3 * Abstract class for type hinting (accepts WikiPage, Article, ImagePage, CategoryPage)
8 * Class representing a MediaWiki article and history.
10 * Some fields are public only for backwards-compatibility. Use accessors.
11 * In the past, this class was part of Article.php and everything was public.
13 * @internal documentation reviewed 15 Mar 2010
15 class WikiPage
extends Page
{
20 public $mTitle = null;
25 public $mCounter = -1; // !< Integer (-1 means "not loaded")
26 public $mDataLoaded = false; // !< Boolean
27 public $mIsRedirect = false; // !< Boolean
28 public $mLatest = false; // !< Boolean
29 public $mPreparedEdit = false; // !< Array
30 public $mRedirectTarget = null; // !< Title object
31 public $mLastRevision = null; // !< Revision object
32 public $mTimestamp = ''; // !< String
33 public $mTouched = '19700101000000'; // !< String
38 * @var ParserOptions: ParserOptions object for $wgUser articles
40 public $mParserOptions;
43 * Constructor and clear the article
44 * @param $title Title Reference to a Title object.
46 public function __construct( Title
$title ) {
47 $this->mTitle
= $title;
51 * Create a WikiPage object of the appropriate class for the given title.
54 * @return WikiPage object of the appropriate type
56 public static function factory( Title
$title ) {
57 $ns = $title->getNamespace();
59 if ( $ns == NS_MEDIA
) {
60 throw new MWException( "NS_MEDIA is a virtual namespace; use NS_FILE." );
61 } elseif ( $ns < 0 ) {
62 throw new MWException( "Invalid or virtual namespace $ns given." );
67 $page = new WikiFilePage( $title );
70 $page = new WikiCategoryPage( $title );
73 $page = new WikiPage( $title );
80 * Constructor from a page id
82 * Always override this for all subclasses (until we use PHP with LSB)
84 * @param $id Int article ID to load
88 public static function newFromID( $id ) {
89 $t = Title
::newFromID( $id );
90 # @todo FIXME: Doesn't inherit right
91 return $t == null ?
null : new self( $t );
92 # return $t == null ? null : new static( $t ); // PHP 5.3
96 * Returns overrides for action handlers.
97 * Classes listed here will be used instead of the default one when
98 * (and only when) $wgActions[$action] === true. This allows subclasses
99 * to override the default behavior.
103 public function getActionOverrides() {
108 * If this page is a redirect, get its target
110 * The target will be fetched from the redirect table if possible.
111 * If this page doesn't have an entry there, call insertRedirect()
112 * @return Title|mixed object, or null if this page is not a redirect
114 public function getRedirectTarget() {
115 if ( !$this->mTitle
->isRedirect() ) {
119 if ( $this->mRedirectTarget
!== null ) {
120 return $this->mRedirectTarget
;
123 # Query the redirect table
124 $dbr = wfGetDB( DB_SLAVE
);
125 $row = $dbr->selectRow( 'redirect',
126 array( 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ),
127 array( 'rd_from' => $this->getId() ),
131 // rd_fragment and rd_interwiki were added later, populate them if empty
132 if ( $row && !is_null( $row->rd_fragment
) && !is_null( $row->rd_interwiki
) ) {
133 return $this->mRedirectTarget
= Title
::makeTitle(
134 $row->rd_namespace
, $row->rd_title
,
135 $row->rd_fragment
, $row->rd_interwiki
);
138 # This page doesn't have an entry in the redirect table
139 return $this->mRedirectTarget
= $this->insertRedirect();
143 * Insert an entry for this page into the redirect table.
145 * Don't call this function directly unless you know what you're doing.
146 * @return Title object or null if not a redirect
148 public function insertRedirect() {
149 // recurse through to only get the final target
150 $retval = Title
::newFromRedirectRecurse( $this->getRawText() );
154 $this->insertRedirectEntry( $retval );
159 * Insert or update the redirect table entry for this page to indicate
160 * it redirects to $rt .
161 * @param $rt Title redirect target
163 public function insertRedirectEntry( $rt ) {
164 $dbw = wfGetDB( DB_MASTER
);
165 $dbw->replace( 'redirect', array( 'rd_from' ),
167 'rd_from' => $this->getId(),
168 'rd_namespace' => $rt->getNamespace(),
169 'rd_title' => $rt->getDBkey(),
170 'rd_fragment' => $rt->getFragment(),
171 'rd_interwiki' => $rt->getInterwiki(),
178 * Get the Title object or URL this page redirects to
180 * @return mixed false, Title of in-wiki target, or string with URL
182 public function followRedirect() {
183 return $this->getRedirectURL( $this->getRedirectTarget() );
187 * Get the Title object or URL to use for a redirect. We use Title
188 * objects for same-wiki, non-special redirects and URLs for everything
190 * @param $rt Title Redirect target
191 * @return mixed false, Title object of local target, or string with URL
193 public function getRedirectURL( $rt ) {
195 if ( $rt->getInterwiki() != '' ) {
196 if ( $rt->isLocal() ) {
197 // Offsite wikis need an HTTP redirect.
199 // This can be hard to reverse and may produce loops,
200 // so they may be disabled in the site configuration.
201 $source = $this->mTitle
->getFullURL( 'redirect=no' );
202 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
205 if ( $rt->getNamespace() == NS_SPECIAL
) {
206 // Gotta handle redirects to special pages differently:
207 // Fill the HTTP response "Location" header and ignore
208 // the rest of the page we're on.
210 // This can be hard to reverse, so they may be disabled.
211 if ( $rt->isSpecial( 'Userlogout' ) ) {
214 return $rt->getFullURL();
222 // No or invalid redirect
227 * Get the title object of the article
228 * @return Title object of this page
230 public function getTitle() {
231 return $this->mTitle
;
237 public function clear() {
238 $this->mDataLoaded
= false;
240 $this->mCounter
= -1; # Not loaded
241 $this->mRedirectTarget
= null; # Title object if set
242 $this->mLastRevision
= null; # Latest revision
243 $this->mTimestamp
= '';
244 $this->mTouched
= '19700101000000';
245 $this->mIsRedirect
= false;
246 $this->mLatest
= false;
247 $this->mPreparedEdit
= false;
251 * Get the text that needs to be saved in order to undo all revisions
252 * between $undo and $undoafter. Revisions must belong to the same page,
253 * must exist and must not be deleted
254 * @param $undo Revision
255 * @param $undoafter Revision Must be an earlier revision than $undo
256 * @return mixed string on success, false on failure
258 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
259 $cur_text = $this->getRawText();
260 if ( $cur_text === false ) {
261 return false; // no page
263 $undo_text = $undo->getText();
264 $undoafter_text = $undoafter->getText();
266 if ( $cur_text == $undo_text ) {
267 # No use doing a merge if it's just a straight revert.
268 return $undoafter_text;
273 if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) ) {
281 * Return the list of revision fields that should be selected to create
286 public static function selectFields() {
303 * Fetch a page record with the given conditions
304 * @param $dbr DatabaseBase object
305 * @param $conditions Array
306 * @return mixed Database result resource, or false on failure
308 protected function pageData( $dbr, $conditions ) {
309 $fields = self
::selectFields();
311 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
313 $row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__
);
315 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
321 * Fetch a page record matching the Title object's namespace and title
322 * using a sanitized title string
324 * @param $dbr DatabaseBase object
325 * @param $title Title object
326 * @return mixed Database result resource, or false on failure
328 public function pageDataFromTitle( $dbr, $title ) {
329 return $this->pageData( $dbr, array(
330 'page_namespace' => $title->getNamespace(),
331 'page_title' => $title->getDBkey() ) );
335 * Fetch a page record matching the requested ID
337 * @param $dbr DatabaseBase
339 * @return mixed Database result resource, or false on failure
341 public function pageDataFromId( $dbr, $id ) {
342 return $this->pageData( $dbr, array( 'page_id' => $id ) );
346 * Set the general counter, title etc data loaded from
349 * @param $data Object|String One of the following:
350 * A DB query result object or...
351 * "fromdb" to get from a slave DB or...
