3 * Base representation for a MediaWiki page.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
24 * Abstract class for type hinting (accepts WikiPage, Article, ImagePage, CategoryPage)
30 * Class representing a MediaWiki article and history.
32 * Some fields are public only for backwards-compatibility. Use accessors.
33 * In the past, this class was part of Article.php and everything was public.
35 class WikiPage
implements Page
, IDBAccessObject
{
36 // Constants for $mDataLoadedFrom and related
41 public $mTitle = null;
46 public $mDataLoaded = false; // !< Boolean
47 public $mIsRedirect = false; // !< Boolean
48 public $mLatest = false; // !< Integer (false means "not loaded")
51 /** @var stdClass Map of cache fields (text, parser output, ect) for a proposed/new edit */
52 public $mPreparedEdit = false;
57 protected $mId = null;
60 * @var int One of the READ_* constants
62 protected $mDataLoadedFrom = self
::READ_NONE
;
67 protected $mRedirectTarget = null;
72 protected $mLastRevision = null;
75 * @var string Timestamp of the current revision or empty string if not loaded
77 protected $mTimestamp = '';
82 protected $mTouched = '19700101000000';
87 protected $mLinksUpdated = '19700101000000';
90 * Constructor and clear the article
91 * @param Title $title Reference to a Title object.
93 public function __construct( Title
$title ) {
94 $this->mTitle
= $title;
98 * Create a WikiPage object of the appropriate class for the given title.
100 * @param Title $title
102 * @throws MWException
103 * @return WikiPage Object of the appropriate type
105 public static function factory( Title
$title ) {
106 $ns = $title->getNamespace();
108 if ( $ns == NS_MEDIA
) {
109 throw new MWException( "NS_MEDIA is a virtual namespace; use NS_FILE." );
110 } elseif ( $ns < 0 ) {
111 throw new MWException( "Invalid or virtual namespace $ns given." );
116 $page = new WikiFilePage( $title );
119 $page = new WikiCategoryPage( $title );
122 $page = new WikiPage( $title );
129 * Constructor from a page id
131 * @param int $id Article ID to load
132 * @param string|int $from One of the following values:
133 * - "fromdb" or WikiPage::READ_NORMAL to select from a slave database
134 * - "fromdbmaster" or WikiPage::READ_LATEST to select from the master database
136 * @return WikiPage|null
138 public static function newFromID( $id, $from = 'fromdb' ) {
139 // page id's are never 0 or negative, see bug 61166
144 $from = self
::convertSelectType( $from );
145 $db = wfGetDB( $from === self
::READ_LATEST ? DB_MASTER
: DB_SLAVE
);
146 $row = $db->selectRow(
147 'page', self
::selectFields(), array( 'page_id' => $id ), __METHOD__
);
151 return self
::newFromRow( $row, $from );
155 * Constructor from a database row
158 * @param object $row Database row containing at least fields returned by selectFields().
159 * @param string|int $from Source of $data:
160 * - "fromdb" or WikiPage::READ_NORMAL: from a slave DB
161 * - "fromdbmaster" or WikiPage::READ_LATEST: from the master DB
162 * - "forupdate" or WikiPage::READ_LOCKING: from the master DB using SELECT FOR UPDATE
165 public static function newFromRow( $row, $from = 'fromdb' ) {
166 $page = self
::factory( Title
::newFromRow( $row ) );
167 $page->loadFromRow( $row, $from );
172 * Convert 'fromdb', 'fromdbmaster' and 'forupdate' to READ_* constants.
174 * @param object|string|int $type
177 private static function convertSelectType( $type ) {
180 return self
::READ_NORMAL
;
182 return self
::READ_LATEST
;
184 return self
::READ_LOCKING
;
186 // It may already be an integer or whatever else
192 * Returns overrides for action handlers.
193 * Classes listed here will be used instead of the default one when
194 * (and only when) $wgActions[$action] === true. This allows subclasses
195 * to override the default behavior.
197 * @todo Move this UI stuff somewhere else
201 public function getActionOverrides() {
202 $content_handler = $this->getContentHandler();
203 return $content_handler->getActionOverrides();
207 * Returns the ContentHandler instance to be used to deal with the content of this WikiPage.
209 * Shorthand for ContentHandler::getForModelID( $this->getContentModel() );
211 * @return ContentHandler
215 public function getContentHandler() {
216 return ContentHandler
::getForModelID( $this->getContentModel() );
220 * Get the title object of the article
221 * @return Title Title object of this page
223 public function getTitle() {
224 return $this->mTitle
;
231 public function clear() {
232 $this->mDataLoaded
= false;
233 $this->mDataLoadedFrom
= self
::READ_NONE
;
235 $this->clearCacheFields();
239 * Clear the object cache fields
242 protected function clearCacheFields() {
244 $this->mRedirectTarget
= null; // Title object if set
245 $this->mLastRevision
= null; // Latest revision
246 $this->mTouched
= '19700101000000';
247 $this->mLinksUpdated
= '19700101000000';
248 $this->mTimestamp
= '';
249 $this->mIsRedirect
= false;
250 $this->mLatest
= false;
251 // Bug 57026: do not clear mPreparedEdit since prepareTextForEdit() already checks
252 // the requested rev ID and content against the cached one for equality. For most
253 // content types, the output should not change during the lifetime of this cache.
254 // Clearing it can cause extra parses on edit for no reason.
258 * Clear the mPreparedEdit cache field, as may be needed by mutable content types
262 public function clearPreparedEdit() {
263 $this->mPreparedEdit
= false;
267 * Return the list of revision fields that should be selected to create
272 public static function selectFields() {
273 global $wgContentHandlerUseDB, $wgPageLanguageUseDB;
284 'page_links_updated',
289 if ( $wgContentHandlerUseDB ) {
290 $fields[] = 'page_content_model';
293 if ( $wgPageLanguageUseDB ) {
294 $fields[] = 'page_lang';
301 * Fetch a page record with the given conditions
302 * @param IDatabase $dbr
303 * @param array $conditions
304 * @param array $options
305 * @return object|bool Database result resource, or false on failure
307 protected function pageData( $dbr, $conditions, $options = array() ) {
308 $fields = self
::selectFields();
310 Hooks
::run( 'ArticlePageDataBefore', array( &$this, &$fields ) );
312 $row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__
, $options );
314 Hooks
::run( 'ArticlePageDataAfter', array( &$this, &$row ) );
320 * Fetch a page record matching the Title object's namespace and title
321 * using a sanitized title string
323 * @param IDatabase $dbr
324 * @param Title $title
325 * @param array $options
326 * @return object|bool Database result resource, or false on failure
328 public function pageDataFromTitle( $dbr, $title, $options = array() ) {
329 return $this->pageData( $dbr, array(
330 'page_namespace' => $title->getNamespace(),
331 'page_title' => $title->getDBkey() ), $options );
335 * Fetch a page record matching the requested ID
337 * @param IDatabase $dbr
339 * @param array $options
340 * @return object|bool Database result resource, or false on failure
342 public function pageDataFromId( $dbr, $id, $options = array() ) {
343 return $this->pageData( $dbr, array( 'page_id' => $id ), $options );
347 * Load the object from a given source by title
349 * @param object|string|int $from One of the following:
350 * - A DB query result object.
351 * - "fromdb" or WikiPage::READ_NORMAL to get from a slave DB.
352 * - "fromdbmaster" or WikiPage::READ_LATEST to get from the master DB.
353 * - "forupdate" or WikiPage::READ_LOCKING to get from the master DB
354 * using SELECT FOR UPDATE.
358 public function loadPageData( $from = 'fromdb' ) {
359 $from = self
::convertSelectType( $from );
360 if ( is_int( $from ) && $from <= $this->mDataLoadedFrom
) {
361 // We already have the data from the correct location, no need to load it twice.
365 if ( is_int( $from ) ) {
366 list( $index, $opts ) = DBAccessObjectUtils
::getDBOptions( $from );
367 $data = $this->pageDataFromTitle( wfGetDB( $index ), $this->mTitle
, $opts );
370 && $index == DB_SLAVE
371 && wfGetLB()->getServerCount() > 1
372 && wfGetLB()->hasOrMadeRecentMasterChanges()
374 $from = self
::READ_LATEST
;
375 list( $index, $opts ) = DBAccessObjectUtils
::getDBOptions( $from );
376 $data = $this->pageDataFromTitle( wfGetDB( $index ), $this->mTitle
, $opts );
379 // No idea from where the caller got this data, assume slave database.
381 $from = self
::READ_NORMAL
;
384 $this->loadFromRow( $data, $from );
388 * Load the object from a database row
391 * @param object|bool $data DB row containing fields returned by selectFields() or false
392 * @param string|int $from One of the following:
393 * - "fromdb" or WikiPage::READ_NORMAL if the data comes from a slave DB
394 * - "fromdbmaster" or WikiPage::READ_LATEST if the data comes from the master DB
395 * - "forupdate" or WikiPage::READ_LOCKING if the data comes from
396 * the master DB using SELECT FOR UPDATE
398 public function loadFromRow( $data, $from ) {
399 $lc = LinkCache
::singleton();
400 $lc->clearLink( $this->mTitle
);
403 $lc->addGoodLinkObjFromRow( $this->mTitle
, $data );
405 $this->mTitle
->loadFromRow( $data );
407 // Old-fashioned restrictions
408 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
410 $this->mId
= intval( $data->page_id
);
411 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
412 $this->mLinksUpdated
= wfTimestampOrNull( TS_MW
, $data->page_links_updated
);
413 $this->mIsRedirect
= intval( $data->page_is_redirect
);
414 $this->mLatest
= intval( $data->page_latest
);
415 // Bug 37225: $latest may no longer match the cached latest Revision object.
416 // Double-check the ID of any cached latest Revision object for consistency.
417 if ( $this->mLastRevision
&& $this->mLastRevision
->getId() != $this->mLatest
) {
418 $this->mLastRevision
= null;
419 $this->mTimestamp
= '';
422 $lc->addBadLinkObj( $this->mTitle
);
424 $this->mTitle
->loadFromRow( false );
426 $this->clearCacheFields();
431 $this->mDataLoaded
= true;
432 $this->mDataLoadedFrom
= self
::convertSelectType( $from );
436 * @return int Page ID
438 public function getId() {
439 if ( !$this->mDataLoaded
) {
440 $this->loadPageData();
446 * @return bool Whether or not the page exists in the database
448 public function exists() {
449 if ( !$this->mDataLoaded
) {
450 $this->loadPageData();
452 return $this->mId
> 0;
456 * Check if this page is something we're going to be showing
457 * some sort of sensible content for. If we return false, page
458 * views (plain action=view) will return an HTTP 404 response,
459 * so spiders and robots can know they're following a bad link.
463 public function hasViewableContent() {
464 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
468 * Tests if the article content represents a redirect
472 public function isRedirect() {
473 if ( !$this->mDataLoaded
) {
474 $this->loadPageData();
477 return (bool)$this->mIsRedirect
;
481 * Returns the page's content model id (see the CONTENT_MODEL_XXX constants).
483 * Will use the revisions actual content model if the page exists,
484 * and the page's default if the page doesn't exist yet.
490 public function getContentModel() {
491 if ( $this->exists() ) {
492 // look at the revision's actual content model
493 $rev = $this->getRevision();
495 if ( $rev !== null ) {
496 return $rev->getContentModel();
498 $title = $this->mTitle
->getPrefixedDBkey();
499 wfWarn( "Page $title exists but has no (visible) revisions!" );
503 // use the default model for this page
504 return $this->mTitle
->getContentModel();
508 * Loads page_touched and returns a value indicating if it should be used
509 * @return bool True if not a redirect
511 public function checkTouched() {
512 if ( !$this->mDataLoaded
) {
513 $this->loadPageData();
515 return !$this->mIsRedirect
;
519 * Get the page_touched field
520 * @return string Containing GMT timestamp
522 public function getTouched() {
523 if ( !$this->mDataLoaded
) {
524 $this->loadPageData();
526 return $this->mTouched
;
530 * Get the page_links_updated field
531 * @return string|null Containing GMT timestamp
533 public function getLinksTimestamp() {
534 if ( !$this->mDataLoaded
) {
535 $this->loadPageData();
537 return $this->mLinksUpdated
;
541 * Get the page_latest field
542 * @return int The rev_id of current revision
544 public function getLatest() {
545 if ( !$this->mDataLoaded
) {
546 $this->loadPageData();
548 return (int)$this->mLatest
;
552 * Get the Revision object of the oldest revision
553 * @return Revision|null
555 public function getOldestRevision() {
557 // Try using the slave database first, then try the master
559 $db = wfGetDB( DB_SLAVE
);
560 $revSelectFields = Revision
::selectFields();
563 while ( $continue ) {
564 $row = $db->selectRow(
565 array( 'page', 'revision' ),
568 'page_namespace' => $this->mTitle
->getNamespace(),
569 'page_title' => $this->mTitle
->getDBkey(),
574 'ORDER BY' => 'rev_timestamp ASC'
581 $db = wfGetDB( DB_MASTER
);
586 return $row ? Revision
::newFromRow( $row ) : null;
590 * Loads everything except the text
591 * This isn't necessary for all uses, so it's only done if needed.
