8 * Class representing a MediaWiki article and history.
10 * See design.txt for an overview.
11 * Note: edit user interface and cache support functions have been
12 * moved to separate EditPage and HTMLFileCache classes.
19 var $mComment = ''; //!<
21 var $mContentLoaded = false; //!<
22 var $mCounter = -1; //!< Not loaded
23 var $mCurID = -1; //!< Not loaded
24 var $mDataLoaded = false; //!<
25 var $mForUpdate = false; //!<
26 var $mGoodAdjustment = 0; //!<
27 var $mIsRedirect = false; //!<
28 var $mLatest = false; //!<
31 var $mPreparedEdit = false; //!< Title object if set
32 var $mRedirectedFrom = null; //!< Title object if set
33 var $mRedirectTarget = null; //!< Title object if set
34 var $mRedirectUrl = false; //!<
35 var $mRevIdFetched = 0; //!<
37 var $mTimestamp = ''; //!<
39 var $mTotalAdjustment = 0; //!<
40 var $mTouched = '19700101000000'; //!<
41 var $mUser = -1; //!< Not loaded
42 var $mUserText = ''; //!<
46 * Constructor and clear the article
47 * @param $title Reference to a Title object.
48 * @param $oldId Integer revision ID, null to fetch from request, zero for current
50 public function __construct( Title
$title, $oldId = null ) {
51 $this->mTitle
=& $title;
52 $this->mOldId
= $oldId;
56 * Constructor from an article article
57 * @param $id The article ID to load
59 public static function newFromID( $id ) {
60 $t = Title
::newFromID( $id );
61 return $t == null ?
null : new Article( $t );
65 * Tell the page view functions that this view was redirected
66 * from another page on the wiki.
67 * @param $from Title object.
69 public function setRedirectedFrom( $from ) {
70 $this->mRedirectedFrom
= $from;
74 * If this page is a redirect, get its target
76 * The target will be fetched from the redirect table if possible.
77 * If this page doesn't have an entry there, call insertRedirect()
78 * @return mixed Title object, or null if this page is not a redirect
80 public function getRedirectTarget() {
81 if( !$this->mTitle ||
!$this->mTitle
->isRedirect() )
83 if( !is_null($this->mRedirectTarget
) )
84 return $this->mRedirectTarget
;
85 # Query the redirect table
86 $dbr = wfGetDB( DB_SLAVE
);
87 $res = $dbr->select( 'redirect',
88 array('rd_namespace', 'rd_title'),
89 array('rd_from' => $this->getID()),
92 if( $row = $dbr->fetchObject($res) ) {
93 return $this->mRedirectTarget
= Title
::makeTitle($row->rd_namespace
, $row->rd_title
);
95 # This page doesn't have an entry in the redirect table
96 return $this->mRedirectTarget
= $this->insertRedirect();
100 * Insert an entry for this page into the redirect table.
102 * Don't call this function directly unless you know what you're doing.
103 * @return Title object
105 public function insertRedirect() {
106 $retval = Title
::newFromRedirect( $this->getContent() );
110 $dbw = wfGetDB( DB_MASTER
);
111 $dbw->replace( 'redirect', array('rd_from'),
113 'rd_from' => $this->getID(),
114 'rd_namespace' => $retval->getNamespace(),
115 'rd_title' => $retval->getDBKey()
123 * Get the Title object this page redirects to
125 * @return mixed false, Title of in-wiki target, or string with URL
127 public function followRedirect() {
128 $text = $this->getContent();
129 return $this->followRedirectText( $text );
133 * Get the Title object this text redirects to
135 * @return mixed false, Title of in-wiki target, or string with URL
137 public function followRedirectText( $text ) {
138 $rt = Title
::newFromRedirectRecurse( $text ); // recurse through to only get the final target
139 # process if title object is valid and not special:userlogout
141 if( $rt->getInterwiki() != '' ) {
142 if( $rt->isLocal() ) {
143 // Offsite wikis need an HTTP redirect.
145 // This can be hard to reverse and may produce loops,
146 // so they may be disabled in the site configuration.
147 $source = $this->mTitle
->getFullURL( 'redirect=no' );
148 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
151 if( $rt->getNamespace() == NS_SPECIAL
) {
152 // Gotta handle redirects to special pages differently:
153 // Fill the HTTP response "Location" header and ignore
154 // the rest of the page we're on.
156 // This can be hard to reverse, so they may be disabled.
157 if( $rt->isSpecial( 'Userlogout' ) ) {
160 return $rt->getFullURL();
166 // No or invalid redirect
171 * get the title object of the article
173 public function getTitle() {
174 return $this->mTitle
;
181 public function clear() {
182 $this->mDataLoaded
= false;
183 $this->mContentLoaded
= false;
185 $this->mCurID
= $this->mUser
= $this->mCounter
= -1; # Not loaded
186 $this->mRedirectedFrom
= null; # Title object if set
187 $this->mRedirectTarget
= null; # Title object if set
189 $this->mTimestamp
= $this->mComment
= '';
190 $this->mGoodAdjustment
= $this->mTotalAdjustment
= 0;
191 $this->mTouched
= '19700101000000';
192 $this->mForUpdate
= false;
193 $this->mIsRedirect
= false;
194 $this->mRevIdFetched
= 0;
195 $this->mRedirectUrl
= false;
196 $this->mLatest
= false;
197 $this->mPreparedEdit
= false;
201 * Note that getContent/loadContent do not follow redirects anymore.
202 * If you need to fetch redirectable content easily, try
203 * the shortcut in Article::followContent()
205 * @return Return the text of this revision
207 public function getContent() {
208 global $wgUser, $wgContLang, $wgOut, $wgMessageCache;
209 wfProfileIn( __METHOD__
);
210 if( $this->getID() === 0 ) {
211 # If this is a MediaWiki:x message, then load the messages
212 # and return the message value for x.
213 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
214 # If this is a system message, get the default text.
215 list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle
->getText() ) );
216 $wgMessageCache->loadAllMessages( $lang );
217 $text = wfMsgGetKey( $message, false, $lang, false );
218 if( wfEmptyMsg( $message, $text ) )
221 $text = wfMsgExt( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon', 'parsemag' );
223 wfProfileOut( __METHOD__
);
226 $this->loadContent();
227 wfProfileOut( __METHOD__
);
228 return $this->mContent
;
233 * Get the text of the current revision. No side-effects...
235 * @return Return the text of the current revision
237 public function getRawText() {
238 // Check process cache for current revision
239 if( $this->mContentLoaded
&& $this->mOldId
== 0 ) {
240 return $this->mContent
;
242 $rev = Revision
::newFromTitle( $this->mTitle
);
243 $text = $rev ?
$rev->getRawText() : false;
248 * This function returns the text of a section, specified by a number ($section).
249 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
250 * the first section before any such heading (section 0).
252 * If a section contains subsections, these are also returned.
254 * @param $text String: text to look in
255 * @param $section Integer: section number
256 * @return string text of the requested section
259 public function getSection( $text, $section ) {
261 return $wgParser->getSection( $text, $section );
265 * Get the text that needs to be saved in order to undo all revisions
266 * between $undo and $undoafter. Revisions must belong to the same page,
267 * must exist and must not be deleted
268 * @param $undo Revision
269 * @param $undoafter Revision Must be an earlier revision than $undo
270 * @return mixed string on success, false on failure
272 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
273 $undo_text = $undo->getText();
274 $undoafter_text = $undoafter->getText();
275 $cur_text = $this->getContent();
276 if ( $cur_text == $undo_text ) {
277 # No use doing a merge if it's just a straight revert.
278 return $undoafter_text;
281 if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) )
287 * @return int The oldid of the article that is to be shown, 0 for the
290 public function getOldID() {
291 if( is_null( $this->mOldId
) ) {
292 $this->mOldId
= $this->getOldIDFromRequest();
294 return $this->mOldId
;
298 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
300 * @return int The old id for the request
302 public function getOldIDFromRequest() {
304 $this->mRedirectUrl
= false;
305 $oldid = $wgRequest->getVal( 'oldid' );
306 if( isset( $oldid ) ) {
307 $oldid = intval( $oldid );
308 if( $wgRequest->getVal( 'direction' ) == 'next' ) {
309 $nextid = $this->mTitle
->getNextRevisionID( $oldid );
313 $this->mRedirectUrl
= $this->mTitle
->getFullURL( 'redirect=no' );
315 } elseif( $wgRequest->getVal( 'direction' ) == 'prev' ) {
316 $previd = $this->mTitle
->getPreviousRevisionID( $oldid );
329 * Load the revision (including text) into this object
331 function loadContent() {
332 if( $this->mContentLoaded
) return;
333 wfProfileIn( __METHOD__
);
335 $oldid = $this->getOldID();
336 # Pre-fill content with error message so that if something
337 # fails we'll have something telling us what we intended.
338 $this->mOldId
= $oldid;
339 $this->fetchContent( $oldid );
340 wfProfileOut( __METHOD__
);
345 * Fetch a page record with the given conditions
346 * @param $dbr Database object
347 * @param $conditions Array
349 protected function pageData( $dbr, $conditions ) {
363 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
364 $row = $dbr->selectRow(
370 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
375 * @param $dbr Database object
376 * @param $title Title object
378 public function pageDataFromTitle( $dbr, $title ) {
379 return $this->pageData( $dbr, array(
380 'page_namespace' => $title->getNamespace(),
381 'page_title' => $title->getDBkey() ) );
385 * @param $dbr Database
388 protected function pageDataFromId( $dbr, $id ) {
389 return $this->pageData( $dbr, array( 'page_id' => $id ) );
393 * Set the general counter, title etc data loaded from
396 * @param $data Database row object or "fromdb"
398 public function loadPageData( $data = 'fromdb' ) {
399 if( $data === 'fromdb' ) {
400 $dbr = wfGetDB( DB_MASTER
);
401 $data = $this->pageDataFromId( $dbr, $this->getId() );
404 $lc = LinkCache
::singleton();
406 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
, $data->page_len
, $data->page_is_redirect
);
408 $this->mTitle
->mArticleID
= $data->page_id
;
410 # Old-fashioned restrictions
411 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
413 $this->mCounter
= $data->page_counter
;
414 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
415 $this->mIsRedirect
= $data->page_is_redirect
;
416 $this->mLatest
= $data->page_latest
;
418 if( is_object( $this->mTitle
) ) {
419 $lc->addBadLinkObj( $this->mTitle
);
421 $this->mTitle
->mArticleID
= 0;
424 $this->mDataLoaded
= true;
428 * Get text of an article from database
429 * Does *NOT* follow redirects.
430 * @param $oldid Int: 0 for whatever the latest revision is
433 function fetchContent( $oldid = 0 ) {
434 if( $this->mContentLoaded
) {
435 return $this->mContent
;
438 $dbr = wfGetDB( DB_MASTER
);
440 # Pre-fill content with error message so that if something
441 # fails we'll have something telling us what we intended.
442 $t = $this->mTitle
->getPrefixedText();
443 $d = $oldid ?
wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
444 $this->mContent
= wfMsg( 'missing-article', $t, $d ) ;
447 $revision = Revision
::newFromId( $oldid );
448 if( is_null( $revision ) ) {
449 wfDebug( __METHOD__
." failed to retrieve specified revision, id $oldid\n" );
452 $data = $this->pageDataFromId( $dbr, $revision->getPage() );
454 wfDebug( __METHOD__
." failed to get page data linked to revision id $oldid\n" );
457 $this->mTitle
= Title
::makeTitle( $data->page_namespace
, $data->page_title
);
458 $this->loadPageData( $data );
460 if( !$this->mDataLoaded
) {
461 $data = $this->pageDataFromTitle( $dbr, $this->mTitle
);
463 wfDebug( __METHOD__
." failed to find page data for title " . $this->mTitle
->getPrefixedText() . "\n" );
466 $this->loadPageData( $data );
468 $revision = Revision
::newFromId( $this->mLatest
);
469 if( is_null( $revision ) ) {
470 wfDebug( __METHOD__
." failed to retrieve current page, rev_id {$this->mLatest}\n" );
475 // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
476 // We should instead work with the Revision object when we need it...
