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authorPierre Schmitz <pierre@archlinux.de>2014-12-27 15:41:37 +0100
committerPierre Schmitz <pierre@archlinux.de>2014-12-31 11:43:28 +0100
commitc1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch)
tree2b38796e738dd74cb42ecd9bfd151803108386bc /includes/MovePage.php
parentb88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff)
Update to MediaWiki 1.24.1
Diffstat (limited to 'includes/MovePage.php')
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1 files changed, 343 insertions, 0 deletions
diff --git a/includes/MovePage.php b/includes/MovePage.php
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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
+ */
+
+/**
+ * Handles the backend logic of moving a page from one title
+ * to another.
+ *
+ * @since 1.24
+ */
+class MovePage {
+
+ /**
+ * @var Title
+ */
+ protected $oldTitle;
+
+ /**
+ * @var Title
+ */
+ protected $newTitle;
+
+ public function __construct( Title $oldTitle, Title $newTitle ) {
+ $this->oldTitle = $oldTitle;
+ $this->newTitle = $newTitle;
+ }
+
+ /**
+ * @param User $user
+ * @param string $reason
+ * @param bool $createRedirect
+ * @return Status
+ */
+ public function move( User $user, $reason, $createRedirect ) {
+ global $wgCategoryCollation;
+
+ // 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 );
+ 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->begin( __METHOD__ ); # If $file was a LocalFile, its transaction would have closed our own.
+ $pageid = $this->oldTitle->getArticleID( Title::GAID_FOR_UPDATE );
+ $protected = $this->oldTitle->isProtected();
+
+ // Do the actual move
+ $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',
+ array( 'cl_sortkey_prefix', 'cl_to' ),
+ array( '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',
+ array(
+ 'cl_sortkey' => Collation::singleton()->getSortKey(
+ $this->newTitle->getCategorySortkey( $prefix ) ),
+ 'cl_collation' => $wgCategoryCollation,
+ 'cl_type' => $type,
+ 'cl_timestamp=cl_timestamp' ),
+ array(
+ 'cl_from' => $pageid,
+ 'cl_to' => $catTo ),
+ __METHOD__
+ );
+ }
+
+ $redirid = $this->oldTitle->getArticleID();
+
+ if ( $protected ) {
+ # Protect the redirect title as the title used to be...
+ $dbw->insertSelect( 'page_restrictions', 'page_restrictions',
+ array(
+ 'pr_page' => $redirid,
+ 'pr_type' => 'pr_type',
+ 'pr_level' => 'pr_level',
+ 'pr_cascade' => 'pr_cascade',
+ 'pr_user' => 'pr_user',
+ 'pr_expiry' => 'pr_expiry'
+ ),
+ array( 'pr_page' => $pageid ),
+ __METHOD__,
+ array( 'IGNORE' )
+ );
+ # Update the protection log
+ $log = new LogPage( 'protect' );
+ $comment = wfMessage(
+ 'prot_1movedto2',
+ $this->oldTitle->getPrefixedText(),
+ $this->newTitle->getPrefixedText()
+ )->inContentLanguage()->text();
+ if ( $reason ) {
+ $comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
+ }
+ // @todo FIXME: $params?
+ $logId = $log->addEntry(
+ 'move_prot',
+ $this->newTitle,
+ $comment,
+ array( $this->oldTitle->getPrefixedText() ),
+ $user
+ );
+
+ // reread inserted pr_ids for log relation
+ $insertedPrIds = $dbw->select(
+ 'page_restrictions',
+ 'pr_id',
+ array( 'pr_page' => $redirid ),
+ __METHOD__
+ );
+ $logRelationsValues = array();
+ foreach ( $insertedPrIds as $prid ) {
+ $logRelationsValues[] = $prid->pr_id;
+ }
+ $log->addRelations( 'pr_id', $logRelationsValues, $logId );
+ }
+
+ // Update *_from_namespace fields as needed
+ if ( $this->oldTitle->getNamespace() != $this->newTitle->getNamespace() ) {
+ $dbw->update( 'pagelinks',
+ array( 'pl_from_namespace' => $this->newTitle->getNamespace() ),
+ array( 'pl_from' => $pageid ),
+ __METHOD__
+ );
+ $dbw->update( 'templatelinks',
+ array( 'tl_from_namespace' => $this->newTitle->getNamespace() ),
+ array( 'tl_from' => $pageid ),
+ __METHOD__
+ );
+ $dbw->update( 'imagelinks',
+ array( 'il_from_namespace' => $this->newTitle->getNamespace() ),
+ array( '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 ) {
+ WatchedItem::duplicateEntries( $this->oldTitle, $this->newTitle );
+ }
+
+ $dbw->commit( __METHOD__ );
+
+ wfRunHooks( 'TitleMoveComplete', array( &$this->oldTitle, &$this->newTitle, &$user, $pageid, $redirid, $reason ) );
+ return Status::newGood();
+
+ }
+
+ /**
+ * Move page to a title which is either a redirect to the
+ * source page or nonexistent
+ *
+ * @fixme This was basically directly moved from Title, it should be split into smaller functions
+ * @param User $user the User doing the move
+ * @param Title $nt The page to move to, which should be a redirect or nonexistent
+ * @param string $reason The reason for the move
+ * @param bool $createRedirect Whether to leave a redirect at the old title. Does not check
+ * if the user has the suppressredirect right
+ * @throws MWException
+ */
+ private function moveToInternal( User $user, &$nt, $reason = '', $createRedirect = true ) {
+ global $wgContLang;
+
+ if ( $nt->exists() ) {
+ $moveOverRedirect = true;
+ $logType = 'move_redir';
+ } else {
+ $moveOverRedirect = false;
+ $logType = 'move';
+ }
+
+ if ( $createRedirect ) {
+ if ( $this->oldTitle->getNamespace() == NS_CATEGORY
+ && !wfMessage( 'category-move-redirect-override' )->inContentLanguage()->isDisabled()
+ ) {
+ $redirectContent = new WikitextContent(
+ wfMessage( 'category-move-redirect-override' )
+ ->params( $nt->getPrefixedText() )->inContentLanguage()->plain() );
+ } else {
+ $contentHandler = ContentHandler::getForTitle( $this->oldTitle );
+ $redirectContent = $contentHandler->makeRedirectContent( $nt,
+ wfMessage( 'move-redirect-text' )->inContentLanguage()->plain() );
+ }
+
+ // NOTE: If this page's content model does not support redirects, $redirectContent will be null.