352 * "fromdbmaster" to get from the master DB
354 public function loadPageData( $data = 'fromdb' ) {
355 if ( $data === 'fromdb' ||
$data === 'fromdbmaster' ) {
356 $db = ( $data == 'fromdbmaster' )
357 ?
wfGetDB( DB_MASTER
)
358 : wfGetDB( DB_SLAVE
);
359 $data = $this->pageDataFromTitle( $db, $this->mTitle
);
362 $lc = LinkCache
::singleton();
365 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
, $data->page_len
, $data->page_is_redirect
, $data->page_latest
);
367 $this->mTitle
->loadFromRow( $data );
369 # Old-fashioned restrictions
370 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
372 $this->mCounter
= intval( $data->page_counter
);
373 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
374 $this->mIsRedirect
= intval( $data->page_is_redirect
);
375 $this->mLatest
= intval( $data->page_latest
);
377 $lc->addBadLinkObj( $this->mTitle
);
379 $this->mTitle
->loadFromRow( false );
382 $this->mDataLoaded
= true;
386 * @return int Page ID
388 public function getId() {
389 return $this->mTitle
->getArticleID();
393 * @return bool Whether or not the page exists in the database
395 public function exists() {
396 return $this->getId() > 0;
400 * Check if this page is something we're going to be showing
401 * some sort of sensible content for. If we return false, page
402 * views (plain action=view) will return an HTTP 404 response,
403 * so spiders and robots can know they're following a bad link.
407 public function hasViewableContent() {
408 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
412 * @return int The view count for the page
414 public function getCount() {
415 if ( -1 == $this->mCounter
) {
416 $id = $this->getId();
421 $dbr = wfGetDB( DB_SLAVE
);
422 $this->mCounter
= $dbr->selectField( 'page',
424 array( 'page_id' => $id ),
430 return $this->mCounter
;
434 * Determine whether a page would be suitable for being counted as an
435 * article in the site_stats table based on the title & its content
437 * @param $editInfo Object or false: object returned by prepareTextForEdit(),
438 * if false, the current database state will be used
441 public function isCountable( $editInfo = false ) {
442 global $wgArticleCountMethod;
444 if ( !$this->mTitle
->isContentPage() ) {
448 $text = $editInfo ?
$editInfo->pst
: false;
450 if ( $this->isRedirect( $text ) ) {
454 switch ( $wgArticleCountMethod ) {
458 if ( $text === false ) {
459 $text = $this->getRawText();
461 return strpos( $text, ',' ) !== false;
464 // ParserOutput::getLinks() is a 2D array of page links, so
465 // to be really correct we would need to recurse in the array
466 // but the main array should only have items in it if there are
468 return (bool)count( $editInfo->output
->getLinks() );
470 return (bool)wfGetDB( DB_SLAVE
)->selectField( 'pagelinks', 1,
471 array( 'pl_from' => $this->getId() ), __METHOD__
);
477 * Tests if the article text represents a redirect
479 * @param $text mixed string containing article contents, or boolean
482 public function isRedirect( $text = false ) {
483 if ( $text === false ) {
484 if ( !$this->mDataLoaded
) {
485 $this->loadPageData();
488 return (bool)$this->mIsRedirect
;
490 return Title
::newFromRedirect( $text ) !== null;
495 * Loads everything except the text
496 * This isn't necessary for all uses, so it's only done if needed.
498 protected function loadLastEdit() {
499 if ( $this->mLastRevision
!== null ) {
500 return; // already loaded
503 $latest = $this->getLatest();
505 return; // page doesn't exist or is missing page_latest info
508 $revision = Revision
::newFromPageId( $this->getId(), $latest );
509 if ( $revision ) { // sanity
510 $this->setLastEdit( $revision );
515 * Set the latest revision
517 protected function setLastEdit( Revision
$revision ) {
518 $this->mLastRevision
= $revision;
519 $this->mTimestamp
= $revision->getTimestamp();
523 * Get the latest revision
524 * @return Revision|null
526 public function getRevision() {
527 $this->loadLastEdit();
528 if ( $this->mLastRevision
) {
529 return $this->mLastRevision
;
535 * Get the text of the current revision. No side-effects...
537 * @param $audience Integer: one of:
538 * Revision::FOR_PUBLIC to be displayed to all users
539 * Revision::FOR_THIS_USER to be displayed to $wgUser
540 * Revision::RAW get the text regardless of permissions
541 * @return String|false The text of the current revision
543 public function getText( $audience = Revision
::FOR_PUBLIC
) {
544 $this->loadLastEdit();
545 if ( $this->mLastRevision
) {
546 return $this->mLastRevision
->getText( $audience );
552 * Get the text of the current revision. No side-effects...
554 * @return String|false The text of the current revision
556 public function getRawText() {
557 $this->loadLastEdit();
558 if ( $this->mLastRevision
) {
559 return $this->mLastRevision
->getRawText();
565 * @return string MW timestamp of last article revision
567 public function getTimestamp() {
568 // Check if the field has been filled by ParserCache::get()
569 if ( !$this->mTimestamp
) {
570 $this->loadLastEdit();
572 return wfTimestamp( TS_MW
, $this->mTimestamp
);
576 * Set the page timestamp (use only to avoid DB queries)
577 * @param $ts string MW timestamp of last article revision
580 public function setTimestamp( $ts ) {
581 $this->mTimestamp
= wfTimestamp( TS_MW
, $ts );
585 * @param $audience Integer: one of:
586 * Revision::FOR_PUBLIC to be displayed to all users
587 * Revision::FOR_THIS_USER to be displayed to $wgUser
588 * Revision::RAW get the text regardless of permissions
589 * @return int user ID for the user that made the last article revision
591 public function getUser( $audience = Revision
::FOR_PUBLIC
) {
592 $this->loadLastEdit();
593 if ( $this->mLastRevision
) {
594 return $this->mLastRevision
->getUser( $audience );
601 * @param $audience Integer: one of:
602 * Revision::FOR_PUBLIC to be displayed to all users
603 * Revision::FOR_THIS_USER to be displayed to $wgUser
604 * Revision::RAW get the text regardless of permissions
605 * @return string username of the user that made the last article revision
607 public function getUserText( $audience = Revision
::FOR_PUBLIC
) {
608 $this->loadLastEdit();
609 if ( $this->mLastRevision
) {
610 return $this->mLastRevision
->getUserText( $audience );
617 * @param $audience Integer: one of:
618 * Revision::FOR_PUBLIC to be displayed to all users
619 * Revision::FOR_THIS_USER to be displayed to $wgUser
620 * Revision::RAW get the text regardless of permissions
621 * @return string Comment stored for the last article revision
623 public function getComment( $audience = Revision
::FOR_PUBLIC
) {
624 $this->loadLastEdit();
625 if ( $this->mLastRevision
) {
626 return $this->mLastRevision
->getComment( $audience );
633 * Returns true if last revision was marked as "minor edit"
635 * @return boolean Minor edit indicator for the last article revision.
637 public function getMinorEdit() {
638 $this->loadLastEdit();
639 if ( $this->mLastRevision
) {
640 return $this->mLastRevision
->isMinor();
647 * Get a list of users who have edited this article, not including the user who made
648 * the most recent revision, which you can get from $article->getUser() if you want it
649 * @return UserArrayFromResult
651 public function getContributors() {
652 # @todo FIXME: This is expensive; cache this info somewhere.
654 $dbr = wfGetDB( DB_SLAVE
);
656 if ( $dbr->implicitGroupby() ) {
657 $realNameField = 'user_real_name';
659 $realNameField = 'FIRST(user_real_name) AS user_real_name';
662 $tables = array( 'revision', 'user' );
665 'rev_user as user_id',
666 'rev_user_text AS user_name',
668 'MAX(rev_timestamp) AS timestamp',
671 $conds = array( 'rev_page' => $this->getId() );
673 // The user who made the top revision gets credited as "this page was last edited by
674 // John, based on contributions by Tom, Dick and Harry", so don't include them twice.
675 $user = $this->getUser();
677 $conds[] = "rev_user != $user";
679 $conds[] = "rev_user_text != {$dbr->addQuotes( $this->getUserText() )}";
682 $conds[] = "{$dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER )} = 0"; // username hidden?
685 'user' => array( 'LEFT JOIN', 'rev_user = user_id' ),
689 'GROUP BY' => array( 'rev_user', 'rev_user_text' ),
690 'ORDER BY' => 'timestamp DESC',
693 $res = $dbr->select( $tables, $fields, $conds, __METHOD__
, $options, $jconds );
694 return new UserArrayFromResult( $res );
698 * Should the parser cache be used?
