Storage layer class for WatchedItems. More...

Inheritance diagram for WatchedItemStore:

Collaboration diagram for WatchedItemStore:

[legend]

Public Member Functions
	__construct (LoadBalancer $loadBalancer, HashBagOStuff $cache, ReadOnlyMode $readOnlyMode)

	addWatch (User $user, LinkTarget $target)
	Must be called separately for Subject & Talk namespaces.

	addWatchBatchForUser (User $user, array $targets)

	countUnreadNotifications (User $user, $unreadLimit=null)

	countVisitingWatchers (LinkTarget $target, $threshold)
	Number of page watchers who also visited a "recent" edit.

	countVisitingWatchersMultiple (array $targetsWithVisitThresholds, $minimumWatchers=null)
	Number of watchers of each page who have visited recent edits to that page.

	countWatchedItems (User $user)
	Count the number of individual items that are watched by the user.

	countWatchers (LinkTarget $target)

	countWatchersMultiple (array $targets, array $options=[])

	duplicateAllAssociatedEntries (LinkTarget $oldTarget, LinkTarget $newTarget)
	Check if the given title already is watched by the user, and if so add a watch for the new title.

	duplicateEntry (LinkTarget $oldTarget, LinkTarget $newTarget)
	Check if the given title already is watched by the user, and if so add a watch for the new title.

	getNotificationTimestampsBatch (User $user, array $targets)

	getWatchedItem (User $user, LinkTarget $target)
	Get an item (may be cached)

	getWatchedItemsForUser (User $user, array $options=[])

	isWatched (User $user, LinkTarget $target)
	Must be called separately for Subject & Talk namespaces.

	loadWatchedItem (User $user, LinkTarget $target)
	Loads an item from the db.

	overrideDeferredUpdatesAddCallableUpdateCallback (callable $callback)
	Overrides the DeferredUpdates::addCallableUpdate callback This is intended for use while testing and will fail if MW_PHPUNIT_TEST is not defined.

	overrideRevisionGetTimestampFromIdCallback (callable $callback)
	Overrides the Revision::getTimestampFromId callback This is intended for use while testing and will fail if MW_PHPUNIT_TEST is not defined.

	removeWatch (User $user, LinkTarget $target)
	Removes the an entry for the User watching the LinkTarget Must be called separately for Subject & Talk namespaces.

	resetNotificationTimestamp (User $user, Title $title, $force='', $oldid=0)
	Reset the notification timestamp of this entry.

	setNotificationTimestampsForUser (User $user, $timestamp, array $targets=[])

	setStatsdDataFactory (StatsdDataFactoryInterface $stats)
	Sets a StatsdDataFactory instance on the object.

	updateNotificationTimestamp (User $editor, LinkTarget $target, $timestamp)

Public Attributes
const	SORT_ASC = 'ASC'

const	SORT_DESC = 'DESC'

Private Member Functions
	cache (WatchedItem $item)

	dbCond (User $user, LinkTarget $target)
	Return an array of conditions to select or update the appropriate database row.

	getCached (User $user, LinkTarget $target)

	getCacheKey (User $user, LinkTarget $target)

	getConnectionRef ( $dbIndex)

	getNotificationTimestamp (User $user, Title $title, $item, $force, $oldid)

	getVisitingWatchersCondition (IDatabase $db, array $targetsWithVisitThresholds)
	Generates condition for the query used in a batch count visiting watchers.

	uncache (User $user, LinkTarget $target)

	uncacheLinkTarget (LinkTarget $target)

	uncacheUser (User $user)

Private Attributes
HashBagOStuff	$cache

array[]	$cacheIndex = []
	Looks like $cacheIndex[Namespace ID][Target DB Key][User Id] => 'key' The index is needed so that on mass changes all relevant items can be un-cached.

callable null	$deferredUpdatesAddCallableUpdateCallback

LoadBalancer	$loadBalancer

ReadOnlyMode	$readOnlyMode

callable null	$revisionGetTimestampFromIdCallback

StatsdDataFactoryInterface	$stats

Detailed Description

Storage layer class for WatchedItems.

Database interaction.

Uses database because this uses User::isAnon

Database

Author: Addshore

Since: 1.27

Definition at line 23 of file WatchedItemStore.php.

Constructor & Destructor Documentation

◆ __construct()

WatchedItemStore::__construct	(	LoadBalancer	$loadBalancer,
		HashBagOStuff	$cache,
		ReadOnlyMode	$readOnlyMode )

Parameters

LoadBalancer	$loadBalancer
HashBagOStuff	$cache
ReadOnlyMode	$readOnlyMode

Definition at line 71 of file WatchedItemStore.php.