477 $this->mContent
= $revision->getText( Revision
::FOR_THIS_USER
); // Loads if user is allowed
479 $this->mUser
= $revision->getUser();
480 $this->mUserText
= $revision->getUserText();
481 $this->mComment
= $revision->getComment();
482 $this->mTimestamp
= wfTimestamp( TS_MW
, $revision->getTimestamp() );
484 $this->mRevIdFetched
= $revision->getId();
485 $this->mContentLoaded
= true;
486 $this->mRevision
=& $revision;
488 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) ) ;
490 return $this->mContent
;
494 * Read/write accessor to select FOR UPDATE
496 * @param $x Mixed: FIXME
498 public function forUpdate( $x = NULL ) {
499 return wfSetVar( $this->mForUpdate
, $x );
503 * Get the database which should be used for reads
506 * @deprecated - just call wfGetDB( DB_MASTER ) instead
509 wfDeprecated( __METHOD__
);
510 return wfGetDB( DB_MASTER
);
514 * Get options for all SELECT statements
516 * @param $options Array: an optional options array which'll be appended to
518 * @return Array: options
520 protected function getSelectOptions( $options = '' ) {
521 if( $this->mForUpdate
) {
522 if( is_array( $options ) ) {
523 $options[] = 'FOR UPDATE';
525 $options = 'FOR UPDATE';
532 * @return int Page ID
534 public function getID() {
535 if( $this->mTitle
) {
536 return $this->mTitle
->getArticleID();
543 * @return bool Whether or not the page exists in the database
545 public function exists() {
546 return $this->getId() > 0;
550 * Check if this page is something we're going to be showing
551 * some sort of sensible content for. If we return false, page
552 * views (plain action=view) will return an HTTP 404 response,
553 * so spiders and robots can know they're following a bad link.
557 public function hasViewableContent() {
558 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
562 * @return int The view count for the page
564 public function getCount() {
565 if( -1 == $this->mCounter
) {
566 $id = $this->getID();
570 $dbr = wfGetDB( DB_SLAVE
);
571 $this->mCounter
= $dbr->selectField( 'page',
573 array( 'page_id' => $id ),
575 $this->getSelectOptions()
579 return $this->mCounter
;
583 * Determine whether a page would be suitable for being counted as an
584 * article in the site_stats table based on the title & its content
586 * @param $text String: text to analyze
589 public function isCountable( $text ) {
590 global $wgUseCommaCount;
592 $token = $wgUseCommaCount ?
',' : '[[';
593 return $this->mTitle
->isContentPage() && !$this->isRedirect($text) && in_string($token,$text);
597 * Tests if the article text represents a redirect
599 * @param $text String: FIXME
602 public function isRedirect( $text = false ) {
603 if( $text === false ) {
604 if( $this->mDataLoaded
) {
605 return $this->mIsRedirect
;
607 // Apparently loadPageData was never called
608 $this->loadContent();
609 $titleObj = Title
::newFromRedirectRecurse( $this->fetchContent() );
611 $titleObj = Title
::newFromRedirect( $text );
613 return $titleObj !== NULL;
617 * Returns true if the currently-referenced revision is the current edit
618 * to this page (and it exists).
621 public function isCurrent() {
622 # If no oldid, this is the current version.
623 if( $this->getOldID() == 0 ) {
626 return $this->exists() && isset($this->mRevision
) && $this->mRevision
->isCurrent();
630 * Loads everything except the text
631 * This isn't necessary for all uses, so it's only done if needed.
633 protected function loadLastEdit() {
634 if( -1 != $this->mUser
)
637 # New or non-existent articles have no user information
638 $id = $this->getID();
639 if( 0 == $id ) return;
641 $this->mLastRevision
= Revision
::loadFromPageId( wfGetDB( DB_MASTER
), $id );
642 if( !is_null( $this->mLastRevision
) ) {
643 $this->mUser
= $this->mLastRevision
->getUser();
644 $this->mUserText
= $this->mLastRevision
->getUserText();
645 $this->mTimestamp
= $this->mLastRevision
->getTimestamp();
646 $this->mComment
= $this->mLastRevision
->getComment();
647 $this->mMinorEdit
= $this->mLastRevision
->isMinor();
648 $this->mRevIdFetched
= $this->mLastRevision
->getId();
652 public function getTimestamp() {
653 // Check if the field has been filled by ParserCache::get()
654 if( !$this->mTimestamp
) {
655 $this->loadLastEdit();
657 return wfTimestamp(TS_MW
, $this->mTimestamp
);
660 public function getUser() {
661 $this->loadLastEdit();
665 public function getUserText() {
666 $this->loadLastEdit();
667 return $this->mUserText
;
670 public function getComment() {
671 $this->loadLastEdit();
672 return $this->mComment
;
675 public function getMinorEdit() {
676 $this->loadLastEdit();
677 return $this->mMinorEdit
;
680 /* Use this to fetch the rev ID used on page views */
681 public function getRevIdFetched() {
682 $this->loadLastEdit();
683 return $this->mRevIdFetched
;
687 * @param $limit Integer: default 0.
688 * @param $offset Integer: default 0.
690 public function getContributors($limit = 0, $offset = 0) {
691 # XXX: this is expensive; cache this info somewhere.
694 $dbr = wfGetDB( DB_SLAVE
);
695 $revTable = $dbr->tableName( 'revision' );
696 $userTable = $dbr->tableName( 'user' );
697 $user = $this->getUser();
698 $pageId = $this->getId();
700 $sql = "SELECT {$userTable}.*, MAX(rev_timestamp) as timestamp
701 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
702 WHERE rev_page = $pageId
703 AND rev_user != $user
704 GROUP BY rev_user, rev_user_text, user_real_name
705 ORDER BY timestamp DESC";
707 if($limit > 0) { $sql .= ' LIMIT '.$limit; }
708 if($offset > 0) { $sql .= ' OFFSET '.$offset; }
710 $sql .= ' '. $this->getSelectOptions();
712 $res = $dbr->query($sql, __METHOD__
);
714 return new UserArrayFromResult( $res );
718 * This is the default action of the script: just view the page of
721 public function view() {
722 global $wgUser, $wgOut, $wgRequest, $wgContLang;
723 global $wgEnableParserCache, $wgStylePath, $wgParser;
724 global $wgUseTrackbacks, $wgNamespaceRobotPolicies, $wgArticleRobotPolicies;
725 global $wgDefaultRobotPolicy;
727 wfProfileIn( __METHOD__
);
729 # Get variables from query string
730 $oldid = $this->getOldID();
733 if( $oldid === 0 && $this->checkTouched() ) {
736 $parserCache = ParserCache
::singleton();
737 $wgOut->setETag( $parserCache->getETag($this,$wgUser) );
739 if( $wgOut->checkLastModified( $this->getTouched() ) ) {
740 wfProfileOut( __METHOD__
);
742 } else if( $this->tryFileCache() ) {
743 # tell wgOut that output is taken care of
745 $this->viewUpdates();
746 wfProfileOut( __METHOD__
);
751 $ns = $this->mTitle
->getNamespace(); # shortcut
752 $sk = $wgUser->getSkin();
754 # getOldID may want us to redirect somewhere else
755 if( $this->mRedirectUrl
) {
756 $wgOut->redirect( $this->mRedirectUrl
);
757 wfProfileOut( __METHOD__
);
761 $diff = $wgRequest->getVal( 'diff' );
762 $rcid = $wgRequest->getVal( 'rcid' );
763 $rdfrom = $wgRequest->getVal( 'rdfrom' );
764 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
765 $purge = $wgRequest->getVal( 'action' ) == 'purge';
768 $wgOut->setArticleFlag( true );
770 # Discourage indexing of printable versions, but encourage following
771 if( $wgOut->isPrintable() ) {
772 $policy = 'noindex,follow';
773 } elseif( isset( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) ) {
774 $policy = $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()];
775 } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
776 # Honour customised robot policies for this namespace
777 $policy = $wgNamespaceRobotPolicies[$ns];
779 $policy = $wgDefaultRobotPolicy;
781 $wgOut->setRobotPolicy( $policy );
783 # If we got diff and oldid in the query, we want to see a
784 # diff page instead of the article.
786 if( !is_null( $diff ) ) {
787 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
789 $diff = $wgRequest->getVal( 'diff' );
790 $htmldiff = $wgRequest->getVal( 'htmldiff' , false);
791 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid, $purge, $htmldiff);
792 // DifferenceEngine directly fetched the revision:
793 $this->mRevIdFetched
= $de->mNewid
;
794 $de->showDiffPage( $diffOnly );
796 // Needed to get the page's current revision
797 $this->loadPageData();
798 if( $diff == 0 ||
$diff == $this->mLatest
) {
799 # Run view updates for current revision only
800 $this->viewUpdates();
802 wfProfileOut( __METHOD__
);
806 if( $ns == NS_USER ||
$ns == NS_USER_TALK
) {
807 # User/User_talk subpages are not modified. (bug 11443)
808 if( !$this->mTitle
->isSubpage() ) {
809 $block = new Block();
810 if( $block->load( $this->mTitle
->getBaseText() ) ) {
811 $wgOut->setRobotpolicy( 'noindex,nofollow' );
816 # Should the parser cache be used?
817 $pcache = $this->useParserCache( $oldid );
818 wfDebug( 'Article::view using parser cache: ' . ($pcache ?
'yes' : 'no' ) . "\n" );
819 if( $wgUser->getOption( 'stubthreshold' ) ) {
820 wfIncrStats( 'pcache_miss_stub' );
823 $wasRedirected = false;
824 if( isset( $this->mRedirectedFrom
) ) {
825 // This is an internally redirected page view.
826 // We'll need a backlink to the source page for navigation.
827 if( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
828 $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom
, '', 'redirect=no' );
829 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
830 $wgOut->setSubtitle( $s );
832 // Set the fragment if one was specified in the redirect
833 if( strval( $this->mTitle
->getFragment() ) != '' ) {
834 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
835 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
837 $wasRedirected = true;
839 } elseif( !empty( $rdfrom ) ) {
840 // This is an externally redirected view, from some other wiki.
841 // If it was reported from a trusted site, supply a backlink.
842 global $wgRedirectSources;
843 if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
844 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
845 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
846 $wgOut->setSubtitle( $s );
847 $wasRedirected = true;
852 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$pcache ) );
853 if( $pcache && $wgOut->tryParserCache( $this, $wgUser ) ) {
854 // Ensure that UI elements requiring revision ID have
855 // the correct version information.
856 $wgOut->setRevisionId( $this->mLatest
);
859 # Fetch content and check for errors
861 # If the article does not exist and was deleted, show the log
862 if( $this->getID() == 0 ) {
863 $this->showDeletionLog();
865 $text = $this->getContent();
866 // For now, check also for ID until getContent actually returns
867 // false for pages that do not exists
868 if( $text === false ||
$this->getID() === 0 ) {
869 # Failed to load, replace text with error message
870 $t = $this->mTitle
->getPrefixedText();
872 $d = wfMsgExt( 'missingarticle-rev', 'escape', $oldid );
873 $text = wfMsgExt( 'missing-article', 'parsemag', $t, $d );
874 // Always use page content for pages in the MediaWiki namespace
875 // since it contains the default message
876 } elseif ( $this->mTitle
->getNamespace() != NS_MEDIAWIKI
) {
877 $text = wfMsgExt( 'noarticletext', 'parsemag' );
882 if( $this->getID() === 0 ) {
883 $wgOut->setRobotPolicy( 'noindex,nofollow' );
884 $text = "<div class='noarticletext'>\n$text\n</div>";
885 if( !$this->hasViewableContent() ) {
886 // If there's no backing content, send a 404 Not Found
887 // for better machine handling of broken links.
893 $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
896 # Another whitelist check in case oldid is altering the title
897 if( !$this->mTitle
->userCanRead() ) {
898 $wgOut->loginToUse();
901 wfProfileOut( __METHOD__
);
905 # For ?curid=x urls, disallow indexing
906 if( $wgRequest->getInt('curid') )
907 $wgOut->setRobotPolicy( 'noindex,follow' );
909 # We're looking at an old revision
910 if( !empty( $oldid ) ) {
911 $wgOut->setRobotPolicy( 'noindex,nofollow' );
912 if( is_null( $this->mRevision
) ) {
913 // FIXME: This would be a nice place to load the 'no such page' text.
915 $this->setOldSubtitle( isset($this->mOldId
) ?
$this->mOldId
: $oldid );
916 if( $this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
917 if( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
) ) {
918 $wgOut->addWikiMsg( 'rev-deleted-text-permission' );
919 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
920 wfProfileOut( __METHOD__
);
923 $wgOut->addWikiMsg( 'rev-deleted-text-view' );
924 // and we are allowed to see...
