function run()
{
if (is_null($this->title)) {
$this->setLastError("deleteLinks: Invalid title");
return false;
}
$pageId = $this->params['pageId'];
// Serialize links updates by page ID so they see each others' changes
$scopedLock = LinksUpdate::acquirePageLock(wfGetDB(DB_MASTER), $pageId, 'job');
if (WikiPage::newFromID($pageId, WikiPage::READ_LATEST)) {
// The page was restored somehow or something went wrong
$this->setLastError("deleteLinks: Page #{$pageId} exists");
return false;
}
$factory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
$timestamp = isset($this->params['timestamp']) ? $this->params['timestamp'] : null;
$page = WikiPage::factory($this->title);
// title when deleted
$update = new LinksDeletionUpdate($page, $pageId, $timestamp);
$update->setTransactionTicket($factory->getEmptyTransactionTicket(__METHOD__));
$update->doUpdate();
return true;
}
/**
* Merge page histories
*
* @param integer $id The page_id
* @param Title $newTitle The new title
* @return bool
*/
private function mergePage($row, Title $newTitle)
{
$id = $row->page_id;
// Construct the WikiPage object we will need later, while the
// page_id still exists. Note that this cannot use makeTitleSafe(),
// we are deliberately constructing an invalid title.
$sourceTitle = Title::makeTitle($row->page_namespace, $row->page_title);
$sourceTitle->resetArticleID($id);
$wikiPage = new WikiPage($sourceTitle);
$wikiPage->loadPageData('fromdbmaster');
$destId = $newTitle->getArticleId();
$this->beginTransaction($this->db, __METHOD__);
$this->db->update('revision', array('rev_page' => $destId), array('rev_page' => $id), __METHOD__);
$this->db->delete('page', array('page_id' => $id), __METHOD__);
/* Call LinksDeletionUpdate to delete outgoing links from the old title,
* and update category counts.
*
* Calling external code with a fake broken Title is a fairly dubious
* idea. It's necessary because it's quite a lot of code to duplicate,
* but that also makes it fragile since it would be easy for someone to
* accidentally introduce an assumption of title validity to the code we
* are calling.
*/
$update = new LinksDeletionUpdate($wikiPage);
$update->doUpdate();
$this->commitTransaction($this->db, __METHOD__);
return true;
}
