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 $row = $dbr->selectRow( 'redirect',
88 array('rd_namespace', 'rd_title'),
89 array('rd_from' => $this->getID() ),
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 $hideBit = Revision
::DELETED_USER
; // username hidden?
702 $sql = "SELECT {$userTable}.*, MAX(rev_timestamp) as timestamp
703 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
704 WHERE rev_page = $pageId
705 AND rev_user != $user
706 AND rev_deleted & $hideBit = 0
707 GROUP BY rev_user, rev_user_text, user_real_name
708 ORDER BY timestamp DESC";
710 if($limit > 0) { $sql .= ' LIMIT '.$limit; }
711 if($offset > 0) { $sql .= ' OFFSET '.$offset; }
713 $sql .= ' '. $this->getSelectOptions();
715 $res = $dbr->query($sql, __METHOD__
);
717 return new UserArrayFromResult( $res );
721 * This is the default action of the script: just view the page of
724 public function view() {
725 global $wgUser, $wgOut, $wgRequest, $wgContLang;
726 global $wgEnableParserCache, $wgStylePath, $wgParser;
727 global $wgUseTrackbacks, $wgNamespaceRobotPolicies, $wgArticleRobotPolicies;
728 global $wgDefaultRobotPolicy;
730 # Let the parser know if this is the printable version
731 if( $wgOut->isPrintable() ) {
732 $wgOut->parserOptions()->setIsPrintable( true );
735 wfProfileIn( __METHOD__
);
737 # Get variables from query string
738 $oldid = $this->getOldID();
740 # Try client and file cache
741 if( $oldid === 0 && $this->checkTouched() ) {
744 $parserCache = ParserCache
::singleton();
745 $wgOut->setETag( $parserCache->getETag($this, $wgOut->parserOptions()) );
747 # Is is client cached?
748 if( $wgOut->checkLastModified( $this->getTouched() ) ) {
749 wfProfileOut( __METHOD__
);
752 } else if( $this->tryFileCache() ) {
753 # tell wgOut that output is taken care of
755 $this->viewUpdates();
756 wfProfileOut( __METHOD__
);
761 $ns = $this->mTitle
->getNamespace(); # shortcut
762 $sk = $wgUser->getSkin();
764 # getOldID may want us to redirect somewhere else
765 if( $this->mRedirectUrl
) {
766 $wgOut->redirect( $this->mRedirectUrl
);
767 wfProfileOut( __METHOD__
);
771 $diff = $wgRequest->getVal( 'diff' );
772 $rcid = $wgRequest->getVal( 'rcid' );
773 $rdfrom = $wgRequest->getVal( 'rdfrom' );
774 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
775 $purge = $wgRequest->getVal( 'action' ) == 'purge';
778 $wgOut->setArticleFlag( true );
780 # Discourage indexing of printable versions, but encourage following
781 if( $wgOut->isPrintable() ) {
782 $policy = 'noindex,follow';
783 } elseif( isset( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) ) {
784 $policy = $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()];
785 } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
786 # Honour customised robot policies for this namespace
787 $policy = $wgNamespaceRobotPolicies[$ns];
789 $policy = $wgDefaultRobotPolicy;
791 $wgOut->setRobotPolicy( $policy );
793 # Allow admins to see deleted content if explicitly requested
794 $delId = $diff ?
$diff : $oldid;
795 $unhide = $wgRequest->getInt('unhide') == 1
796 && $wgUser->matchEditToken( $wgRequest->getVal('token'), $delId );
797 # If we got diff and oldid in the query, we want to see a
798 # diff page instead of the article.
799 if( !is_null( $diff ) ) {
800 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
802 $htmldiff = $wgRequest->getVal( 'htmldiff' , false);
803 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid, $purge, $htmldiff, $unhide );
804 // DifferenceEngine directly fetched the revision:
805 $this->mRevIdFetched
= $de->mNewid
;
806 $de->showDiffPage( $diffOnly );
808 // Needed to get the page's current revision
809 $this->loadPageData();
810 if( $diff == 0 ||
$diff == $this->mLatest
) {
811 # Run view updates for current revision only
812 $this->viewUpdates();
814 wfProfileOut( __METHOD__
);
818 if( $ns == NS_USER ||
$ns == NS_USER_TALK
) {
819 # User/User_talk subpages are not modified. (bug 11443)
820 if( !$this->mTitle
->isSubpage() ) {
821 $block = new Block();
822 if( $block->load( $this->mTitle
->getBaseText() ) ) {
823 $wgOut->setRobotpolicy( 'noindex,nofollow' );
828 # Should the parser cache be used?