930 $wgOut->setRevisionId( $this->getRevIdFetched() );
932 // Pages containing custom CSS or JavaScript get special treatment
933 if( $this->mTitle
->isCssOrJsPage() ||
$this->mTitle
->isCssJsSubpage() ) {
934 $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
935 // Give hooks a chance to customise the output
936 if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent
, $this->mTitle
, $wgOut ) ) ) {
937 // Wrap the whole lot in a <pre> and don't parse
939 preg_match( '!\.(css|js)$!u', $this->mTitle
->getText(), $m );
940 $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
941 $wgOut->addHTML( htmlspecialchars( $this->mContent
) );
942 $wgOut->addHTML( "\n</pre>\n" );
944 } else if( $rt = Title
::newFromRedirectArray( $text ) ) { # get an array of redirect targets
945 # Don't append the subtitle if this was an old revision
946 $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
947 $parseout = $wgParser->parse($text, $this->mTitle
, ParserOptions
::newFromUser($wgUser));
948 $wgOut->addParserOutputNoText( $parseout );
949 } else if( $pcache ) {
950 # Display content and save to parser cache
951 $this->outputWikiText( $text );
953 # Display content, don't attempt to save to parser cache
954 # Don't show section-edit links on old revisions... this way lies madness.
955 if( !$this->isCurrent() ) {
956 $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
958 # Display content and don't save to parser cache
959 # With timing hack -- TS 2006-07-26
961 $this->outputWikiText( $text, false );
966 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
967 $this->mTitle
->getPrefixedDBkey()));
970 if( !$this->isCurrent() ) {
971 $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
975 /* title may have been set from the cache */
976 $t = $wgOut->getPageTitle();
978 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
980 # For the main page, overwrite the <title> element with the con-
981 # tents of 'pagetitle-view-mainpage' instead of the default (if
983 if( $this->mTitle
->equals( Title
::newMainPage() ) &&
984 wfMsgForContent( 'pagetitle-view-mainpage' ) !== '' ) {
985 $wgOut->setHTMLTitle( wfMsgForContent( 'pagetitle-view-mainpage' ) );
989 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
990 if( $ns == NS_USER_TALK
&& IP
::isValid( $this->mTitle
->getText() ) ) {
991 $wgOut->addWikiMsg('anontalkpagetext');
994 # If we have been passed an &rcid= parameter, we want to give the user a
995 # chance to mark this new article as patrolled.
996 if( !empty($rcid) && $this->mTitle
->exists() && $this->mTitle
->quickUserCan('patrol') ) {
998 "<div class='patrollink'>" .
999 wfMsgHtml( 'markaspatrolledlink',
1000 $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml('markaspatrolledtext'),
1001 "action=markpatrolled&rcid=$rcid" )
1008 if( $wgUseTrackbacks ) {
1009 $this->addTrackbacks();
1012 $this->viewUpdates();
1013 wfProfileOut( __METHOD__
);
1016 protected function showDeletionLog() {
1017 global $wgUser, $wgOut;
1018 $loglist = new LogEventsList( $wgUser->getSkin(), $wgOut );
1019 $pager = new LogPager( $loglist, 'delete', false, $this->mTitle
->getPrefixedText() );
1020 if( $pager->getNumRows() > 0 ) {
1021 $pager->mLimit
= 10;
1022 $wgOut->addHTML( '<div class="mw-warning-with-logexcerpt">' );
1023 $wgOut->addWikiMsg( 'deleted-notice' );
1025 $loglist->beginLogEventsList() .
1027 $loglist->endLogEventsList()
1029 if( $pager->getNumRows() > 10 ) {
1030 $wgOut->addHTML( $wgUser->getSkin()->link(
1031 SpecialPage
::getTitleFor( 'Log' ),
1032 wfMsgHtml( 'deletelog-fulllog' ),
1034 array( 'type' => 'delete', 'page' => $this->mTitle
->getPrefixedText() )
1037 $wgOut->addHTML( '</div>' );
1042 * Should the parser cache be used?
1044 protected function useParserCache( $oldid ) {
1045 global $wgUser, $wgEnableParserCache;
1047 return $wgEnableParserCache
1048 && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0
1051 && !$this->mTitle
->isCssOrJsPage()
1052 && !$this->mTitle
->isCssJsSubpage();
1057 * @param $target Title object or Array of destination(s) to redirect
1058 * @param $appendSubtitle Boolean [optional]
1059 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1061 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1062 global $wgParser, $wgOut, $wgContLang, $wgStylePath, $wgUser;
1064 if( !is_array( $target ) ) {
1065 $target = array( $target );
1067 $imageDir = $wgContLang->isRTL() ?
'rtl' : 'ltr';
1068 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1069 $imageUrl2 = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1070 $alt2 = $wgContLang->isRTL() ?
'←' : '→'; // should -> and <- be used instead of entities?
1072 if( $appendSubtitle ) {
1073 $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
1075 $sk = $wgUser->getSkin();
1076 // the loop prepends the arrow image before the link, so the first case needs to be outside
1077 $title = array_shift( $target );
1079 $link = $sk->makeKnownLinkObj( $title, htmlspecialchars( $title->getFullText() ) );
1081 $link = $sk->makeLinkObj( $title, htmlspecialchars( $title->getFullText() ) );
1083 // automatically append redirect=no to each link, since most of them are redirect pages themselves
1084 foreach( $target as $rt ) {
1086 $link .= '<img src="'.$imageUrl2.'" alt="'.$alt2.' " />'
1087 . $sk->makeKnownLinkObj( $rt, htmlspecialchars( $rt->getFullText() ) );
1089 $link .= '<img src="'.$imageUrl2.'" alt="'.$alt2.' " />'
1090 . $sk->makeLinkObj( $rt, htmlspecialchars( $rt->getFullText() ) );
1093 return '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
1094 '<span class="redirectText">'.$link.'</span>';
1098 public function addTrackbacks() {
1099 global $wgOut, $wgUser;
1100 $dbr = wfGetDB( DB_SLAVE
);
1101 $tbs = $dbr->select( 'trackbacks',
1102 array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
1103 array('tb_page' => $this->getID() )
1105 if( !$dbr->numRows($tbs) ) return;
1108 while( $o = $dbr->fetchObject($tbs) ) {
1110 if( $wgUser->isAllowed( 'trackback' ) ) {
1111 $delurl = $this->mTitle
->getFullURL("action=deletetrackback&tbid=" .
1112 $o->tb_id
. "&token=" . urlencode( $wgUser->editToken() ) );
1113 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
1116 $tbtext .= wfMsg(strlen($o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
1123 $wgOut->addWikiMsg( 'trackbackbox', $tbtext );
1124 $this->mTitle
->invalidateCache();
1127 public function deletetrackback() {
1128 global $wgUser, $wgRequest, $wgOut, $wgTitle;
1129 if( !$wgUser->matchEditToken($wgRequest->getVal('token')) ) {
1130 $wgOut->addWikiMsg( 'sessionfailure' );
1134 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
1135 if( count($permission_errors) ) {
1136 $wgOut->showPermissionsErrorPage( $permission_errors );
1140 $db = wfGetDB( DB_MASTER
);
1141 $db->delete( 'trackbacks', array('tb_id' => $wgRequest->getInt('tbid')) );
1143 $wgOut->addWikiMsg( 'trackbackdeleteok' );
1144 $this->mTitle
->invalidateCache();
1147 public function render() {
1149 $wgOut->setArticleBodyOnly(true);
1154 * Handle action=purge
1156 public function purge() {
1157 global $wgUser, $wgRequest, $wgOut;
1158 if( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
1159 if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
1164 $action = htmlspecialchars( $wgRequest->getRequestURL() );
1165 $button = wfMsgExt( 'confirm_purge_button', array('escapenoentities') );
1166 $form = "<form method=\"post\" action=\"$action\">\n" .
1167 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
1169 $top = wfMsgExt( 'confirm-purge-top', array('parse') );
1170 $bottom = wfMsgExt( 'confirm-purge-bottom', array('parse') );
1171 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
1172 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1173 $wgOut->addHTML( $top . $form . $bottom );
1178 * Perform the actions of a page purging
1180 public function doPurge() {
1182 // Invalidate the cache
1183 $this->mTitle
->invalidateCache();
1186 // Commit the transaction before the purge is sent
1187 $dbw = wfGetDB( DB_MASTER
);
1188 $dbw->immediateCommit();
1191 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
1192 $update->doUpdate();
1194 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1195 global $wgMessageCache;
1196 if( $this->getID() == 0 ) {
1199 $text = $this->getRawText();
1201 $wgMessageCache->replace( $this->mTitle
->getDBkey(), $text );
1206 * Insert a new empty page record for this article.
1207 * This *must* be followed up by creating a revision
1208 * and running $this->updateToLatest( $rev_id );
1209 * or else the record will be left in a funky state.
1210 * Best if all done inside a transaction.
1212 * @param $dbw Database
1213 * @return int The newly created page_id key, or false if the title already existed
1216 public function insertOn( $dbw ) {
1217 wfProfileIn( __METHOD__
);
1219 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
1220 $dbw->insert( 'page', array(
1221 'page_id' => $page_id,
1222 'page_namespace' => $this->mTitle
->getNamespace(),
1223 'page_title' => $this->mTitle
->getDBkey(),
1224 'page_counter' => 0,
1225 'page_restrictions' => '',
1226 'page_is_redirect' => 0, # Will set this shortly...
1228 'page_random' => wfRandom(),
1229 'page_touched' => $dbw->timestamp(),
1230 'page_latest' => 0, # Fill this in shortly...
1231 'page_len' => 0, # Fill this in shortly...
1232 ), __METHOD__
, 'IGNORE' );
1234 $affected = $dbw->affectedRows();
1236 $newid = $dbw->insertId();
1237 $this->mTitle
->resetArticleId( $newid );
1239 wfProfileOut( __METHOD__
);
1240 return $affected ?
$newid : false;
1244 * Update the page record to point to a newly saved revision.
1246 * @param $dbw Database object
1247 * @param $revision Revision: For ID number, and text used to set
1248 length and redirect status fields
1249 * @param $lastRevision Integer: if given, will not overwrite the page field
1250 * when different from the currently set value.
1251 * Giving 0 indicates the new page flag should be set
1253 * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
1254 * removing rows in redirect table.
1255 * @return bool true on success, false on failure
1258 public function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1259 wfProfileIn( __METHOD__
);
1261 $text = $revision->getText();
1262 $rt = Title
::newFromRedirect( $text );
1264 $conditions = array( 'page_id' => $this->getId() );
1265 if( !is_null( $lastRevision ) ) {
1266 # An extra check against threads stepping on each other
1267 $conditions['page_latest'] = $lastRevision;
1270 $dbw->update( 'page',
1272 'page_latest' => $revision->getId(),
1273 'page_touched' => $dbw->timestamp(),
1274 'page_is_new' => ($lastRevision === 0) ?
1 : 0,
1275 'page_is_redirect' => $rt !== NULL ?
1 : 0,
1276 'page_len' => strlen( $text ),
1281 $result = $dbw->affectedRows() != 0;
1283 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1286 wfProfileOut( __METHOD__
);
1291 * Add row to the redirect table if this is a redirect, remove otherwise.
1293 * @param $dbw Database
1294 * @param $redirectTitle a title object pointing to the redirect target,
1295 * or NULL if this is not a redirect
1296 * @param $lastRevIsRedirect If given, will optimize adding and
1297 * removing rows in redirect table.
1298 * @return bool true on success, false on failure
1301 public function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1302 // Always update redirects (target link might have changed)
1303 // Update/Insert if we don't know if the last revision was a redirect or not
1304 // Delete if changing from redirect to non-redirect
1305 $isRedirect = !is_null($redirectTitle);
1306 if($isRedirect ||
is_null($lastRevIsRedirect) ||
$lastRevIsRedirect !== $isRedirect) {
1307 wfProfileIn( __METHOD__
);
1309 // This title is a redirect, Add/Update row in the redirect table
1310 $set = array( /* SET */
1311 'rd_namespace' => $redirectTitle->getNamespace(),
1312 'rd_title' => $redirectTitle->getDBkey(),
1313 'rd_from' => $this->getId(),
1315 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1317 // This is not a redirect, remove row from redirect table
1318 $where = array( 'rd_from' => $this->getId() );
1319 $dbw->delete( 'redirect', $where, __METHOD__
);
1321 if( $this->getTitle()->getNamespace() == NS_FILE
) {
1322 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1324 wfProfileOut( __METHOD__
);
1325 return ( $dbw->affectedRows() != 0 );
1331 * If the given revision is newer than the currently set page_latest,
1332 * update the page record. Otherwise, do nothing.