700 * @param $user User The relevant user
703 public function isParserCacheUsed( User
$user, $oldid ) {
704 global $wgEnableParserCache;
706 return $wgEnableParserCache
707 && $user->getStubThreshold() == 0
710 && !$this->mTitle
->isCssOrJsPage()
711 && !$this->mTitle
->isCssJsSubpage();
715 * Perform the actions of a page purging
717 public function doPurge() {
720 if( !wfRunHooks( 'ArticlePurge', array( &$this ) ) ){
724 // Invalidate the cache
725 $this->mTitle
->invalidateCache();
729 // Commit the transaction before the purge is sent
730 $dbw = wfGetDB( DB_MASTER
);
734 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
738 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
739 if ( $this->getId() == 0 ) {
742 $text = $this->getRawText();
745 MessageCache
::singleton()->replace( $this->mTitle
->getDBkey(), $text );
750 * Insert a new empty page record for this article.
751 * This *must* be followed up by creating a revision
752 * and running $this->updateRevisionOn( ... );
753 * or else the record will be left in a funky state.
754 * Best if all done inside a transaction.
756 * @param $dbw DatabaseBase
757 * @return int The newly created page_id key, or false if the title already existed
760 public function insertOn( $dbw ) {
761 wfProfileIn( __METHOD__
);
763 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
764 $dbw->insert( 'page', array(
765 'page_id' => $page_id,
766 'page_namespace' => $this->mTitle
->getNamespace(),
767 'page_title' => $this->mTitle
->getDBkey(),
769 'page_restrictions' => '',
770 'page_is_redirect' => 0, # Will set this shortly...
772 'page_random' => wfRandom(),
773 'page_touched' => $dbw->timestamp(),
774 'page_latest' => 0, # Fill this in shortly...
775 'page_len' => 0, # Fill this in shortly...
776 ), __METHOD__
, 'IGNORE' );
778 $affected = $dbw->affectedRows();
781 $newid = $dbw->insertId();
782 $this->mTitle
->resetArticleID( $newid );
784 wfProfileOut( __METHOD__
);
786 return $affected ?
$newid : false;
790 * Update the page record to point to a newly saved revision.
792 * @param $dbw DatabaseBase: object
793 * @param $revision Revision: For ID number, and text used to set
794 length and redirect status fields
795 * @param $lastRevision Integer: if given, will not overwrite the page field
796 * when different from the currently set value.
797 * Giving 0 indicates the new page flag should be set
799 * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
800 * removing rows in redirect table.
801 * @return bool true on success, false on failure
804 public function updateRevisionOn( $dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
805 wfProfileIn( __METHOD__
);
807 $text = $revision->getText();
808 $rt = Title
::newFromRedirectRecurse( $text );
810 $conditions = array( 'page_id' => $this->getId() );
812 if ( !is_null( $lastRevision ) ) {
813 # An extra check against threads stepping on each other
814 $conditions['page_latest'] = $lastRevision;
817 $dbw->update( 'page',
819 'page_latest' => $revision->getId(),
820 'page_touched' => $dbw->timestamp(),
821 'page_is_new' => ( $lastRevision === 0 ) ?
1 : 0,
822 'page_is_redirect' => $rt !== null ?
1 : 0,
823 'page_len' => strlen( $text ),
828 $result = $dbw->affectedRows() != 0;
830 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
833 wfProfileOut( __METHOD__
);
838 * Add row to the redirect table if this is a redirect, remove otherwise.
840 * @param $dbw DatabaseBase
841 * @param $redirectTitle Title object pointing to the redirect target,
842 * or NULL if this is not a redirect
843 * @param $lastRevIsRedirect If given, will optimize adding and
844 * removing rows in redirect table.
845 * @return bool true on success, false on failure
848 public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
849 // Always update redirects (target link might have changed)
850 // Update/Insert if we don't know if the last revision was a redirect or not
851 // Delete if changing from redirect to non-redirect
852 $isRedirect = !is_null( $redirectTitle );
854 if ( !$isRedirect && !is_null( $lastRevIsRedirect ) && $lastRevIsRedirect === $isRedirect ) {
858 wfProfileIn( __METHOD__
);
860 $this->insertRedirectEntry( $redirectTitle );
862 // This is not a redirect, remove row from redirect table
863 $where = array( 'rd_from' => $this->getId() );
864 $dbw->delete( 'redirect', $where, __METHOD__
);
867 if ( $this->getTitle()->getNamespace() == NS_FILE
) {
868 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
870 wfProfileOut( __METHOD__
);
872 return ( $dbw->affectedRows() != 0 );
876 * If the given revision is newer than the currently set page_latest,
877 * update the page record. Otherwise, do nothing.
879 * @param $dbw Database object
880 * @param $revision Revision object
883 public function updateIfNewerOn( $dbw, $revision ) {
884 wfProfileIn( __METHOD__
);
886 $row = $dbw->selectRow(
887 array( 'revision', 'page' ),
888 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
890 'page_id' => $this->getId(),
891 'page_latest=rev_id' ),
895 if ( wfTimestamp( TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
896 wfProfileOut( __METHOD__
);
899 $prev = $row->rev_id
;
900 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
902 # No or missing previous revision; mark the page as new
904 $lastRevIsRedirect = null;
907 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
909 wfProfileOut( __METHOD__
);
914 * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
915 * @param $text String: new text of the section
916 * @param $summary String: new section's subject, only if $section is 'new'
917 * @param $edittime String: revision timestamp or null to use the current revision
918 * @return string Complete article text, or null if error
920 public function replaceSection( $section, $text, $summary = '', $edittime = null ) {
921 wfProfileIn( __METHOD__
);
923 if ( strval( $section ) == '' ) {
924 // Whole-page edit; let the whole text through
926 if ( is_null( $edittime ) ) {
927 $rev = Revision
::newFromTitle( $this->mTitle
);
929 $dbw = wfGetDB( DB_MASTER
);
930 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
934 wfDebug( "WikiPage::replaceSection asked for bogus section (page: " .
935 $this->getId() . "; section: $section; edittime: $edittime)\n" );
936 wfProfileOut( __METHOD__
);
940 $oldtext = $rev->getText();
942 if ( $section == 'new' ) {
943 # Inserting a new section
944 $subject = $summary ?
wfMsgForContent( 'newsectionheaderdefaultlevel', $summary ) . "\n\n" : '';
945 $text = strlen( trim( $oldtext ) ) > 0
946 ?
"{$oldtext}\n\n{$subject}{$text}"
947 : "{$subject}{$text}";
949 # Replacing an existing section; roll out the big guns
952 $text = $wgParser->replaceSection( $oldtext, $section, $text );
956 wfProfileOut( __METHOD__
);
961 * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
963 * @return Int updated $flags
965 function checkFlags( $flags ) {
966 if ( !( $flags & EDIT_NEW
) && !( $flags & EDIT_UPDATE
) ) {
967 if ( $this->mTitle
->getArticleID() ) {
968 $flags |
= EDIT_UPDATE
;
978 * Change an existing article or create a new article. Updates RC and all necessary caches,
979 * optionally via the deferred update array.
981 * @param $text String: new text
982 * @param $summary String: edit summary
983 * @param $flags Integer bitfield:
985 * Article is known or assumed to be non-existent, create a new one
987 * Article is known or assumed to be pre-existing, update it
989 * Mark this edit minor, if the user is allowed to do so
991 * Do not log the change in recentchanges
993 * Mark the edit a "bot" edit regardless of user rights
995 * Defer some of the updates until the end of index.php
997 * Fill in blank summaries with generated text where possible
999 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1000 * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
1001 * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
1002 * edit-already-exists error will be returned. These two conditions are also possible with
1003 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1005 * @param $baseRevId the revision ID this edit was based off, if any
1006 * @param $user User the user doing the edit
1008 * @return Status object. Possible errors:
1009 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
1010 * edit-gone-missing: In update mode, but the article didn't exist
1011 * edit-conflict: In update mode, the article changed unexpectedly
1012 * edit-no-change: Warning that the text was the same as before
1013 * edit-already-exists: In creation mode, but the article already exists
1015 * Extensions may define additional errors.
1017 * $return->value will contain an associative array with members as follows:
1018 * new: Boolean indicating if the function attempted to create a new article
1019 * revision: The revision object for the inserted revision, or null
1021 * Compatibility note: this function previously returned a boolean value indicating success/failure
1023 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1024 global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
1026 # Low-level sanity check
1027 if ( $this->mTitle
->getText() === '' ) {
1028 throw new MWException( 'Something is trying to edit an article with an empty title' );
1031 wfProfileIn( __METHOD__
);
1033 $user = is_null( $user ) ?