829 $pcache = $this->useParserCache( $oldid );
830 wfDebug( 'Article::view using parser cache: ' . ($pcache ?
'yes' : 'no' ) . "\n" );
831 if( $wgUser->getOption( 'stubthreshold' ) ) {
832 wfIncrStats( 'pcache_miss_stub' );
835 $wasRedirected = false;
836 if( isset( $this->mRedirectedFrom
) ) {
837 // This is an internally redirected page view.
838 // We'll need a backlink to the source page for navigation.
839 if( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
840 $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom
, '', 'redirect=no' );
841 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
842 $wgOut->setSubtitle( $s );
844 // Set the fragment if one was specified in the redirect
845 if( strval( $this->mTitle
->getFragment() ) != '' ) {
846 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
847 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
850 // Add a <link rel="canonical"> tag
851 $wgOut->addLink( array( 'rel' => 'canonical',
852 'href' => $this->mTitle
->getLocalURL() )
854 $wasRedirected = true;
856 } elseif( !empty( $rdfrom ) ) {
857 // This is an externally redirected view, from some other wiki.
858 // If it was reported from a trusted site, supply a backlink.
859 global $wgRedirectSources;
860 if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
861 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
862 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
863 $wgOut->setSubtitle( $s );
864 $wasRedirected = true;
869 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$pcache ) );
870 if( $pcache && $wgOut->tryParserCache( $this ) ) {
871 // Ensure that UI elements requiring revision ID have
872 // the correct version information.
873 $wgOut->setRevisionId( $this->mLatest
);
876 # Fetch content and check for errors
878 # If the article does not exist and was deleted, show the log
879 if( $this->getID() == 0 ) {
880 $this->showDeletionLog();
882 $text = $this->getContent();
883 // For now, check also for ID until getContent actually returns
884 // false for pages that do not exists
885 if( $text === false ||
$this->getID() === 0 ) {
886 # Failed to load, replace text with error message
887 $t = $this->mTitle
->getPrefixedText();
889 $d = wfMsgExt( 'missingarticle-rev', 'escape', $oldid );
890 $text = wfMsgExt( 'missing-article', 'parsemag', $t, $d );
891 // Always use page content for pages in the MediaWiki namespace
892 // since it contains the default message
893 } elseif ( $this->mTitle
->getNamespace() != NS_MEDIAWIKI
) {
894 $text = wfMsgExt( 'noarticletext', 'parsemag' );
899 if( $this->getID() === 0 ) {
900 $wgOut->setRobotPolicy( 'noindex,nofollow' );
901 $text = "<div class='noarticletext'>\n$text\n</div>";
902 if( !$this->hasViewableContent() ) {
903 // If there's no backing content, send a 404 Not Found
904 // for better machine handling of broken links.
910 $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
913 # Another whitelist check in case oldid is altering the title
914 if( !$this->mTitle
->userCanRead() ) {
915 $wgOut->loginToUse();
918 wfProfileOut( __METHOD__
);
922 # For ?curid=x urls, disallow indexing
923 if( $wgRequest->getInt('curid') )
924 $wgOut->setRobotPolicy( 'noindex,follow' );
926 # We're looking at an old revision
927 if( !empty( $oldid ) ) {
928 $wgOut->setRobotPolicy( 'noindex,nofollow' );
929 if( is_null( $this->mRevision
) ) {
930 // FIXME: This would be a nice place to load the 'no such page' text.
932 $this->setOldSubtitle( isset($this->mOldId
) ?
$this->mOldId
: $oldid );
933 # Allow admins to see deleted content if explicitly requested
934 if( $this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
935 if( !$unhide ||
!$this->mRevision
->userCan(Revision
::DELETED_TEXT
) ) {
936 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-permission' );
937 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
938 wfProfileOut( __METHOD__
);
941 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-view' );
942 // and we are allowed to see...
945 // Is this the current revision and otherwise cacheable? Try the parser cache...
946 if( $oldid === $this->getLatest() && $this->useParserCache( false )
947 && $wgOut->tryParserCache( $this ) )
954 // Ensure that UI elements requiring revision ID have
955 // the correct version information.