593 protected function loadLastEdit() {
594 if ( $this->mLastRevision
!== null ) {
595 return; // already loaded
598 $latest = $this->getLatest();
600 return; // page doesn't exist or is missing page_latest info
603 if ( $this->mDataLoadedFrom
== self
::READ_LOCKING
) {
604 // Bug 37225: if session S1 loads the page row FOR UPDATE, the result always
605 // includes the latest changes committed. This is true even within REPEATABLE-READ
606 // transactions, where S1 normally only sees changes committed before the first S1
607 // SELECT. Thus we need S1 to also gets the revision row FOR UPDATE; otherwise, it
608 // may not find it since a page row UPDATE and revision row INSERT by S2 may have
609 // happened after the first S1 SELECT.
610 // http://dev.mysql.com/doc/refman/5.0/en/set-transaction.html#isolevel_repeatable-read
611 $flags = Revision
::READ_LOCKING
;
612 } elseif ( $this->mDataLoadedFrom
== self
::READ_LATEST
) {
613 // Bug T93976: if page_latest was loaded from the master, fetch the
614 // revision from there as well, as it may not exist yet on a slave DB.
615 // Also, this keeps the queries in the same REPEATABLE-READ snapshot.
616 $flags = Revision
::READ_LATEST
;
620 $revision = Revision
::newFromPageId( $this->getId(), $latest, $flags );
621 if ( $revision ) { // sanity
622 $this->setLastEdit( $revision );
627 * Set the latest revision
628 * @param Revision $revision
630 protected function setLastEdit( Revision
$revision ) {
631 $this->mLastRevision
= $revision;
632 $this->mTimestamp
= $revision->getTimestamp();
636 * Get the latest revision
637 * @return Revision|null
639 public function getRevision() {
640 $this->loadLastEdit();
641 if ( $this->mLastRevision
) {
642 return $this->mLastRevision
;
648 * Get the content of the current revision. No side-effects...
650 * @param int $audience One of:
651 * Revision::FOR_PUBLIC to be displayed to all users
652 * Revision::FOR_THIS_USER to be displayed to $wgUser
653 * Revision::RAW get the text regardless of permissions
654 * @param User $user User object to check for, only if FOR_THIS_USER is passed
655 * to the $audience parameter
656 * @return Content|null The content of the current revision
660 public function getContent( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
661 $this->loadLastEdit();
662 if ( $this->mLastRevision
) {
663 return $this->mLastRevision
->getContent( $audience, $user );
669 * Get the text of the current revision. No side-effects...
671 * @param int $audience One of:
672 * Revision::FOR_PUBLIC to be displayed to all users
673 * Revision::FOR_THIS_USER to be displayed to the given user
674 * Revision::RAW get the text regardless of permissions
675 * @param User $user User object to check for, only if FOR_THIS_USER is passed
676 * to the $audience parameter
677 * @return string|bool The text of the current revision
678 * @deprecated since 1.21, getContent() should be used instead.
680 public function getText( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
681 ContentHandler
::deprecated( __METHOD__
, '1.21' );
683 $this->loadLastEdit();
684 if ( $this->mLastRevision
) {
685 return $this->mLastRevision
->getText( $audience, $user );
691 * Get the text of the current revision. No side-effects...
693 * @return string|bool The text of the current revision. False on failure
694 * @deprecated since 1.21, getContent() should be used instead.
696 public function getRawText() {
697 ContentHandler
::deprecated( __METHOD__
, '1.21' );
699 return $this->getText( Revision
::RAW
);
703 * @return string MW timestamp of last article revision
705 public function getTimestamp() {
706 // Check if the field has been filled by WikiPage::setTimestamp()
707 if ( !$this->mTimestamp
) {
708 $this->loadLastEdit();
711 return wfTimestamp( TS_MW
, $this->mTimestamp
);
715 * Set the page timestamp (use only to avoid DB queries)
716 * @param string $ts MW timestamp of last article revision
719 public function setTimestamp( $ts ) {
720 $this->mTimestamp
= wfTimestamp( TS_MW
, $ts );
724 * @param int $audience One of:
725 * Revision::FOR_PUBLIC to be displayed to all users
726 * Revision::FOR_THIS_USER to be displayed to the given user
727 * Revision::RAW get the text regardless of permissions
728 * @param User $user User object to check for, only if FOR_THIS_USER is passed
729 * to the $audience parameter
730 * @return int User ID for the user that made the last article revision
732 public function getUser( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
733 $this->loadLastEdit();
734 if ( $this->mLastRevision
) {
735 return $this->mLastRevision
->getUser( $audience, $user );
742 * Get the User object of the user who created the page
743 * @param int $audience One of:
744 * Revision::FOR_PUBLIC to be displayed to all users
745 * Revision::FOR_THIS_USER to be displayed to the given user
746 * Revision::RAW get the text regardless of permissions
747 * @param User $user User object to check for, only if FOR_THIS_USER is passed
748 * to the $audience parameter
751 public function getCreator( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
752 $revision = $this->getOldestRevision();
754 $userName = $revision->getUserText( $audience, $user );
755 return User
::newFromName( $userName, false );
762 * @param int $audience One of:
763 * Revision::FOR_PUBLIC to be displayed to all users
764 * Revision::FOR_THIS_USER to be displayed to the given user
765 * Revision::RAW get the text regardless of permissions
766 * @param User $user User object to check for, only if FOR_THIS_USER is passed
767 * to the $audience parameter
768 * @return string Username of the user that made the last article revision
770 public function getUserText( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
771 $this->loadLastEdit();
772 if ( $this->mLastRevision
) {
773 return $this->mLastRevision
->getUserText( $audience, $user );
780 * @param int $audience One of:
781 * Revision::FOR_PUBLIC to be displayed to all users
782 * Revision::FOR_THIS_USER to be displayed to the given user
783 * Revision::RAW get the text regardless of permissions
784 * @param User $user User object to check for, only if FOR_THIS_USER is passed
785 * to the $audience parameter
786 * @return string Comment stored for the last article revision
788 public function getComment( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
789 $this->loadLastEdit();
790 if ( $this->mLastRevision
) {
791 return $this->mLastRevision
->getComment( $audience, $user );
798 * Returns true if last revision was marked as "minor edit"
800 * @return bool Minor edit indicator for the last article revision.
802 public function getMinorEdit() {
803 $this->loadLastEdit();
804 if ( $this->mLastRevision
) {
805 return $this->mLastRevision
->isMinor();
812 * Determine whether a page would be suitable for being counted as an
813 * article in the site_stats table based on the title & its content
815 * @param object|bool $editInfo (false): object returned by prepareTextForEdit(),
816 * if false, the current database state will be used
819 public function isCountable( $editInfo = false ) {
820 global $wgArticleCountMethod;
822 if ( !$this->mTitle
->isContentPage() ) {
827 $content = $editInfo->pstContent
;
829 $content = $this->getContent();
832 if ( !$content ||
$content->isRedirect() ) {
838 if ( $wgArticleCountMethod === 'link' ) {
839 // nasty special case to avoid re-parsing to detect links
842 // ParserOutput::getLinks() is a 2D array of page links, so
843 // to be really correct we would need to recurse in the array
844 // but the main array should only have items in it if there are
846 $hasLinks = (bool)count( $editInfo->output
->getLinks() );
848 $hasLinks = (bool)wfGetDB( DB_SLAVE
)->selectField( 'pagelinks', 1,
849 array( 'pl_from' => $this->getId() ), __METHOD__
);
853 return $content->isCountable( $hasLinks );
857 * If this page is a redirect, get its target
859 * The target will be fetched from the redirect table if possible.
860 * If this page doesn't have an entry there, call insertRedirect()
861 * @return Title|null Title object, or null if this page is not a redirect
863 public function getRedirectTarget() {
864 if ( !$this->mTitle
->isRedirect() ) {
868 if ( $this->mRedirectTarget
!== null ) {
869 return $this->mRedirectTarget
;
872 // Query the redirect table
873 $dbr = wfGetDB( DB_SLAVE
);
874 $row = $dbr->selectRow( 'redirect',
875 array( 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ),
876 array( 'rd_from' => $this->getId() ),
880 // rd_fragment and rd_interwiki were added later, populate them if empty
881 if ( $row && !is_null( $row->rd_fragment
) && !is_null( $row->rd_interwiki
) ) {
882 $this->mRedirectTarget
= Title
::makeTitle(
883 $row->rd_namespace
, $row->rd_title
,
884 $row->rd_fragment
, $row->rd_interwiki
);
885 return $this->mRedirectTarget
;
888 // This page doesn't have an entry in the redirect table
889 $this->mRedirectTarget
= $this->insertRedirect();
890 return $this->mRedirectTarget
;
894 * Insert an entry for this page into the redirect table.
896 * Don't call this function directly unless you know what you're doing.
897 * @return Title|null Title object or null if not a redirect
899 public function insertRedirect() {
900 // recurse through to only get the final target
901 $content = $this->getContent();
902 $retval = $content ?
$content->getUltimateRedirectTarget() : null;
906 $this->insertRedirectEntry( $retval );
911 * Insert or update the redirect table entry for this page to indicate
912 * it redirects to $rt .
913 * @param Title $rt Redirect target
915 public function insertRedirectEntry( $rt ) {
916 $dbw = wfGetDB( DB_MASTER
);
917 $dbw->replace( 'redirect', array( 'rd_from' ),
919 'rd_from' => $this->getId(),
920 'rd_namespace' => $rt->getNamespace(),
921 'rd_title' => $rt->getDBkey(),
922 'rd_fragment' => $rt->getFragment(),
923 'rd_interwiki' => $rt->getInterwiki(),
930 * Get the Title object or URL this page redirects to
932 * @return bool|Title|string False, Title of in-wiki target, or string with URL
934 public function followRedirect() {
935 return $this->getRedirectURL( $this->getRedirectTarget() );
939 * Get the Title object or URL to use for a redirect. We use Title
940 * objects for same-wiki, non-special redirects and URLs for everything
942 * @param Title $rt Redirect target
943 * @return bool|Title|string False, Title object of local target, or string with URL
945 public function getRedirectURL( $rt ) {
950 if ( $rt->isExternal() ) {
951 if ( $rt->isLocal() ) {
952 // Offsite wikis need an HTTP redirect.
953 // This can be hard to reverse and may produce loops,
954 // so they may be disabled in the site configuration.
955 $source = $this->mTitle
->getFullURL( 'redirect=no' );
956 return $rt->getFullURL( array( 'rdfrom' => $source ) );
958 // External pages without "local" bit set are not valid
964 if ( $rt->isSpecialPage() ) {
965 // Gotta handle redirects to special pages differently:
966 // Fill the HTTP response "Location" header and ignore the rest of the page we're on.
967 // Some pages are not valid targets.
968 if ( $rt->isValidRedirectTarget() ) {
969 return $rt->getFullURL();
979 * Get a list of users who have edited this article, not including the user who made
980 * the most recent revision, which you can get from $article->getUser() if you want it
981 * @return UserArrayFromResult
983 public function getContributors() {
984 // @todo FIXME: This is expensive; cache this info somewhere.
986 $dbr = wfGetDB( DB_SLAVE
);
988 if ( $dbr->implicitGroupby() ) {
989 $realNameField = 'user_real_name';
991 $realNameField = 'MIN(user_real_name) AS user_real_name';
994 $tables = array( 'revision', 'user' );
997 'user_id' => 'rev_user',
998 'user_name' => 'rev_user_text',
1000 'timestamp' => 'MAX(rev_timestamp)',
1003 $conds = array( 'rev_page' => $this->getId() );
1005 // The user who made the top revision gets credited as "this page was last edited by
1006 // John, based on contributions by Tom, Dick and Harry", so don't include them twice.
1007 $user = $this->getUser();
1009 $conds[] = "rev_user != $user";
1011 $conds[] = "rev_user_text != {$dbr->addQuotes( $this->getUserText() )}";
1015 $conds[] = "{$dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER )} = 0";
1018 'user' => array( 'LEFT JOIN', 'rev_user = user_id' ),
1022 'GROUP BY' => array( 'rev_user', 'rev_user_text' ),
1023 'ORDER BY' => 'timestamp DESC',
1026 $res = $dbr->select( $tables, $fields, $conds, __METHOD__
, $options, $jconds );
1027 return new UserArrayFromResult( $res );
1031 * Get the last N authors
1032 * @param int $num Number of revisions to get
1033 * @param int|string $revLatest The latest rev_id, selected from the master (optional)
1034 * @return array Array of authors, duplicates not removed
1036 public function getLastNAuthors( $num, $revLatest = 0 ) {
1037 // First try the slave
1038 // If that doesn't have the latest revision, try the master
1040 $db = wfGetDB( DB_SLAVE
);
1043 $res = $db->select( array( 'page', 'revision' ),
1044 array( 'rev_id', 'rev_user_text' ),
1046 'page_namespace' => $this->mTitle
->getNamespace(),
1047 'page_title' => $this->mTitle
->getDBkey(),
1048 'rev_page = page_id'
1051 'ORDER BY' => 'rev_timestamp DESC',
1060 $row = $db->fetchObject( $res );
1062 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
1063 $db = wfGetDB( DB_MASTER
);
1068 } while ( $continue );
1070 $authors = array( $row->rev_user_text
);
1072 foreach ( $res as $row ) {
1073 $authors[] = $row->rev_user_text
;
1080 * Should the parser cache be used?