$wgUser : $user;
1034 $status = Status
::newGood( array() );
1036 # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
1037 $this->loadPageData();
1039 $flags = $this->checkFlags( $flags );
1041 if ( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
1042 $flags & EDIT_MINOR
, null, null, &$flags, &$status ) ) )
1044 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1046 if ( $status->isOK() ) {
1047 $status->fatal( 'edit-hook-aborted' );
1050 wfProfileOut( __METHOD__
);
1054 # Silently ignore EDIT_MINOR if not allowed
1055 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed( 'minoredit' );
1056 $bot = $flags & EDIT_FORCE_BOT
;
1058 $oldtext = $this->getRawText(); // current revision
1059 $oldsize = strlen( $oldtext );
1060 $oldcountable = $this->isCountable();
1062 # Provide autosummaries if one is not provided and autosummaries are enabled.
1063 if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1064 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1067 $editInfo = $this->prepareTextForEdit( $text, null, $user );
1068 $text = $editInfo->pst
;
1069 $newsize = strlen( $text );
1071 $dbw = wfGetDB( DB_MASTER
);
1072 $now = wfTimestampNow();
1073 $this->mTimestamp
= $now;
1075 if ( $flags & EDIT_UPDATE
) {
1076 # Update article, but only if changed.
1077 $status->value
['new'] = false;
1079 # Make sure the revision is either completely inserted or not inserted at all
1080 if ( !$wgDBtransactions ) {
1081 $userAbort = ignore_user_abort( true );
1084 $revision = new Revision( array(
1085 'page' => $this->getId(),
1086 'comment' => $summary,
1087 'minor_edit' => $isminor,
1089 'parent_id' => $this->mLatest
,
1090 'user' => $user->getId(),
1091 'user_text' => $user->getName(),
1095 $changed = ( strcmp( $text, $oldtext ) != 0 );
1098 if ( !$this->mLatest
) {
1099 # Article gone missing
1100 wfDebug( __METHOD__
. ": EDIT_UPDATE specified but article doesn't exist\n" );
1101 $status->fatal( 'edit-gone-missing' );
1103 wfProfileOut( __METHOD__
);
1108 $revisionId = $revision->insertOn( $dbw );
1112 # Note that we use $this->mLatest instead of fetching a value from the master DB
1113 # during the course of this function. This makes sure that EditPage can detect
1114 # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
1115 # before this function is called. A previous function used a separate query, this
1116 # creates a window where concurrent edits can cause an ignored edit conflict.
1117 $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest
);
1120 /* Belated edit conflict! Run away!! */
1121 $status->fatal( 'edit-conflict' );
1123 # Delete the invalid revision if the DB is not transactional
1124 if ( !$wgDBtransactions ) {
1125 $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__
);
1131 global $wgUseRCPatrol;
1132 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, $baseRevId, $user ) );
1133 # Update recentchanges
1134 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1135 # Mark as patrolled if the user can do so
1136 $patrolled = $wgUseRCPatrol && !count(
1137 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1138 # Add RC row to the DB
1139 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1140 $this->mLatest
, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1141 $revisionId, $patrolled
1144 # Log auto-patrolled edits
1146 PatrolLog
::record( $rc, true );
1149 $user->incEditCount();
1154 if ( !$wgDBtransactions ) {
1155 ignore_user_abort( $userAbort );
1158 // Now that ignore_user_abort is restored, we can respond to fatal errors
1159 if ( !$status->isOK() ) {
1160 wfProfileOut( __METHOD__
);
1164 # Update links tables, site stats, etc.
1165 $this->doEditUpdates( $revision, $user, array( 'changed' => $changed,
1166 'oldcountable' => $oldcountable ) );
1169 $status->warning( 'edit-no-change' );
1171 // Keep the same revision ID, but do some updates on it
1172 $revisionId = $this->getLatest();
1173 // Update page_touched, this is usually implicit in the page update
1174 // Other cache updates are done in onArticleEdit()
1175 $this->mTitle
->invalidateCache();
1178 # Create new article
1179 $status->value
['new'] = true;
1183 # Add the page record; stake our claim on this title!
1184 # This will return false if the article already exists
1185 $newid = $this->insertOn( $dbw );
1187 if ( $newid === false ) {
1189 $status->fatal( 'edit-already-exists' );
1191 wfProfileOut( __METHOD__
);
1195 # Save the revision text...
1196 $revision = new Revision( array(
1198 'comment' => $summary,
1199 'minor_edit' => $isminor,
1201 'user' => $user->getId(),
1202 'user_text' => $user->getName(),
1205 $revisionId = $revision->insertOn( $dbw );
1207 $this->mTitle
->resetArticleID( $newid );
1208 # Update the LinkCache. Resetting the Title ArticleID means it will rely on having that already cached
1210 LinkCache
::singleton()->addGoodLinkObj( $newid, $this->mTitle
, strlen( $text ), (bool)Title
::newFromRedirect( $text ), $revisionId );
1212 # Update the page record with revision data
1213 $this->updateRevisionOn( $dbw, $revision, 0 );
1215 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
1217 # Update recentchanges
1218 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1219 global $wgUseRCPatrol, $wgUseNPPatrol;
1221 # Mark as patrolled if the user can do so
1222 $patrolled = ( $wgUseRCPatrol ||
$wgUseNPPatrol ) && !count(
1223 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1224 # Add RC row to the DB
1225 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
1226 '', strlen( $text ), $revisionId, $patrolled );
1228 # Log auto-patrolled edits
1230 PatrolLog
::record( $rc, true );
1233 $user->incEditCount();
1236 # Update links, etc.
1237 $this->doEditUpdates( $revision, $user, array( 'created' => true ) );
1239 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
1240 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
1243 # Do updates right now unless deferral was requested
1244 if ( !( $flags & EDIT_DEFER_UPDATES
) ) {
1248 // Return the new revision (or null) to the caller
1249 $status->value
['revision'] = $revision;
1251 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
1252 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId ) );
1254 # Promote user to any groups they meet the criteria for
1255 $user->addAutopromoteOnceGroups( 'onEdit' );
1257 wfProfileOut( __METHOD__
);
1262 * Update the article's restriction field, and leave a log entry.
1264 * @param $limit Array: set of restriction keys
1265 * @param $reason String
1266 * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
1267 * @param $expiry Array: per restriction type expiration
1268 * @param $user User The user updating the restrictions
1269 * @return bool true on success
1271 public function updateRestrictions(
1272 $limit = array(), $reason = '', &$cascade = 0, $expiry = array(), User
$user = null
1274 global $wgUser, $wgContLang;
1275 $user = is_null( $user ) ?
$wgUser : $user;
1277 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
1279 $id = $this->mTitle
->getArticleID();
1282 wfDebug( "updateRestrictions failed: article id $id <= 0\n" );
1286 if ( wfReadOnly() ) {
1287 wfDebug( "updateRestrictions failed: read-only\n" );
1291 if ( count( $this->mTitle
->getUserPermissionsErrors( 'protect', $user ) ) ) {
1292 wfDebug( "updateRestrictions failed: insufficient permissions\n" );
1300 // Take this opportunity to purge out expired restrictions
1301 Title
::purgeExpiredRestrictions();
1303 # @todo FIXME: Same limitations as described in ProtectionForm.php (line 37);
1304 # we expect a single selection, but the schema allows otherwise.
1306 $updated = self
::flattenRestrictions( $limit );
1309 foreach ( $restrictionTypes as $action ) {
1310 if ( isset( $expiry[$action] ) ) {
1311 # Get current restrictions on $action
1312 $aLimits = $this->mTitle
->getRestrictions( $action );
1313 $current[$action] = implode( '', $aLimits );
1314 # Are any actual restrictions being dealt with here?
1315 $aRChanged = count( $aLimits ) ||
!empty( $limit[$action] );
1317 # If something changed, we need to log it. Checking $aRChanged
1318 # assures that "unprotecting" a page that is not protected does
1319 # not log just because the expiry was "changed".
1321 $this->mTitle
->getRestrictionExpiry( $action ) != $expiry[$action] )
1328 $current = self
::flattenRestrictions( $current );
1330 $changed = ( $changed ||
$current != $updated );
1331 $changed = $changed ||
( $updated && $this->mTitle
->areRestrictionsCascading() != $cascade );
1332 $protect = ( $updated != '' );
1334 # If nothing's changed, do nothing
1336 if ( wfRunHooks( 'ArticleProtect', array( &$this, &$user, $limit, $reason ) ) ) {
1337 $dbw = wfGetDB( DB_MASTER
);
1339 # Prepare a null revision to be added to the history
1340 $modified = $current != '' && $protect;
1343 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
1345 $comment_type = 'unprotectedarticle';
1348 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
1350 # Only restrictions with the 'protect' right can cascade...
