this->mSlots->computeSha1();
        }
 
        return $this->mSha1;
    }
 
    public function getUser( $audience = self::FOR_PUBLIC, User $user = null ) {
        // overwritten just to add a guarantee to the contract
        return parent::getUser( $audience, $user );
    }
 
    public function getComment( $audience = self::FOR_PUBLIC, User $user = null ) {
        // overwritten just to add a guarantee to the contract
        return parent::getComment( $audience, $user );
    }
 
    public function getTimestamp() {
        // overwritten just to add a guarantee to the contract
        return parent::getTimestamp();
    }
 
}