1082 * @param ParserOptions $parserOptions ParserOptions to check
1086 public function shouldCheckParserCache( ParserOptions
$parserOptions, $oldId ) {
1087 return $parserOptions->getStubThreshold() == 0
1089 && ( $oldId === null ||
$oldId === 0 ||
$oldId === $this->getLatest() )
1090 && $this->getContentHandler()->isParserCacheSupported();
1094 * Get a ParserOutput for the given ParserOptions and revision ID.
1095 * The parser cache will be used if possible.
1098 * @param ParserOptions $parserOptions ParserOptions to use for the parse operation
1099 * @param null|int $oldid Revision ID to get the text from, passing null or 0 will
1100 * get the current revision (default value)
1102 * @return ParserOutput|bool ParserOutput or false if the revision was not found
1104 public function getParserOutput( ParserOptions
$parserOptions, $oldid = null ) {
1106 $useParserCache = $this->shouldCheckParserCache( $parserOptions, $oldid );
1107 wfDebug( __METHOD__
.
1108 ': using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
1109 if ( $parserOptions->getStubThreshold() ) {
1110 wfIncrStats( 'pcache.miss.stub' );
1113 if ( $useParserCache ) {
1114 $parserOutput = ParserCache
::singleton()->get( $this, $parserOptions );
1115 if ( $parserOutput !== false ) {
1116 return $parserOutput;
1120 if ( $oldid === null ||
$oldid === 0 ) {
1121 $oldid = $this->getLatest();
1124 $pool = new PoolWorkArticleView( $this, $parserOptions, $oldid, $useParserCache );
1127 return $pool->getParserOutput();
1131 * Do standard deferred updates after page view (existing or missing page)
1132 * @param User $user The relevant user
1133 * @param int $oldid Revision id being viewed; if not given or 0, latest revision is assumed
1135 public function doViewUpdates( User
$user, $oldid = 0 ) {
1136 if ( wfReadOnly() ) {
1140 Hooks
::run( 'PageViewUpdates', array( $this, $user ) );
1141 // Update newtalk / watchlist notification status
1143 $user->clearNotification( $this->mTitle
, $oldid );
1144 } catch ( DBError
$e ) {
1145 // Avoid outage if the master is not reachable
1146 MWExceptionHandler
::logException( $e );
1151 * Perform the actions of a page purging
1154 public function doPurge() {
1155 if ( !Hooks
::run( 'ArticlePurge', array( &$this ) ) ) {
1159 $title = $this->mTitle
;
1160 wfGetDB( DB_MASTER
)->onTransactionIdle( function() use ( $title ) {
1162 // Invalidate the cache in auto-commit mode
1163 $title->invalidateCache();
1164 if ( $wgUseSquid ) {
1165 // Send purge now that page_touched update was committed above
1166 $update = SquidUpdate
::newSimplePurge( $title );
1167 $update->doUpdate();
1171 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1172 // @todo move this logic to MessageCache
1173 if ( $this->exists() ) {
1174 // NOTE: use transclusion text for messages.
1175 // This is consistent with MessageCache::getMsgFromNamespace()
1177 $content = $this->getContent();
1178 $text = $content === null ?
null : $content->getWikitextForTransclusion();
1180 if ( $text === null ) {
1187 MessageCache
::singleton()->replace( $this->mTitle
->getDBkey(), $text );
1193 * Insert a new empty page record for this article.
1194 * This *must* be followed up by creating a revision
1195 * and running $this->updateRevisionOn( ... );
1196 * or else the record will be left in a funky state.
1197 * Best if all done inside a transaction.
1199 * @param IDatabase $dbw
1200 * @return int|bool The newly created page_id key; false if the title already existed
1202 public function insertOn( $dbw ) {
1206 'page_id' => $dbw->nextSequenceValue( 'page_page_id_seq' ),
1207 'page_namespace' => $this->mTitle
->getNamespace(),
1208 'page_title' => $this->mTitle
->getDBkey(),
1209 'page_restrictions' => '',
1210 'page_is_redirect' => 0, // Will set this shortly...
1212 'page_random' => wfRandom(),
1213 'page_touched' => $dbw->timestamp(),
1214 'page_latest' => 0, // Fill this in shortly...
1215 'page_len' => 0, // Fill this in shortly...
1221 if ( $dbw->affectedRows() > 0 ) {
1222 $newid = $dbw->insertId();
1223 $this->mId
= $newid;
1224 $this->mTitle
->resetArticleID( $newid );
1228 return false; // nothing changed
1233 * Update the page record to point to a newly saved revision.
1235 * @param IDatabase $dbw
1236 * @param Revision $revision For ID number, and text used to set
1237 * length and redirect status fields
1238 * @param int $lastRevision If given, will not overwrite the page field
1239 * when different from the currently set value.
1240 * Giving 0 indicates the new page flag should be set on.
1241 * @param bool $lastRevIsRedirect If given, will optimize adding and
1242 * removing rows in redirect table.
1243 * @return bool True on success, false on failure
1245 public function updateRevisionOn( $dbw, $revision, $lastRevision = null,
1246 $lastRevIsRedirect = null
1248 global $wgContentHandlerUseDB;
1250 // Assertion to try to catch T92046
1251 if ( (int)$revision->getId() === 0 ) {
1252 throw new InvalidArgumentException(
1253 __METHOD__
. ': Revision has ID ' . var_export( $revision->getId(), 1 )
1257 $content = $revision->getContent();
1258 $len = $content ?
$content->getSize() : 0;
1259 $rt = $content ?
$content->getUltimateRedirectTarget() : null;
1261 $conditions = array( 'page_id' => $this->getId() );
1263 if ( !is_null( $lastRevision ) ) {
1264 // An extra check against threads stepping on each other
1265 $conditions['page_latest'] = $lastRevision;
1268 $row = array( /* SET */
1269 'page_latest' => $revision->getId(),
1270 'page_touched' => $dbw->timestamp( $revision->getTimestamp() ),
1271 'page_is_new' => ( $lastRevision === 0 ) ?
1 : 0,
1272 'page_is_redirect' => $rt !== null ?
1 : 0,
1276 if ( $wgContentHandlerUseDB ) {
1277 $row['page_content_model'] = $revision->getContentModel();
1280 $dbw->update( 'page',
1285 $result = $dbw->affectedRows() > 0;
1287 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1288 $this->setLastEdit( $revision );
1289 $this->mLatest
= $revision->getId();
1290 $this->mIsRedirect
= (bool)$rt;
1291 // Update the LinkCache.
1292 LinkCache
::singleton()->addGoodLinkObj(
1298 $revision->getContentModel()
1306 * Add row to the redirect table if this is a redirect, remove otherwise.
1308 * @param IDatabase $dbw
1309 * @param Title $redirectTitle Title object pointing to the redirect target,
1310 * or NULL if this is not a redirect
1311 * @param null|bool $lastRevIsRedirect If given, will optimize adding and
1312 * removing rows in redirect table.
1313 * @return bool True on success, false on failure
1316 public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1317 // Always update redirects (target link might have changed)
1318 // Update/Insert if we don't know if the last revision was a redirect or not
1319 // Delete if changing from redirect to non-redirect
1320 $isRedirect = !is_null( $redirectTitle );
1322 if ( !$isRedirect && $lastRevIsRedirect === false ) {
1326 if ( $isRedirect ) {
1327 $this->insertRedirectEntry( $redirectTitle );
1329 // This is not a redirect, remove row from redirect table
1330 $where = array( 'rd_from' => $this->getId() );
1331 $dbw->delete( 'redirect', $where, __METHOD__
);
1334 if ( $this->getTitle()->getNamespace() == NS_FILE
) {
1335 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1338 return ( $dbw->affectedRows() != 0 );
1342 * If the given revision is newer than the currently set page_latest,
1343 * update the page record. Otherwise, do nothing.
1345 * @deprecated since 1.24, use updateRevisionOn instead
1347 * @param IDatabase $dbw
1348 * @param Revision $revision
1351 public function updateIfNewerOn( $dbw, $revision ) {
1353 $row = $dbw->selectRow(
1354 array( 'revision', 'page' ),
1355 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1357 'page_id' => $this->getId(),
1358 'page_latest=rev_id' ),
1362 if ( wfTimestamp( TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1365 $prev = $row->rev_id
;
1366 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1368 // No or missing previous revision; mark the page as new
1370 $lastRevIsRedirect = null;
1373 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1379 * Get the content that needs to be saved in order to undo all revisions
1380 * between $undo and $undoafter. Revisions must belong to the same page,
1381 * must exist and must not be deleted
1382 * @param Revision $undo
1383 * @param Revision $undoafter Must be an earlier revision than $undo
1384 * @return mixed String on success, false on failure
1386 * Before we had the Content object, this was done in getUndoText
1388 public function getUndoContent( Revision
$undo, Revision
$undoafter = null ) {
1389 $handler = $undo->getContentHandler();
1390 return $handler->getUndoContent( $this->getRevision(), $undo, $undoafter );
1394 * Get the text that needs to be saved in order to undo all revisions
1395 * between $undo and $undoafter. Revisions must belong to the same page,
1396 * must exist and must not be deleted
1397 * @param Revision $undo
1398 * @param Revision $undoafter Must be an earlier revision than $undo
1399 * @return string|bool String on success, false on failure
1400 * @deprecated since 1.21: use ContentHandler::getUndoContent() instead.
1402 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
1403 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1405 $this->loadLastEdit();
1407 if ( $this->mLastRevision
) {
1408 if ( is_null( $undoafter ) ) {
1409 $undoafter = $undo->getPrevious();
1412 $handler = $this->getContentHandler();
1413 $undone = $handler->getUndoContent( $this->mLastRevision
, $undo, $undoafter );
1418 return ContentHandler
::getContentText( $undone );
1426 * @param string|number|null|bool $sectionId Section identifier as a number or string
1427 * (e.g. 0, 1 or 'T-1'), null/false or an empty string for the whole page
1428 * or 'new' for a new section.
1429 * @param string $text New text of the section.
1430 * @param string $sectionTitle New section's subject, only if $section is "new".
1431 * @param string $edittime Revision timestamp or null to use the current revision.
1433 * @throws MWException
1434 * @return string|null New complete article text, or null if error.
1436 * @deprecated since 1.21, use replaceSectionAtRev() instead
1438 public function replaceSection( $sectionId, $text, $sectionTitle = '',
1441 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1443 // NOTE: keep condition in sync with condition in replaceSectionContent!
1444 if ( strval( $sectionId ) === '' ) {
1445 // Whole-page edit; let the whole text through
1449 if ( !$this->supportsSections() ) {
1450 throw new MWException( "sections not supported for content model " .
1451 $this->getContentHandler()->getModelID() );
1454 // could even make section title, but that's not required.
1455 $sectionContent = ContentHandler
::makeContent( $text, $this->getTitle() );
1457 $newContent = $this->replaceSectionContent( $sectionId, $sectionContent, $sectionTitle,
1460 return ContentHandler
::getContentText( $newContent );
1464 * Returns true if this page's content model supports sections.
1468 * @todo The skin should check this and not offer section functionality if
1469 * sections are not supported.
1470 * @todo The EditPage should check this and not offer section functionality
1471 * if sections are not supported.
1473 public function supportsSections() {
1474 return $this->getContentHandler()->supportsSections();
1478 * @param string|number|null|bool $sectionId Section identifier as a number or string
1479 * (e.g. 0, 1 or 'T-1'), null/false or an empty string for the whole page
1480 * or 'new' for a new section.
1481 * @param Content $sectionContent New content of the section.
1482 * @param string $sectionTitle New section's subject, only if $section is "new".
1483 * @param string $edittime Revision timestamp or null to use the current revision.
1485 * @throws MWException
1486 * @return Content|null New complete article content, or null if error.
1489 * @deprecated since 1.24, use replaceSectionAtRev instead
1491 public function replaceSectionContent(
1492 $sectionId, Content
$sectionContent, $sectionTitle = '', $edittime = null
1496 if ( $edittime && $sectionId !== 'new' ) {
1497 $dbr = wfGetDB( DB_SLAVE
);
1498 $rev = Revision
::loadFromTimestamp( $dbr, $this->mTitle
, $edittime );
1499 // Try the master if this thread may have just added it.
1500 // This could be abstracted into a Revision method, but we don't want
1501 // to encourage loading of revisions by timestamp.