1334 * @param $dbw Database object
1335 * @param $revision Revision object
1337 public function updateIfNewerOn( &$dbw, $revision ) {
1338 wfProfileIn( __METHOD__
);
1339 $row = $dbw->selectRow(
1340 array( 'revision', 'page' ),
1341 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1343 'page_id' => $this->getId(),
1344 'page_latest=rev_id' ),
1347 if( wfTimestamp(TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1348 wfProfileOut( __METHOD__
);
1351 $prev = $row->rev_id
;
1352 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1354 # No or missing previous revision; mark the page as new
1356 $lastRevIsRedirect = null;
1358 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1359 wfProfileOut( __METHOD__
);
1364 * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
1365 * @return string Complete article text, or null if error
1367 public function replaceSection( $section, $text, $summary = '', $edittime = NULL ) {
1368 wfProfileIn( __METHOD__
);
1369 if( strval( $section ) == '' ) {
1370 // Whole-page edit; let the whole text through
1372 if( is_null($edittime) ) {
1373 $rev = Revision
::newFromTitle( $this->mTitle
);
1375 $dbw = wfGetDB( DB_MASTER
);
1376 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1379 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1380 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1383 $oldtext = $rev->getText();
1385 if( $section == 'new' ) {
1386 # Inserting a new section
1387 $subject = $summary ?
wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n" : '';
1388 $text = strlen( trim( $oldtext ) ) > 0
1389 ?
"{$oldtext}\n\n{$subject}{$text}"
1390 : "{$subject}{$text}";
1392 # Replacing an existing section; roll out the big guns
1394 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1397 wfProfileOut( __METHOD__
);
1402 * @deprecated use Article::doEdit()
1404 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false, $bot=false ) {
1405 wfDeprecated( __METHOD__
);
1406 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1407 ( $isminor ? EDIT_MINOR
: 0 ) |
1408 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 ) |
1409 ( $bot ? EDIT_FORCE_BOT
: 0 );
1411 # If this is a comment, add the summary as headline
1412 if( $comment && $summary != "" ) {
1413 $text = wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n".$text;
1416 $this->doEdit( $text, $summary, $flags );
1418 $dbw = wfGetDB( DB_MASTER
);
1420 if(!$this->mTitle
->userIsWatching()) {
1426 if( $this->mTitle
->userIsWatching() ) {
1432 $this->doRedirect( $this->isRedirect( $text ) );
1436 * @deprecated use Article::doEdit()
1438 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1439 wfDeprecated( __METHOD__
);
1440 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1441 ( $minor ? EDIT_MINOR
: 0 ) |
1442 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1444 $status = $this->doEdit( $text, $summary, $flags );
1445 if( !$status->isOK() ) {
1449 $dbw = wfGetDB( DB_MASTER
);
1451 if(!$this->mTitle
->userIsWatching()) {
1457 if( $this->mTitle
->userIsWatching() ) {
1464 $extraQuery = ''; // Give extensions a chance to modify URL query on update
1465 wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
1467 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
1474 * Change an existing article or create a new article. Updates RC and all necessary caches,
1475 * optionally via the deferred update array.
1477 * $wgUser must be set before calling this function.
1479 * @param $text String: new text
1480 * @param $summary String: edit summary
1481 * @param $flags Integer bitfield:
1483 * Article is known or assumed to be non-existent, create a new one
1485 * Article is known or assumed to be pre-existing, update it
1487 * Mark this edit minor, if the user is allowed to do so
1489 * Do not log the change in recentchanges
1491 * Mark the edit a "bot" edit regardless of user rights
1492 * EDIT_DEFER_UPDATES
1493 * Defer some of the updates until the end of index.php
1495 * Fill in blank summaries with generated text where possible
1497 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1498 * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
1499 * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
1500 * edit-already-exists error will be returned. These two conditions are also possible with
1501 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1503 * @param $baseRevId the revision ID this edit was based off, if any
1504 * @param $user Optional user object, $wgUser will be used if not passed
1506 * @return Status object. Possible errors:
1507 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
1508 * edit-gone-missing: In update mode, but the article didn't exist
1509 * edit-conflict: In update mode, the article changed unexpectedly
1510 * edit-no-change: Warning that the text was the same as before
1511 * edit-already-exists: In creation mode, but the article already exists
1513 * Extensions may define additional errors.
1515 * $return->value will contain an associative array with members as follows:
1516 * new: Boolean indicating if the function attempted to create a new article
1517 * revision: The revision object for the inserted revision, or null
1519 * Compatibility note: this function previously returned a boolean value indicating success/failure
1521 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1522 global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
1524 # Low-level sanity check
1525 if( $this->mTitle
->getText() == '' ) {
1526 throw new MWException( 'Something is trying to edit an article with an empty title' );
1529 wfProfileIn( __METHOD__
);
1531 $user = is_null($user) ?
$wgUser : $user;
1532 $status = Status
::newGood( array() );
1534 # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
1535 $this->loadPageData();
1537 if( !($flags & EDIT_NEW
) && !($flags & EDIT_UPDATE
) ) {
1538 $aid = $this->mTitle
->getArticleID();
1540 $flags |
= EDIT_UPDATE
;
1546 if( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
1547 $flags & EDIT_MINOR
, null, null, &$flags, &$status ) ) )
1549 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1550 wfProfileOut( __METHOD__
);
1551 if( $status->isOK() ) {
1552 $status->fatal( 'edit-hook-aborted');
1557 # Silently ignore EDIT_MINOR if not allowed
1558 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed('minoredit');
1559 $bot = $flags & EDIT_FORCE_BOT
;
1561 $oldtext = $this->getRawText(); // current revision
1562 $oldsize = strlen( $oldtext );
1564 # Provide autosummaries if one is not provided and autosummaries are enabled.
1565 if( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1566 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1569 $editInfo = $this->prepareTextForEdit( $text );
1570 $text = $editInfo->pst
;
1571 $newsize = strlen( $text );
1573 $dbw = wfGetDB( DB_MASTER
);
1574 $now = wfTimestampNow();
1576 if( $flags & EDIT_UPDATE
) {
1577 # Update article, but only if changed.
1578 $status->value
['new'] = false;
1579 # Make sure the revision is either completely inserted or not inserted at all
1580 if( !$wgDBtransactions ) {
1581 $userAbort = ignore_user_abort( true );
1586 $changed = ( strcmp( $text, $oldtext ) != 0 );
1589 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1590 - (int)$this->isCountable( $oldtext );
1591 $this->mTotalAdjustment
= 0;
1593 if( !$this->mLatest
) {
1594 # Article gone missing
1595 wfDebug( __METHOD__
.": EDIT_UPDATE specified but article doesn't exist\n" );
1596 $status->fatal( 'edit-gone-missing' );
1597 wfProfileOut( __METHOD__
);
1601 $revision = new Revision( array(
1602 'page' => $this->getId(),
1603 'comment' => $summary,
1604 'minor_edit' => $isminor,
1606 'parent_id' => $this->mLatest
,
1607 'user' => $user->getId(),
1608 'user_text' => $user->getName(),
1612 $revisionId = $revision->insertOn( $dbw );
1616 # Note that we use $this->mLatest instead of fetching a value from the master DB
1617 # during the course of this function. This makes sure that EditPage can detect
1618 # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
1619 # before this function is called. A previous function used a separate query, this
1620 # creates a window where concurrent edits can cause an ignored edit conflict.
1621 $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest
);
1624 /* Belated edit conflict! Run away!! */
1625 $status->fatal( 'edit-conflict' );
1626 # Delete the invalid revision if the DB is not transactional
1627 if( !$wgDBtransactions ) {
1628 $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__
);
1633 global $wgUseRCPatrol;
1634 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, $baseRevId, $user) );
1635 # Update recentchanges
1636 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1637 # Mark as patrolled if the user can do so
1638 $patrolled = $wgUseRCPatrol && $this->mTitle
->userCan('autopatrol');
1639 # Add RC row to the DB
1640 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1641 $this->mLatest
, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1642 $revisionId, $patrolled
1644 # Log auto-patrolled edits
1646 PatrolLog
::record( $rc, true );
1649 $user->incEditCount();
1653 $status->warning( 'edit-no-change' );
1655 // Keep the same revision ID, but do some updates on it
1656 $revisionId = $this->getRevIdFetched();
1657 // Update page_touched, this is usually implicit in the page update
1658 // Other cache updates are done in onArticleEdit()
1659 $this->mTitle
->invalidateCache();
1662 if( !$wgDBtransactions ) {
1663 ignore_user_abort( $userAbort );
1665 // Now that ignore_user_abort is restored, we can respond to fatal errors
1666 if( !$status->isOK() ) {
1667 wfProfileOut( __METHOD__
);
1671 # Invalidate cache of this article and all pages using this article
1672 # as a template. Partly deferred. Leave templatelinks for editUpdates().
1673 Article
::onArticleEdit( $this->mTitle
, 'skiptransclusions' );
1674 # Update links tables, site stats, etc.
1675 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
1677 # Create new article
1678 $status->value
['new'] = true;
1680 # Set statistics members
1681 # We work out if it's countable after PST to avoid counter drift
1682 # when articles are created with {{subst:}}
1683 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
1684 $this->mTotalAdjustment
= 1;
1688 # Add the page record; stake our claim on this title!
1689 # This will return false if the article already exists
1690 $newid = $this->insertOn( $dbw );
1692 if( $newid === false ) {
1694 $status->fatal( 'edit-already-exists' );
1695 wfProfileOut( __METHOD__
);
1699 # Save the revision text...
1700 $revision = new Revision( array(
1702 'comment' => $summary,
1703 'minor_edit' => $isminor,
1705 'user' => $user->getId(),
1706 'user_text' => $user->getName(),
1708 $revisionId = $revision->insertOn( $dbw );
1710 $this->mTitle
->resetArticleID( $newid );
1712 # Update the page record with revision data
1713 $this->updateRevisionOn( $dbw, $revision, 0 );
1715 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $user) );
1716 # Update recentchanges
1717 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1718 global $wgUseRCPatrol, $wgUseNPPatrol;
1719 # Mark as patrolled if the user can do so
1720 $patrolled = ($wgUseRCPatrol ||
$wgUseNPPatrol) && $this->mTitle
->userCan('autopatrol');
1721 # Add RC row to the DB
1722 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
1723 '', strlen($text), $revisionId, $patrolled );
1724 # Log auto-patrolled edits
1726 PatrolLog
::record( $rc, true );
1729 $user->incEditCount();
1732 # Update links, etc.
1733 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
1736 Article
::onArticleCreate( $this->mTitle
);
1738 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
1739 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
1742 # Do updates right now unless deferral was requested
1743 if( !( $flags & EDIT_DEFER_UPDATES
) ) {
1747 // Return the new revision (or null) to the caller
1748 $status->value
['revision'] = $revision;
1750 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
1751 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status ) );
1753 wfProfileOut( __METHOD__
);
1758 * @deprecated wrapper for doRedirect
1760 public function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
1761 wfDeprecated( __METHOD__
);
1762 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1766 * Output a redirect back to the article.
1767 * This is typically used after an edit.
1769 * @param $noRedir Boolean: add redirect=no
1770 * @param $sectionAnchor String: section to redirect to, including "#"
1771 * @param $extraQuery String: extra query params
1773 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
1776 $query = 'redirect=no';
1778 $query .= "&$query";
1780 $query = $extraQuery;
1782 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
1786 * Mark this particular edit/page as patrolled
1788 public function markpatrolled() {
1789 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser;
1790 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1792 # If we haven't been given an rc_id value, we can't do anything
1793 $rcid = (int) $wgRequest->getVal('rcid');
1794 $rc = RecentChange
::newFromId($rcid);
1795 if( is_null($rc) ) {
1796 $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
1800 #It would be nice to see where the user had actually come from, but for now just guess
1801 $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ?
'newpages' : 'recentchanges';
1802 $return = SpecialPage
::getTitleFor( $returnto );
1804 $dbw = wfGetDB( DB_MASTER
);
1805 $errors = $rc->doMarkPatrolled();
1807 if( in_array(array('rcpatroldisabled'), $errors) ) {
1808 $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
1812 if( in_array(array('hookaborted'), $errors) ) {
1813 // The hook itself has handled any output
1817 if( in_array(array('markedaspatrollederror-noautopatrol'), $errors) ) {
1818 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
1819 $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' );
1820 $wgOut->returnToMain( false, $return );
1824 if( !empty($errors) ) {
1825 $wgOut->showPermissionsErrorPage( $errors );
1830 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
1831 $wgOut->addWikiMsg( 'markedaspatrolledtext' );
1832 $wgOut->returnToMain( false, $return );
1836 * User-interface handler for the "watch" action
1839 public function watch() {
1840 global $wgUser, $wgOut;
1841 if( $wgUser->isAnon() ) {
1842 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1845 if( wfReadOnly() ) {
1846 $wgOut->readOnlyPage();
1849 if( $this->doWatch() ) {
1850 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
1851 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1852 $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle
->getPrefixedText() );
1854 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1858 * Add this page to $wgUser's watchlist
1859 * @return bool true on successful watch operation
1861 public function doWatch() {
1863 if( $wgUser->isAnon() ) {
1866 if( wfRunHooks('WatchArticle', array(&$wgUser, &$this)) ) {
1867 $wgUser->addWatch( $this->mTitle
);
1868 return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
1874 * User interface handler for the "unwatch" action.