956 $wgOut->setRevisionId( $this->getRevIdFetched() );
960 // Pages containing custom CSS or JavaScript get special treatment
961 } else if( $this->mTitle
->isCssOrJsPage() ||
$this->mTitle
->isCssJsSubpage() ) {
962 $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
963 // Give hooks a chance to customise the output
964 if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent
, $this->mTitle
, $wgOut ) ) ) {
965 // Wrap the whole lot in a <pre> and don't parse
967 preg_match( '!\.(css|js)$!u', $this->mTitle
->getText(), $m );
968 $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
969 $wgOut->addHTML( htmlspecialchars( $this->mContent
) );
970 $wgOut->addHTML( "\n</pre>\n" );
972 } else if( $rt = Title
::newFromRedirectArray( $text ) ) { # get an array of redirect targets
973 # Don't append the subtitle if this was an old revision
974 $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
975 $parseout = $wgParser->parse($text, $this->mTitle
, ParserOptions
::newFromUser($wgUser));
976 $wgOut->addParserOutputNoText( $parseout );
977 } else if( $pcache ) {
978 # Display content and save to parser cache
979 $this->outputWikiText( $text );
981 # Display content, don't attempt to save to parser cache
982 # Don't show section-edit links on old revisions... this way lies madness.
983 if( !$this->isCurrent() ) {
984 $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
986 # Display content and don't save to parser cache
987 # With timing hack -- TS 2006-07-26
989 $this->outputWikiText( $text, false );
994 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
995 $this->mTitle
->getPrefixedDBkey()));
998 if( !$this->isCurrent() ) {
999 $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
1003 /* title may have been set from the cache */
1004 $t = $wgOut->getPageTitle();
1006 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
1008 # For the main page, overwrite the <title> element with the con-
1009 # tents of 'pagetitle-view-mainpage' instead of the default (if
1010 # that's not empty).
1011 if( $this->mTitle
->equals( Title
::newMainPage() ) &&
1012 wfMsgForContent( 'pagetitle-view-mainpage' ) !== '' ) {
1013 $wgOut->setHTMLTitle( wfMsgForContent( 'pagetitle-view-mainpage' ) );
1017 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1018 if( $ns == NS_USER_TALK
&& IP
::isValid( $this->mTitle
->getText() ) ) {
1019 $wgOut->addWikiMsg('anontalkpagetext');
1022 # If we have been passed an &rcid= parameter, we want to give the user a
1023 # chance to mark this new article as patrolled.
1024 if( !empty($rcid) && $this->mTitle
->exists() && $this->mTitle
->quickUserCan('patrol') ) {
1026 "<div class='patrollink'>" .
1027 wfMsgHtml( 'markaspatrolledlink',
1028 $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml('markaspatrolledtext'),
1029 "action=markpatrolled&rcid=$rcid" )
1036 if( $wgUseTrackbacks ) {
1037 $this->addTrackbacks();
1040 $this->viewUpdates();
1041 wfProfileOut( __METHOD__
);
1044 protected function showDeletionLog() {
1045 global $wgUser, $wgOut;
1046 $loglist = new LogEventsList( $wgUser->getSkin(), $wgOut );
1047 $pager = new LogPager( $loglist, 'delete', false, $this->mTitle
->getPrefixedText() );
1048 if( $pager->getNumRows() > 0 ) {
1049 $pager->mLimit
= 10;
1050 $wgOut->addHTML( '<div class="mw-warning-with-logexcerpt">' );
1051 $wgOut->addWikiMsg( 'deleted-notice' );
1053 $loglist->beginLogEventsList() .
1055 $loglist->endLogEventsList()
1057 if( $pager->getNumRows() > 10 ) {
1058 $wgOut->addHTML( $wgUser->getSkin()->link(
1059 SpecialPage
::getTitleFor( 'Log' ),
1060 wfMsgHtml( 'deletelog-fulllog' ),
1062 array( 'type' => 'delete', 'page' => $this->mTitle
->getPrefixedText() )
1065 $wgOut->addHTML( '</div>' );
1070 * Should the parser cache be used?
