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RevisionStoreRecord.php
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RevisionStoreRecord.php
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<?php
/**
* A RevisionRecord representing an existing revision persisted in the revision table.
*
* 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
*/
namespace MediaWiki\Revision;
use InvalidArgumentException;
use MediaWiki\CommentStore\CommentStoreComment;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Permissions\Authority;
use MediaWiki\User\UserIdentity;
use MediaWiki\Utils\MWTimestamp;
/**
* A RevisionRecord representing an existing revision persisted in the revision table.
* RevisionStoreRecord has no optional fields, getters will never return null.
*
* @since 1.31
* @since 1.32 Renamed from MediaWiki\Storage\RevisionStoreRecord
*/
class RevisionStoreRecord extends RevisionRecord {
/** @var bool */
protected $mCurrent = false;
/**
* @note Avoid calling this constructor directly. Use the appropriate methods
* in RevisionStore instead.
*
* @param PageIdentity $page The page this RevisionRecord is associated with.
* @param UserIdentity $user
* @param CommentStoreComment $comment
* @param \stdClass $row A row from the revision table. Use RevisionStore::getQueryInfo() to build
* a query that yields the required fields.
* @param RevisionSlots $slots The slots of this revision.
* @param false|string $wikiId Relevant wiki id or self::LOCAL for the current one.
*/
public function __construct(
PageIdentity $page,
UserIdentity $user,
CommentStoreComment $comment,
\stdClass $row,
RevisionSlots $slots,
$wikiId = self::LOCAL
) {
parent::__construct( $page, $slots, $wikiId );
$this->mId = intval( $row->rev_id );
$this->mPageId = intval( $row->rev_page );
$this->mComment = $comment;
// Don't use MWTimestamp::convert, instead let any detailed exception from MWTimestamp
// bubble up (T254210)
$timestamp = ( new MWTimestamp( $row->rev_timestamp ) )->getTimestamp( TS_MW );
$this->mUser = $user;
$this->mMinorEdit = (bool)$row->rev_minor_edit;
$this->mTimestamp = $timestamp;
$this->mDeleted = intval( $row->rev_deleted );
// NOTE: rev_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 rev_parent_id to be NULL.
$this->mParentId = isset( $row->rev_parent_id ) ? intval( $row->rev_parent_id ) : null;
$this->mSize = isset( $row->rev_len ) ? intval( $row->rev_len ) : null;
$this->mSha1 = !empty( $row->rev_sha1 ) ? $row->rev_sha1 : null;
// NOTE: we must not call $this->mTitle->getLatestRevID() here, since the state of
// page_latest may be in limbo during revision creation. In that case, calling
// $this->mTitle->getLatestRevID() would cause a bad value to be cached in the Title
// object. During page creation, that bad value would be 0.
if ( isset( $row->page_latest ) ) {
$this->mCurrent = ( $row->rev_id == $row->page_latest );
}
$pageIdBasedOnPage = $this->getArticleId( $this->mPage );
if ( $this->mPageId && $pageIdBasedOnPage && $this->mPageId !== $pageIdBasedOnPage ) {
throw new InvalidArgumentException(
'The given page (' . $this->mPage . ')' .
' does not belong to page ID ' . $this->mPageId .
' but actually belongs to ' . $this->getArticleId( $this->mPage )
);
}
}
/**
* @inheritDoc
*/
public function isCurrent() {
return $this->mCurrent;
}
/**
* MCR migration note: this replaced Revision::isDeleted
*
* @param int $field One of DELETED_* bitfield constants
*
* @return bool
*/
public function isDeleted( $field ) {
if ( $this->isCurrent() && $field === self::DELETED_TEXT ) {
// Current revisions of pages cannot have the content hidden. Skipping this
// check is very useful for Parser as it fetches templates using newKnownCurrent().
// Calling getVisibility() in that case triggers a verification database query.
return false; // no need to check
}
return parent::isDeleted( $field );
}
public function userCan( $field, Authority $performer ) {
if ( $this->isCurrent() && $field === self::DELETED_TEXT ) {
// Current revisions of pages cannot have the content hidden. Skipping this
// check is very useful for Parser as it fetches templates using newKnownCurrent().
// Calling getVisibility() in that case triggers a verification database query.
return true; // no need to check
}
return parent::userCan( $field, $performer );
}
/**
* @param string|false $wikiId The wiki ID expected by the caller.
* @return int|null The revision id, never null.
*/
public function getId( $wikiId = self::LOCAL ) {
// overwritten just to add a guarantee to the contract
return parent::getId( $wikiId );
}
/**
* @throws RevisionAccessException if the size was unknown and could not be calculated.
* @return int The nominal revision size, never null. May be computed on the fly.
*/
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.
$this->mSize ??= $this->mSlots->computeSize();
return $this->mSize;
}
/**
* @throws RevisionAccessException if the hash was unknown and could not be calculated.
* @return string The revision hash, never null. May be computed on the fly.
*/
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.
$this->mSha1 ??= $this->mSlots->computeSha1();
return $this->mSha1;
}
/**
* @param int $audience
* @param Authority|null $performer
*
* @return UserIdentity The identity of the revision author, null if access is forbidden.
*/
public function getUser( $audience = self::FOR_PUBLIC, ?Authority $performer = null ) {
// overwritten just to add a guarantee to the contract
return parent::getUser( $audience, $performer );
}
/**
* @param int $audience
* @param Authority|null $performer
*
* @return CommentStoreComment The revision comment, null if access is forbidden.
*/
public function getComment( $audience = self::FOR_PUBLIC, ?Authority $performer = null ) {
// overwritten just to add a guarantee to the contract
return parent::getComment( $audience, $performer );
}
/**
* @return string timestamp, never null
*/
public function getTimestamp() {
// overwritten just to add a guarantee to the contract
return parent::getTimestamp();
}
/**
* @see RevisionStore::isComplete
*
* @return bool always true.
*/
public function isReadyForInsertion() {
return true;
}
}

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Aug 18 2026, 02:20 (9 w, 2 d ago)
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RevisionStoreRecord.php (7 KB)

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