1876 public function unwatch() {
1877 global $wgUser, $wgOut;
1878 if( $wgUser->isAnon() ) {
1879 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1882 if( wfReadOnly() ) {
1883 $wgOut->readOnlyPage();
1886 if( $this->doUnwatch() ) {
1887 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
1888 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1889 $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle
->getPrefixedText() );
1891 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1895 * Stop watching a page
1896 * @return bool true on successful unwatch
1898 public function doUnwatch() {
1900 if( $wgUser->isAnon() ) {
1903 if( wfRunHooks('UnwatchArticle', array(&$wgUser, &$this)) ) {
1904 $wgUser->removeWatch( $this->mTitle
);
1905 return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
1911 * action=protect handler
1913 public function protect() {
1914 $form = new ProtectionForm( $this );
1919 * action=unprotect handler (alias)
1921 public function unprotect() {
1926 * Update the article's restriction field, and leave a log entry.
1928 * @param $limit Array: set of restriction keys
1929 * @param $reason String
1930 * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
1931 * @param $expiry Array: per restriction type expiration
1932 * @return bool true on success
1934 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
1935 global $wgUser, $wgRestrictionTypes, $wgContLang;
1937 $id = $this->mTitle
->getArticleID();
1938 if( $id <= 0 ||
wfReadOnly() ||
!$this->mTitle
->userCan('protect') ) {
1946 // Take this opportunity to purge out expired restrictions
1947 Title
::purgeExpiredRestrictions();
1949 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
1950 # we expect a single selection, but the schema allows otherwise.
1952 $updated = Article
::flattenRestrictions( $limit );
1954 foreach( $wgRestrictionTypes as $action ) {
1955 if( isset( $expiry[$action] ) ) {
1956 # Get current restrictions on $action
1957 $aLimits = $this->mTitle
->getRestrictions( $action );
1958 $current[$action] = implode( '', $aLimits );
1959 # Are any actual restrictions being dealt with here?
1960 $aRChanged = count($aLimits) ||
!empty($limit[$action]);
1961 # If something changed, we need to log it. Checking $aRChanged
1962 # assures that "unprotecting" a page that is not protected does
1963 # not log just because the expiry was "changed".
1964 if( $aRChanged && $this->mTitle
->mRestrictionsExpiry
[$action] != $expiry[$action] ) {
1970 $current = Article
::flattenRestrictions( $current );
1972 $changed = ($changed ||
$current != $updated );
1973 $changed = $changed ||
($updated && $this->mTitle
->areRestrictionsCascading() != $cascade);
1974 $protect = ( $updated != '' );
1976 # If nothing's changed, do nothing
1978 if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
1980 $dbw = wfGetDB( DB_MASTER
);
1982 # Prepare a null revision to be added to the history
1983 $modified = $current != '' && $protect;
1985 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
1987 $comment_type = 'unprotectedarticle';
1989 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
1991 # Only restrictions with the 'protect' right can cascade...
1992 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
1993 $editrestriction = isset( $limit['edit'] ) ?
array( $limit['edit'] ) : $this->mTitle
->getRestrictions( 'edit' );
1994 # The schema allows multiple restrictions
1995 if(!in_array('protect', $editrestriction) && !in_array('sysop', $editrestriction))
1997 $cascade_description = '';
1999 $cascade_description = ' ['.wfMsgForContent('protect-summary-cascade').']';
2003 $comment .= ": $reason";
2005 $editComment = $comment;
2006 $encodedExpiry = array();
2007 $protect_description = '';
2008 foreach( $limit as $action => $restrictions ) {
2009 $encodedExpiry[$action] = Block
::encodeExpiry($expiry[$action], $dbw );
2010 if( $restrictions != '' ) {
2011 $protect_description .= "[$action=$restrictions] (";
2012 if( $encodedExpiry[$action] != 'infinity' ) {
2013 $protect_description .= wfMsgForContent( 'protect-expiring',
2014 $wgContLang->timeanddate( $expiry[$action], false, false ) ,
2015 $wgContLang->date( $expiry[$action], false, false ) ,
2016 $wgContLang->time( $expiry[$action], false, false ) );
2018 $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
2020 $protect_description .= ') ';
2023 $protect_description = trim($protect_description);
2025 if( $protect_description && $protect )
2026 $editComment .= " ($protect_description)";
2028 $editComment .= "$cascade_description";
2029 # Update restrictions table
2030 foreach( $limit as $action => $restrictions ) {
2031 if($restrictions != '' ) {
2032 $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
2033 array( 'pr_page' => $id,
2034 'pr_type' => $action,
2035 'pr_level' => $restrictions,
2036 'pr_cascade' => ($cascade && $action == 'edit') ?
1 : 0,
2037 'pr_expiry' => $encodedExpiry[$action] ), __METHOD__
);
2039 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
2040 'pr_type' => $action ), __METHOD__
);
2044 # Insert a null revision
2045 $nullRevision = Revision
::newNullRevision( $dbw, $id, $editComment, true );
2046 $nullRevId = $nullRevision->insertOn( $dbw );
2048 $latest = $this->getLatest();
2049 # Update page record
2050 $dbw->update( 'page',
2052 'page_touched' => $dbw->timestamp(),
2053 'page_restrictions' => '',
2054 'page_latest' => $nullRevId
2055 ), array( /* WHERE */
2057 ), 'Article::protect'
2060 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $nullRevision, $latest, $wgUser) );
2061 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
2063 # Update the protection log
2064 $log = new LogPage( 'protect' );
2066 $params = array($protect_description,$cascade ?
'cascade' : '');
2067 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason), $params );
2069 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
2073 } # End "changed" check
2079 * Take an array of page restrictions and flatten it to a string
2080 * suitable for insertion into the page_restrictions field.
2081 * @param $limit Array
2084 protected static function flattenRestrictions( $limit ) {
2085 if( !is_array( $limit ) ) {
2086 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
2090 foreach( $limit as $action => $restrictions ) {
2091 if( $restrictions != '' ) {
2092 $bits[] = "$action=$restrictions";
2095 return implode( ':', $bits );
2099 * Auto-generates a deletion reason
2100 * @param &$hasHistory Boolean: whether the page has a history
2102 public function generateReason( &$hasHistory ) {
2104 $dbw = wfGetDB( DB_MASTER
);
2105 // Get the last revision
2106 $rev = Revision
::newFromTitle( $this->mTitle
);
2107 if( is_null( $rev ) )
2110 // Get the article's contents
2111 $contents = $rev->getText();
2113 // If the page is blank, use the text from the previous revision,
2114 // which can only be blank if there's a move/import/protect dummy revision involved
2115 if( $contents == '' ) {
2116 $prev = $rev->getPrevious();
2118 $contents = $prev->getText();
2123 // Find out if there was only one contributor
2124 // Only scan the last 20 revisions
2126 $res = $dbw->select( 'revision', 'rev_user_text',
2127 array( 'rev_page' => $this->getID() ), __METHOD__
,
2128 array( 'LIMIT' => $limit )
2130 if( $res === false )
2131 // This page has no revisions, which is very weird
2133 if( $res->numRows() > 1 )
2136 $hasHistory = false;
2137 $row = $dbw->fetchObject( $res );
2138 $onlyAuthor = $row->rev_user_text
;
2139 // Try to find a second contributor
2140 foreach( $res as $row ) {
2141 if( $row->rev_user_text
!= $onlyAuthor ) {
2142 $onlyAuthor = false;
2146 $dbw->freeResult( $res );
2148 // Generate the summary with a '$1' placeholder
2150 // The current revision is blank and the one before is also
2151 // blank. It's just not our lucky day
2152 $reason = wfMsgForContent( 'exbeforeblank', '$1' );
2155 $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
2157 $reason = wfMsgForContent( 'excontent', '$1' );
2160 if( $reason == '-' ) {
2161 // Allow these UI messages to be blanked out cleanly
2165 // Replace newlines with spaces to prevent uglyness
2166 $contents = preg_replace( "/[\n\r]/", ' ', $contents );
2167 // Calculate the maximum amount of chars to get
2168 // Max content length = max comment length - length of the comment (excl. $1) - '...'
2169 $maxLength = 255 - (strlen( $reason ) - 2) - 3;
2170 $contents = $wgContLang->truncate( $contents, $maxLength, '...' );
2171 // Remove possible unfinished links
2172 $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
2173 // Now replace the '$1' placeholder
2174 $reason = str_replace( '$1', $contents, $reason );
2180 * UI entry point for page deletion
2182 public function delete() {
2183 global $wgUser, $wgOut, $wgRequest;
2185 $confirm = $wgRequest->wasPosted() &&
2186 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
2188 $this->DeleteReasonList
= $wgRequest->getText( 'wpDeleteReasonList', 'other' );
2189 $this->DeleteReason
= $wgRequest->getText( 'wpReason' );
2191 $reason = $this->DeleteReasonList
;
2193 if( $reason != 'other' && $this->DeleteReason
!= '' ) {
2194 // Entry from drop down menu + additional comment
2195 $reason .= wfMsgForContent( 'colon-separator' ) . $this->DeleteReason
;
2196 } elseif( $reason == 'other' ) {
2197 $reason = $this->DeleteReason
;
2199 # Flag to hide all contents of the archived revisions
2200 $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' );
2202 # This code desperately needs to be totally rewritten
2204 # Read-only check...
2205 if( wfReadOnly() ) {
2206 $wgOut->readOnlyPage();
2211 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
2213 if( count( $permission_errors ) > 0 ) {
2214 $wgOut->showPermissionsErrorPage( $permission_errors );
2218 $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle
->getPrefixedText() ) );
2220 # Better double-check that it hasn't been deleted yet!
2221 $dbw = wfGetDB( DB_MASTER
);
2222 $conds = $this->mTitle
->pageCond();
2223 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
2224 if( $latest === false ) {
2225 $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) );
2226 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2227 LogEventsList
::showLogExtract( $wgOut, 'delete', $this->mTitle
->getPrefixedText() );
2231 # Hack for big sites
2232 $bigHistory = $this->isBigDeletion();
2233 if( $bigHistory && !$this->mTitle
->userCan( 'bigdelete' ) ) {
2234 global $wgLang, $wgDeleteRevisionsLimit;
2235 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2236 array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2241 $this->doDelete( $reason, $suppress );
2242 if( $wgRequest->getCheck( 'wpWatch' ) ) {
2244 } elseif( $this->mTitle
->userIsWatching() ) {
2250 // Generate deletion reason
2251 $hasHistory = false;
2252 if( !$reason ) $reason = $this->generateReason($hasHistory);
2254 // If the page has a history, insert a warning
2255 if( $hasHistory && !$confirm ) {
2256 $skin = $wgUser->getSkin();
2257 $wgOut->addHTML( '<strong>' . wfMsgExt( 'historywarning', array( 'parseinline' ) ) . ' ' . $skin->historyLink() . '</strong>' );
2259 global $wgLang, $wgDeleteRevisionsLimit;
2260 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2261 array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2265 return $this->confirmDelete( $reason );
2269 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
2271 public function isBigDeletion() {
2272 global $wgDeleteRevisionsLimit;
2273 if( $wgDeleteRevisionsLimit ) {
2274 $revCount = $this->estimateRevisionCount();
2275 return $revCount > $wgDeleteRevisionsLimit;
2281 * @return int approximate revision count
2283 public function estimateRevisionCount() {
2284 $dbr = wfGetDB( DB_SLAVE
);
2285 // For an exact count...
2286 //return $dbr->selectField( 'revision', 'COUNT(*)',
2287 // array( 'rev_page' => $this->getId() ), __METHOD__ );
2288 return $dbr->estimateRowCount( 'revision', '*',
2289 array( 'rev_page' => $this->getId() ), __METHOD__
);
2293 * Get the last N authors
2294 * @param $num Integer: number of revisions to get
2295 * @param $revLatest String: the latest rev_id, selected from the master (optional)
2296 * @return array Array of authors, duplicates not removed
2298 public function getLastNAuthors( $num, $revLatest = 0 ) {
2299 wfProfileIn( __METHOD__
);
2300 // First try the slave
2301 // If that doesn't have the latest revision, try the master
2303 $db = wfGetDB( DB_SLAVE
);
2305 $res = $db->select( array( 'page', 'revision' ),
2306 array( 'rev_id', 'rev_user_text' ),
2308 'page_namespace' => $this->mTitle
->getNamespace(),
2309 'page_title' => $this->mTitle
->getDBkey(),
2310 'rev_page = page_id'
2311 ), __METHOD__
, $this->getSelectOptions( array(
2312 'ORDER BY' => 'rev_timestamp DESC',
2317 wfProfileOut( __METHOD__
);
2320 $row = $db->fetchObject( $res );
2321 if( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
2322 $db = wfGetDB( DB_MASTER
);
2327 } while ( $continue );
2329 $authors = array( $row->rev_user_text
);
2330 while ( $row = $db->fetchObject( $res ) ) {
2331 $authors[] = $row->rev_user_text
;
2333 wfProfileOut( __METHOD__
);
2338 * Output deletion confirmation dialog
2339 * @param $reason String: prefilled reason
2341 public function confirmDelete( $reason ) {
2342 global $wgOut, $wgUser;
2344 wfDebug( "Article::confirmDelete\n" );
2346 $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->mTitle
) ) );
2347 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2348 $wgOut->addWikiMsg( 'confirmdeletetext' );
2350 if( $wgUser->isAllowed( 'suppressrevision' ) ) {
2351 $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\">
2353 <td class='mw-input'>" .