1503 && wfGetLB()->getServerCount() > 1
1504 && wfGetLB()->hasOrMadeRecentMasterChanges()
1506 $dbw = wfGetDB( DB_MASTER
);
1507 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1510 $baseRevId = $rev->getId();
1514 return $this->replaceSectionAtRev( $sectionId, $sectionContent, $sectionTitle, $baseRevId );
1518 * @param string|number|null|bool $sectionId Section identifier as a number or string
1519 * (e.g. 0, 1 or 'T-1'), null/false or an empty string for the whole page
1520 * or 'new' for a new section.
1521 * @param Content $sectionContent New content of the section.
1522 * @param string $sectionTitle New section's subject, only if $section is "new".
1523 * @param int|null $baseRevId
1525 * @throws MWException
1526 * @return Content|null New complete article content, or null if error.
1530 public function replaceSectionAtRev( $sectionId, Content
$sectionContent,
1531 $sectionTitle = '', $baseRevId = null
1534 if ( strval( $sectionId ) === '' ) {
1535 // Whole-page edit; let the whole text through
1536 $newContent = $sectionContent;
1538 if ( !$this->supportsSections() ) {
1539 throw new MWException( "sections not supported for content model " .
1540 $this->getContentHandler()->getModelID() );
1543 // Bug 30711: always use current version when adding a new section
1544 if ( is_null( $baseRevId ) ||
$sectionId === 'new' ) {
1545 $oldContent = $this->getContent();
1547 $rev = Revision
::newFromId( $baseRevId );
1549 wfDebug( __METHOD__
. " asked for bogus section (page: " .
1550 $this->getId() . "; section: $sectionId)\n" );
1554 $oldContent = $rev->getContent();
1557 if ( !$oldContent ) {
1558 wfDebug( __METHOD__
. ": no page text\n" );
1562 $newContent = $oldContent->replaceSection( $sectionId, $sectionContent, $sectionTitle );
1569 * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
1571 * @return int Updated $flags
1573 public function checkFlags( $flags ) {
1574 if ( !( $flags & EDIT_NEW
) && !( $flags & EDIT_UPDATE
) ) {
1575 if ( $this->exists() ) {
1576 $flags |
= EDIT_UPDATE
;
1586 * Change an existing article or create a new article. Updates RC and all necessary caches,
1587 * optionally via the deferred update array.
1589 * @param string $text New text
1590 * @param string $summary Edit summary
1591 * @param int $flags Bitfield:
1593 * Article is known or assumed to be non-existent, create a new one
1595 * Article is known or assumed to be pre-existing, update it
1597 * Mark this edit minor, if the user is allowed to do so
1599 * Do not log the change in recentchanges
1601 * Mark the edit a "bot" edit regardless of user rights
1602 * EDIT_DEFER_UPDATES
1603 * Defer some of the updates until the end of index.php
1605 * Fill in blank summaries with generated text where possible
1607 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the
1608 * article will be detected. If EDIT_UPDATE is specified and the article
1609 * doesn't exist, the function will return an edit-gone-missing error. If
1610 * EDIT_NEW is specified and the article does exist, an edit-already-exists
1611 * error will be returned. These two conditions are also possible with
1612 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1614 * @param bool|int $baseRevId The revision ID this edit was based off, if any.
1615 * This is not the parent revision ID, rather the revision ID for older
1616 * content used as the source for a rollback, for example.
1617 * @param User $user The user doing the edit
1619 * @throws MWException
1620 * @return Status Possible errors:
1621 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't
1622 * set the fatal flag of $status
1623 * edit-gone-missing: In update mode, but the article didn't exist.
1624 * edit-conflict: In update mode, the article changed unexpectedly.
1625 * edit-no-change: Warning that the text was the same as before.
1626 * edit-already-exists: In creation mode, but the article already exists.
1628 * Extensions may define additional errors.
1630 * $return->value will contain an associative array with members as follows:
1631 * new: Boolean indicating if the function attempted to create a new article.
1632 * revision: The revision object for the inserted revision, or null.
1634 * Compatibility note: this function previously returned a boolean value
1635 * indicating success/failure
1637 * @deprecated since 1.21: use doEditContent() instead.
1639 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1640 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1642 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
1644 return $this->doEditContent( $content, $summary, $flags, $baseRevId, $user );
1648 * Change an existing article or create a new article. Updates RC and all necessary caches,
1649 * optionally via the deferred update array.
1651 * @param Content $content New content
1652 * @param string $summary Edit summary
1653 * @param int $flags Bitfield:
1655 * Article is known or assumed to be non-existent, create a new one
1657 * Article is known or assumed to be pre-existing, update it
1659 * Mark this edit minor, if the user is allowed to do so
1661 * Do not log the change in recentchanges
1663 * Mark the edit a "bot" edit regardless of user rights
1664 * EDIT_DEFER_UPDATES
1665 * Defer some of the updates until the end of index.php
1667 * Fill in blank summaries with generated text where possible
1669 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the
1670 * article will be detected. If EDIT_UPDATE is specified and the article
1671 * doesn't exist, the function will return an edit-gone-missing error. If
1672 * EDIT_NEW is specified and the article does exist, an edit-already-exists
1673 * error will be returned. These two conditions are also possible with
1674 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1676 * @param bool|int $baseRevId The revision ID this edit was based off, if any.
1677 * This is not the parent revision ID, rather the revision ID for older
1678 * content used as the source for a rollback, for example.
1679 * @param User $user The user doing the edit
1680 * @param string $serialFormat Format for storing the content in the
1683 * @throws MWException
1684 * @return Status Possible errors:
1685 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't
1686 * set the fatal flag of $status.
1687 * edit-gone-missing: In update mode, but the article didn't exist.
1688 * edit-conflict: In update mode, the article changed unexpectedly.
1689 * edit-no-change: Warning that the text was the same as before.
1690 * edit-already-exists: In creation mode, but the article already exists.
1692 * Extensions may define additional errors.
1694 * $return->value will contain an associative array with members as follows:
1695 * new: Boolean indicating if the function attempted to create a new article.
1696 * revision: The revision object for the inserted revision, or null.
1699 * @throws MWException
1701 public function doEditContent( Content
$content, $summary, $flags = 0, $baseRevId = false,
1702 User
$user = null, $serialFormat = null
1704 global $wgUser, $wgUseAutomaticEditSummaries, $wgUseRCPatrol, $wgUseNPPatrol;
1706 // Low-level sanity check
1707 if ( $this->mTitle
->getText() === '' ) {
1708 throw new MWException( 'Something is trying to edit an article with an empty title' );
1711 if ( !$content->getContentHandler()->canBeUsedOn( $this->getTitle() ) ) {
1712 return Status
::newFatal( 'content-not-allowed-here',
1713 ContentHandler
::getLocalizedName( $content->getModel() ),
1714 $this->getTitle()->getPrefixedText() );
1717 $user = is_null( $user ) ?
$wgUser : $user;
1718 $status = Status
::newGood( array() );
1720 // Load the data from the master database if needed.
1721 // The caller may already loaded it from the master or even loaded it using
1722 // SELECT FOR UPDATE, so do not override that using clear().
1723 $this->loadPageData( 'fromdbmaster' );
1725 $flags = $this->checkFlags( $flags );
1728 $hook_args = array( &$this, &$user, &$content, &$summary,
1729 $flags & EDIT_MINOR
, null, null, &$flags, &$status );
1731 if ( !Hooks
::run( 'PageContentSave', $hook_args )
1732 ||
!ContentHandler
::runLegacyHooks( 'ArticleSave', $hook_args ) ) {
1734 wfDebug( __METHOD__
. ": ArticleSave or ArticleSaveContent hook aborted save!\n" );
1736 if ( $status->isOK() ) {
1737 $status->fatal( 'edit-hook-aborted' );
1743 // Silently ignore EDIT_MINOR if not allowed
1744 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed( 'minoredit' );
1745 $bot = $flags & EDIT_FORCE_BOT
;
1747 $old_content = $this->getContent( Revision
::RAW
); // current revision's content
1749 $oldsize = $old_content ?
$old_content->getSize() : 0;
1750 $oldid = $this->getLatest();
1751 $oldIsRedirect = $this->isRedirect();
1752 $oldcountable = $this->isCountable();
1754 $handler = $content->getContentHandler();
1756 // Provide autosummaries if one is not provided and autosummaries are enabled.
1757 if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1758 if ( !$old_content ) {
1759 $old_content = null;
1761 $summary = $handler->getAutosummary( $old_content, $content, $flags );
1764 $editInfo = $this->prepareContentForEdit( $content, null, $user, $serialFormat );
1765 $serialized = $editInfo->pst
;
1768 * @var Content $content
1770 $content = $editInfo->pstContent
;
1771 $newsize = $content->getSize();
1773 $dbw = wfGetDB( DB_MASTER
);
1774 $now = wfTimestampNow();
1776 if ( $flags & EDIT_UPDATE
) {
1777 // Update article, but only if changed.
1778 $status->value
['new'] = false;
1781 // Article gone missing
1782 wfDebug( __METHOD__
. ": EDIT_UPDATE specified but article doesn't exist\n" );
1783 $status->fatal( 'edit-gone-missing' );
1786 } elseif ( !$old_content ) {
1787 // Sanity check for bug 37225
1788 throw new MWException( "Could not find text for current revision {$oldid}." );
1791 $revision = new Revision( array(
1792 'page' => $this->getId(),
1793 'title' => $this->getTitle(), // for determining the default content model
1794 'comment' => $summary,
1795 'minor_edit' => $isminor,
1796 'text' => $serialized,
1798 'parent_id' => $oldid,
1799 'user' => $user->getId(),
1800 'user_text' => $user->getName(),
1801 'timestamp' => $now,
1802 'content_model' => $content->getModel(),
1803 'content_format' => $serialFormat,
1804 ) ); // XXX: pass content object?!
1806 $changed = !$content->equals( $old_content );
1809 $dbw->begin( __METHOD__
);
1811 $prepStatus = $content->prepareSave( $this, $flags, $oldid, $user );
1812 $status->merge( $prepStatus );
1814 if ( !$status->isOK() ) {
1815 $dbw->rollback( __METHOD__
);
1819 $revisionId = $revision->insertOn( $dbw );
1822 // We check for conflicts by comparing $oldid with the current latest revision ID.
1823 $ok = $this->updateRevisionOn( $dbw, $revision, $oldid, $oldIsRedirect );
1826 // Belated edit conflict! Run away!!
1827 $status->fatal( 'edit-conflict' );
1829 $dbw->rollback( __METHOD__
);
1834 Hooks
::run( 'NewRevisionFromEditComplete',
1835 array( $this, $revision, $baseRevId, $user ) );
1837 // Update recentchanges
1838 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1839 // Mark as patrolled if the user can do so
1840 $patrolled = $wgUseRCPatrol && !count(
1841 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1842 // Add RC row to the DB
1843 RecentChange
::notifyEdit(
1844 $now, $this->mTitle
, $isminor, $user, $summary,
1845 $oldid, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1846 $revisionId, $patrolled
1850 $user->incEditCount();
1852 $dbw->commit( __METHOD__
);
1853 $this->mTimestamp
= $now;
1855 // Bug 32948: revision ID must be set to page {{REVISIONID}} and
1856 // related variables correctly
1857 $revision->setId( $this->getLatest() );
1860 // Update links tables, site stats, etc.
1861 $this->doEditUpdates(
1865 'changed' => $changed,
1866 'oldcountable' => $oldcountable
1871 $status->warning( 'edit-no-change' );
1873 // Update page_touched, this is usually implicit in the page update
1874 // Other cache updates are done in onArticleEdit()
1875 $this->mTitle
->invalidateCache( $now );
1878 // Create new article
1879 $status->value
['new'] = true;
1881 $dbw->begin( __METHOD__
);
1883 $prepStatus = $content->prepareSave( $this, $flags, $oldid, $user );
1884 $status->merge( $prepStatus );
1886 if ( !$status->isOK() ) {
1887 $dbw->rollback( __METHOD__
);
1892 $status->merge( $prepStatus );
1894 // Add the page record; stake our claim on this title!
1895 // This will return false if the article already exists
1896 $newid = $this->insertOn( $dbw );
1898 if ( $newid === false ) {
1899 $dbw->rollback( __METHOD__
);
1900 $status->fatal( 'edit-already-exists' );
1905 // Save the revision text...
