WatchedItemStore is the MediaWiki class that handles database interactions for Watchlist related functions. Watchlist code in other parts of the core act as a wrapper for functions in this class.

Member functions

• countWatchedItems() – Count the number of individual items that are watched by the user. Counts subject and talk page separately.
• countWatchers() – Count number of watchers for a given page.
• countWatchersMultiple() – Count number of watchers for a given array of pages. Returns an array with watchers for each page.
• countVisitingWatchers() – Number of watchers who have visited a recent edit of a page.
• countVisitingWatchersMultiple() – Number of watchers of each page (from a given set of pages) who have visited recent edits to that page.
• getNotificationTimestamp() – Retrieve the notification timestamp for an entry on the watchlist for a given user and page.
• getNotificationTimestampsBatch() – Retrieve the notification timestamps for an array of given entries.
• getWatchedItem() – Get a WatchedItem object for given user and LinkTarget object.
• getWatchedItemsForUser() – Get all WatchedItems for a given user.
• isWatched() – Check if a page is watched. Separate for subject and talk pages.
• loadWatchedItem() -– Loads a WatchedItem from DB with given user and LinkTarget values.
• removeWatch() – Remove page from watchlist, given a user and LinkTarget.
• resetNotificationTimestamp() – Reset notification timestamp for given user and page.
• setNotificationTimestampsForUser() – Set a notification timestamp for given user and page.
• updateNotificationTimestamp() – Update notification timestamp for given LinkTarget object. Accepts the editor user object to not update timestamp for them.

Example Usages

// Get notification timestamp for a watched item
use MediaWiki\MediaWikiServices;
$item = MediaWikiServices::getInstance()->getWatchedItemStore()->loadWatchedItem( $this->user, $this->linkTarget );
$this->notificationTimestamp = $item->getNotificationTimestamp();

// Count watched items for a given user
use MediaWiki\MediaWikiServices;
$store = MediaWikiServices::getInstance()->getWatchedItemStore();
$count = $store->countWatchedItems( $this->getUser() );