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<?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
*/
namespace MediaWiki\Storage;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Status\Status;
/**
* Status object representing the outcome of a page update.
*
* @see PageUpdater
*
* @since 1.40
* @ingroup Page
* @author Daniel Kinzler
*/
class PageUpdateStatus extends Status {
/**
* @internal for use by PageUpdater only
* @param bool $newPage
*
* @return PageUpdateStatus
*/
public static function newEmpty( bool $newPage ): PageUpdateStatus {
return static::newGood( [
'new' => $newPage,
'revision-record' => null
] );
}
/**
* @internal for use by PageUpdater only
* @param RevisionRecord $rev
*/
public function setNewRevision( RevisionRecord $rev ) {
$this->value['revision-record'] = $rev;
}
/**
* The revision created by PageUpdater::saveRevision().
*
* Will return null if no revision was created because there was an error,
* or because the content didn't change (null edit or derived slot update).
*
* Call isOK() to distinguish these cases.
*
* @return ?RevisionRecord
*/
public function getNewRevision(): ?RevisionRecord {
if ( !$this->isOK() ) {
return null;
}
return $this->value['revision-record'] ?? null;
}
/**
* Whether the update created a revision.
* If this returns false even though isOK() returns true, this means that
* no new revision was created because the content didn't change,
* including updates to derived slots.
*
* @return bool
*/
public function wasRevisionCreated(): bool {
return $this->getNewRevision() !== null;
}
/**
* Whether the update created the page.
* @return bool
*/
public function wasPageCreated(): bool {
return $this->wasRevisionCreated()
&& ( $this->value['new'] ?? false );
}
/**
* Whether the update failed because page creation was required, but the page already exists.
* @return bool
*/
public function failedBecausePageExists(): bool {
return !$this->isOK() && $this->hasMessage( 'edit-already-exists' );
}
/**
* Whether the update failed because page modification was required, but the page does not exist.
* @return bool
*/
public function failedBecausePageMissing(): bool {
return !$this->isOK() && $this->hasMessage( 'edit-gone-missing' );
}
/**
* Whether the update failed because a conflicting update happened concurrently.
* @return bool
*/
public function failedBecauseOfConflict(): bool {
return !$this->isOK() && $this->hasMessage( 'edit-conflict' );
}
}
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