1906 $revision = new Revision( array(
1908 'title' => $this->getTitle(), // for determining the default content model
1909 'comment' => $summary,
1910 'minor_edit' => $isminor,
1911 'text' => $serialized,
1913 'user' => $user->getId(),
1914 'user_text' => $user->getName(),
1915 'timestamp' => $now,
1916 'content_model' => $content->getModel(),
1917 'content_format' => $serialFormat,
1919 $revisionId = $revision->insertOn( $dbw );
1921 // Bug 37225: use accessor to get the text as Revision may trim it
1922 $content = $revision->getContent(); // sanity; get normalized version
1925 $newsize = $content->getSize();
1928 // Update the page record with revision data
1929 $this->updateRevisionOn( $dbw, $revision, 0 );
1931 Hooks
::run( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
1933 // Update recentchanges
1934 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1935 // Mark as patrolled if the user can do so
1936 $patrolled = ( $wgUseRCPatrol ||
$wgUseNPPatrol ) && !count(
1937 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1938 // Add RC row to the DB
1939 RecentChange
::notifyNew(
1940 $now, $this->mTitle
, $isminor, $user, $summary, $bot,
1941 '', $newsize, $revisionId, $patrolled
1945 $user->incEditCount();
1947 $dbw->commit( __METHOD__
);
1948 $this->mTimestamp
= $now;
1950 // Update links, etc.
1951 $this->doEditUpdates( $revision, $user, array( 'created' => true ) );
1953 $hook_args = array( &$this, &$user, $content, $summary,
1954 $flags & EDIT_MINOR
, null, null, &$flags, $revision );
1956 ContentHandler
::runLegacyHooks( 'ArticleInsertComplete', $hook_args );
1957 Hooks
::run( 'PageContentInsertComplete', $hook_args );
1960 // Do updates right now unless deferral was requested
1961 if ( !( $flags & EDIT_DEFER_UPDATES
) ) {
1962 DeferredUpdates
::doUpdates();
1965 // Return the new revision (or null) to the caller
1966 $status->value
['revision'] = $revision;
1968 $hook_args = array( &$this, &$user, $content, $summary,
1969 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId );
1971 ContentHandler
::runLegacyHooks( 'ArticleSaveComplete', $hook_args );
1972 Hooks
::run( 'PageContentSaveComplete', $hook_args );
1974 // Promote user to any groups they meet the criteria for
1975 DeferredUpdates
::addCallableUpdate( function () use ( $user ) {
1976 $user->addAutopromoteOnceGroups( 'onEdit' );
1977 $user->addAutopromoteOnceGroups( 'onView' ); // b/c
1984 * Get parser options suitable for rendering the primary article wikitext
1986 * @see ContentHandler::makeParserOptions
1988 * @param IContextSource|User|string $context One of the following:
1989 * - IContextSource: Use the User and the Language of the provided
1991 * - User: Use the provided User object and $wgLang for the language,
1992 * so use an IContextSource object if possible.
1993 * - 'canonical': Canonical options (anonymous user with default
1994 * preferences and content language).
1995 * @return ParserOptions
1997 public function makeParserOptions( $context ) {
1998 $options = $this->getContentHandler()->makeParserOptions( $context );
2000 if ( $this->getTitle()->isConversionTable() ) {
2001 // @todo ConversionTable should become a separate content model, so
2002 // we don't need special cases like this one.
2003 $options->disableContentConversion();
2010 * Prepare text which is about to be saved.
2011 * Returns a stdClass with source, pst and output members
2013 * @deprecated since 1.21: use prepareContentForEdit instead.
2016 public function prepareTextForEdit( $text, $revid = null, User
$user = null ) {
2017 ContentHandler
::deprecated( __METHOD__
, '1.21' );
2018 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
2019 return $this->prepareContentForEdit( $content, $revid, $user );
2023 * Prepare content which is about to be saved.
2024 * Returns a stdClass with source, pst and output members
2026 * @param Content $content
2027 * @param Revision|int|null $revision Revision object. For backwards compatibility, a
2028 * revision ID is also accepted, but this is deprecated.
2029 * @param User|null $user
2030 * @param string|null $serialFormat
2031 * @param bool $useCache Check shared prepared edit cache
2037 public function prepareContentForEdit(
2038 Content
$content, $revision = null, User
$user = null,
2039 $serialFormat = null, $useCache = true
2041 global $wgContLang, $wgUser, $wgAjaxEditStash;
2043 if ( is_object( $revision ) ) {
2044 $revid = $revision->getId();
2047 // This code path is deprecated, and nothing is known to
2048 // use it, so performance here shouldn't be a worry.
2049 if ( $revid !== null ) {
2050 $revision = Revision
::newFromId( $revid, Revision
::READ_LATEST
);
2056 $user = is_null( $user ) ?
$wgUser : $user;
2057 // XXX: check $user->getId() here???
2059 // Use a sane default for $serialFormat, see bug 57026
2060 if ( $serialFormat === null ) {
2061 $serialFormat = $content->getContentHandler()->getDefaultFormat();
2064 if ( $this->mPreparedEdit
2065 && $this->mPreparedEdit
->newContent
2066 && $this->mPreparedEdit
->newContent
->equals( $content )
2067 && $this->mPreparedEdit
->revid
== $revid
2068 && $this->mPreparedEdit
->format
== $serialFormat
2069 // XXX: also check $user here?
2072 return $this->mPreparedEdit
;
2075 // The edit may have already been prepared via api.php?action=stashedit
2076 $cachedEdit = $useCache && $wgAjaxEditStash && !$user->isAllowed( 'bot' )
2077 ? ApiStashEdit
::checkCache( $this->getTitle(), $content, $user )
2080 $popts = ParserOptions
::newFromUserAndLang( $user, $wgContLang );
2081 Hooks
::run( 'ArticlePrepareTextForEdit', array( $this, $popts ) );
2083 $edit = (object)array();
2084 if ( $cachedEdit ) {
2085 $edit->timestamp
= $cachedEdit->timestamp
;
2087 $edit->timestamp
= wfTimestampNow();
2089 // @note: $cachedEdit is not used if the rev ID was referenced in the text
2090 $edit->revid
= $revid;
2092 if ( $cachedEdit ) {
2093 $edit->pstContent
= $cachedEdit->pstContent
;
2095 $edit->pstContent
= $content
2096 ?
$content->preSaveTransform( $this->mTitle
, $user, $popts )
2100 $edit->format
= $serialFormat;
2101 $edit->popts
= $this->makeParserOptions( 'canonical' );
2102 if ( $cachedEdit ) {
2103 $edit->output
= $cachedEdit->output
;
2106 // We get here if vary-revision is set. This means that this page references
2107 // itself (such as via self-transclusion). In this case, we need to make sure
2108 // that any such self-references refer to the newly-saved revision, and not
2109 // to the previous one, which could otherwise happen due to slave lag.
2110 $oldCallback = $edit->popts
->getCurrentRevisionCallback();
2111 $edit->popts
->setCurrentRevisionCallback(
2112 function ( Title
$title, $parser = false ) use ( $revision, &$oldCallback ) {
2113 if ( $title->equals( $revision->getTitle() ) ) {
2116 return call_user_func( $oldCallback, $title, $parser );
2121 $edit->output
= $edit->pstContent
2122 ?
$edit->pstContent
->getParserOutput( $this->mTitle
, $revid, $edit->popts
)
2126 $edit->newContent
= $content;
2127 $edit->oldContent
= $this->getContent( Revision
::RAW
);
2129 // NOTE: B/C for hooks! don't use these fields!
2130 $edit->newText
= $edit->newContent
2131 ? ContentHandler
::getContentText( $edit->newContent
)
2133 $edit->oldText
= $edit->oldContent
2134 ? ContentHandler
::getContentText( $edit->oldContent
)
2136 $edit->pst
= $edit->pstContent ?
$edit->pstContent
->serialize( $serialFormat ) : '';
2138 $this->mPreparedEdit
= $edit;
2143 * Do standard deferred updates after page edit.
2144 * Update links tables, site stats, search index and message cache.
2145 * Purges pages that include this page if the text was changed here.
2146 * Every 100th edit, prune the recent changes table.
2148 * @param Revision $revision
2149 * @param User $user User object that did the revision
2150 * @param array $options Array of options, following indexes are used:
2151 * - changed: boolean, whether the revision changed the content (default true)
2152 * - created: boolean, whether the revision created the page (default false)
2153 * - moved: boolean, whether the page was moved (default false)
2154 * - oldcountable: boolean, null, or string 'no-change' (default null):
2155 * - boolean: whether the page was counted as an article before that
2156 * revision, only used in changed is true and created is false
2157 * - null: if created is false, don't update the article count; if created
2158 * is true, do update the article count
2159 * - 'no-change': don't update the article count, ever
2161 public function doEditUpdates( Revision
$revision, User
$user, array $options = array() ) {
2166 'oldcountable' => null
2168 $content = $revision->getContent();
2171 // Be careful not to do pre-save transform twice: $text is usually
2172 // already pre-save transformed once.
2173 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2174 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2175 $editInfo = $this->prepareContentForEdit( $content, $revision, $user );
2177 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2178 $editInfo = $this->mPreparedEdit
;
2181 // Save it to the parser cache.
2182 // Make sure the cache time matches page_touched to avoid double parsing.
2183 ParserCache
::singleton()->save(
2184 $editInfo->output
, $this, $editInfo->popts
,
2185 $revision->getTimestamp(), $editInfo->revid
2188 // Update the links tables and other secondary data
2190 $recursive = $options['changed']; // bug 50785
2191 $updates = $content->getSecondaryDataUpdates(
2192 $this->getTitle(), null, $recursive, $editInfo->output
);
2193 foreach ( $updates as $update ) {
2194 DeferredUpdates
::addUpdate( $update );
2198 Hooks
::run( 'ArticleEditUpdates', array( &$this, &$editInfo, $options['changed'] ) );
2200 if ( Hooks
::run( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2201 // Flush old entries from the `recentchanges` table
2202 if ( mt_rand( 0, 9 ) == 0 ) {
2203 JobQueueGroup
::singleton()->lazyPush( RecentChangesUpdateJob
::newPurgeJob() );
2207 if ( !$this->exists() ) {
2211 $id = $this->getId();
2212 $title = $this->mTitle
->getPrefixedDBkey();
2213 $shortTitle = $this->mTitle
->getDBkey();
2215 if ( $options['oldcountable'] === 'no-change' ||
2216 ( !$options['changed'] && !$options['moved'] )
2219 } elseif ( $options['created'] ) {
2220 $good = (int)$this->isCountable( $editInfo );
2221 } elseif ( $options['oldcountable'] !== null ) {
2222 $good = (int)$this->isCountable( $editInfo ) - (int)$options['oldcountable'];
2226 $edits = $options['changed'] ?
1 : 0;
2227 $total = $options['created'] ?
1 : 0;
2229 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 0, $edits, $good, $total ) );
2230 DeferredUpdates
::addUpdate( new SearchUpdate( $id, $title, $content ) );
2232 // If this is another user's talk page, update newtalk.
2233 // Don't do this if $options['changed'] = false (null-edits) nor if
2234 // it's a minor edit and the user doesn't want notifications for those.
2235 if ( $options['changed']
2236 && $this->mTitle
->getNamespace() == NS_USER_TALK
2237 && $shortTitle != $user->getTitleKey()
2238 && !( $revision->isMinor() && $user->isAllowed( 'nominornewtalk' ) )
2240 $recipient = User
::newFromName( $shortTitle, false );
2241 if ( !$recipient ) {
2242 wfDebug( __METHOD__
. ": invalid username\n" );
2244 // Allow extensions to prevent user notification
2245 // when a new message is added to their talk page
2246 if ( Hooks
::run( 'ArticleEditUpdateNewTalk', array( &$this, $recipient ) ) ) {
2247 if ( User
::isIP( $shortTitle ) ) {
2248 // An anonymous user
2249 $recipient->setNewtalk( true, $revision );
2250 } elseif ( $recipient->isLoggedIn() ) {
2251 $recipient->setNewtalk( true, $revision );
2253 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2259 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2260 // XXX: could skip pseudo-messages like js/css here, based on content model.
2261 $msgtext = $content ?
$content->getWikitextForTransclusion() : null;
2262 if ( $msgtext === false ||
$msgtext === null ) {
2266 MessageCache
::singleton()->replace( $shortTitle, $msgtext );
2269 if ( $options['created'] ) {
2270 self
::onArticleCreate( $this->mTitle
);
2271 } elseif ( $options['changed'] ) { // bug 50785
2272 self
::onArticleEdit( $this->mTitle
, $revision );
2277 * Edit an article without doing all that other stuff
2278 * The article must already exist; link tables etc
2279 * are not updated, caches are not flushed.
2281 * @param string $text Text submitted
2282 * @param User $user The relevant user
2283 * @param string $comment Comment submitted
2284 * @param bool $minor Whereas it's a minor modification
2286 * @deprecated since 1.21, use doEditContent() instead.
2288 public function doQuickEdit( $text, User
$user, $comment = '', $minor = 0 ) {
2289 ContentHandler
::deprecated( __METHOD__
, "1.21" );
2291 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
2292 $this->doQuickEditContent( $content, $user, $comment, $minor );
2296 * Edit an article without doing all that other stuff
2297 * The article must already exist; link tables etc
2298 * are not updated, caches are not flushed.
