// The query to find out if it is watched is cached both in memcached and per-invocation,
// and when it does have to be executed, it can be on a slave
// If this is the user's newtalk page, we always update the timestamp
- if( $title->getNamespace() == NS_USER_TALK &&
+ $force = '';
+ if ( $title->getNamespace() == NS_USER_TALK &&
$title->getText() == $this->getName() )
{
- $watched = true;
- } else {
- $watched = $this->isWatched( $title );
+ $force = 'force';
}
- // If the page is watched by the user (or may be watched), update the timestamp on any
- // any matching rows
- if ( $watched ) {
- $dbw = wfGetDB( DB_MASTER );
- $dbw->update( 'watchlist',
- array( /* SET */
- 'wl_notificationtimestamp' => null
- ), array( /* WHERE */
- 'wl_title' => $title->getDBkey(),
- 'wl_namespace' => $title->getNamespace(),
- 'wl_user' => $this->getID()
- ), __METHOD__
- );
- }
+ $wi = WatchedItem::fromUserTitle( $this, $title );
+ $wi->resetNotificationTimestamp( $force );
}
/**
*/
class WatchedItem {
var $mTitle, $mUser, $id, $ns, $ti;
+ private $loaded = false, $watched, $timestamp;
/**
* Create a WatchedItem object with the given user and title
}
/**
- * Is mTitle being watched by mUser?
- * @return bool
+ * Return an array of conditions to select or update the appropriate database
+ * row.
+ *
+ * @return array
*/
- public function isWatched() {
+ private function dbCond() {
+ return array( 'wl_user' => $this->id, 'wl_namespace' => $this->ns, 'wl_title' => $this->ti );
+ }
+
+ /**
+ * Load the object from the database
+ */
+ private function load() {
+ if ( $this->loaded ) {
+ return;
+ }
+ $this->loaded = true;
+
# Pages and their talk pages are considered equivalent for watching;
# remember that talk namespaces are numbered as page namespace+1.
$dbr = wfGetDB( DB_SLAVE );
- $res = $dbr->select( 'watchlist', 1, array( 'wl_user' => $this->id, 'wl_namespace' => $this->ns,
- 'wl_title' => $this->ti ), __METHOD__ );
- $iswatched = ($dbr->numRows( $res ) > 0) ? 1 : 0;
- return $iswatched;
+ $row = $dbr->selectRow( 'watchlist', 'wl_notificationtimestamp',
+ $this->dbCond(), __METHOD__ );
+
+ if ( $row === false ) {
+ $this->watched = false;
+ } else {
+ $this->watched = true;
+ $this->timestamp = $row->wl_notificationtimestamp;
+ }
+ }
+
+ /**
+ * Is mTitle being watched by mUser?
+ * @return bool
+ */
+ public function isWatched() {
+ $this->load();
+ return $this->watched;
+ }
+
+ /**
+ * Get the notification timestamp of this entry.
+ *
+ * @return false|null|string: false if the page is not watched, the value of
+ * the wl_notificationtimestamp field otherwise
+ */
+ public function getNotificationTimestamp() {
+ $this->load();
+ if ( $this->watched ) {
+ return $this->timestamp;
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Reset the notification timestamp of this entry
+ *
+ * @param $force Whether to force the write query to be executed even if the
+ * page is not watched or the notification timestamp is already NULL.
+ */
+ public function resetNotificationTimestamp( $force = '' ) {
+ if ( $force != 'force' ) {
+ $this->load();
+ if ( !$this->watched || $this->timestamp === null ) {
+ return;
+ }
+ }
+
+ // If the page is watched by the user (or may be watched), update the timestamp on any
+ // any matching rows
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->update( 'watchlist', array( 'wl_notificationtimestamp' => null ),
+ $this->dbCond(), __METHOD__ );
+ $this->timestamp = null;
}
/**
'wl_notificationtimestamp' => null
), __METHOD__, 'IGNORE' );
+ $this->watched = true;
+
wfProfileOut( __METHOD__ );
return true;
}
$success = true;
}
+ $this->watched = false;
+
wfProfileOut( __METHOD__ );
return $success;
}
*
* @return bool
*/
- private static function doDuplicateEntries( $ot, $nt ) {
+ private static function doDuplicateEntries( $ot, $nt ) {
$oldnamespace = $ot->getNamespace();
$newnamespace = $nt->getNamespace();
$oldtitle = $ot->getDBkey();