use Title;
use User;
use Wikimedia\Assert\Assert;
+use Wikimedia\Rdbms\LBFactory;
use WikiPage;
/**
*/
private $messageCache;
+ /**
+ * @var LBFactory
+ */
+ private $loadbalancerFactory;
+
/**
* @var string see $wgArticleCountMethod
*/
private $rcWatchCategoryMembership = false;
/**
- * See $options on prepareUpdate.
+ * Stores (most of) the $options parameter of prepareUpdate().
+ * @see prepareUpdate()
*/
private $options = [
'changed' => true,
'created' => false,
'moved' => false,
'restored' => false,
+ 'oldrevision' => null,
'oldcountable' => null,
'oldredirect' => null,
+ 'triggeringUser' => null,
+ // causeAction/causeAgent default to 'unknown' but that's handled where it's read,
+ // to make the life of prepareUpdate() callers easier.
+ 'causeAction' => null,
+ 'causeAgent' => null,
];
/**
* @param JobQueueGroup $jobQueueGroup
* @param MessageCache $messageCache
* @param Language $contLang
+ * @param LBFactory $loadbalancerFactory
*/
public function __construct(
WikiPage $wikiPage,
ParserCache $parserCache,
JobQueueGroup $jobQueueGroup,
MessageCache $messageCache,
- Language $contLang
+ Language $contLang,
+ LBFactory $loadbalancerFactory
) {
$this->wikiPage = $wikiPage;
$this->jobQueueGroup = $jobQueueGroup;
$this->messageCache = $messageCache;
$this->contLang = $contLang;
+ // XXX only needed for waiting for slaves to catch up; there should be a narrower
+ // interface for that.
+ $this->loadbalancerFactory = $loadbalancerFactory;
}
/**
}
}
+ private function assertHasRevision( $method ) {
+ if ( !$this->revision->getId() ) {
+ throw new LogicException(
+ 'Must call prepareUpdate() before calling ' . $method
+ );
+ }
+ }
+
/**
* Whether the edit creates the page.
*
* - moved: bool, whether the page was moved (default false)
* - restored: bool, whether the page was undeleted (default false)
* - oldrevision: Revision object for the pre-update revision (default null)
- * - triggeringuser: The user triggering the update (UserIdentity, default null)
+ * - triggeringUser: The user triggering the update (UserIdentity, defaults to the
+ * user who created the revision)
* - oldredirect: bool, null, or string 'no-change' (default null):
* - bool: whether the page was counted as a redirect before that
* revision, only used in changed is true and created is false
* is true, do update the article count
* - 'no-change': don't update the article count, ever
* When set to null, pageState['oldCountable'] will be used instead if available.
+ * - causeAction: an arbitrary string identifying the reason for the update.
+ * See DataUpdate::getCauseAction(). (default 'unknown')
+ * - causeAgent: name of the user who caused the update. See DataUpdate::getCauseAgent().
+ * (string, default 'unknown')
*/
public function prepareUpdate( RevisionRecord $revision, array $options = [] ) {
Assert::parameter(
'must be a RevisionRecord (or Revision)'
);
Assert::parameter(
- !isset( $options['triggeringuser'] )
- || $options['triggeringuser'] instanceof UserIdentity,
- '$options["triggeringuser"]',
+ !isset( $options['triggeringUser'] )
+ || $options['triggeringUser'] instanceof UserIdentity,
+ '$options["triggeringUser"]',
'must be a UserIdentity'
);
$wikiPage = $this->getWikiPage(); // TODO: use only for legacy hooks!
- // NOTE: this may trigger the first parsing of the new content after an edit (when not
- // using pre-generated stashed output).
- // XXX: we may want to use the PoolCounter here. This would perhaps allow the initial parse
- // to be perform post-send. The client could already follow a HTTP redirect to the
- // page view, but would then have to wait for a response until rendering is complete.
- $output = $this->getCanonicalParserOutput();
-
- // Save it to the parser cache.
- // Make sure the cache time matches page_touched to avoid double parsing.
- $this->parserCache->save(
- $output, $wikiPage, $this->getCanonicalParserOptions(),
- $this->revision->getTimestamp(), $this->revision->getId()
- );
-
$legacyUser = User::newFromIdentity( $this->user );
$legacyRevision = new Revision( $this->revision );
- // Update the links tables and other secondary data
- $recursive = $this->options['changed']; // T52785
- $updates = $this->getSecondaryDataUpdates( $recursive );
+ $this->doParserCacheUpdate();
- $triggeringUser = $this->options['triggeringuser'] ?? $this->user;
- if ( !$triggeringUser instanceof User ) {
- $triggeringUser = User::newFromIdentity( $triggeringUser );
- }
- foreach ( $updates as $update ) {
- // TODO: make an $option field for the cause
- $update->setCause( 'edit-page', $triggeringUser->getName() );
- if ( $update instanceof LinksUpdate ) {
- $update->setRevision( $legacyRevision );
- $update->setTriggeringUser( $triggeringUser );
- }
- DeferredUpdates::addUpdate( $update );
- }
+ $this->doSecondaryDataUpdates( [
+ // T52785 do not update any other pages on a null edit
+ 'recursive' => $this->options['changed'],
+ 'defer' => DeferredUpdates::POSTSEND,
+ ] );
// TODO: MCR: check if *any* changed slot supports categories!