2354 Xml
::checkLabel( wfMsg( 'revdelete-suppress' ),
2355 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
2361 $checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching();
2363 $form = Xml
::openElement( 'form', array( 'method' => 'post',
2364 'action' => $this->mTitle
->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
2365 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
2366 Xml
::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) .
2367 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
2368 "<tr id=\"wpDeleteReasonListRow\">
2369 <td class='mw-label'>" .
2370 Xml
::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
2372 <td class='mw-input'>" .
2373 Xml
::listDropDown( 'wpDeleteReasonList',
2374 wfMsgForContent( 'deletereason-dropdown' ),
2375 wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
2378 <tr id=\"wpDeleteReasonRow\">
2379 <td class='mw-label'>" .
2380 Xml
::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
2382 <td class='mw-input'>" .
2383 Xml
::input( 'wpReason', 60, $reason, array( 'type' => 'text', 'maxlength' => '255',
2384 'tabindex' => '2', 'id' => 'wpReason' ) ) .
2389 <td class='mw-input'>" .
2390 Xml
::checkLabel( wfMsg( 'watchthis' ),
2391 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
2397 <td class='mw-submit'>" .
2398 Xml
::submitButton( wfMsg( 'deletepage' ),
2399 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
2402 Xml
::closeElement( 'table' ) .
2403 Xml
::closeElement( 'fieldset' ) .
2404 Xml
::hidden( 'wpEditToken', $wgUser->editToken() ) .
2405 Xml
::closeElement( 'form' );
2407 if( $wgUser->isAllowed( 'editinterface' ) ) {
2408 $skin = $wgUser->getSkin();
2409 $link = $skin->makeLink ( 'MediaWiki:Deletereason-dropdown', wfMsgHtml( 'delete-edit-reasonlist' ) );
2410 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
2413 $wgOut->addHTML( $form );
2414 LogEventsList
::showLogExtract( $wgOut, 'delete', $this->mTitle
->getPrefixedText() );
2418 * Perform a deletion and output success or failure messages
2420 public function doDelete( $reason, $suppress = false ) {
2421 global $wgOut, $wgUser;
2422 $id = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2425 if( wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason, &$error)) ) {
2426 if( $this->doDeleteArticle( $reason, $suppress, $id ) ) {
2427 $deleted = $this->mTitle
->getPrefixedText();
2429 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2430 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2432 $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
2434 $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink );
2435 $wgOut->returnToMain( false );
2436 wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason, $id));
2438 if( $error == '' ) {
2439 $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) );
2440 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2441 LogEventsList
::showLogExtract( $wgOut, 'delete', $this->mTitle
->getPrefixedText() );
2443 $wgOut->showFatalError( $error );
2450 * Back-end article deletion
2451 * Deletes the article with database consistency, writes logs, purges caches
2454 public function doDeleteArticle( $reason, $suppress = false, $id = 0 ) {
2455 global $wgUseSquid, $wgDeferredUpdateList;
2456 global $wgUseTrackbacks;
2458 wfDebug( __METHOD__
."\n" );
2460 $dbw = wfGetDB( DB_MASTER
);
2461 $ns = $this->mTitle
->getNamespace();
2462 $t = $this->mTitle
->getDBkey();
2463 $id = $id ?
$id : $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2465 if( $t == '' ||
$id == 0 ) {
2469 $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getRawText() ), -1 );
2470 array_push( $wgDeferredUpdateList, $u );
2472 // Bitfields to further suppress the content
2475 // This should be 15...
2476 $bitfield |
= Revision
::DELETED_TEXT
;
2477 $bitfield |
= Revision
::DELETED_COMMENT
;
2478 $bitfield |
= Revision
::DELETED_USER
;
2479 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2481 $bitfield = 'rev_deleted';
2485 // For now, shunt the revision data into the archive table.
2486 // Text is *not* removed from the text table; bulk storage
2487 // is left intact to avoid breaking block-compression or
2488 // immutable storage schemes.
2490 // For backwards compatibility, note that some older archive
2491 // table entries will have ar_text and ar_flags fields still.
2493 // In the future, we may keep revisions and mark them with
2494 // the rev_deleted field, which is reserved for this purpose.
2495 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2497 'ar_namespace' => 'page_namespace',
2498 'ar_title' => 'page_title',
2499 'ar_comment' => 'rev_comment',
2500 'ar_user' => 'rev_user',
2501 'ar_user_text' => 'rev_user_text',
2502 'ar_timestamp' => 'rev_timestamp',
2503 'ar_minor_edit' => 'rev_minor_edit',
2504 'ar_rev_id' => 'rev_id',
2505 'ar_text_id' => 'rev_text_id',
2506 'ar_text' => '\'\'', // Be explicit to appease
2507 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2508 'ar_len' => 'rev_len',
2509 'ar_page_id' => 'page_id',
2510 'ar_deleted' => $bitfield
2513 'page_id = rev_page'
2517 # Delete restrictions for it
2518 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2520 # Now that it's safely backed up, delete it
2521 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2522 $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
2528 # If using cascading deletes, we can skip some explicit deletes
2529 if( !$dbw->cascadingDeletes() ) {
2530 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2532 if($wgUseTrackbacks)
2533 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2535 # Delete outgoing links
2536 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2537 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2538 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2539 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2540 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2541 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2542 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2545 # If using cleanup triggers, we can skip some manual deletes
2546 if( !$dbw->cleanupTriggers() ) {
2547 # Clean up recentchanges entries...
2548 $dbw->delete( 'recentchanges',
2549 array( 'rc_type != '.RC_LOG
,
2550 'rc_namespace' => $this->mTitle
->getNamespace(),
2551 'rc_title' => $this->mTitle
->getDBKey() ),
2553 $dbw->delete( 'recentchanges',
2554 array( 'rc_type != '.RC_LOG
, 'rc_cur_id' => $id ),
2559 Article
::onArticleDelete( $this->mTitle
);
2561 # Fix category table counts
2563 $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__
);
2564 foreach( $res as $row ) {
2565 $cats []= $row->cl_to
;
2567 $this->updateCategoryCounts( array(), $cats );
2569 # Clear the cached article id so the interface doesn't act like we exist
2570 $this->mTitle
->resetArticleID( 0 );
2571 $this->mTitle
->mArticleID
= 0;
2573 # Log the deletion, if the page was suppressed, log it at Oversight instead
2574 $logtype = $suppress ?
'suppress' : 'delete';
2575 $log = new LogPage( $logtype );
2577 # Make sure logging got through
2578 $log->addEntry( 'delete', $this->mTitle
, $reason, array() );
2586 * Roll back the most recent consecutive set of edits to a page
2587 * from the same user; fails if there are no eligible edits to
2588 * roll back to, e.g. user is the sole contributor. This function
2589 * performs permissions checks on $wgUser, then calls commitRollback()
2590 * to do the dirty work
2592 * @param $fromP String: Name of the user whose edits to rollback.
2593 * @param $summary String: Custom summary. Set to default summary if empty.
2594 * @param $token String: Rollback token.
2595 * @param $bot Boolean: If true, mark all reverted edits as bot.
2597 * @param $resultDetails Array: contains result-specific array of additional values
2598 * 'alreadyrolled' : 'current' (rev)
2599 * success : 'summary' (str), 'current' (rev), 'target' (rev)
2601 * @return array of errors, each error formatted as
2602 * array(messagekey, param1, param2, ...).
2603 * On success, the array is empty. This array can also be passed to
2604 * OutputPage::showPermissionsErrorPage().
2606 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) {
2608 $resultDetails = null;
2611 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser );
2612 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $wgUser );
2613 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
2615 if( !$wgUser->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) )
2616 $errors[] = array( 'sessionfailure' );
2618 if( $wgUser->pingLimiter( 'rollback' ) ||
$wgUser->pingLimiter() ) {
2619 $errors[] = array( 'actionthrottledtext' );
2621 # If there were errors, bail out now
2622 if( !empty( $errors ) )
2625 return $this->commitRollback($fromP, $summary, $bot, $resultDetails);
2629 * Backend implementation of doRollback(), please refer there for parameter
2630 * and return value documentation
2632 * NOTE: This function does NOT check ANY permissions, it just commits the
2633 * rollback to the DB Therefore, you should only call this function direct-
2634 * ly if you want to use custom permissions checks. If you don't, use
2635 * doRollback() instead.
2637 public function commitRollback($fromP, $summary, $bot, &$resultDetails) {
2638 global $wgUseRCPatrol, $wgUser, $wgLang;
2639 $dbw = wfGetDB( DB_MASTER
);
2641 if( wfReadOnly() ) {
2642 return array( array( 'readonlytext' ) );
2645 # Get the last editor
2646 $current = Revision
::newFromTitle( $this->mTitle
);
2647 if( is_null( $current ) ) {
2648 # Something wrong... no page?
2649 return array(array('notanarticle'));
2652 $from = str_replace( '_', ' ', $fromP );
2653 if( $from != $current->getUserText() ) {
2654 $resultDetails = array( 'current' => $current );
2655 return array(array('alreadyrolled',
2656 htmlspecialchars($this->mTitle
->getPrefixedText()),
2657 htmlspecialchars($fromP),
2658 htmlspecialchars($current->getUserText())
2662 # Get the last edit not by this guy
2663 $user = intval( $current->getUser() );
2664 $user_text = $dbw->addQuotes( $current->getUserText() );
2665 $s = $dbw->selectRow( 'revision',
2666 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
2667 array( 'rev_page' => $current->getPage(),
2668 "rev_user != {$user} OR rev_user_text != {$user_text}"
2670 array( 'USE INDEX' => 'page_timestamp',
2671 'ORDER BY' => 'rev_timestamp DESC' )
2673 if( $s === false ) {
2674 # No one else ever edited this page
2675 return array(array('cantrollback'));
2676 } else if( $s->rev_deleted
& REVISION
::DELETED_TEXT ||
$s->rev_deleted
& REVISION
::DELETED_USER
) {
2677 # Only admins can see this text
2678 return array(array('notvisiblerev'));
2682 if( $bot && $wgUser->isAllowed('markbotedits') ) {
2683 # Mark all reverted edits as bot
2686 if( $wgUseRCPatrol ) {
2687 # Mark all reverted edits as patrolled
2688 $set['rc_patrolled'] = 1;
2692 $dbw->update( 'recentchanges', $set,
2694 'rc_cur_id' => $current->getPage(),
2695 'rc_user_text' => $current->getUserText(),
2696 "rc_timestamp > '{$s->rev_timestamp}'",
2701 # Generate the edit summary if necessary
2702 $target = Revision
::newFromId( $s->rev_id
);
2703 if( empty( $summary ) ){
2704 $summary = wfMsgForContent( 'revertpage' );
2707 # Allow the custom summary to use the same args as the default message
2709 $target->getUserText(), $from, $s->rev_id
,
2710 $wgLang->timeanddate(wfTimestamp(TS_MW
, $s->rev_timestamp
), true),
2711 $current->getId(), $wgLang->timeanddate($current->getTimestamp())
2713 $summary = wfMsgReplaceArgs( $summary, $args );
2716 $flags = EDIT_UPDATE
;
2718 if( $wgUser->isAllowed('minoredit') )
2719 $flags |
= EDIT_MINOR
;
2721 if( $bot && ($wgUser->isAllowed('markbotedits') ||
$wgUser->isAllowed('bot')) )
2722 $flags |
= EDIT_FORCE_BOT
;
2723 # Actually store the edit
2724 $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
2725 if( !empty( $status->value
['revision'] ) ) {
2726 $revId = $status->value
['revision']->getId();
2731 wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target, $current ) );
2733 $resultDetails = array(
2734 'summary' => $summary,
2735 'current' => $current,
2736 'target' => $target,
2743 * User interface for rollback operations
2745 public function rollback() {
2746 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
2749 $result = $this->doRollback(
2750 $wgRequest->getVal( 'from' ),
2751 $wgRequest->getText( 'summary' ),
2752 $wgRequest->getVal( 'token' ),
2753 $wgRequest->getBool( 'bot' ),
2757 if( in_array( array( 'actionthrottledtext' ), $result ) ) {
2758 $wgOut->rateLimited();
2761 if( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' ||
$result[0][0] == 'cantrollback' ) ) {
2762 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
2763 $errArray = $result[0];
2764 $errMsg = array_shift( $errArray );
2765 $wgOut->addWikiMsgArray( $errMsg, $errArray );
2766 if( isset( $details['current'] ) ){
2767 $current = $details['current'];
2768 if( $current->getComment() != '' ) {
2769 $wgOut->addWikiMsgArray( 'editcomment', array(
2770 $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) );
2775 # Display permissions errors before read-only message -- there's no
2776 # point in misleading the user into thinking the inability to rollback
2777 # is only temporary.
