343 lines
No EOL
11 KiB
PHP
343 lines
No EOL
11 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* Handles the backend logic of moving a page from one title
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* to another.
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*
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* @since 1.24
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*/
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class MovePage {
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/**
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* @var Title
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*/
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protected $oldTitle;
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/**
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* @var Title
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*/
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protected $newTitle;
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public function __construct( Title $oldTitle, Title $newTitle ) {
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$this->oldTitle = $oldTitle;
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$this->newTitle = $newTitle;
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}
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/**
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* @param User $user
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* @param string $reason
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* @param bool $createRedirect
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* @return Status
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*/
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public function move( User $user, $reason, $createRedirect ) {
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global $wgCategoryCollation;
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// If it is a file, move it first.
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// It is done before all other moving stuff is done because it's hard to revert.
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$dbw = wfGetDB( DB_MASTER );
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if ( $this->oldTitle->getNamespace() == NS_FILE ) {
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$file = wfLocalFile( $this->oldTitle );
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if ( $file->exists() ) {
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$status = $file->move( $this->newTitle );
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if ( !$status->isOk() ) {
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return $status;
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}
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}
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// Clear RepoGroup process cache
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RepoGroup::singleton()->clearCache( $this->oldTitle );
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RepoGroup::singleton()->clearCache( $this->newTitle ); # clear false negative cache
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}
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$dbw->begin( __METHOD__ ); # If $file was a LocalFile, its transaction would have closed our own.
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$pageid = $this->oldTitle->getArticleID( Title::GAID_FOR_UPDATE );
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$protected = $this->oldTitle->isProtected();
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// Do the actual move
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$this->moveToInternal( $user, $this->newTitle, $reason, $createRedirect );
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// Refresh the sortkey for this row. Be careful to avoid resetting
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// cl_timestamp, which may disturb time-based lists on some sites.
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// @todo This block should be killed, it's duplicating code
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// from LinksUpdate::getCategoryInsertions() and friends.
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$prefixes = $dbw->select(
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'categorylinks',
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array( 'cl_sortkey_prefix', 'cl_to' ),
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array( 'cl_from' => $pageid ),
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__METHOD__
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);
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if ( $this->newTitle->getNamespace() == NS_CATEGORY ) {
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$type = 'subcat';
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} elseif ( $this->newTitle->getNamespace() == NS_FILE ) {
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$type = 'file';
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} else {
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$type = 'page';
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}
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foreach ( $prefixes as $prefixRow ) {
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$prefix = $prefixRow->cl_sortkey_prefix;
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$catTo = $prefixRow->cl_to;
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$dbw->update( 'categorylinks',
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array(
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'cl_sortkey' => Collation::singleton()->getSortKey(
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$this->newTitle->getCategorySortkey( $prefix ) ),
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'cl_collation' => $wgCategoryCollation,
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'cl_type' => $type,
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'cl_timestamp=cl_timestamp' ),
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array(
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'cl_from' => $pageid,
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'cl_to' => $catTo ),
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__METHOD__
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);
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}
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$redirid = $this->oldTitle->getArticleID();
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if ( $protected ) {
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# Protect the redirect title as the title used to be...
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$dbw->insertSelect( 'page_restrictions', 'page_restrictions',
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array(
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'pr_page' => $redirid,
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'pr_type' => 'pr_type',
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'pr_level' => 'pr_level',
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'pr_cascade' => 'pr_cascade',
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'pr_user' => 'pr_user',
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'pr_expiry' => 'pr_expiry'
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),
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array( 'pr_page' => $pageid ),
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__METHOD__,
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array( 'IGNORE' )
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);
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# Update the protection log
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$log = new LogPage( 'protect' );
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$comment = wfMessage(
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'prot_1movedto2',
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$this->oldTitle->getPrefixedText(),
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$this->newTitle->getPrefixedText()
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)->inContentLanguage()->text();
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if ( $reason ) {
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$comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
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}
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// @todo FIXME: $params?
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$logId = $log->addEntry(
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'move_prot',
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$this->newTitle,
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$comment,
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array( $this->oldTitle->getPrefixedText() ),
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$user
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);
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// reread inserted pr_ids for log relation
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$insertedPrIds = $dbw->select(
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'page_restrictions',
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'pr_id',
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array( 'pr_page' => $redirid ),
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__METHOD__
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);
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$logRelationsValues = array();
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foreach ( $insertedPrIds as $prid ) {
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$logRelationsValues[] = $prid->pr_id;
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}
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$log->addRelations( 'pr_id', $logRelationsValues, $logId );
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}
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// Update *_from_namespace fields as needed
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if ( $this->oldTitle->getNamespace() != $this->newTitle->getNamespace() ) {
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$dbw->update( 'pagelinks',
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array( 'pl_from_namespace' => $this->newTitle->getNamespace() ),
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array( 'pl_from' => $pageid ),
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__METHOD__
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);
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$dbw->update( 'templatelinks',
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array( 'tl_from_namespace' => $this->newTitle->getNamespace() ),
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array( 'tl_from' => $pageid ),
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__METHOD__
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);
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$dbw->update( 'imagelinks',
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array( 'il_from_namespace' => $this->newTitle->getNamespace() ),
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array( 'il_from' => $pageid ),
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__METHOD__
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);
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}
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# Update watchlists
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$oldtitle = $this->oldTitle->getDBkey();
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$newtitle = $this->newTitle->getDBkey();
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$oldsnamespace = MWNamespace::getSubject( $this->oldTitle->getNamespace() );