+ } else {
+ $redirectContent = null;
+ }
+
+ // bug 57084: log_page should be the ID of the *moved* page
+ $oldid = $this->oldTitle->getArticleID();
+ $logTitle = clone $this->oldTitle;
+
+ $logEntry = new ManualLogEntry( 'move', $logType );
+ $logEntry->setPerformer( $user );
+ $logEntry->setTarget( $logTitle );
+ $logEntry->setComment( $reason );
+ $logEntry->setParameters( array(
+ '4::target' => $nt->getPrefixedText(),
+ '5::noredir' => $redirectContent ? '0': '1',
+ ) );
+
+ $formatter = LogFormatter::newFromEntry( $logEntry );
+ $formatter->setContext( RequestContext::newExtraneousContext( $this->oldTitle ) );
+ $comment = $formatter->getPlainActionText();
+ if ( $reason ) {
+ $comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
+ }
+ # Truncate for whole multibyte characters.
+ $comment = $wgContLang->truncate( $comment, 255 );
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ $newpage = WikiPage::factory( $nt );
+
+ if ( $moveOverRedirect ) {
+ $newid = $nt->getArticleID();
+ $newcontent = $newpage->getContent();
+
+ # Delete the old redirect. We don't save it to history since
+ # by definition if we've got here it's rather uninteresting.
+ # We have to remove it so that the next step doesn't trigger
+ # a conflict on the unique namespace+title index...
+ $dbw->delete( 'page', array( 'page_id' => $newid ), __METHOD__ );
+
+ $newpage->doDeleteUpdates( $newid, $newcontent );
+ }
+
+ # Save a null revision in the page's history notifying of the move
+ $nullRevision = Revision::newNullRevision( $dbw, $oldid, $comment, true, $user );
+ if ( !is_object( $nullRevision ) ) {
+ throw new MWException( 'No valid null revision produced in ' . __METHOD__ );
+ }
+
+ $nullRevision->insertOn( $dbw );
+
+ # Change the name of the target page:
+ $dbw->update( 'page',
+ /* SET */ array(
+ 'page_namespace' => $nt->getNamespace(),
+ 'page_title' => $nt->getDBkey(),
+ ),
+ /* WHERE */ array( 'page_id' => $oldid ),
+ __METHOD__
+ );
+
+ // clean up the old title before reset article id - bug 45348
+ if ( !$redirectContent ) {
+ WikiPage::onArticleDelete( $this->oldTitle );
+ }
+
+ $this->oldTitle->resetArticleID( 0 ); // 0 == non existing
+ $nt->resetArticleID( $oldid );
+ $newpage->loadPageData( WikiPage::READ_LOCKING ); // bug 46397
+
+ $newpage->updateRevisionOn( $dbw, $nullRevision );
+
+ wfRunHooks( 'NewRevisionFromEditComplete',
+ array( $newpage, $nullRevision, $nullRevision->getParentId(), $user ) );
+
+ $newpage->doEditUpdates( $nullRevision, $user, array( 'changed' => false ) );
+
+ if ( !$moveOverRedirect ) {
+ WikiPage::onArticleCreate( $nt );
+ }
+
+ # Recreate the redirect, this time in the other direction.
+ if ( $redirectContent ) {
+ $redirectArticle = WikiPage::factory( $this->oldTitle );
+ $redirectArticle->loadFromRow( false, WikiPage::READ_LOCKING ); // bug 46397
+ $newid = $redirectArticle->insertOn( $dbw );
+ if ( $newid ) { // sanity
+ $this->oldTitle->resetArticleID( $newid );
+ $redirectRevision = new Revision( array(
+ 'title' => $this->oldTitle, // for determining the default content model
+ 'page' => $newid,
+ 'user_text' => $user->getName(),
+ 'user' => $user->getId(),
+ 'comment' => $comment,
+ 'content' => $redirectContent ) );
+ $redirectRevision->insertOn( $dbw );
+ $redirectArticle->updateRevisionOn( $dbw, $redirectRevision, 0 );
+
+ wfRunHooks( 'NewRevisionFromEditComplete',
+ array( $redirectArticle, $redirectRevision, false, $user ) );
+
+ $redirectArticle->doEditUpdates( $redirectRevision, $user, array( 'created' => true ) );
+ }
+ }
+
+ # Log the move
+ $logid = $logEntry->insert();
+ $logEntry->publish( $logid );
+ }
+
+} \ No newline at end of file