2778 if( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) {
2779 # array_diff is completely broken for arrays of arrays, sigh. Re-
2780 # move any 'readonlytext' error manually.
2782 foreach( $result as $error ) {
2783 if( $error != array( 'readonlytext' ) ) {
2787 $wgOut->showPermissionsErrorPage( $out );
2790 if( $result == array( array( 'readonlytext' ) ) ) {
2791 $wgOut->readOnlyPage();
2795 $current = $details['current'];
2796 $target = $details['target'];
2797 $newId = $details['newid'];
2798 $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) );
2799 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2800 $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() )
2801 . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() );
2802 $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() )
2803 . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() );
2804 $wgOut->addHTML( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) );
2805 $wgOut->returnToMain( false, $this->mTitle
);
2807 if( !$wgRequest->getBool( 'hidediff', false ) && !$wgUser->getBoolOption( 'norollbackdiff', false ) ) {
2808 $de = new DifferenceEngine( $this->mTitle
, $current->getId(), $newId, false, true );
2809 $de->showDiff( '', '' );
2815 * Do standard deferred updates after page view
2817 public function viewUpdates() {
2818 global $wgDeferredUpdateList, $wgDisableCounters, $wgUser;
2819 # Don't update page view counters on views from bot users (bug 14044)
2820 if( !$wgDisableCounters && !$wgUser->isAllowed('bot') && $this->getID() ) {
2821 Article
::incViewCount( $this->getID() );
2822 $u = new SiteStatsUpdate( 1, 0, 0 );
2823 array_push( $wgDeferredUpdateList, $u );
2825 # Update newtalk / watchlist notification status
2826 $wgUser->clearNotification( $this->mTitle
);
2830 * Prepare text which is about to be saved.
2831 * Returns a stdclass with source, pst and output members
2833 public function prepareTextForEdit( $text, $revid=null ) {
2834 if( $this->mPreparedEdit
&& $this->mPreparedEdit
->newText
== $text && $this->mPreparedEdit
->revid
== $revid) {
2836 return $this->mPreparedEdit
;
2839 $edit = (object)array();
2840 $edit->revid
= $revid;
2841 $edit->newText
= $text;
2842 $edit->pst
= $this->preSaveTransform( $text );
2843 $options = new ParserOptions
;
2844 $options->setTidy( true );
2845 $options->enableLimitReport();
2846 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $options, true, true, $revid );
2847 $edit->oldText
= $this->getContent();
2848 $this->mPreparedEdit
= $edit;
2853 * Do standard deferred updates after page edit.
2854 * Update links tables, site stats, search index and message cache.
2855 * Purges pages that include this page if the text was changed here.
2856 * Every 100th edit, prune the recent changes table.
2859 * @param $text New text of the article
2860 * @param $summary Edit summary
2861 * @param $minoredit Minor edit
2862 * @param $timestamp_of_pagechange Timestamp associated with the page change
2863 * @param $newid rev_id value of the new revision
2864 * @param $changed Whether or not the content actually changed
2866 public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
2867 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser, $wgEnableParserCache;
2869 wfProfileIn( __METHOD__
);
2872 # Be careful not to double-PST: $text is usually already PST-ed once
2873 if( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2874 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2875 $editInfo = $this->prepareTextForEdit( $text, $newid );
2877 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2878 $editInfo = $this->mPreparedEdit
;
2881 # Save it to the parser cache
2882 if( $wgEnableParserCache ) {
2883 $parserCache = ParserCache
::singleton();
2884 $parserCache->save( $editInfo->output
, $this, $wgUser );
2887 # Update the links tables
2888 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
, false );
2889 $u->setRecursiveTouch( $changed ); // refresh/invalidate including pages too
2892 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $changed ) );
2894 if( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2895 if( 0 == mt_rand( 0, 99 ) ) {
2896 // Flush old entries from the `recentchanges` table; we do this on
2897 // random requests so as to avoid an increase in writes for no good reason
2899 $dbw = wfGetDB( DB_MASTER
);
2900 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2901 $recentchanges = $dbw->tableName( 'recentchanges' );
2902 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
2903 $dbw->query( $sql );
2907 $id = $this->getID();
2908 $title = $this->mTitle
->getPrefixedDBkey();
2909 $shortTitle = $this->mTitle
->getDBkey();
2912 wfProfileOut( __METHOD__
);
2916 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
2917 array_push( $wgDeferredUpdateList, $u );
2918 $u = new SearchUpdate( $id, $title, $text );
2919 array_push( $wgDeferredUpdateList, $u );
2921 # If this is another user's talk page, update newtalk
2922 # Don't do this if $changed = false otherwise some idiot can null-edit a
2923 # load of user talk pages and piss people off, nor if it's a minor edit
2924 # by a properly-flagged bot.
2925 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
2926 && !( $minoredit && $wgUser->isAllowed( 'nominornewtalk' ) ) ) {
2927 if( wfRunHooks('ArticleEditUpdateNewTalk', array( &$this ) ) ) {
2928 $other = User
::newFromName( $shortTitle, false );
2930 wfDebug( __METHOD__
.": invalid username\n" );
2931 } elseif( User
::isIP( $shortTitle ) ) {
2932 // An anonymous user
2933 $other->setNewtalk( true );
2934 } elseif( $other->isLoggedIn() ) {
2935 $other->setNewtalk( true );
2937 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2942 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2943 $wgMessageCache->replace( $shortTitle, $text );
2946 wfProfileOut( __METHOD__
);
2950 * Perform article updates on a special page creation.
2952 * @param $rev Revision object
2954 * @todo This is a shitty interface function. Kill it and replace the
2955 * other shitty functions like editUpdates and such so it's not needed
2958 public function createUpdates( $rev ) {
2959 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
2960 $this->mTotalAdjustment
= 1;
2961 $this->editUpdates( $rev->getText(), $rev->getComment(),
2962 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
2966 * Generate the navigation links when browsing through an article revisions
2967 * It shows the information as:
2968 * Revision as of \<date\>; view current revision
2969 * \<- Previous version | Next Version -\>
2971 * @param $oldid String: revision ID of this article revision
2973 public function setOldSubtitle( $oldid = 0 ) {
2974 global $wgLang, $wgOut, $wgUser;
2976 if( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
2980 $revision = Revision
::newFromId( $oldid );
2982 $current = ( $oldid == $this->mLatest
);
2983 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
2984 $sk = $wgUser->getSkin();
2986 ?
wfMsgHtml( 'currentrevisionlink' )
2987 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'currentrevisionlink' ) );
2989 ?
wfMsgHtml( 'diff' )
2990 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'diff' ), 'diff=cur&oldid='.$oldid );
2991 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
2993 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
2994 : wfMsgHtml( 'previousrevision' );
2996 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'diff' ), 'diff=prev&oldid='.$oldid )
2997 : wfMsgHtml( 'diff' );
2998 $nextlink = $current
2999 ?
wfMsgHtml( 'nextrevision' )
3000 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'nextrevision' ), 'direction=next&oldid='.$oldid );
3001 $nextdiff = $current
3002 ?
wfMsgHtml( 'diff' )
3003 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'diff' ), 'diff=next&oldid='.$oldid );
3006 if( $wgUser->isAllowed( 'deleterevision' ) ) {
3007 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
3008 if( $revision->isCurrent() ) {
3009 // We don't handle top deleted edits too well
3010 $cdel = wfMsgHtml( 'rev-delundel' );
3011 } else if( !$revision->userCan( Revision
::DELETED_RESTRICTED
) ) {
3012 // If revision was hidden from sysops
3013 $cdel = wfMsgHtml( 'rev-delundel' );
3015 $cdel = $sk->makeKnownLinkObj( $revdel,
3016 wfMsgHtml('rev-delundel'),
3017 'target=' . urlencode( $this->mTitle
->getPrefixedDbkey() ) .
3018 '&oldid=' . urlencode( $oldid ) );
3019 // Bolden oversighted content
3020 if( $revision->isDeleted( Revision
::DELETED_RESTRICTED
) )
3021 $cdel = "<strong>$cdel</strong>";
3023 $cdel = "(<small>$cdel</small>) ";
3025 # Show user links if allowed to see them. Normally they
3026 # are hidden regardless, but since we can already see the text here...
3027 $userlinks = $sk->revUserTools( $revision, false );
3029 $m = wfMsg( 'revision-info-current' );
3030 $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
3031 ?
'revision-info-current'
3034 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" . wfMsgExt( $infomsg, array( 'parseinline', 'replaceafter' ), $td, $userlinks, $revision->getID() ) . "</div>\n" .
3036 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgHtml( 'revision-nav', $prevdiff,
3037 $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
3038 $wgOut->setSubtitle( $r );
3042 * This function is called right before saving the wikitext,
3043 * so we can do things like signatures and links-in-context.
3045 * @param $text String
3047 public function preSaveTransform( $text ) {
3048 global $wgParser, $wgUser;
3049 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
3052 /* Caching functions */
3055 * checkLastModified returns true if it has taken care of all
3056 * output to the client that is necessary for this request.
3057 * (that is, it has sent a cached version of the page)
3059 protected function tryFileCache() {
3060 static $called = false;
3062 wfDebug( "Article::tryFileCache(): called twice!?\n" );
3066 if( $this->isFileCacheable() ) {
3067 $cache = new HTMLFileCache( $this->mTitle
);
3068 if( $cache->isFileCacheGood( $this->mTouched
) ) {
3069 wfDebug( "Article::tryFileCache(): about to load file\n" );
3070 $cache->loadFromFileCache();
3073 wfDebug( "Article::tryFileCache(): starting buffer\n" );
3074 ob_start( array(&$cache, 'saveToFileCache' ) );
3077 wfDebug( "Article::tryFileCache(): not cacheable\n" );
3083 * Check if the page can be cached
3086 public function isFileCacheable() {
3088 if( HTMLFileCache
::useFileCache() ) {
3089 $cacheable = $this->getID() && !$this->mRedirectedFrom
;
3090 // Extension may have reason to disable file caching on some pages.
3092 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
3099 * Loads page_touched and returns a value indicating if it should be used
3102 public function checkTouched() {
3103 if( !$this->mDataLoaded
) {
3104 $this->loadPageData();
3106 return !$this->mIsRedirect
;
3110 * Get the page_touched field
3112 public function getTouched() {
3113 # Ensure that page data has been loaded
3114 if( !$this->mDataLoaded
) {
3115 $this->loadPageData();
3117 return $this->mTouched
;
3121 * Get the page_latest field
3123 public function getLatest() {
3124 if( !$this->mDataLoaded
) {
3125 $this->loadPageData();
3127 return $this->mLatest
;
3131 * Edit an article without doing all that other stuff
3132 * The article must already exist; link tables etc
3133 * are not updated, caches are not flushed.
3135 * @param $text String: text submitted
3136 * @param $comment String: comment submitted
3137 * @param $minor Boolean: whereas it's a minor modification
3139 public function quickEdit( $text, $comment = '', $minor = 0 ) {
3140 wfProfileIn( __METHOD__
);
3142 $dbw = wfGetDB( DB_MASTER
);
3143 $revision = new Revision( array(
3144 'page' => $this->getId(),
3146 'comment' => $comment,
3147 'minor_edit' => $minor ?