1351 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
1352 $editrestriction = isset( $limit['edit'] ) ?
array( $limit['edit'] ) : $this->mTitle
->getRestrictions( 'edit' );
1354 # The schema allows multiple restrictions
1355 if ( !in_array( 'protect', $editrestriction ) && !in_array( 'sysop', $editrestriction ) ) {
1359 $cascade_description = '';
1362 $cascade_description = ' [' . wfMsgForContent( 'protect-summary-cascade' ) . ']';
1366 $comment .= ": $reason";
1369 $editComment = $comment;
1370 $encodedExpiry = array();
1371 $protect_description = '';
1372 foreach ( $limit as $action => $restrictions ) {
1373 if ( !isset( $expiry[$action] ) )
1374 $expiry[$action] = $dbw->getInfinity();
1376 $encodedExpiry[$action] = $dbw->encodeExpiry( $expiry[$action] );
1377 if ( $restrictions != '' ) {
1378 $protect_description .= "[$action=$restrictions] (";
1379 if ( $encodedExpiry[$action] != 'infinity' ) {
1380 $protect_description .= wfMsgForContent( 'protect-expiring',
1381 $wgContLang->timeanddate( $expiry[$action], false, false ) ,
1382 $wgContLang->date( $expiry[$action], false, false ) ,
1383 $wgContLang->time( $expiry[$action], false, false ) );
1385 $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
1388 $protect_description .= ') ';
1391 $protect_description = trim( $protect_description );
1393 if ( $protect_description && $protect ) {
1394 $editComment .= " ($protect_description)";
1398 $editComment .= "$cascade_description";
1401 # Update restrictions table
1402 foreach ( $limit as $action => $restrictions ) {
1403 if ( $restrictions != '' ) {
1404 $dbw->replace( 'page_restrictions', array( array( 'pr_page', 'pr_type' ) ),
1405 array( 'pr_page' => $id,
1406 'pr_type' => $action,
1407 'pr_level' => $restrictions,
1408 'pr_cascade' => ( $cascade && $action == 'edit' ) ?
1 : 0,
1409 'pr_expiry' => $encodedExpiry[$action]
1414 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
1415 'pr_type' => $action ), __METHOD__
);
1419 # Insert a null revision
1420 $nullRevision = Revision
::newNullRevision( $dbw, $id, $editComment, true );
1421 $nullRevId = $nullRevision->insertOn( $dbw );
1423 $latest = $this->getLatest();
1424 # Update page record
1425 $dbw->update( 'page',
1427 'page_touched' => $dbw->timestamp(),
1428 'page_restrictions' => '',
1429 'page_latest' => $nullRevId
1430 ), array( /* WHERE */
1435 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $nullRevision, $latest, $user ) );
1436 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$user, $limit, $reason ) );
1438 # Update the protection log
1439 $log = new LogPage( 'protect' );
1441 $params = array( $protect_description, $cascade ?
'cascade' : '' );
1442 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason ), $params );
1444 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
1447 } # End "changed" check
1453 * Take an array of page restrictions and flatten it to a string
1454 * suitable for insertion into the page_restrictions field.
1455 * @param $limit Array
1458 protected static function flattenRestrictions( $limit ) {
1459 if ( !is_array( $limit ) ) {
1460 throw new MWException( 'WikiPage::flattenRestrictions given non-array restriction set' );
1466 foreach ( $limit as $action => $restrictions ) {
1467 if ( $restrictions != '' ) {
1468 $bits[] = "$action=$restrictions";
1472 return implode( ':', $bits );
1476 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
1478 public function isBigDeletion() {
1479 global $wgDeleteRevisionsLimit;
1481 if ( $wgDeleteRevisionsLimit ) {
1482 $revCount = $this->estimateRevisionCount();
1484 return $revCount > $wgDeleteRevisionsLimit;
1491 * @return int approximate revision count
1493 public function estimateRevisionCount() {
1494 $dbr = wfGetDB( DB_SLAVE
);
1496 // For an exact count...
1497 // return $dbr->selectField( 'revision', 'COUNT(*)',
1498 // array( 'rev_page' => $this->getId() ), __METHOD__ );
1499 return $dbr->estimateRowCount( 'revision', '*',
1500 array( 'rev_page' => $this->getId() ), __METHOD__
);
1504 * Get the last N authors
1505 * @param $num Integer: number of revisions to get
1506 * @param $revLatest String: the latest rev_id, selected from the master (optional)
1507 * @return array Array of authors, duplicates not removed
1509 public function getLastNAuthors( $num, $revLatest = 0 ) {
1510 wfProfileIn( __METHOD__
);
1511 // First try the slave
1512 // If that doesn't have the latest revision, try the master
1514 $db = wfGetDB( DB_SLAVE
);
1517 $res = $db->select( array( 'page', 'revision' ),
1518 array( 'rev_id', 'rev_user_text' ),
1520 'page_namespace' => $this->mTitle
->getNamespace(),
1521 'page_title' => $this->mTitle
->getDBkey(),
1522 'rev_page = page_id'
1525 'ORDER BY' => 'rev_timestamp DESC',
1531 wfProfileOut( __METHOD__
);
1535 $row = $db->fetchObject( $res );
1537 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
1538 $db = wfGetDB( DB_MASTER
);
1543 } while ( $continue );
1545 $authors = array( $row->rev_user_text
);
1547 foreach ( $res as $row ) {
1548 $authors[] = $row->rev_user_text
;
1551 wfProfileOut( __METHOD__
);
1556 * Back-end article deletion
1557 * Deletes the article with database consistency, writes logs, purges caches
1559 * @param $reason string delete reason for deletion log
1560 * @param suppress bitfield
1561 * Revision::DELETED_TEXT
1562 * Revision::DELETED_COMMENT
1563 * Revision::DELETED_USER
1564 * Revision::DELETED_RESTRICTED
1565 * @param $id int article ID
1566 * @param $commit boolean defaults to true, triggers transaction end
1567 * @param &$errors Array of errors to append to
1568 * @param $user User The relevant user
1569 * @return boolean true if successful
1571 public function doDeleteArticle(
1572 $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User
$user = null
1574 global $wgDeferredUpdateList, $wgUseTrackbacks, $wgUser;
1575 $user = is_null( $user ) ?
$wgUser : $user;
1577 wfDebug( __METHOD__
. "\n" );
1579 if ( ! wfRunHooks( 'ArticleDelete', array( &$this, &$user, &$reason, &$error ) ) ) {
1582 $dbw = wfGetDB( DB_MASTER
);
1583 $t = $this->mTitle
->getDBkey();
1584 $id = $id ?
$id : $this->mTitle
->getArticleID( Title
::GAID_FOR_UPDATE
);
1586 if ( $t === '' ||
$id == 0 ) {
1590 $u = new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 );
1591 array_push( $wgDeferredUpdateList, $u );
1593 // Bitfields to further suppress the content
1596 // This should be 15...
1597 $bitfield |
= Revision
::DELETED_TEXT
;
1598 $bitfield |
= Revision
::DELETED_COMMENT
;
1599 $bitfield |
= Revision
::DELETED_USER
;
1600 $bitfield |
= Revision
::DELETED_RESTRICTED
;
1602 $bitfield = 'rev_deleted';
1606 // For now, shunt the revision data into the archive table.
1607 // Text is *not* removed from the text table; bulk storage
1608 // is left intact to avoid breaking block-compression or
1609 // immutable storage schemes.
1611 // For backwards compatibility, note that some older archive
1612 // table entries will have ar_text and ar_flags fields still.
1614 // In the future, we may keep revisions and mark them with
1615 // the rev_deleted field, which is reserved for this purpose.
1616 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
1618 'ar_namespace' => 'page_namespace',
1619 'ar_title' => 'page_title',
1620 'ar_comment' => 'rev_comment',
1621 'ar_user' => 'rev_user',
1622 'ar_user_text' => 'rev_user_text',
1623 'ar_timestamp' => 'rev_timestamp',
1624 'ar_minor_edit' => 'rev_minor_edit',
1625 'ar_rev_id' => 'rev_id',
1626 'ar_text_id' => 'rev_text_id',
1627 'ar_text' => '\'\'', // Be explicit to appease
1628 'ar_flags' => '\'\'', // MySQL's "strict mode"...