2300 * @param Content $content Content submitted
2301 * @param User $user The relevant user
2302 * @param string $comment Comment submitted
2303 * @param bool $minor Whereas it's a minor modification
2304 * @param string $serialFormat Format for storing the content in the database
2306 public function doQuickEditContent(
2307 Content
$content, User
$user, $comment = '', $minor = false, $serialFormat = null
2310 $serialized = $content->serialize( $serialFormat );
2312 $dbw = wfGetDB( DB_MASTER
);
2313 $revision = new Revision( array(
2314 'title' => $this->getTitle(), // for determining the default content model
2315 'page' => $this->getId(),
2316 'user_text' => $user->getName(),
2317 'user' => $user->getId(),
2318 'text' => $serialized,
2319 'length' => $content->getSize(),
2320 'comment' => $comment,
2321 'minor_edit' => $minor ?
1 : 0,
2322 ) ); // XXX: set the content object?
2323 $revision->insertOn( $dbw );
2324 $this->updateRevisionOn( $dbw, $revision );
2326 Hooks
::run( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
2331 * Update the article's restriction field, and leave a log entry.
2332 * This works for protection both existing and non-existing pages.
2334 * @param array $limit Set of restriction keys
2335 * @param array $expiry Per restriction type expiration
2336 * @param int &$cascade Set to false if cascading protection isn't allowed.
2337 * @param string $reason
2338 * @param User $user The user updating the restrictions
2341 public function doUpdateRestrictions( array $limit, array $expiry,
2342 &$cascade, $reason, User
$user
2344 global $wgCascadingRestrictionLevels, $wgContLang;
2346 if ( wfReadOnly() ) {
2347 return Status
::newFatal( 'readonlytext', wfReadOnlyReason() );
2350 $this->loadPageData( 'fromdbmaster' );
2351 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
2352 $id = $this->getId();
2358 // Take this opportunity to purge out expired restrictions
2359 Title
::purgeExpiredRestrictions();
2361 // @todo FIXME: Same limitations as described in ProtectionForm.php (line 37);
2362 // we expect a single selection, but the schema allows otherwise.
2363 $isProtected = false;
2367 $dbw = wfGetDB( DB_MASTER
);
2369 foreach ( $restrictionTypes as $action ) {
2370 if ( !isset( $expiry[$action] ) ||
$expiry[$action] === $dbw->getInfinity() ) {
2371 $expiry[$action] = 'infinity';
2373 if ( !isset( $limit[$action] ) ) {
2374 $limit[$action] = '';
2375 } elseif ( $limit[$action] != '' ) {
2379 // Get current restrictions on $action
2380 $current = implode( '', $this->mTitle
->getRestrictions( $action ) );
2381 if ( $current != '' ) {
2382 $isProtected = true;
2385 if ( $limit[$action] != $current ) {
2387 } elseif ( $limit[$action] != '' ) {
2388 // Only check expiry change if the action is actually being
2389 // protected, since expiry does nothing on an not-protected
2391 if ( $this->mTitle
->getRestrictionExpiry( $action ) != $expiry[$action] ) {
2397 if ( !$changed && $protect && $this->mTitle
->areRestrictionsCascading() != $cascade ) {
2401 // If nothing has changed, do nothing
2403 return Status
::newGood();
2406 if ( !$protect ) { // No protection at all means unprotection
2407 $revCommentMsg = 'unprotectedarticle';
2408 $logAction = 'unprotect';
2409 } elseif ( $isProtected ) {
2410 $revCommentMsg = 'modifiedarticleprotection';
2411 $logAction = 'modify';
2413 $revCommentMsg = 'protectedarticle';
2414 $logAction = 'protect';
2417 // Truncate for whole multibyte characters
2418 $reason = $wgContLang->truncate( $reason, 255 );
2420 $logRelationsValues = array();
2421 $logRelationsField = null;
2422 $logParamsDetails = array();
2424 if ( $id ) { // Protection of existing page
2425 if ( !Hooks
::run( 'ArticleProtect', array( &$this, &$user, $limit, $reason ) ) ) {
2426 return Status
::newGood();
2429 // Only certain restrictions can cascade...
2430 $editrestriction = isset( $limit['edit'] )
2431 ?
array( $limit['edit'] )
2432 : $this->mTitle
->getRestrictions( 'edit' );
2433 foreach ( array_keys( $editrestriction, 'sysop' ) as $key ) {
2434 $editrestriction[$key] = 'editprotected'; // backwards compatibility
2436 foreach ( array_keys( $editrestriction, 'autoconfirmed' ) as $key ) {
2437 $editrestriction[$key] = 'editsemiprotected'; // backwards compatibility
2440 $cascadingRestrictionLevels = $wgCascadingRestrictionLevels;
2441 foreach ( array_keys( $cascadingRestrictionLevels, 'sysop' ) as $key ) {
2442 $cascadingRestrictionLevels[$key] = 'editprotected'; // backwards compatibility
2444 foreach ( array_keys( $cascadingRestrictionLevels, 'autoconfirmed' ) as $key ) {
2445 $cascadingRestrictionLevels[$key] = 'editsemiprotected'; // backwards compatibility
2448 // The schema allows multiple restrictions
2449 if ( !array_intersect( $editrestriction, $cascadingRestrictionLevels ) ) {
2453 // insert null revision to identify the page protection change as edit summary
2454 $latest = $this->getLatest();
2455 $nullRevision = $this->insertProtectNullRevision(
2464 if ( $nullRevision === null ) {
2465 return Status
::newFatal( 'no-null-revision', $this->mTitle
->getPrefixedText() );
2468 $logRelationsField = 'pr_id';
2470 // Update restrictions table
2471 foreach ( $limit as $action => $restrictions ) {
2473 'page_restrictions',
2476 'pr_type' => $action
2480 if ( $restrictions != '' ) {
2481 $cascadeValue = ( $cascade && $action == 'edit' ) ?
1 : 0;
2483 'page_restrictions',
2485 'pr_id' => $dbw->nextSequenceValue( 'page_restrictions_pr_id_seq' ),
2487 'pr_type' => $action,
2488 'pr_level' => $restrictions,
2489 'pr_cascade' => $cascadeValue,
2490 'pr_expiry' => $dbw->encodeExpiry( $expiry[$action] )
2494 $logRelationsValues[] = $dbw->insertId();
2495 $logParamsDetails[] = array(
2497 'level' => $restrictions,
2498 'expiry' => $expiry[$action],
2499 'cascade' => (bool)$cascadeValue,
2504 // Clear out legacy restriction fields
2507 array( 'page_restrictions' => '' ),
2508 array( 'page_id' => $id ),
2512 Hooks
::run( 'NewRevisionFromEditComplete',
2513 array( $this, $nullRevision, $latest, $user ) );
2514 Hooks
::run( 'ArticleProtectComplete', array( &$this, &$user, $limit, $reason ) );
2515 } else { // Protection of non-existing page (also known as "title protection")
2516 // Cascade protection is meaningless in this case
2519 if ( $limit['create'] != '' ) {
2520 $dbw->replace( 'protected_titles',
2521 array( array( 'pt_namespace', 'pt_title' ) ),
2523 'pt_namespace' => $this->mTitle
->getNamespace(),
2524 'pt_title' => $this->mTitle
->getDBkey(),
2525 'pt_create_perm' => $limit['create'],
2526 'pt_timestamp' => $dbw->timestamp(),
2527 'pt_expiry' => $dbw->encodeExpiry( $expiry['create'] ),
2528 'pt_user' => $user->getId(),
2529 'pt_reason' => $reason,
2532 $logParamsDetails[] = array(
2534 'level' => $limit['create'],
2535 'expiry' => $expiry['create'],
2538 $dbw->delete( 'protected_titles',
2540 'pt_namespace' => $this->mTitle
->getNamespace(),
2541 'pt_title' => $this->mTitle
->getDBkey()
2547 $this->mTitle
->flushRestrictions();
2548 InfoAction
::invalidateCache( $this->mTitle
);
2550 if ( $logAction == 'unprotect' ) {
2553 $protectDescriptionLog = $this->protectDescriptionLog( $limit, $expiry );
2555 '4::description' => $protectDescriptionLog, // parameter for IRC
2556 '5:bool:cascade' => $cascade,
2557 'details' => $logParamsDetails, // parameter for localize and api
2561 // Update the protection log
2562 $logEntry = new ManualLogEntry( 'protect', $logAction );
2563 $logEntry->setTarget( $this->mTitle
);
2564 $logEntry->setComment( $reason );
2565 $logEntry->setPerformer( $user );
2566 $logEntry->setParameters( $params );
2567 if ( $logRelationsField !== null && count( $logRelationsValues ) ) {
2568 $logEntry->setRelations( array( $logRelationsField => $logRelationsValues ) );
2570 $logId = $logEntry->insert();
2571 $logEntry->publish( $logId );
2573 return Status
::newGood();
2577 * Insert a new null revision for this page.
2579 * @param string $revCommentMsg Comment message key for the revision
2580 * @param array $limit Set of restriction keys
2581 * @param array $expiry Per restriction type expiration
2582 * @param int $cascade Set to false if cascading protection isn't allowed.
2583 * @param string $reason
2584 * @param User|null $user
2585 * @return Revision|null Null on error
2587 public function insertProtectNullRevision( $revCommentMsg, array $limit,
2588 array $expiry, $cascade, $reason, $user = null
2591 $dbw = wfGetDB( DB_MASTER
);
2593 // Prepare a null revision to be added to the history
2594 $editComment = $wgContLang->ucfirst(
2597 $this->mTitle
->getPrefixedText()
2598 )->inContentLanguage()->text()
2601 $editComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
2603 $protectDescription = $this->protectDescription( $limit, $expiry );
2604 if ( $protectDescription ) {
2605 $editComment .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2606 $editComment .= wfMessage( 'parentheses' )->params( $protectDescription )
2607 ->inContentLanguage()->text();
2610 $editComment .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2611 $editComment .= wfMessage( 'brackets' )->params(
2612 wfMessage( 'protect-summary-cascade' )->inContentLanguage()->text()
2613 )->inContentLanguage()->text();
2616 $nullRev = Revision
::newNullRevision( $dbw, $this->getId(), $editComment, true, $user );
2618 $nullRev->insertOn( $dbw );
2620 // Update page record and touch page
2621 $oldLatest = $nullRev->getParentId();
2622 $this->updateRevisionOn( $dbw, $nullRev, $oldLatest );
2629 * @param string $expiry 14-char timestamp or "infinity", or false if the input was invalid
2632 protected function formatExpiry( $expiry ) {
2635 if ( $expiry != 'infinity' ) {
2638 $wgContLang->timeanddate( $expiry, false, false ),
2639 $wgContLang->date( $expiry, false, false ),
2640 $wgContLang->time( $expiry, false, false )
2641 )->inContentLanguage()->text();
2643 return wfMessage( 'protect-expiry-indefinite' )
2644 ->inContentLanguage()->text();
2649 * Builds the description to serve as comment for the edit.
2651 * @param array $limit Set of restriction keys
2652 * @param array $expiry Per restriction type expiration
2655 public function protectDescription( array $limit, array $expiry ) {
2656 $protectDescription = '';
2658 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2659 # $action is one of $wgRestrictionTypes = array( 'create', 'edit', 'move', 'upload' ).
2660 # All possible message keys are listed here for easier grepping:
2661 # * restriction-create
2662 # * restriction-edit
2663 # * restriction-move
2664 # * restriction-upload
2665 $actionText = wfMessage( 'restriction-' . $action )->inContentLanguage()->text();
2666 # $restrictions is one of $wgRestrictionLevels = array( '', 'autoconfirmed', 'sysop' ),
2667 # with '' filtered out. All possible message keys are listed below:
2668 # * protect-level-autoconfirmed
2669 # * protect-level-sysop
2670 $restrictionsText = wfMessage( 'protect-level-' . $restrictions )
2671 ->inContentLanguage()->text();
2673 $expiryText = $this->formatExpiry( $expiry[$action] );
2675 if ( $protectDescription !== '' ) {
2676 $protectDescription .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2678 $protectDescription .= wfMessage( 'protect-summary-desc' )
2679 ->params( $actionText, $restrictionsText, $expiryText )
2680 ->inContentLanguage()->text();
2683 return $protectDescription;
2687 * Builds the description to serve as comment for the log entry.
2689 * Some bots may parse IRC lines, which are generated from log entries which contain plain
2690 * protect description text. Keep them in old format to avoid breaking compatibility.
2691 * TODO: Fix protection log to store structured description and format it on-the-fly.
2693 * @param array $limit Set of restriction keys
2694 * @param array $expiry Per restriction type expiration
2697 public function protectDescriptionLog( array $limit, array $expiry ) {
2700 $protectDescriptionLog = '';
2702 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2703 $expiryText = $this->formatExpiry( $expiry[$action] );
2704 $protectDescriptionLog .= $wgContLang->getDirMark() .
2705 "[$action=$restrictions] ($expiryText)";
2708 return trim( $protectDescriptionLog );
2712 * Take an array of page restrictions and flatten it to a string
2713 * suitable for insertion into the page_restrictions field.