1 : 0,
3149 $revision->insertOn( $dbw );
3150 $this->updateRevisionOn( $dbw, $revision );
3152 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $wgUser) );
3154 wfProfileOut( __METHOD__
);
3158 * Used to increment the view counter
3160 * @param $id Integer: article id
3162 public static function incViewCount( $id ) {
3163 $id = intval( $id );
3164 global $wgHitcounterUpdateFreq, $wgDBtype;
3166 $dbw = wfGetDB( DB_MASTER
);
3167 $pageTable = $dbw->tableName( 'page' );
3168 $hitcounterTable = $dbw->tableName( 'hitcounter' );
3169 $acchitsTable = $dbw->tableName( 'acchits' );
3171 if( $wgHitcounterUpdateFreq <= 1 ) {
3172 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
3176 # Not important enough to warrant an error page in case of failure
3177 $oldignore = $dbw->ignoreErrors( true );
3179 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
3181 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
3182 if( (rand() %
$checkfreq != 0) or ($dbw->lastErrno() != 0) ){
3183 # Most of the time (or on SQL errors), skip row count check
3184 $dbw->ignoreErrors( $oldignore );
3188 $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
3189 $row = $dbw->fetchObject( $res );
3190 $rown = intval( $row->n
);
3191 if( $rown >= $wgHitcounterUpdateFreq ){
3192 wfProfileIn( 'Article::incViewCount-collect' );
3193 $old_user_abort = ignore_user_abort( true );
3195 if($wgDBtype == 'mysql')
3196 $dbw->query("LOCK TABLES $hitcounterTable WRITE");
3197 $tabletype = $wgDBtype == 'mysql' ?
"ENGINE=HEAP " : '';
3198 $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
3199 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
3201 $dbw->query("DELETE FROM $hitcounterTable");
3202 if($wgDBtype == 'mysql') {
3203 $dbw->query('UNLOCK TABLES');
3204 $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
3205 'WHERE page_id = hc_id');
3208 $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ".
3209 "FROM $acchitsTable WHERE page_id = hc_id");
3211 $dbw->query("DROP TABLE $acchitsTable");
3213 ignore_user_abort( $old_user_abort );
3214 wfProfileOut( 'Article::incViewCount-collect' );
3216 $dbw->ignoreErrors( $oldignore );
3220 * The onArticle*() functions are supposed to be a kind of hooks
3221 * which should be called whenever any of the specified actions
3224 * This is a good place to put code to clear caches, for instance.
3226 * This is called on page move and undelete, as well as edit
3228 * @param $title a title object
3231 public static function onArticleCreate( $title ) {
3232 # Update existence markers on article/talk tabs...
3233 if( $title->isTalkPage() ) {
3234 $other = $title->getSubjectPage();
3236 $other = $title->getTalkPage();
3238 $other->invalidateCache();
3239 $other->purgeSquid();
3241 $title->touchLinks();
3242 $title->purgeSquid();
3243 $title->deleteTitleProtection();
3246 public static function onArticleDelete( $title ) {
3247 global $wgMessageCache;
3248 # Update existence markers on article/talk tabs...
3249 if( $title->isTalkPage() ) {
3250 $other = $title->getSubjectPage();
3252 $other = $title->getTalkPage();
3254 $other->invalidateCache();
3255 $other->purgeSquid();
3257 $title->touchLinks();
3258 $title->purgeSquid();
3261 HTMLFileCache
::clearFileCache( $title );
3264 if( $title->getNamespace() == NS_MEDIAWIKI
) {
3265 $wgMessageCache->replace( $title->getDBkey(), false );
3268 if( $title->getNamespace() == NS_FILE
) {
3269 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
3270 $update->doUpdate();
3273 if( $title->getNamespace() == NS_USER_TALK
) {
3274 $user = User
::newFromName( $title->getText(), false );
3275 $user->setNewtalk( false );
3280 * Purge caches on page update etc
3282 public static function onArticleEdit( $title, $transclusions = 'transclusions' ) {
3283 global $wgDeferredUpdateList;
3285 // Invalidate caches of articles which include this page
3286 if( $transclusions !== 'skiptransclusions' )
3287 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
3289 // Invalidate the caches of all pages which redirect here
3290 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
3292 # Purge squid for this page only
3293 $title->purgeSquid();
3295 # Clear file cache for this page only
3296 HTMLFileCache
::clearFileCache( $title );
3302 * Overriden by ImagePage class, only present here to avoid a fatal error
3303 * Called for ?action=revert
3305 public function revert() {
3307 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3311 * Info about this page
3312 * Called for ?action=info when $wgAllowPageInfo is on.
3314 public function info() {
3315 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
3317 if( !$wgAllowPageInfo ) {
3318 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3322 $page = $this->mTitle
->getSubjectPage();
3324 $wgOut->setPagetitle( $page->getPrefixedText() );
3325 $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) );
3326 $wgOut->setSubtitle( wfMsgHtml( 'infosubtitle' ) );
3328 if( !$this->mTitle
->exists() ) {
3329 $wgOut->addHTML( '<div class="noarticletext">' );
3330 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3331 // This doesn't quite make sense; the user is asking for
3332 // information about the _page_, not the message... -- RC
3333 $wgOut->addHTML( htmlspecialchars( wfMsgWeirdKey( $this->mTitle
->getText() ) ) );
3335 $msg = $wgUser->isLoggedIn()
3337 : 'noarticletextanon';
3338 $wgOut->addHTML( wfMsgExt( $msg, 'parse' ) );
3340 $wgOut->addHTML( '</div>' );
3342 $dbr = wfGetDB( DB_SLAVE
);
3344 'wl_title' => $page->getDBkey(),
3345 'wl_namespace' => $page->getNamespace() );
3346 $numwatchers = $dbr->selectField(
3351 $this->getSelectOptions() );
3353 $pageInfo = $this->pageCountInfo( $page );
3354 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
3356 $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
3357 $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
3359 $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
3361 $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
3363 $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
3365 $wgOut->addHTML( '</ul>' );
3370 * Return the total number of edits and number of unique editors
3371 * on a given page. If page does not exist, returns false.
3373 * @param $title Title object
3376 protected function pageCountInfo( $title ) {
3377 $id = $title->getArticleId();
3381 $dbr = wfGetDB( DB_SLAVE
);
3382 $rev_clause = array( 'rev_page' => $id );
3383 $edits = $dbr->selectField(
3388 $this->getSelectOptions()
3390 $authors = $dbr->selectField(
3392 'COUNT(DISTINCT rev_user_text)',
3395 $this->getSelectOptions()
3397 return array( 'edits' => $edits, 'authors' => $authors );
3401 * Return a list of templates used by this article.
3402 * Uses the templatelinks table
3404 * @return Array of Title objects
3406 public function getUsedTemplates() {
3408 $id = $this->mTitle
->getArticleID();
3412 $dbr = wfGetDB( DB_SLAVE
);
3413 $res = $dbr->select( array( 'templatelinks' ),
3414 array( 'tl_namespace', 'tl_title' ),
3415 array( 'tl_from' => $id ),
3417 if( $res !== false ) {
3418 foreach( $res as $row ) {
3419 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
3422 $dbr->freeResult( $res );
3427 * Returns a list of hidden categories this page is a member of.
3428 * Uses the page_props and categorylinks tables.
3430 * @return Array of Title objects
3432 public function getHiddenCategories() {
3434 $id = $this->mTitle
->getArticleID();
3438 $dbr = wfGetDB( DB_SLAVE
);
3439 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3441 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3442 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to'),
3444 if( $res !== false ) {
3445 foreach( $res as $row ) {
3446 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3449 $dbr->freeResult( $res );
3454 * Return an applicable autosummary if one exists for the given edit.
3455 * @param $oldtext String: the previous text of the page.
3456 * @param $newtext String: The submitted text of the page.
3457 * @param $flags Bitmask: a bitmask of flags submitted for the edit.
3458 * @return string An appropriate autosummary, or an empty string.
3460 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3461 # Decide what kind of autosummary is needed.
3463 # Redirect autosummaries
3464 $ot = Title
::newFromRedirect( $oldtext );
3465 $rt = Title
::newFromRedirect( $newtext );
3466 if( is_object( $rt ) && ( !is_object( $ot ) ||
!$rt->equals( $ot ) ||
$ot->getFragment() != $rt->getFragment() ) ) {
3467 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
3470 # New page autosummaries
3471 if( $flags & EDIT_NEW
&& strlen( $newtext ) ) {
3472 # If they're making a new article, give its text, truncated, in the summary.
3474 $truncatedtext = $wgContLang->truncate(
3475 str_replace("\n", ' ', $newtext),
3476 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ),
3478 return wfMsgForContent( 'autosumm-new', $truncatedtext );
3481 # Blanking autosummaries
3482 if( $oldtext != '' && $newtext == '' ) {
3483 return wfMsgForContent( 'autosumm-blank' );
3484 } elseif( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500) {
3485 # Removing more than 90% of the article
3487 $truncatedtext = $wgContLang->truncate(
3489 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ),
3492 return wfMsgForContent( 'autosumm-replace', $truncatedtext );
3495 # If we reach this point, there's no applicable autosummary for our case, so our
3496 # autosummary is empty.
3501 * Add the primary page-view wikitext to the output buffer
3502 * Saves the text into the parser cache if possible.
3503 * Updates templatelinks if it is out of date.
3505 * @param $text String
3506 * @param $cache Boolean
3508 public function outputWikiText( $text, $cache = true ) {
3509 global $wgParser, $wgUser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
3511 $popts = $wgOut->parserOptions();
3512 $popts->setTidy(true);
3513 $popts->enableLimitReport();
3514 $parserOutput = $wgParser->parse( $text, $this->mTitle
,
3515 $popts, true, true, $this->getRevIdFetched() );
3516 $popts->setTidy(false);
3517 $popts->enableLimitReport( false );
3518 if( $wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1 ) {
3519 $parserCache = ParserCache
::singleton();
3520 $parserCache->save( $parserOutput, $this, $wgUser );
3522 // Make sure file cache is not used on uncacheable content.
3523 // Output that has magic words in it can still use the parser cache
3524 // (if enabled), though it will generally expire sooner.
3525 if( $parserOutput->getCacheTime() == -1 ||
$parserOutput->containsOldMagic() ) {
3526 $wgUseFileCache = false;
3529 if( $this->isCurrent() && !wfReadOnly() && $this->mTitle
->areRestrictionsCascading() ) {
3530 // templatelinks table may have become out of sync,
3531 // especially if using variable-based transclusions.
3532 // For paranoia, check if things have changed and if
3533 // so apply updates to the database. This will ensure
3534 // that cascaded protections apply as soon as the changes
3537 # Get templates from templatelinks
3538 $id = $this->mTitle
->getArticleID();
3540 $tlTemplates = array();
3542 $dbr = wfGetDB( DB_SLAVE
);
3543 $res = $dbr->select( array( 'templatelinks' ),
3544 array( 'tl_namespace', 'tl_title' ),
3545 array( 'tl_from' => $id ),
3550 if( $res !== false ) {
3551 foreach( $res as $row ) {
3552 $tlTemplates[] = $wgContLang->getNsText( $row->tl_namespace
) . ':' . $row->tl_title
;
3556 # Get templates from parser output.
3557 $poTemplates_allns = $parserOutput->getTemplates();
3559 $poTemplates = array ();
3560 foreach ( $poTemplates_allns as $ns_templates ) {
3561 $poTemplates = array_merge( $poTemplates, $ns_templates );
3565 $templates_diff = array_diff( $poTemplates, $tlTemplates );
3567 if( count( $templates_diff ) > 0 ) {
3568 # Whee, link updates time.
3569 $u = new LinksUpdate( $this->mTitle
, $parserOutput );
3574 $wgOut->addParserOutput( $parserOutput );
3578 * Update all the appropriate counts in the category table, given that
3579 * we've added the categories $added and deleted the categories $deleted.
3581 * @param $added array The names of categories that were added
3582 * @param $deleted array The names of categories that were deleted
3585 public function updateCategoryCounts( $added, $deleted ) {
3586 $ns = $this->mTitle
->getNamespace();
3587 $dbw = wfGetDB( DB_MASTER
);
3589 # First make sure the rows exist. If one of the "deleted" ones didn't
3590 # exist, we might legitimately not create it, but it's simpler to just
3591 # create it and then give it a negative value, since the value is bogus
3594 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
3595 $insertCats = array_merge( $added, $deleted );
3596 if( !$insertCats ) {
3597 # Okay, nothing to do
3600 $insertRows = array();
3601 foreach( $insertCats as $cat ) {
3602 $insertRows[] = array( 'cat_title' => $cat );
3604 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
3606 $addFields = array( 'cat_pages = cat_pages + 1' );
3607 $removeFields = array( 'cat_pages = cat_pages - 1' );
3608 if( $ns == NS_CATEGORY
) {
3609 $addFields[] = 'cat_subcats = cat_subcats + 1';
3610 $removeFields[] = 'cat_subcats = cat_subcats - 1';
3611 } elseif( $ns == NS_FILE
) {
3612 $addFields[] = 'cat_files = cat_files + 1';
3613 $removeFields[] = 'cat_files = cat_files - 1';
3620 array( 'cat_title' => $added ),
3628 array( 'cat_title' => $deleted ),