1629 'ar_len' => 'rev_len',
1630 'ar_page_id' => 'page_id',
1631 'ar_deleted' => $bitfield
1634 'page_id = rev_page'
1638 # Delete restrictions for it
1639 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
1641 # Now that it's safely backed up, delete it
1642 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
1643 $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
1650 # Fix category table counts
1652 $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__
);
1654 foreach ( $res as $row ) {
1655 $cats [] = $row->cl_to
;
1658 $this->updateCategoryCounts( array(), $cats );
1660 # If using cascading deletes, we can skip some explicit deletes
1661 if ( !$dbw->cascadingDeletes() ) {
1662 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
1664 if ( $wgUseTrackbacks )
1665 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
1667 # Delete outgoing links
1668 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
1669 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
1670 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
1671 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
1672 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
1673 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
1674 $dbw->delete( 'iwlinks', array( 'iwl_from' => $id ) );
1675 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
1678 # If using cleanup triggers, we can skip some manual deletes
1679 if ( !$dbw->cleanupTriggers() ) {
1680 # Clean up recentchanges entries...
1681 $dbw->delete( 'recentchanges',
1682 array( 'rc_type != ' . RC_LOG
,
1683 'rc_namespace' => $this->mTitle
->getNamespace(),
1684 'rc_title' => $this->mTitle
->getDBkey() ),
1686 $dbw->delete( 'recentchanges',
1687 array( 'rc_type != ' . RC_LOG
, 'rc_cur_id' => $id ),
1692 self
::onArticleDelete( $this->mTitle
);
1694 # Clear the cached article id so the interface doesn't act like we exist
1695 $this->mTitle
->resetArticleID( 0 );
1697 # Log the deletion, if the page was suppressed, log it at Oversight instead
1698 $logtype = $suppress ?
'suppress' : 'delete';
1699 $log = new LogPage( $logtype );
1701 # Make sure logging got through
1702 $log->addEntry( 'delete', $this->mTitle
, $reason, array() );
1708 wfRunHooks( 'ArticleDeleteComplete', array( &$this, &$user, $reason, $id ) );
1713 * Roll back the most recent consecutive set of edits to a page
1714 * from the same user; fails if there are no eligible edits to
1715 * roll back to, e.g. user is the sole contributor. This function
1716 * performs permissions checks on $user, then calls commitRollback()
1717 * to do the dirty work
1719 * @param $fromP String: Name of the user whose edits to rollback.
1720 * @param $summary String: Custom summary. Set to default summary if empty.
1721 * @param $token String: Rollback token.
1722 * @param $bot Boolean: If true, mark all reverted edits as bot.
1724 * @param $resultDetails Array: contains result-specific array of additional values
1725 * 'alreadyrolled' : 'current' (rev)
1726 * success : 'summary' (str), 'current' (rev), 'target' (rev)
1728 * @param $user User The user performing the rollback
1729 * @return array of errors, each error formatted as
1730 * array(messagekey, param1, param2, ...).
1731 * On success, the array is empty. This array can also be passed to
1732 * OutputPage::showPermissionsErrorPage().
1734 public function doRollback(
1735 $fromP, $summary, $token, $bot, &$resultDetails, User
$user
1737 $resultDetails = null;
1740 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $user );
1741 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $user );
1742 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
1744 if ( !$user->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) ) {
1745 $errors[] = array( 'sessionfailure' );
1748 if ( $user->pingLimiter( 'rollback' ) ||
$user->pingLimiter() ) {
1749 $errors[] = array( 'actionthrottledtext' );
1752 # If there were errors, bail out now
1753 if ( !empty( $errors ) ) {
1757 return $this->commitRollback( $fromP, $summary, $bot, $resultDetails, $user );
1761 * Backend implementation of doRollback(), please refer there for parameter
1762 * and return value documentation
1764 * NOTE: This function does NOT check ANY permissions, it just commits the
1765 * rollback to the DB Therefore, you should only call this function direct-
1766 * ly if you want to use custom permissions checks. If you don't, use
1767 * doRollback() instead.
1768 * @param $fromP String: Name of the user whose edits to rollback.
1769 * @param $summary String: Custom summary. Set to default summary if empty.
1770 * @param $bot Boolean: If true, mark all reverted edits as bot.
1772 * @param $resultDetails Array: contains result-specific array of additional values
1773 * @param $guser User The user performing the rollback
1775 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser ) {
1776 global $wgUseRCPatrol, $wgContLang;
1778 $dbw = wfGetDB( DB_MASTER
);
1780 if ( wfReadOnly() ) {
1781 return array( array( 'readonlytext' ) );
1784 # Get the last editor
1785 $current = Revision
::newFromTitle( $this->mTitle
);
1786 if ( is_null( $current ) ) {
1787 # Something wrong... no page?
1788 return array( array( 'notanarticle' ) );
1791 $from = str_replace( '_', ' ', $fromP );
1792 # User name given should match up with the top revision.
1793 # If the user was deleted then $from should be empty.
1794 if ( $from != $current->getUserText() ) {
1795 $resultDetails = array( 'current' => $current );
1796 return array( array( 'alreadyrolled',
1797 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
1798 htmlspecialchars( $fromP ),
1799 htmlspecialchars( $current->getUserText() )
1803 # Get the last edit not by this guy...
1804 # Note: these may not be public values
1805 $user = intval( $current->getRawUser() );
1806 $user_text = $dbw->addQuotes( $current->getRawUserText() );
1807 $s = $dbw->selectRow( 'revision',
1808 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
1809 array( 'rev_page' => $current->getPage(),
1810 "rev_user != {$user} OR rev_user_text != {$user_text}"
1812 array( 'USE INDEX' => 'page_timestamp',
1813 'ORDER BY' => 'rev_timestamp DESC' )
1815 if ( $s === false ) {
1816 # No one else ever edited this page
1817 return array( array( 'cantrollback' ) );
1818 } elseif ( $s->rev_deleted
& Revision
::DELETED_TEXT ||
$s->rev_deleted
& Revision
::DELETED_USER
) {
1819 # Only admins can see this text
1820 return array( array( 'notvisiblerev' ) );
1824 if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
1825 # Mark all reverted edits as bot
1829 if ( $wgUseRCPatrol ) {
1830 # Mark all reverted edits as patrolled
1831 $set['rc_patrolled'] = 1;
1834 if ( count( $set ) ) {
1835 $dbw->update( 'recentchanges', $set,
1837 'rc_cur_id' => $current->getPage(),
1838 'rc_user_text' => $current->getUserText(),
1839 "rc_timestamp > '{$s->rev_timestamp}'",
1844 # Generate the edit summary if necessary
1845 $target = Revision
::newFromId( $s->rev_id
);
1846 if ( empty( $summary ) ) {
1847 if ( $from == '' ) { // no public user name
1848 $summary = wfMsgForContent( 'revertpage-nouser' );
1850 $summary = wfMsgForContent( 'revertpage' );
1854 # Allow the custom summary to use the same args as the default message
1856 $target->getUserText(), $from, $s->rev_id
,
1857 $wgContLang->timeanddate( wfTimestamp( TS_MW
, $s->rev_timestamp
) ),
1858 $current->getId(), $wgContLang->timeanddate( $current->getTimestamp() )
1860 $summary = wfMsgReplaceArgs( $summary, $args );
1863 $flags = EDIT_UPDATE
;
1865 if ( $guser->isAllowed( 'minoredit' ) ) {
1866 $flags |
= EDIT_MINOR
;
1869 if ( $bot && ( $guser->isAllowedAny( 'markbotedits', 'bot' ) ) ) {
1870 $flags |
= EDIT_FORCE_BOT
;
1873 # Actually store the edit
1874 $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
1875 if ( !empty( $status->value
['revision'] ) ) {
1876 $revId = $status->value
['revision']->getId();
1881 wfRunHooks( 'ArticleRollbackComplete', array( $this, $guser, $target, $current ) );
1883 $resultDetails = array(
1884 'summary' => $summary,
1885 'current' => $current,
1886 'target' => $target,
1894 * Do standard deferred updates after page view
1895 * @param $user User The relevant user
1897 public function doViewUpdates( User
$user ) {
1898 global $wgDeferredUpdateList, $wgDisableCounters;
1899 if ( wfReadOnly() ) {
1903 # Don't update page view counters on views from bot users (bug 14044)
1904 if ( !$wgDisableCounters && !$user->isAllowed( 'bot' ) && $this->getId() ) {
1905 $wgDeferredUpdateList[] = new ViewCountUpdate( $this->getId() );
1906 $wgDeferredUpdateList[] = new SiteStatsUpdate( 1, 0, 0 );
1909 # Update newtalk / watchlist notification status
1910 $user->clearNotification( $this->mTitle
);
1914 * Prepare text which is about to be saved.
1915 * Returns a stdclass with source, pst and output members
1917 public function prepareTextForEdit( $text, $revid = null, User
$user = null ) {
1918 global $wgParser, $wgUser;
1919 $user = is_null( $user ) ?