References $cache, and cache.

Member Function Documentation

◆ addWatch()

WatchedItemStore::addWatch	(	User	$user,
		LinkTarget	$target )

Must be called separately for Subject & Talk namespaces.

Parameters

User	$user
LinkTarget	$target

Definition at line 602 of file WatchedItemStore.php.

References addWatchBatchForUser().

◆ addWatchBatchForUser()

WatchedItemStore::addWatchBatchForUser	(	User	$user,
		array	$targets )

Parameters

User	$user
LinkTarget[]	$targets

Returns: bool success

Definition at line 612 of file WatchedItemStore.php.

References $rows, cache, DB_MASTER, getConnectionRef(), and uncache().

Referenced by addWatch().

◆ cache()

WatchedItemStore::cache ( WatchedItem $item )

private

Definition at line 143 of file WatchedItemStore.php.

References cache, and getCacheKey().

◆ countUnreadNotifications()

WatchedItemStore::countUnreadNotifications	(	User	$user,
			$unreadLimit = null )

Parameters

User	$user
int	$unreadLimit

Returns: int|bool The number of unread notifications true if greater than or equal to $unreadLimit

Definition at line 893 of file WatchedItemStore.php.

References $dbr, DB_REPLICA, and getConnectionRef().

◆ countVisitingWatchers()

WatchedItemStore::countVisitingWatchers	(	LinkTarget	$target,
			$threshold )

Number of page watchers who also visited a "recent" edit.

Parameters

LinkTarget	$target
mixed	$threshold	timestamp accepted by wfTimestamp

Returns: int

Exceptions

DBUnexpectedError
MWException

Definition at line 270 of file WatchedItemStore.php.

References $dbr, DB_REPLICA, getConnectionRef(), MediaWiki\Linker\LinkTarget\getDBkey(), and MediaWiki\Linker\LinkTarget\getNamespace().

◆ countVisitingWatchersMultiple()

WatchedItemStore::countVisitingWatchersMultiple	(	array	$targetsWithVisitThresholds,
			$minimumWatchers = null )

Number of watchers of each page who have visited recent edits to that page.

Parameters

array	$targetsWithVisitThresholds	array of pairs (LinkTarget $target, mixed $threshold), $threshold is: a timestamp of the recent edit if $target exists (format accepted by wfTimestamp) null if $target doesn't exist
int \| null	$minimumWatchers

Returns

array multi-dimensional like $return[$namespaceId][$titleString] = $watchers, where $watchers is an int:

if the page exists, number of users watching who have visited the page recently
if the page doesn't exist, number of users that have the page on their watchlist
0 means there are no visiting watchers or their number is below the minimumWatchers option (if passed).

Definition at line 347 of file WatchedItemStore.php.

References $dbr, $res, DB_REPLICA, getConnectionRef(), getVisitingWatchersCondition(), and list.

◆ countWatchedItems()

WatchedItemStore::countWatchedItems ( User $user )

Count the number of individual items that are watched by the user.

If a subject and corresponding talk page are watched this will return 2.

Parameters

User $user

Returns: int

Definition at line 226 of file WatchedItemStore.php.

References $dbr, DB_REPLICA, and getConnectionRef().

◆ countWatchers()

WatchedItemStore::countWatchers ( LinkTarget $target )

Parameters

LinkTarget $target

Returns: int

Definition at line 245 of file WatchedItemStore.php.

References $dbr, DB_REPLICA, getConnectionRef(), MediaWiki\Linker\LinkTarget\getDBkey(), and MediaWiki\Linker\LinkTarget\getNamespace().

◆ countWatchersMultiple()

WatchedItemStore::countWatchersMultiple	(	array	$targets,
		array	$options = [] )

Parameters

LinkTarget[]	$targets
array	$options	Allowed keys: 'minimumWatchers' => int

Returns: array multi dimensional like $return[$namespaceId][$titleString] = int $watchers All targets will be present in the result. 0 either means no watchers or the number of watchers was below the minimumWatchers option if passed.

Definition at line 297 of file WatchedItemStore.php.

References $dbr, $options, $res, DB_REPLICA, and getConnectionRef().

◆ dbCond()

WatchedItemStore::dbCond	(	User	$user,
		LinkTarget	$target )

private

Return an array of conditions to select or update the appropriate database row.

Parameters

User	$user
LinkTarget	$target

Returns: array

Definition at line 200 of file WatchedItemStore.php.