if ( $this->rcWatchCategoryMembership
$this->doTransition( 'done' );
}
+ /**
+ * Do secondary data updates (such as updating link tables).
+ *
+ * MCR note: this method is temporarily exposed via WikiPage::doSecondaryDataUpdates.
+ *
+ * @param array $options
+ * - recursive: make the update recursive, i.e. also update pages which transclude the
+ * current page or otherwise depend on it (default: false)
+ * - defer: one of the DeferredUpdates constants, or false to run immediately after waiting
+ * for replication of the changes from the SecondaryDataUpdates hooks (default: false)
+ * - transactionTicket: a transaction ticket from LBFactory::getEmptyTransactionTicket(),
+ * only when defer is false (default: null)
+ * @since 1.32
+ */
+ public function doSecondaryDataUpdates( array $options = [] ) {
+ $this->assertHasRevision( __METHOD__ );
+ $options += [
+ 'recursive' => false,
+ 'defer' => false,
+ 'transactionTicket' => null,
+ ];
+ $deferValues = [ false, DeferredUpdates::PRESEND, DeferredUpdates::POSTSEND ];
+ if ( !in_array( $options['defer'], $deferValues, true ) ) {
+ throw new InvalidArgumentException( 'invalid value for defer: ' . $options['defer'] );
+ }
+ Assert::parameterType( 'integer|null', $options['transactionTicket'],
+ '$options[\'transactionTicket\']' );
+
+ $updates = $this->getSecondaryDataUpdates( $options['recursive'] );
+
+ $triggeringUser = $this->options['triggeringUser'] ?? $this->user;
+ if ( !$triggeringUser instanceof User ) {
+ $triggeringUser = User::newFromIdentity( $triggeringUser );
+ }
+ $causeAction = $this->options['causeAction'] ?? 'unknown';
+ $causeAgent = $this->options['causeAgent'] ?? 'unknown';
+ $legacyRevision = new Revision( $this->revision );
+
+ if ( $options['defer'] === false && $options['transactionTicket'] !== null ) {
+ // For legacy hook handlers doing updates via LinksUpdateConstructed, make sure
+ // any pending writes they made get flushed before the doUpdate() calls below.
+ // This avoids snapshot-clearing errors in LinksUpdate::acquirePageLock().
+ $this->loadbalancerFactory->commitAndWaitForReplication(
+ __METHOD__, $options['transactionTicket']
+ );
+ }
+
+ foreach ( $updates as $update ) {
+ $update->setCause( $causeAction, $causeAgent );
+ if ( $update instanceof LinksUpdate ) {
+ $update->setRevision( $legacyRevision );
+ $update->setTriggeringUser( $triggeringUser );
+ }
+ if ( $options['defer'] === false ) {
+ if ( $options['transactionTicket'] !== null ) {
+ $update->setTransactionTicket( $options['transactionTicket'] );
+ }
+ $update->doUpdate();
+ } else {
+ DeferredUpdates::addUpdate( $update, $options['defer'] );
+ }
+ }
+ }
+
+ public function doParserCacheUpdate() {
+ $this->assertHasRevision( __METHOD__ );
+
+ $wikiPage = $this->getWikiPage(); // TODO: ParserCache should accept a RevisionRecord instead
+
+ // NOTE: this may trigger the first parsing of the new content after an edit (when not
+ // using pre-generated stashed output).
+ // XXX: we may want to use the PoolCounter here. This would perhaps allow the initial parse
+ // to be performed post-send. The client could already follow a HTTP redirect to the
+ // page view, but would then have to wait for a response until rendering is complete.
+ $output = $this->getCanonicalParserOutput();
+
+ // Save it to the parser cache. Use the revision timestamp in the case of a
+ // freshly saved edit, as that matches page_touched and a mismatch would trigger an
+ // unnecessary reparse.
+ $timestamp = $this->options['changed'] ? $this->revision->getTimestamp()
+ : $output->getTimestamp();
+ $this->parserCache->save(
+ $output, $wikiPage, $this->getCanonicalParserOptions(),
+ $timestamp, $this->revision->getId()
+ );
+ }
+
}
dépôts / lhc / web / wiklou.git / blobdiff