+global\MovePage::move()

Complexity

Conditions	14
Paths	217

Size

Total Lines	184
Code Lines	123

Duplication

Lines	7
Ratio	3.8 %

Importance

Changes

0

<?php
	public function move( User $user, $reason, $createRedirect ) {
		global $wgCategoryCollation;

		Hooks::run( 'TitleMove', [ $this->oldTitle, $this->newTitle, $user ] );

		// If it is a file, move it first.
		// It is done before all other moving stuff is done because it's hard to revert.
		$dbw = wfGetDB( DB_MASTER );
		if ( $this->oldTitle->getNamespace() == NS_FILE ) {
			$file = wfLocalFile( $this->oldTitle );
			$file->load( File::READ_LATEST );
			if ( $file->exists() ) {
				$status = $file->move( $this->newTitle );
				if ( !$status->isOK() ) {
					return $status;
				}
			}
			// Clear RepoGroup process cache
			RepoGroup::singleton()->clearCache( $this->oldTitle );
			RepoGroup::singleton()->clearCache( $this->newTitle ); # clear false negative cache
		}

		$dbw->startAtomic( __METHOD__ );

		Hooks::run( 'TitleMoveStarting', [ $this->oldTitle, $this->newTitle, $user ] );

		$pageid = $this->oldTitle->getArticleID( Title::GAID_FOR_UPDATE );
		$protected = $this->oldTitle->isProtected();

		// Do the actual move; if this fails, it will throw an MWException(!)
		$nullRevision = $this->moveToInternal( $user, $this->newTitle, $reason, $createRedirect );

		// Refresh the sortkey for this row.  Be careful to avoid resetting
		// cl_timestamp, which may disturb time-based lists on some sites.
		// @todo This block should be killed, it's duplicating code
		// from LinksUpdate::getCategoryInsertions() and friends.
		$prefixes = $dbw->select(
			'categorylinks',
			[ 'cl_sortkey_prefix', 'cl_to' ],
			[ 'cl_from' => $pageid ],
			__METHOD__
		);
		if ( $this->newTitle->getNamespace() == NS_CATEGORY ) {
			$type = 'subcat';
		} elseif ( $this->newTitle->getNamespace() == NS_FILE ) {
			$type = 'file';
		} else {
			$type = 'page';
		}
		foreach ( $prefixes as $prefixRow ) {
			$prefix = $prefixRow->cl_sortkey_prefix;
			$catTo = $prefixRow->cl_to;
			$dbw->update( 'categorylinks',
				[
					'cl_sortkey' => Collation::singleton()->getSortKey(
							$this->newTitle->getCategorySortkey( $prefix ) ),
					'cl_collation' => $wgCategoryCollation,
					'cl_type' => $type,
					'cl_timestamp=cl_timestamp' ],
				[
					'cl_from' => $pageid,
					'cl_to' => $catTo ],
				__METHOD__
			);
		}

		$redirid = $this->oldTitle->getArticleID();

		if ( $protected ) {
			# Protect the redirect title as the title used to be...
			$res = $dbw->select(
				'page_restrictions',
				'*',
				[ 'pr_page' => $pageid ],
				__METHOD__,
				'FOR UPDATE'
			);
			$rowsInsert = [];
			foreach ( $res as $row ) {
				$rowsInsert[] = [
					'pr_page' => $redirid,
					'pr_type' => $row->pr_type,
					'pr_level' => $row->pr_level,
					'pr_cascade' => $row->pr_cascade,
					'pr_user' => $row->pr_user,
					'pr_expiry' => $row->pr_expiry
				];
			}
			$dbw->insert( 'page_restrictions', $rowsInsert, __METHOD__, [ 'IGNORE' ] );

			// Build comment for log
			$comment = wfMessage(
				'prot_1movedto2',
				$this->oldTitle->getPrefixedText(),
				$this->newTitle->getPrefixedText()
			)->inContentLanguage()->text();
			if ( $reason ) {
				$comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
			}

			// reread inserted pr_ids for log relation
			$insertedPrIds = $dbw->select(
				'page_restrictions',
				'pr_id',
				[ 'pr_page' => $redirid ],
				__METHOD__
			);
			$logRelationsValues = [];
			foreach ( $insertedPrIds as $prid ) {
				$logRelationsValues[] = $prid->pr_id;
			}

			// Update the protection log
			$logEntry = new ManualLogEntry( 'protect', 'move_prot' );
			$logEntry->setTarget( $this->newTitle );
			$logEntry->setComment( $comment );
			$logEntry->setPerformer( $user );
			$logEntry->setParameters( [
				'4::oldtitle' => $this->oldTitle->getPrefixedText(),
			] );
			$logEntry->setRelations( [ 'pr_id' => $logRelationsValues ] );
			$logId = $logEntry->insert();
			$logEntry->publish( $logId );
		}

		// Update *_from_namespace fields as needed
		if ( $this->oldTitle->getNamespace() != $this->newTitle->getNamespace() ) {
			$dbw->update( 'pagelinks',
				[ 'pl_from_namespace' => $this->newTitle->getNamespace() ],
				[ 'pl_from' => $pageid ],
				__METHOD__
			);
			$dbw->update( 'templatelinks',
				[ 'tl_from_namespace' => $this->newTitle->getNamespace() ],
				[ 'tl_from' => $pageid ],
				__METHOD__
			);
			$dbw->update( 'imagelinks',
				[ 'il_from_namespace' => $this->newTitle->getNamespace() ],
				[ 'il_from' => $pageid ],
				__METHOD__
			);
		}

		# Update watchlists
		$oldtitle = $this->oldTitle->getDBkey();
		$newtitle = $this->newTitle->getDBkey();
		$oldsnamespace = MWNamespace::getSubject( $this->oldTitle->getNamespace() );
		$newsnamespace = MWNamespace::getSubject( $this->newTitle->getNamespace() );
		if ( $oldsnamespace != $newsnamespace || $oldtitle != $newtitle ) {
			$store = MediaWikiServices::getInstance()->getWatchedItemStore();
			$store->duplicateAllAssociatedEntries( $this->oldTitle, $this->newTitle );
		}

		Hooks::run(
			'TitleMoveCompleting',
			[ $this->oldTitle, $this->newTitle,
				$user, $pageid, $redirid, $reason, $nullRevision ]
		);

		$dbw->endAtomic( __METHOD__ );

		$params = [
			&$this->oldTitle,
			&$this->newTitle,
			&$user,
			$pageid,
			$redirid,
			$reason,
			$nullRevision
		];
		// Keep each single hook handler atomic
		DeferredUpdates::addUpdate(
			new AtomicSectionUpdate(
				$dbw,

It seems like $dbw defined by wfGetDB(DB_MASTER) on line 245 can be null; however, AtomicSectionUpdate::__construct() does not accept null, maybe add an additional type check?

				__METHOD__,
				function () use ( $params ) {
					Hooks::run( 'TitleMoveComplete', $params );
				}
			)
		);

		return Status::newGood();
	}