return (bool)$this->getWatchedItem( $user, $target );
}
+ /**
+ * @param User $user
+ * @param LinkTarget[] $targets
+ *
+ * @return array multi-dimensional like $return[$namespaceId][$titleString] = $timestamp,
+ * where $timestamp is:
+ * - string|null value of wl_notificationtimestamp,
+ * - false if $target is not watched by $user.
+ */
+ public function getNotificationTimestampsBatch( User $user, array $targets ) {
+ $timestamps = [];
+ foreach ( $targets as $target ) {
+ $timestamps[$target->getNamespace()][$target->getDBkey()] = false;
+ }
+
+ if ( $user->isAnon() ) {
+ return $timestamps;
+ }
+
+ $targetsToLoad = [];
+ foreach ( $targets as $target ) {
+ $cachedItem = $this->getCached( $user, $target );
+ if ( $cachedItem ) {
+ $timestamps[$target->getNamespace()][$target->getDBkey()] =
+ $cachedItem->getNotificationTimestamp();
+ } else {
+ $targetsToLoad[] = $target;
+ }
+ }
+
+ if ( !$targetsToLoad ) {
+ return $timestamps;
+ }
+
+ $dbr = $this->getConnection( DB_SLAVE );
+
+ $lb = new LinkBatch( $targetsToLoad );
+ $res = $dbr->select(
+ 'watchlist',
+ [ 'wl_namespace', 'wl_title', 'wl_notificationtimestamp' ],
+ [
+ $lb->constructSet( 'wl', $dbr ),
+ 'wl_user' => $user->getId(),
+ ],
+ __METHOD__
+ );
+ $this->reuseConnection( $dbr );
+
+ foreach ( $res as $row ) {
+ $timestamps[(int)$row->wl_namespace][$row->wl_title] = $row->wl_notificationtimestamp;
+ }
+
+ return $timestamps;
+ }
+
/**
* Must be called separately for Subject & Talk namespaces
*