$wgUser : $user;
1920 // @TODO fixme: check $user->getId() here???
1921 if ( $this->mPreparedEdit
1922 && $this->mPreparedEdit
->newText
== $text
1923 && $this->mPreparedEdit
->revid
== $revid
1926 return $this->mPreparedEdit
;
1929 $popts = ParserOptions
::newFromUser( $user );
1930 wfRunHooks( 'ArticlePrepareTextForEdit', array( $this, $popts ) );
1932 $edit = (object)array();
1933 $edit->revid
= $revid;
1934 $edit->newText
= $text;
1935 $edit->pst
= $this->preSaveTransform( $text, $user, $popts );
1936 $edit->popts
= $this->getParserOptions( true );
1937 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $edit->popts
, true, true, $revid );
1938 $edit->oldText
= $this->getRawText();
1940 $this->mPreparedEdit
= $edit;
1946 * Do standard deferred updates after page edit.
1947 * Update links tables, site stats, search index and message cache.
1948 * Purges pages that include this page if the text was changed here.
1949 * Every 100th edit, prune the recent changes table.
1952 * @param $revision Revision object
1953 * @param $user User object that did the revision
1954 * @param $options Array of options, following indexes are used:
1955 * - changed: boolean, whether the revision changed the content (default true)
1956 * - created: boolean, whether the revision created the page (default false)
1957 * - oldcountable: boolean or null (default null):
1958 * - boolean: whether the page was counted as an article before that
1959 * revision, only used in changed is true and created is false
1960 * - null: don't change the article count
1962 public function doEditUpdates( Revision
$revision, User
$user, array $options = array() ) {
1963 global $wgDeferredUpdateList, $wgEnableParserCache;
1965 wfProfileIn( __METHOD__
);
1967 $options +
= array( 'changed' => true, 'created' => false, 'oldcountable' => null );
1968 $text = $revision->getText();
1971 # Be careful not to double-PST: $text is usually already PST-ed once
1972 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
1973 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
1974 $editInfo = $this->prepareTextForEdit( $text, $revision->getId(), $user );
1976 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
1977 $editInfo = $this->mPreparedEdit
;
1980 # Save it to the parser cache
1981 if ( $wgEnableParserCache ) {
1982 $parserCache = ParserCache
::singleton();
1983 $parserCache->save( $editInfo->output
, $this, $editInfo->popts
);
1986 # Update the links tables
1987 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
);
1990 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $options['changed'] ) );
1992 if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
1993 if ( 0 == mt_rand( 0, 99 ) ) {
1994 // Flush old entries from the `recentchanges` table; we do this on
1995 // random requests so as to avoid an increase in writes for no good reason
1998 $dbw = wfGetDB( DB_MASTER
);
1999 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2002 array( "rc_timestamp < '$cutoff'" ),
2008 $id = $this->getId();
2009 $title = $this->mTitle
->getPrefixedDBkey();
2010 $shortTitle = $this->mTitle
->getDBkey();
2013 wfProfileOut( __METHOD__
);
2017 if ( !$options['changed'] ) {
2020 } elseif ( $options['created'] ) {
2021 $good = (int)$this->isCountable( $editInfo );
2023 } elseif ( $options['oldcountable'] !== null ) {
2024 $good = (int)$this->isCountable( $editInfo ) - (int)$options['oldcountable'];
2031 $wgDeferredUpdateList[] = new SiteStatsUpdate( 0, 1, $good, $total );
2032 $wgDeferredUpdateList[] = new SearchUpdate( $id, $title, $text );
2034 # If this is another user's talk page, update newtalk.
2035 # Don't do this if $options['changed'] = false (null-edits) nor if
2036 # it's a minor edit and the user doesn't want notifications for those.
2037 if ( $options['changed']
2038 && $this->mTitle
->getNamespace() == NS_USER_TALK
2039 && $shortTitle != $user->getTitleKey()
2040 && !( $revision->isMinor() && $user->isAllowed( 'nominornewtalk' ) )
2042 if ( wfRunHooks( 'ArticleEditUpdateNewTalk', array( &$this ) ) ) {
2043 $other = User
::newFromName( $shortTitle, false );
2045 wfDebug( __METHOD__
. ": invalid username\n" );
2046 } elseif ( User
::isIP( $shortTitle ) ) {
2047 // An anonymous user
2048 $other->setNewtalk( true );
2049 } elseif ( $other->isLoggedIn() ) {
2050 $other->setNewtalk( true );
2052 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2057 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2058 MessageCache
::singleton()->replace( $shortTitle, $text );
2061 if( $options['created'] ) {
2062 self
::onArticleCreate( $this->mTitle
);
2064 self
::onArticleEdit( $this->mTitle
);
2067 wfProfileOut( __METHOD__
);
2071 * Perform article updates on a special page creation.
2073 * @param $rev Revision object
2075 * @todo This is a shitty interface function. Kill it and replace the
2076 * other shitty functions like doEditUpdates and such so it's not needed
2078 * @deprecated since 1.18, use doEditUpdates()
2080 public function createUpdates( $rev ) {
2082 $this->doEditUpdates( $rev, $wgUser, array( 'created' => true ) );
2086 * This function is called right before saving the wikitext,
2087 * so we can do things like signatures and links-in-context.
2089 * @param $text String article contents
2090 * @param $user User object: user doing the edit
2091 * @param $popts ParserOptions object: parser options, default options for
2092 * the user loaded if null given
2093 * @return string article contents with altered wikitext markup (signatures
2094 * converted, {{subst:}}, templates, etc.)
2096 public function preSaveTransform( $text, User
$user = null, ParserOptions
$popts = null ) {
2097 global $wgParser, $wgUser;
2098 $user = is_null( $user ) ?
$wgUser : $user;
2100 if ( $popts === null ) {
2101 $popts = ParserOptions
::newFromUser( $user );
2104 return $wgParser->preSaveTransform( $text, $this->mTitle
, $user, $popts );
2108 * Loads page_touched and returns a value indicating if it should be used
2109 * @return boolean true if not a redirect
2111 public function checkTouched() {
2112 if ( !$this->mDataLoaded
) {
2113 $this->loadPageData();
2115 return !$this->mIsRedirect
;
2119 * Get the page_touched field
2120 * @return string containing GMT timestamp
2122 public function getTouched() {
2123 if ( !$this->mDataLoaded
) {
2124 $this->loadPageData();
2126 return $this->mTouched
;
2130 * Get the page_latest field
2131 * @return integer rev_id of current revision
2133 public function getLatest() {
2134 if ( !$this->mDataLoaded
) {
2135 $this->loadPageData();
2137 return (int)$this->mLatest
;
2141 * Edit an article without doing all that other stuff
2142 * The article must already exist; link tables etc
2143 * are not updated, caches are not flushed.
2145 * @param $text String: text submitted
2146 * @param $user User The relevant user
2147 * @param $comment String: comment submitted
2148 * @param $minor Boolean: whereas it's a minor modification
2150 public function doQuickEdit( $text, User
$user, $comment = '', $minor = 0 ) {
2151 wfProfileIn( __METHOD__
);
2153 $dbw = wfGetDB( DB_MASTER
);
2154 $revision = new Revision( array(
2155 'page' => $this->getId(),
2157 'comment' => $comment,
2158 'minor_edit' => $minor ?
1 : 0,
2160 $revision->insertOn( $dbw );
2161 $this->updateRevisionOn( $dbw, $revision );
2163 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
2165 wfProfileOut( __METHOD__
);
2169 * The onArticle*() functions are supposed to be a kind of hooks
2170 * which should be called whenever any of the specified actions
2173 * This is a good place to put code to clear caches, for instance.
2175 * This is called on page move and undelete, as well as edit
2177 * @param $title Title object
2179 public static function onArticleCreate( $title ) {
2180 # Update existence markers on article/talk tabs...
2181 if ( $title->isTalkPage() ) {
2182 $other = $title->getSubjectPage();
2184 $other = $title->getTalkPage();
2187 $other->invalidateCache();
2188 $other->purgeSquid();
2190 $title->touchLinks();
2191 $title->purgeSquid();
2192 $title->deleteTitleProtection();
2196 * Clears caches when article is deleted
2198 * @param $title Title
2200 public static function onArticleDelete( $title ) {
2201 # Update existence markers on article/talk tabs...