References MediaWiki\Linker\LinkTarget\getDBkey(), and MediaWiki\Linker\LinkTarget\getNamespace().

Referenced by loadWatchedItem().

◆ duplicateAllAssociatedEntries()

WatchedItemStore::duplicateAllAssociatedEntries	(	LinkTarget	$oldTarget,
		LinkTarget	$newTarget )

Check if the given title already is watched by the user, and if so add a watch for the new title.

To be used for page renames and such.

Parameters

LinkTarget	$oldTarget
LinkTarget	$newTarget

Definition at line 932 of file WatchedItemStore.php.

References duplicateEntry().

◆ duplicateEntry()

WatchedItemStore::duplicateEntry	(	LinkTarget	$oldTarget,
		LinkTarget	$newTarget )

Check if the given title already is watched by the user, and if so add a watch for the new title.

To be used for page renames and such. This must be called separately for Subject and Talk pages

Parameters

LinkTarget	$oldTarget
LinkTarget	$newTarget

Definition at line 950 of file WatchedItemStore.php.

References DB_MASTER, and getConnectionRef().

Referenced by duplicateAllAssociatedEntries().

◆ getCached()

WatchedItemStore::getCached	(	User	$user,
		LinkTarget	$target )

private

Parameters

User	$user
LinkTarget	$target

Returns: WatchedItem|false

Definition at line 187 of file WatchedItemStore.php.

References cache, and getCacheKey().

Referenced by getNotificationTimestampsBatch(), and getWatchedItem().

◆ getCacheKey()

WatchedItemStore::getCacheKey	(	User	$user,
		LinkTarget	$target )

private

Definition at line 135 of file WatchedItemStore.php.

References cache, MediaWiki\Linker\LinkTarget\getDBkey(), and MediaWiki\Linker\LinkTarget\getNamespace().

Referenced by cache(), getCached(), and uncache().

◆ getConnectionRef()

WatchedItemStore::getConnectionRef ( $dbIndex )

private

Parameters

int $dbIndex DB_MASTER or DB_REPLICA

Returns: IDatabase

Exceptions

MWException

Definition at line 214 of file WatchedItemStore.php.

Referenced by addWatchBatchForUser(), countUnreadNotifications(), countVisitingWatchers(), countVisitingWatchersMultiple(), countWatchedItems(), countWatchers(), countWatchersMultiple(), duplicateEntry(), getNotificationTimestampsBatch(), getWatchedItemsForUser(), loadWatchedItem(), removeWatch(), setNotificationTimestampsForUser(), and updateNotificationTimestamp().

◆ getNotificationTimestamp()

WatchedItemStore::getNotificationTimestamp	(	User	$user,
		Title	$title,
			$item,
			$force,
			$oldid )

private

Definition at line 839 of file WatchedItemStore.php.

References getNotificationTimestamp(), and loadWatchedItem().

Referenced by getNotificationTimestamp().

◆ getNotificationTimestampsBatch()

WatchedItemStore::getNotificationTimestampsBatch	(	User	$user,
		array	$targets )

Parameters

User	$user
LinkTarget[]	$targets

Returns

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.

Definition at line 550 of file WatchedItemStore.php.

References $dbr, $res, DB_REPLICA, getCached(), getConnectionRef(), and wfTimestampOrNull().

◆ getVisitingWatchersCondition()

WatchedItemStore::getVisitingWatchersCondition	(	IDatabase	$db,
		array	$targetsWithVisitThresholds )

private

Generates condition for the query used in a batch count visiting watchers.

Parameters

IDatabase	$db
array	$targetsWithVisitThresholds	array of pairs (LinkTarget, last visit threshold)

Returns: string

Definition at line 387 of file WatchedItemStore.php.

References Wikimedia\Rdbms\IDatabase\addQuotes(), list, LIST_AND, LIST_OR, Wikimedia\Rdbms\IDatabase\makeList(), and Wikimedia\Rdbms\IDatabase\timestamp().

Referenced by countVisitingWatchersMultiple().

◆ getWatchedItem()

WatchedItemStore::getWatchedItem	(	User	$user,
		LinkTarget	$target )

Get an item (may be cached)

Parameters

User	$user
LinkTarget	$target

Returns: WatchedItem|false

Definition at line 432 of file WatchedItemStore.php.

References getCached(), and loadWatchedItem().

Referenced by isWatched().

◆ getWatchedItemsForUser()

WatchedItemStore::getWatchedItemsForUser	(	User	$user,
		array	$options = [] )

Parameters

User	$user
array	$options	Allowed keys: 'forWrite' => bool defaults to false 'sort' => string optional sorting by namespace ID and title one of the self::SORT_* constants

Returns: WatchedItem[]

Definition at line 491 of file WatchedItemStore.php.