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$newsnamespace = MWNamespace::getSubject( $this->newTitle->getNamespace() );
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if ( $oldsnamespace != $newsnamespace || $oldtitle != $newtitle ) {
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WatchedItem::duplicateEntries( $this->oldTitle, $this->newTitle );
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}
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$dbw->commit( __METHOD__ );
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wfRunHooks( 'TitleMoveComplete', array( &$this->oldTitle, &$this->newTitle, &$user, $pageid, $redirid, $reason ) );
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return Status::newGood();
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}
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/**
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* Move page to a title which is either a redirect to the
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* source page or nonexistent
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*
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* @fixme This was basically directly moved from Title, it should be split into smaller functions
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* @param User $user the User doing the move
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* @param Title $nt The page to move to, which should be a redirect or nonexistent
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* @param string $reason The reason for the move
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* @param bool $createRedirect Whether to leave a redirect at the old title. Does not check
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* if the user has the suppressredirect right
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* @throws MWException
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*/
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private function moveToInternal( User $user, &$nt, $reason = '', $createRedirect = true ) {
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global $wgContLang;
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if ( $nt->exists() ) {
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$moveOverRedirect = true;
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$logType = 'move_redir';
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} else {
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$moveOverRedirect = false;
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$logType = 'move';
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}
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if ( $createRedirect ) {
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if ( $this->oldTitle->getNamespace() == NS_CATEGORY
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&& !wfMessage( 'category-move-redirect-override' )->inContentLanguage()->isDisabled()
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) {
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$redirectContent = new WikitextContent(
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wfMessage( 'category-move-redirect-override' )
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->params( $nt->getPrefixedText() )->inContentLanguage()->plain() );
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} else {
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$contentHandler = ContentHandler::getForTitle( $this->oldTitle );
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$redirectContent = $contentHandler->makeRedirectContent( $nt,
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wfMessage( 'move-redirect-text' )->inContentLanguage()->plain() );
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}
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// NOTE: If this page's content model does not support redirects, $redirectContent will be null.
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} else {
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$redirectContent = null;
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}
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// bug 57084: log_page should be the ID of the *moved* page
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$oldid = $this->oldTitle->getArticleID();
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$logTitle = clone $this->oldTitle;
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$logEntry = new ManualLogEntry( 'move', $logType );
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$logEntry->setPerformer( $user );
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$logEntry->setTarget( $logTitle );
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$logEntry->setComment( $reason );
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$logEntry->setParameters( array(
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'4::target' => $nt->getPrefixedText(),
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'5::noredir' => $redirectContent ? '0': '1',
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) );
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$formatter = LogFormatter::newFromEntry( $logEntry );
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$formatter->setContext( RequestContext::newExtraneousContext( $this->oldTitle ) );
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$comment = $formatter->getPlainActionText();
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if ( $reason ) {
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$comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
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}
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# Truncate for whole multibyte characters.
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$comment = $wgContLang->truncate( $comment, 255 );
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$dbw = wfGetDB( DB_MASTER );
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$newpage = WikiPage::factory( $nt );
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if ( $moveOverRedirect ) {
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$newid = $nt->getArticleID();
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$newcontent = $newpage->getContent();
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# Delete the old redirect. We don't save it to history since
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# by definition if we've got here it's rather uninteresting.
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# We have to remove it so that the next step doesn't trigger
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# a conflict on the unique namespace+title index...
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$dbw->delete( 'page', array( 'page_id' => $newid ), __METHOD__ );
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$newpage->doDeleteUpdates( $newid, $newcontent );
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}
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# Save a null revision in the page's history notifying of the move
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$nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true, $user );
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if ( !is_object( $nullRevision ) ) {
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throw new MWException( 'No valid null revision produced in ' . __METHOD__ );
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}
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$nullRevision->insertOn( $dbw );
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# Change the name of the target page:
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$dbw->update( 'page',
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/* SET */ array(
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'page_namespace' => $nt->getNamespace(),
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'page_title' => $nt->getDBkey(),
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),
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/* WHERE */ array( 'page_id' => $oldid ),
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__METHOD__
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);
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// clean up the old title before reset article id - bug 45348
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if ( !$redirectContent ) {
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WikiPage::onArticleDelete( $this->oldTitle );
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}
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$this->oldTitle->resetArticleID( 0 ); // 0 == non existing
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$nt->resetArticleID( $oldid );
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$newpage->loadPageData( WikiPage::READ_LOCKING ); // bug 46397
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$newpage->updateRevisionOn( $dbw, $nullRevision );
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wfRunHooks( 'NewRevisionFromEditComplete',
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array( $newpage, $nullRevision, $nullRevision->getParentId(), $user ) );
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$newpage->doEditUpdates( $nullRevision, $user, array( 'changed' => false ) );
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if ( !$moveOverRedirect ) {
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WikiPage::onArticleCreate( $nt );
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}
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# Recreate the redirect, this time in the other direction.
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if ( $redirectContent ) {
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$redirectArticle = WikiPage::factory( $this->oldTitle );
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$redirectArticle->loadFromRow( false, WikiPage::READ_LOCKING ); // bug 46397
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$newid = $redirectArticle->insertOn( $dbw );
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if ( $newid ) { // sanity
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$this->oldTitle->resetArticleID( $newid );
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$redirectRevision = new Revision( array(
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'title' => $this->oldTitle, // for determining the default content model
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'page' => $newid,
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'user_text' => $user->getName(),
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'user' => $user->getId(),
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'comment' => $comment,
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'content' => $redirectContent ) );
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$redirectRevision->insertOn( $dbw );
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$redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
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wfRunHooks( 'NewRevisionFromEditComplete',
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array( $redirectArticle, $redirectRevision, false, $user ) );
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$redirectArticle->doEditUpdates( $redirectRevision, $user, array( 'created' => true ) );
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}
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}
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# Log the move
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$logid = $logEntry->insert();
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$logEntry->publish( $logid );
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}
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} |