2202 if ( $title->isTalkPage() ) {
2203 $other = $title->getSubjectPage();
2205 $other = $title->getTalkPage();
2208 $other->invalidateCache();
2209 $other->purgeSquid();
2211 $title->touchLinks();
2212 $title->purgeSquid();
2215 HTMLFileCache
::clearFileCache( $title );
2218 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
2219 MessageCache
::singleton()->replace( $title->getDBkey(), false );
2223 if ( $title->getNamespace() == NS_FILE
) {
2224 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
2225 $update->doUpdate();
2229 if ( $title->getNamespace() == NS_USER_TALK
) {
2230 $user = User
::newFromName( $title->getText(), false );
2231 $user->setNewtalk( false );
2235 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
2239 * Purge caches on page update etc
2241 * @param $title Title object
2242 * @todo: verify that $title is always a Title object (and never false or null), add Title hint to parameter $title
2244 public static function onArticleEdit( $title ) {
2245 global $wgDeferredUpdateList;
2247 // Invalidate caches of articles which include this page
2248 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
2250 // Invalidate the caches of all pages which redirect here
2251 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
2253 # Purge squid for this page only
2254 $title->purgeSquid();
2256 # Clear file cache for this page only
2257 HTMLFileCache
::clearFileCache( $title );
2263 * Return a list of templates used by this article.
2264 * Uses the templatelinks table
2266 * @return Array of Title objects
2268 public function getUsedTemplates() {
2270 $id = $this->mTitle
->getArticleID();
2276 $dbr = wfGetDB( DB_SLAVE
);
2277 $res = $dbr->select( array( 'templatelinks' ),
2278 array( 'tl_namespace', 'tl_title' ),
2279 array( 'tl_from' => $id ),
2282 if ( $res !== false ) {
2283 foreach ( $res as $row ) {
2284 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
2292 * Returns a list of hidden categories this page is a member of.
2293 * Uses the page_props and categorylinks tables.
2295 * @return Array of Title objects
2297 public function getHiddenCategories() {
2299 $id = $this->mTitle
->getArticleID();
2305 $dbr = wfGetDB( DB_SLAVE
);
2306 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
2308 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
2309 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to' ),
2312 if ( $res !== false ) {
2313 foreach ( $res as $row ) {
2314 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
2322 * Return an applicable autosummary if one exists for the given edit.
2323 * @param $oldtext String: the previous text of the page.
2324 * @param $newtext String: The submitted text of the page.
2325 * @param $flags Int bitmask: a bitmask of flags submitted for the edit.
2326 * @return string An appropriate autosummary, or an empty string.
2328 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2331 # Decide what kind of autosummary is needed.
2333 # Redirect autosummaries
2334 $ot = Title
::newFromRedirect( $oldtext );
2335 $rt = Title
::newFromRedirect( $newtext );
2337 if ( is_object( $rt ) && ( !is_object( $ot ) ||
!$rt->equals( $ot ) ||
$ot->getFragment() != $rt->getFragment() ) ) {
2338 $truncatedtext = $wgContLang->truncate(
2339 str_replace( "\n", ' ', $newtext ),
2341 - strlen( wfMsgForContent( 'autoredircomment' ) )
2342 - strlen( $rt->getFullText() )
2344 return wfMsgForContent( 'autoredircomment', $rt->getFullText(), $truncatedtext );
2347 # New page autosummaries
2348 if ( $flags & EDIT_NEW
&& strlen( $newtext ) ) {
2349 # If they're making a new article, give its text, truncated, in the summary.
2351 $truncatedtext = $wgContLang->truncate(
2352 str_replace( "\n", ' ', $newtext ),
2353 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
2355 return wfMsgForContent( 'autosumm-new', $truncatedtext );
2358 # Blanking autosummaries
2359 if ( $oldtext != '' && $newtext == '' ) {
2360 return wfMsgForContent( 'autosumm-blank' );
2361 } elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
2362 # Removing more than 90% of the article
2364 $truncatedtext = $wgContLang->truncate(
2366 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
2368 return wfMsgForContent( 'autosumm-replace', $truncatedtext );
2371 # If we reach this point, there's no applicable autosummary for our case, so our
2372 # autosummary is empty.
2377 * Get parser options suitable for rendering the primary article wikitext
2378 * @param $canonical boolean Determines that the generated options must not depend on user preferences (see bug 14404)
2379 * @return mixed ParserOptions object or boolean false
2381 public function getParserOptions( $canonical = false ) {
2382 global $wgUser, $wgLanguageCode;
2384 if ( !$this->mParserOptions ||
$canonical ) {
2385 $user = !$canonical ?
$wgUser : new User
;
2386 $parserOptions = new ParserOptions( $user );
2387 $parserOptions->setTidy( true );
2388 $parserOptions->enableLimitReport();
2391 $parserOptions->setUserLang( $wgLanguageCode ); # Must be set explicitely
2392 return $parserOptions;
2394 $this->mParserOptions
= $parserOptions;
2396 // Clone to allow modifications of the return value without affecting cache
2397 return clone $this->mParserOptions
;
2401 * Get parser options suitable for rendering the primary article wikitext
2403 * @return ParserOptions
2405 public function makeParserOptions( User
$user ) {
2406 $options = ParserOptions
::newFromUser( $user );
2407 $options->enableLimitReport(); // show inclusion/loop reports
2408 $options->setTidy( true ); // fix bad HTML
2413 * Update all the appropriate counts in the category table, given that
2414 * we've added the categories $added and deleted the categories $deleted.
2416 * @param $added array The names of categories that were added
2417 * @param $deleted array The names of categories that were deleted
2419 public function updateCategoryCounts( $added, $deleted ) {
2420 $ns = $this->mTitle
->getNamespace();
2421 $dbw = wfGetDB( DB_MASTER
);
2423 # First make sure the rows exist. If one of the "deleted" ones didn't
2424 # exist, we might legitimately not create it, but it's simpler to just
2425 # create it and then give it a negative value, since the value is bogus
2428 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
2429 $insertCats = array_merge( $added, $deleted );
2430 if ( !$insertCats ) {
2431 # Okay, nothing to do
2435 $insertRows = array();
2437 foreach ( $insertCats as $cat ) {
2438 $insertRows[] = array(
2439 'cat_id' => $dbw->nextSequenceValue( 'category_cat_id_seq' ),
2443 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
2445 $addFields = array( 'cat_pages = cat_pages + 1' );
2446 $removeFields = array( 'cat_pages = cat_pages - 1' );
2448 if ( $ns == NS_CATEGORY
) {
2449 $addFields[] = 'cat_subcats = cat_subcats + 1';
2450 $removeFields[] = 'cat_subcats = cat_subcats - 1';
2451 } elseif ( $ns == NS_FILE
) {
2452 $addFields[] = 'cat_files = cat_files + 1';
2453 $removeFields[] = 'cat_files = cat_files - 1';
2460 array( 'cat_title' => $added ),
2469 array( 'cat_title' => $deleted ),
2476 * Updates cascading protections
2478 * @param $parserOutput ParserOutput object for the current version
2480 public function doCascadeProtectionUpdates( ParserOutput
$parserOutput ) {
2481 if ( wfReadOnly() ||
!$this->mTitle
->areRestrictionsCascading() ) {
2485 // templatelinks table may have become out of sync,
2486 // especially if using variable-based transclusions.
2487 // For paranoia, check if things have changed and if
2488 // so apply updates to the database. This will ensure
2489 // that cascaded protections apply as soon as the changes
2492 # Get templates from templatelinks
2493 $id = $this->mTitle
->getArticleID();
2495 $tlTemplates = array();
2497 $dbr = wfGetDB( DB_SLAVE
);
2498 $res = $dbr->select( array( 'templatelinks' ),
2499 array( 'tl_namespace', 'tl_title' ),
2500 array( 'tl_from' => $id ),
2504 foreach ( $res as $row ) {
2505 $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
2508 # Get templates from parser output.
2509 $poTemplates = array();
2510 foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
2511 foreach ( $templates as $dbk => $id ) {
2512 $poTemplates["$ns:$dbk"] = true;
2517 $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
2519 if ( count( $templates_diff ) > 0 ) {
2520 # Whee, link updates time.
2521 $u = new LinksUpdate( $this->mTitle
, $parserOutput, false );
2527 * @deprecated since 1.18
2529 public function quickEdit( $text, $comment = '', $minor = 0 ) {
2531 return $this->doQuickEdit( $text, $wgUser, $comment, $minor );
2535 * @deprecated since 1.18
2537 public function viewUpdates() {
2539 return $this->doViewUpdates( $wgUser );
2543 * @deprecated since 1.18
2545 public function useParserCache( $oldid ) {
2547 return $this->isParserCacheUsed( $wgUser, $oldid );