References $options, $res, DB_MASTER, DB_REPLICA, false, and getConnectionRef().

◆ isWatched()

WatchedItemStore::isWatched	(	User	$user,
		LinkTarget	$target )

Must be called separately for Subject & Talk namespaces.

Parameters

User	$user
LinkTarget	$target

Returns: bool

Definition at line 537 of file WatchedItemStore.php.

References getWatchedItem().

◆ loadWatchedItem()

WatchedItemStore::loadWatchedItem	(	User	$user,
		LinkTarget	$target )

Loads an item from the db.

Parameters

User	$user
LinkTarget	$target

Returns: WatchedItem|false

Definition at line 454 of file WatchedItemStore.php.

References $dbr, cache, DB_REPLICA, dbCond(), getConnectionRef(), and wfTimestampOrNull().

Referenced by getNotificationTimestamp(), getWatchedItem(), and resetNotificationTimestamp().

◆ overrideDeferredUpdatesAddCallableUpdateCallback()

WatchedItemStore::overrideDeferredUpdatesAddCallableUpdateCallback ( callable $callback )

Overrides the DeferredUpdates::addCallableUpdate callback This is intended for use while testing and will fail if MW_PHPUNIT_TEST is not defined.

Parameters

callable $callback

See also: DeferredUpdates::addCallableUpdate for callback signiture

Returns: ScopedCallback to reset the overridden value

Exceptions

MWException

Definition at line 99 of file WatchedItemStore.php.

◆ overrideRevisionGetTimestampFromIdCallback()

WatchedItemStore::overrideRevisionGetTimestampFromIdCallback ( callable $callback )

Overrides the Revision::getTimestampFromId callback This is intended for use while testing and will fail if MW_PHPUNIT_TEST is not defined.

Parameters

callable $callback

See also: Revision::getTimestampFromId for callback signiture

Returns: ScopedCallback to reset the overridden value

Exceptions

MWException

Definition at line 122 of file WatchedItemStore.php.

◆ removeWatch()

WatchedItemStore::removeWatch	(	User	$user,
		LinkTarget	$target )

Removes the an entry for the User watching the LinkTarget Must be called separately for Subject & Talk namespaces.

Parameters

User	$user
LinkTarget	$target

Returns: bool success

Exceptions

DBUnexpectedError
MWException

Definition at line 669 of file WatchedItemStore.php.

References $success, DB_MASTER, getConnectionRef(), MediaWiki\Linker\LinkTarget\getDBkey(), MediaWiki\Linker\LinkTarget\getNamespace(), and uncache().

◆ resetNotificationTimestamp()

WatchedItemStore::resetNotificationTimestamp	(	User	$user,
		Title	$title,
			$force = '',
			$oldid = 0 )

Reset the notification timestamp of this entry.

Parameters

User	$user
Title	$title
string	$force	Whether to force the write query to be executed even if the page is not watched or the notification timestamp is already NULL. 'force' in order to force
int	$oldid	The revision id being viewed. If not given or 0, latest revision is assumed.

Returns: bool success

Definition at line 800 of file WatchedItemStore.php.

References $job, loadWatchedItem(), and uncache().

◆ setNotificationTimestampsForUser()

WatchedItemStore::setNotificationTimestampsForUser	(	User	$user,
			$timestamp,
		array	$targets = [] )

Parameters

User	$user	The user to set the timestamp for
string \| null	$timestamp	Set the update timestamp to this value
LinkTarget[]	$targets	List of targets to update. Default to all targets

Returns: bool success

Definition at line 697 of file WatchedItemStore.php.

References $batch, $success, DB_MASTER, getConnectionRef(), and uncacheUser().

◆ setStatsdDataFactory()

WatchedItemStore::setStatsdDataFactory ( StatsdDataFactoryInterface $statsFactory )

Sets a StatsdDataFactory instance on the object.

Parameters

StatsdDataFactoryInterface $statsFactory

Returns: null

Implements StatsdAwareInterface.

Definition at line 84 of file WatchedItemStore.php.

◆ uncache()

WatchedItemStore::uncache	(	User	$user,
		LinkTarget	$target )

private

Definition at line 152 of file WatchedItemStore.php.

References cache, getCacheKey(), MediaWiki\Linker\LinkTarget\getDBkey(), and MediaWiki\Linker\LinkTarget\getNamespace().

Referenced by addWatchBatchForUser(), removeWatch(), and resetNotificationTimestamp().