2715 * @param string[] $limit
2717 * @throws MWException
2720 protected static function flattenRestrictions( $limit ) {
2721 if ( !is_array( $limit ) ) {
2722 throw new MWException( __METHOD__
. ' given non-array restriction set' );
2728 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2729 $bits[] = "$action=$restrictions";
2732 return implode( ':', $bits );
2736 * Same as doDeleteArticleReal(), but returns a simple boolean. This is kept around for
2737 * backwards compatibility, if you care about error reporting you should use
2738 * doDeleteArticleReal() instead.
2740 * Deletes the article with database consistency, writes logs, purges caches
2742 * @param string $reason Delete reason for deletion log
2743 * @param bool $suppress Suppress all revisions and log the deletion in
2744 * the suppression log instead of the deletion log
2745 * @param int $id Article ID
2746 * @param bool $commit Defaults to true, triggers transaction end
2747 * @param array &$error Array of errors to append to
2748 * @param User $user The deleting user
2749 * @return bool True if successful
2751 public function doDeleteArticle(
2752 $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User
$user = null
2754 $status = $this->doDeleteArticleReal( $reason, $suppress, $id, $commit, $error, $user );
2755 return $status->isGood();
2759 * Back-end article deletion
2760 * Deletes the article with database consistency, writes logs, purges caches
2764 * @param string $reason Delete reason for deletion log
2765 * @param bool $suppress Suppress all revisions and log the deletion in
2766 * the suppression log instead of the deletion log
2767 * @param int $id Article ID
2768 * @param bool $commit Defaults to true, triggers transaction end
2769 * @param array &$error Array of errors to append to
2770 * @param User $user The deleting user
2771 * @return Status Status object; if successful, $status->value is the log_id of the
2772 * deletion log entry. If the page couldn't be deleted because it wasn't
2773 * found, $status is a non-fatal 'cannotdelete' error
2775 public function doDeleteArticleReal(
2776 $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User
$user = null
2778 global $wgUser, $wgContentHandlerUseDB;
2780 wfDebug( __METHOD__
. "\n" );
2782 $status = Status
::newGood();
2784 if ( $this->mTitle
->getDBkey() === '' ) {
2785 $status->error( 'cannotdelete',
2786 wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2790 $user = is_null( $user ) ?
$wgUser : $user;
2791 if ( !Hooks
::run( 'ArticleDelete',
2792 array( &$this, &$user, &$reason, &$error, &$status )
2794 if ( $status->isOK() ) {
2795 // Hook aborted but didn't set a fatal status
2796 $status->fatal( 'delete-hook-aborted' );
2801 $dbw = wfGetDB( DB_MASTER
);
2802 $dbw->begin( __METHOD__
);
2805 // T98706: lock the page from various other updates but avoid using
2806 // WikiPage::READ_LOCKING as that will carry over the FOR UPDATE to
2807 // the revisions queries (which also JOIN on user). Only lock the page
2808 // row and CAS check on page_latest to see if the trx snapshot matches.
2809 $latest = $this->lock();
2811 $this->loadPageData( WikiPage
::READ_LATEST
);
2812 $id = $this->getID();
2813 if ( $id == 0 ||
$this->getLatest() != $latest ) {
2814 // Page not there or trx snapshot is stale
2815 $dbw->rollback( __METHOD__
);
2816 $status->error( 'cannotdelete',
2817 wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2822 // we need to remember the old content so we can use it to generate all deletion updates.
2823 $content = $this->getContent( Revision
::RAW
);
2825 // Bitfields to further suppress the content
2828 // This should be 15...
2829 $bitfield |
= Revision
::DELETED_TEXT
;
2830 $bitfield |
= Revision
::DELETED_COMMENT
;
2831 $bitfield |
= Revision
::DELETED_USER
;
2832 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2834 $bitfield = 'rev_deleted';
2838 * For now, shunt the revision data into the archive table.
2839 * Text is *not* removed from the text table; bulk storage
2840 * is left intact to avoid breaking block-compression or
2841 * immutable storage schemes.
2843 * For backwards compatibility, note that some older archive
2844 * table entries will have ar_text and ar_flags fields still.
2846 * In the future, we may keep revisions and mark them with
2847 * the rev_deleted field, which is reserved for this purpose.
2851 'ar_namespace' => 'page_namespace',
2852 'ar_title' => 'page_title',
2853 'ar_comment' => 'rev_comment',
2854 'ar_user' => 'rev_user',
2855 'ar_user_text' => 'rev_user_text',
2856 'ar_timestamp' => 'rev_timestamp',
2857 'ar_minor_edit' => 'rev_minor_edit',
2858 'ar_rev_id' => 'rev_id',
2859 'ar_parent_id' => 'rev_parent_id',
2860 'ar_text_id' => 'rev_text_id',
2861 'ar_text' => '\'\'', // Be explicit to appease
2862 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2863 'ar_len' => 'rev_len',
2864 'ar_page_id' => 'page_id',
2865 'ar_deleted' => $bitfield,
2866 'ar_sha1' => 'rev_sha1',
2869 if ( $wgContentHandlerUseDB ) {
2870 $row['ar_content_model'] = 'rev_content_model';
2871 $row['ar_content_format'] = 'rev_content_format';
2874 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2878 'page_id = rev_page'
2882 // Now that it's safely backed up, delete it
2883 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2884 $ok = ( $dbw->affectedRows() > 0 ); // $id could be laggy
2887 $dbw->rollback( __METHOD__
);
2888 $status->error( 'cannotdelete',
2889 wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2893 if ( !$dbw->cascadingDeletes() ) {
2894 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2897 // Clone the title, so we have the information we need when we log
2898 $logTitle = clone $this->mTitle
;
2900 // Log the deletion, if the page was suppressed, put it in the suppression log instead
2901 $logtype = $suppress ?
'suppress' : 'delete';
2903 $logEntry = new ManualLogEntry( $logtype, 'delete' );
2904 $logEntry->setPerformer( $user );
2905 $logEntry->setTarget( $logTitle );
2906 $logEntry->setComment( $reason );
2907 $logid = $logEntry->insert();
2909 $dbw->onTransactionPreCommitOrIdle( function () use ( $dbw, $logEntry, $logid ) {
2910 // Bug 56776: avoid deadlocks (especially from FileDeleteForm)
2911 $logEntry->publish( $logid );
2915 $dbw->commit( __METHOD__
);
2918 // Show log excerpt on 404 pages rather than just a link
2919 $key = wfMemcKey( 'page-recent-delete', md5( $logTitle->getPrefixedText() ) );
2920 ObjectCache
::getMainStashInstance()->set( $key, 1, 86400 );
2922 $this->doDeleteUpdates( $id, $content );
2924 Hooks
::run( 'ArticleDeleteComplete',
2925 array( &$this, &$user, $reason, $id, $content, $logEntry ) );
2926 $status->value
= $logid;
2931 * Lock the page row for this title and return page_latest (or 0)
2935 protected function lock() {
2936 return (int)wfGetDB( DB_MASTER
)->selectField(
2940 'page_namespace' => $this->getTitle()->getNamespace(),
2941 'page_title' => $this->getTitle()->getDBkey()
2944 array( 'FOR UPDATE' )
2949 * Do some database updates after deletion
2951 * @param int $id The page_id value of the page being deleted
2952 * @param Content $content Optional page content to be used when determining
2953 * the required updates. This may be needed because $this->getContent()
2954 * may already return null when the page proper was deleted.
2956 public function doDeleteUpdates( $id, Content
$content = null ) {
2957 // Update site status
2958 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 ) );
2960 // Delete pagelinks, update secondary indexes, etc
2961 $updates = $this->getDeletionUpdates( $content );
2962 foreach ( $updates as $update ) {
2963 DeferredUpdates
::addUpdate( $update );
2966 // Reparse any pages transcluding this page
2967 LinksUpdate
::queueRecursiveJobsForTable( $this->mTitle
, 'templatelinks' );
2969 // Reparse any pages including this image
2970 if ( $this->mTitle
->getNamespace() == NS_FILE
) {
2971 LinksUpdate
::queueRecursiveJobsForTable( $this->mTitle
, 'imagelinks' );
2975 WikiPage
::onArticleDelete( $this->mTitle
);
2977 // Reset this object and the Title object
2978 $this->loadFromRow( false, self
::READ_LATEST
);
2981 DeferredUpdates
::addUpdate( new SearchUpdate( $id, $this->mTitle
) );
2985 * Roll back the most recent consecutive set of edits to a page
2986 * from the same user; fails if there are no eligible edits to
2987 * roll back to, e.g. user is the sole contributor. This function
2988 * performs permissions checks on $user, then calls commitRollback()
2989 * to do the dirty work
2991 * @todo Separate the business/permission stuff out from backend code
2993 * @param string $fromP Name of the user whose edits to rollback.
2994 * @param string $summary Custom summary. Set to default summary if empty.
2995 * @param string $token Rollback token.
2996 * @param bool $bot If true, mark all reverted edits as bot.
2998 * @param array $resultDetails Array contains result-specific array of additional values
2999 * 'alreadyrolled' : 'current' (rev)
3000 * success : 'summary' (str), 'current' (rev), 'target' (rev)
3002 * @param User $user The user performing the rollback
3003 * @return array Array of errors, each error formatted as
3004 * array(messagekey, param1, param2, ...).
3005 * On success, the array is empty. This array can also be passed to
3006 * OutputPage::showPermissionsErrorPage().
3008 public function doRollback(
3009 $fromP, $summary, $token, $bot, &$resultDetails, User
$user
3011 $resultDetails = null;
3013 // Check permissions
3014 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $user );
3015 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $user );
3016 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
3018 if ( !$user->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) ) {
3019 $errors[] = array( 'sessionfailure' );
3022 if ( $user->pingLimiter( 'rollback' ) ||
$user->pingLimiter() ) {
3023 $errors[] = array( 'actionthrottledtext' );
3026 // If there were errors, bail out now
3027 if ( !empty( $errors ) ) {
3031 return $this->commitRollback( $fromP, $summary, $bot, $resultDetails, $user );
3035 * Backend implementation of doRollback(), please refer there for parameter
3036 * and return value documentation
3038 * NOTE: This function does NOT check ANY permissions, it just commits the
3039 * rollback to the DB. Therefore, you should only call this function direct-
3040 * ly if you want to use custom permissions checks. If you don't, use
3041 * doRollback() instead.
3042 * @param string $fromP Name of the user whose edits to rollback.
3043 * @param string $summary Custom summary. Set to default summary if empty.
3044 * @param bool $bot If true, mark all reverted edits as bot.
3046 * @param array $resultDetails Contains result-specific array of additional values
3047 * @param User $guser The user performing the rollback
3050 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser ) {
3051 global $wgUseRCPatrol, $wgContLang;
3053 $dbw = wfGetDB( DB_MASTER
);
3055 if ( wfReadOnly() ) {
3056 return array( array( 'readonlytext' ) );
3059 // Get the last editor
3060 $current = $this->getRevision();
3061 if ( is_null( $current ) ) {
3062 // Something wrong... no page?
3063 return array( array( 'notanarticle' ) );
3066 $from = str_replace( '_', ' ', $fromP );
3067 // User name given should match up with the top revision.
3068 // If the user was deleted then $from should be empty.
3069 if ( $from != $current->getUserText() ) {
3070 $resultDetails = array( 'current' => $current );
3071 return array( array( 'alreadyrolled',
3072 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3073 htmlspecialchars( $fromP ),
3074 htmlspecialchars( $current->getUserText() )
3078 // Get the last edit not by this person...
3079 // Note: these may not be public values
3080 $user = intval( $current->getUser( Revision
::RAW
) );
3081 $user_text = $dbw->addQuotes( $current->getUserText( Revision
::RAW
) );
3082 $s = $dbw->selectRow( 'revision',
3083 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
3084 array( 'rev_page' => $current->getPage(),
3085 "rev_user != {$user} OR rev_user_text != {$user_text}"
3087 array( 'USE INDEX' => 'page_timestamp',
3088 'ORDER BY' => 'rev_timestamp DESC' )
3090 if ( $s === false ) {
3091 // No one else ever edited this page
3092 return array( array( 'cantrollback' ) );
3093 } elseif ( $s->rev_deleted
& Revision
::DELETED_TEXT
3094 ||
$s->rev_deleted
& Revision
::DELETED_USER
3096 // Only admins can see this text
3097 return array( array( 'notvisiblerev' ) );
3100 // Generate the edit summary if necessary
3101 $target = Revision
::newFromId( $s->rev_id
, Revision
::READ_LATEST
);
3102 if ( empty( $summary ) ) {
3103 if ( $from == '' ) { // no public user name
3104 $summary = wfMessage( 'revertpage-nouser' );
3106 $summary = wfMessage( 'revertpage' );
3110 // Allow the custom summary to use the same args as the default message
3112 $target->getUserText(), $from, $s->rev_id
,
3113 $wgContLang->timeanddate( wfTimestamp( TS_MW
, $s->rev_timestamp
) ),
3114 $current->getId(), $wgContLang->timeanddate( $current->getTimestamp() )
3116 if ( $summary instanceof Message
) {
3117 $summary = $summary->params( $args )->inContentLanguage()->text();
3119 $summary = wfMsgReplaceArgs( $summary, $args );
3122 // Trim spaces on user supplied text
3123 $summary = trim( $summary );
3125 // Truncate for whole multibyte characters.