◆ uncacheLinkTarget()

WatchedItemStore::uncacheLinkTarget ( LinkTarget $target )

private

Definition at line 158 of file WatchedItemStore.php.

References cache, MediaWiki\Linker\LinkTarget\getDBkey(), and MediaWiki\Linker\LinkTarget\getNamespace().

Referenced by updateNotificationTimestamp().

◆ uncacheUser()

WatchedItemStore::uncacheUser ( User $user )

private

Definition at line 169 of file WatchedItemStore.php.

References cache.

Referenced by setNotificationTimestampsForUser().

◆ updateNotificationTimestamp()

WatchedItemStore::updateNotificationTimestamp	(	User	$editor,
		LinkTarget	$target,
			$timestamp )

Parameters

User	$editor	The editor that triggered the update. Their notification timestamp will not be updated(they have already seen it)
LinkTarget	$target	The target to update timestamps for
string	$timestamp	Set the update timestamp to this value

Returns: int[] Array of user IDs the timestamp has been updated for

Definition at line 735 of file WatchedItemStore.php.

References $editor, $fname, $wgUpdateRowsPerQuery, DB_MASTER, getConnectionRef(), MediaWiki\Linker\LinkTarget\getDBkey(), MediaWiki\Linker\LinkTarget\getNamespace(), and uncacheLinkTarget().

Member Data Documentation

◆ $cache

HashBagOStuff WatchedItemStore::$cache

private

Definition at line 41 of file WatchedItemStore.php.

◆ $cacheIndex

array [] WatchedItemStore::$cacheIndex = []

private

Looks like $cacheIndex[Namespace ID][Target DB Key][User Id] => 'key' The index is needed so that on mass changes all relevant items can be un-cached.

For example: Clearing a users watchlist of all items or updating notification timestamps for all users watching a single target.

Definition at line 49 of file WatchedItemStore.php.

◆ $deferredUpdatesAddCallableUpdateCallback

callable null WatchedItemStore::$deferredUpdatesAddCallableUpdateCallback

private

Definition at line 54 of file WatchedItemStore.php.

◆ $loadBalancer

LoadBalancer WatchedItemStore::$loadBalancer

private

Definition at line 31 of file WatchedItemStore.php.

◆ $readOnlyMode

ReadOnlyMode WatchedItemStore::$readOnlyMode

private

Definition at line 36 of file WatchedItemStore.php.

◆ $revisionGetTimestampFromIdCallback

callable null WatchedItemStore::$revisionGetTimestampFromIdCallback

private

Definition at line 59 of file WatchedItemStore.php.

◆ $stats

StatsdDataFactoryInterface WatchedItemStore::$stats

private

Definition at line 64 of file WatchedItemStore.php.

◆ SORT_ASC

const WatchedItemStore::SORT_ASC = 'ASC'

Definition at line 26 of file WatchedItemStore.php.

◆ SORT_DESC

const WatchedItemStore::SORT_DESC = 'DESC'

Definition at line 25 of file WatchedItemStore.php.

The documentation for this class was generated from the following file:

includes/WatchedItemStore.php

Public Member Functions

Public Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ addWatch()

◆ addWatchBatchForUser()

◆ cache()

◆ countUnreadNotifications()

◆ countVisitingWatchers()

◆ countVisitingWatchersMultiple()

◆ countWatchedItems()

◆ countWatchers()

◆ countWatchersMultiple()

◆ dbCond()

◆ duplicateAllAssociatedEntries()

◆ duplicateEntry()

◆ getCached()

◆ getCacheKey()

◆ getConnectionRef()

◆ getNotificationTimestamp()

◆ getNotificationTimestampsBatch()

◆ getVisitingWatchersCondition()

◆ getWatchedItem()

◆ getWatchedItemsForUser()

◆ isWatched()

◆ loadWatchedItem()

◆ overrideDeferredUpdatesAddCallableUpdateCallback()

◆ overrideRevisionGetTimestampFromIdCallback()

◆ removeWatch()

◆ resetNotificationTimestamp()

◆ setNotificationTimestampsForUser()

◆ setStatsdDataFactory()

◆ uncache()

◆ uncacheLinkTarget()

◆ uncacheUser()

◆ updateNotificationTimestamp()

Member Data Documentation

◆ $cache

◆ $cacheIndex

◆ $deferredUpdatesAddCallableUpdateCallback

◆ $loadBalancer

◆ $readOnlyMode

◆ $revisionGetTimestampFromIdCallback

◆ $stats

◆ SORT_ASC

◆ SORT_DESC