3126 $summary = $wgContLang->truncate( $summary, 255 );
3129 $flags = EDIT_UPDATE
;
3131 if ( $guser->isAllowed( 'minoredit' ) ) {
3132 $flags |
= EDIT_MINOR
;
3135 if ( $bot && ( $guser->isAllowedAny( 'markbotedits', 'bot' ) ) ) {
3136 $flags |
= EDIT_FORCE_BOT
;
3139 // Actually store the edit
3140 $status = $this->doEditContent(
3141 $target->getContent(),
3148 // Set patrolling and bot flag on the edits, which gets rollbacked.
3149 // This is done even on edit failure to have patrolling in that case (bug 62157).
3151 if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
3152 // Mark all reverted edits as bot
3156 if ( $wgUseRCPatrol ) {
3157 // Mark all reverted edits as patrolled
3158 $set['rc_patrolled'] = 1;
3161 if ( count( $set ) ) {
3162 $dbw->update( 'recentchanges', $set,
3164 'rc_cur_id' => $current->getPage(),
3165 'rc_user_text' => $current->getUserText(),
3166 'rc_timestamp > ' . $dbw->addQuotes( $s->rev_timestamp
),
3172 if ( !$status->isOK() ) {
3173 return $status->getErrorsArray();
3176 // raise error, when the edit is an edit without a new version
3177 $statusRev = isset( $status->value
['revision'] )
3178 ?
$status->value
['revision']
3180 if ( !( $statusRev instanceof Revision
) ) {
3181 $resultDetails = array( 'current' => $current );
3182 return array( array( 'alreadyrolled',
3183 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3184 htmlspecialchars( $fromP ),
3185 htmlspecialchars( $current->getUserText() )
3189 $revId = $statusRev->getId();
3191 Hooks
::run( 'ArticleRollbackComplete', array( $this, $guser, $target, $current ) );
3193 $resultDetails = array(
3194 'summary' => $summary,
3195 'current' => $current,
3196 'target' => $target,
3204 * The onArticle*() functions are supposed to be a kind of hooks
3205 * which should be called whenever any of the specified actions
3208 * This is a good place to put code to clear caches, for instance.
3210 * This is called on page move and undelete, as well as edit
3212 * @param Title $title
3214 public static function onArticleCreate( Title
$title ) {
3215 // Update existence markers on article/talk tabs...
3216 $other = $title->getOtherPage();
3218 $other->purgeSquid();
3220 $title->touchLinks();
3221 $title->purgeSquid();
3222 $title->deleteTitleProtection();
3226 * Clears caches when article is deleted
3228 * @param Title $title
3230 public static function onArticleDelete( Title
$title ) {
3231 // Update existence markers on article/talk tabs...
3232 $other = $title->getOtherPage();
3234 $other->purgeSquid();
3236 $title->touchLinks();
3237 $title->purgeSquid();
3240 HTMLFileCache
::clearFileCache( $title );
3241 InfoAction
::invalidateCache( $title );
3244 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
3245 MessageCache
::singleton()->replace( $title->getDBkey(), false );
3249 if ( $title->getNamespace() == NS_FILE
) {
3250 DeferredUpdates
::addUpdate( new HTMLCacheUpdate( $title, 'imagelinks' ) );
3254 if ( $title->getNamespace() == NS_USER_TALK
) {
3255 $user = User
::newFromName( $title->getText(), false );
3257 $user->setNewtalk( false );
3262 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
3266 * Purge caches on page update etc
3268 * @param Title $title
3269 * @param Revision|null $revision Revision that was just saved, may be null
3271 public static function onArticleEdit( Title
$title, Revision
$revision = null ) {
3272 // Invalidate caches of articles which include this page
3273 DeferredUpdates
::addUpdate( new HTMLCacheUpdate( $title, 'templatelinks' ) );
3275 // Invalidate the caches of all pages which redirect here
3276 DeferredUpdates
::addUpdate( new HTMLCacheUpdate( $title, 'redirect' ) );
3278 // Purge squid for this page only
3279 $title->purgeSquid();
3280 // Clear file cache for this page only
3281 HTMLFileCache
::clearFileCache( $title );
3283 $revid = $revision ?
$revision->getId() : null;
3284 DeferredUpdates
::addCallableUpdate( function() use ( $title, $revid ) {
3285 InfoAction
::invalidateCache( $title, $revid );
3292 * Returns a list of categories this page is a member of.
3293 * Results will include hidden categories
3295 * @return TitleArray
3297 public function getCategories() {
3298 $id = $this->getId();
3300 return TitleArray
::newFromResult( new FakeResultWrapper( array() ) );
3303 $dbr = wfGetDB( DB_SLAVE
);
3304 $res = $dbr->select( 'categorylinks',
3305 array( 'cl_to AS page_title, ' . NS_CATEGORY
. ' AS page_namespace' ),
3306 // Have to do that since DatabaseBase::fieldNamesWithAlias treats numeric indexes
3307 // as not being aliases, and NS_CATEGORY is numeric
3308 array( 'cl_from' => $id ),
3311 return TitleArray
::newFromResult( $res );
3315 * Returns a list of hidden categories this page is a member of.
3316 * Uses the page_props and categorylinks tables.
3318 * @return array Array of Title objects
3320 public function getHiddenCategories() {
3322 $id = $this->getId();
3328 $dbr = wfGetDB( DB_SLAVE
);
3329 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3331 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3332 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to' ),
3335 if ( $res !== false ) {
3336 foreach ( $res as $row ) {
3337 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3345 * Return an applicable autosummary if one exists for the given edit.
3346 * @param string|null $oldtext The previous text of the page.
3347 * @param string|null $newtext The submitted text of the page.
3348 * @param int $flags Bitmask: a bitmask of flags submitted for the edit.
3349 * @return string An appropriate autosummary, or an empty string.
3351 * @deprecated since 1.21, use ContentHandler::getAutosummary() instead
3353 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3354 // NOTE: stub for backwards-compatibility. assumes the given text is
3355 // wikitext. will break horribly if it isn't.
3357 ContentHandler
::deprecated( __METHOD__
, '1.21' );
3359 $handler = ContentHandler
::getForModelID( CONTENT_MODEL_WIKITEXT
);
3360 $oldContent = is_null( $oldtext ) ?
null : $handler->unserializeContent( $oldtext );
3361 $newContent = is_null( $newtext ) ?
null : $handler->unserializeContent( $newtext );
3363 return $handler->getAutosummary( $oldContent, $newContent, $flags );
3367 * Auto-generates a deletion reason
3369 * @param bool &$hasHistory Whether the page has a history
3370 * @return string|bool String containing deletion reason or empty string, or boolean false
3371 * if no revision occurred
3373 public function getAutoDeleteReason( &$hasHistory ) {
3374 return $this->getContentHandler()->getAutoDeleteReason( $this->getTitle(), $hasHistory );
3378 * Update all the appropriate counts in the category table, given that
3379 * we've added the categories $added and deleted the categories $deleted.
3381 * @param array $added The names of categories that were added
3382 * @param array $deleted The names of categories that were deleted
3384 public function updateCategoryCounts( array $added, array $deleted ) {
3386 $method = __METHOD__
;
3387 $dbw = wfGetDB( DB_MASTER
);
3389 // Do this at the end of the commit to reduce lock wait timeouts
3390 $dbw->onTransactionPreCommitOrIdle(
3391 function () use ( $dbw, $that, $method, $added, $deleted ) {
3392 $ns = $that->getTitle()->getNamespace();
3394 $addFields = array( 'cat_pages = cat_pages + 1' );
3395 $removeFields = array( 'cat_pages = cat_pages - 1' );
3396 if ( $ns == NS_CATEGORY
) {
3397 $addFields[] = 'cat_subcats = cat_subcats + 1';
3398 $removeFields[] = 'cat_subcats = cat_subcats - 1';
3399 } elseif ( $ns == NS_FILE
) {
3400 $addFields[] = 'cat_files = cat_files + 1';
3401 $removeFields[] = 'cat_files = cat_files - 1';
3404 if ( count( $added ) ) {
3405 $insertRows = array();
3406 foreach ( $added as $cat ) {
3407 $insertRows[] = array(
3408 'cat_title' => $cat,
3410 'cat_subcats' => ( $ns == NS_CATEGORY
) ?
1 : 0,
3411 'cat_files' => ( $ns == NS_FILE
) ?
1 : 0,
3417 array( 'cat_title' ),
3423 if ( count( $deleted ) ) {
3427 array( 'cat_title' => $deleted ),
3432 foreach ( $added as $catName ) {
3433 $cat = Category
::newFromName( $catName );
3434 Hooks
::run( 'CategoryAfterPageAdded', array( $cat, $that ) );
3437 foreach ( $deleted as $catName ) {
3438 $cat = Category
::newFromName( $catName );
3439 Hooks
::run( 'CategoryAfterPageRemoved', array( $cat, $that ) );
3446 * Opportunistically enqueue link update jobs given fresh parser output if useful
3448 * @param ParserOutput $parserOutput Current version page output
3451 public function triggerOpportunisticLinksUpdate( ParserOutput
$parserOutput ) {
3452 if ( wfReadOnly() ) {
3456 if ( !Hooks
::run( 'OpportunisticLinksUpdate',
3457 array( $this, $this->mTitle
, $parserOutput )
3462 if ( $this->mTitle
->areRestrictionsCascading() ) {
3463 // If the page is cascade protecting, the links should really be up-to-date
3464 $params = array( 'prioritize' => true );
3465 } elseif ( $parserOutput->hasDynamicContent() ) {
3466 // Assume the output contains time/random based magic words
3469 // If the inclusions are deterministic, the edit-triggered link jobs are enough
3473 // Check if the last link refresh was before page_touched
3474 if ( $this->getLinksTimestamp() < $this->getTouched() ) {
3475 $params['isOpportunistic'] = true;
3476 $params['rootJobTimestamp'] = $parserOutput->getCacheTime();
3478 JobQueueGroup
::singleton()->lazyPush( EnqueueJob
::newFromLocalJobs(
3479 new JobSpecification( 'refreshLinks', $params,
3480 array( 'removeDuplicates' => true ), $this->mTitle
)
3486 * Return a list of templates used by this article.
3487 * Uses the templatelinks table
3489 * @deprecated since 1.19; use Title::getTemplateLinksFrom()
3490 * @return array Array of Title objects
3492 public function getUsedTemplates() {
3493 return $this->mTitle
->getTemplateLinksFrom();
3497 * This function is called right before saving the wikitext,
3498 * so we can do things like signatures and links-in-context.
3500 * @deprecated since 1.19; use Parser::preSaveTransform() instead
3501 * @param string $text Article contents
3502 * @param User $user User doing the edit
3503 * @param ParserOptions $popts Parser options, default options for
3504 * the user loaded if null given
3505 * @return string Article contents with altered wikitext markup (signatures
3506 * converted, {{subst:}}, templates, etc.)
3508 public function preSaveTransform( $text, User
$user = null, ParserOptions
$popts = null ) {
3509 global $wgParser, $wgUser;
3511 wfDeprecated( __METHOD__
, '1.19' );
3513 $user = is_null( $user ) ?
$wgUser : $user;
3515 if ( $popts === null ) {
3516 $popts = ParserOptions
::newFromUser( $user );
3519 return $wgParser->preSaveTransform( $text, $this->mTitle
, $user, $popts );
3523 * Update the article's restriction field, and leave a log entry.
3525 * @deprecated since 1.19
3526 * @param array $limit Set of restriction keys
3527 * @param string $reason
3528 * @param int &$cascade Set to false if cascading protection isn't allowed.
3529 * @param array $expiry Per restriction type expiration
3530 * @param User $user The user updating the restrictions
3531 * @return bool True on success
3533 public function updateRestrictions(
3534 $limit = array(), $reason = '', &$cascade = 0, $expiry = array(), User
$user = null
3538 $user = is_null( $user ) ?
$wgUser : $user;
3540 return $this->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user )->isOK();
3544 * Returns a list of updates to be performed when this page is deleted. The
3545 * updates should remove any information about this page from secondary data
3546 * stores such as links tables.
3548 * @param Content|null $content Optional Content object for determining the
3549 * necessary updates.
3550 * @return array An array of DataUpdates objects
3552 public function getDeletionUpdates( Content
$content = null ) {
3554 // load content object, which may be used to determine the necessary updates.
3555 // XXX: the content may not be needed to determine the updates.
3556 $content = $this->getContent( Revision
::RAW
);
3562 $updates = $content->getDeletionUpdates( $this );
3565 Hooks
::run( 'WikiPageDeletionUpdates', array( $this, $content, &$updates ) );