1072 protected function useParserCache( $oldid ) {
1073 global $wgUser, $wgEnableParserCache;
1075 return $wgEnableParserCache
1076 && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0
1079 && !$this->mTitle
->isCssOrJsPage()
1080 && !$this->mTitle
->isCssJsSubpage();
1085 * @param $target Title object or Array of destination(s) to redirect
1086 * @param $appendSubtitle Boolean [optional]
1087 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1089 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1090 global $wgParser, $wgOut, $wgContLang, $wgStylePath, $wgUser;
1092 if( !is_array( $target ) ) {
1093 $target = array( $target );
1095 $imageDir = $wgContLang->isRTL() ?
'rtl' : 'ltr';
1096 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1097 $imageUrl2 = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1098 $alt2 = $wgContLang->isRTL() ?
'←' : '→'; // should -> and <- be used instead of entities?
1100 if( $appendSubtitle ) {
1101 $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
1103 $sk = $wgUser->getSkin();
1104 // the loop prepends the arrow image before the link, so the first case needs to be outside
1105 $title = array_shift( $target );
1107 $link = $sk->makeKnownLinkObj( $title, htmlspecialchars( $title->getFullText() ) );
1109 $link = $sk->makeLinkObj( $title, htmlspecialchars( $title->getFullText() ) );
1111 // automatically append redirect=no to each link, since most of them are redirect pages themselves
1112 foreach( $target as $rt ) {
1114 $link .= '<img src="'.$imageUrl2.'" alt="'.$alt2.' " />'
1115 . $sk->makeKnownLinkObj( $rt, htmlspecialchars( $rt->getFullText() ) );
1117 $link .= '<img src="'.$imageUrl2.'" alt="'.$alt2.' " />'
1118 . $sk->makeLinkObj( $rt, htmlspecialchars( $rt->getFullText() ) );
1121 return '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
1122 '<span class="redirectText">'.$link.'</span>';
1126 public function addTrackbacks() {
1127 global $wgOut, $wgUser;
1128 $dbr = wfGetDB( DB_SLAVE
);
1129 $tbs = $dbr->select( 'trackbacks',
1130 array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
1131 array('tb_page' => $this->getID() )
1133 if( !$dbr->numRows($tbs) ) return;
1136 while( $o = $dbr->fetchObject($tbs) ) {
1138 if( $wgUser->isAllowed( 'trackback' ) ) {
1139 $delurl = $this->mTitle
->getFullURL("action=deletetrackback&tbid=" .
1140 $o->tb_id
. "&token=" . urlencode( $wgUser->editToken() ) );
1141 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
1144 $tbtext .= wfMsg(strlen($o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
1151 $wgOut->wrapWikiMsg( "<div id='mw_trackbacks'>$1</div>\n", array( 'trackbackbox', $tbtext ) );
1152 $this->mTitle
->invalidateCache();
1155 public function deletetrackback() {
1156 global $wgUser, $wgRequest, $wgOut, $wgTitle;
1157 if( !$wgUser->matchEditToken($wgRequest->getVal('token')) ) {
1158 $wgOut->addWikiMsg( 'sessionfailure' );
1162 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
1163 if( count($permission_errors) ) {
1164 $wgOut->showPermissionsErrorPage( $permission_errors );
1168 $db = wfGetDB( DB_MASTER
);
1169 $db->delete( 'trackbacks', array('tb_id' => $wgRequest->getInt('tbid')) );
1171 $wgOut->addWikiMsg( 'trackbackdeleteok' );
1172 $this->mTitle
->invalidateCache();
1175 public function render() {
1177 $wgOut->setArticleBodyOnly(true);
1182 * Handle action=purge
1184 public function purge() {
1185 global $wgUser, $wgRequest, $wgOut;
1186 if( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
1187 if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
1192 $action = htmlspecialchars( $wgRequest->getRequestURL() );
1193 $button = wfMsgExt( 'confirm_purge_button', array('escapenoentities') );
1194 $form = "<form method=\"post\" action=\"$action\">\n" .
1195 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
1197 $top = wfMsgExt( 'confirm-purge-top', array('parse') );
1198 $bottom = wfMsgExt( 'confirm-purge-bottom', array('parse') );
1199 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
1200 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1201 $wgOut->addHTML( $top . $form . $bottom );
1206 * Perform the actions of a page purging
1208 public function doPurge() {
1210 // Invalidate the cache
1211 $this->mTitle
->invalidateCache();
1214 // Commit the transaction before the purge is sent
1215 $dbw = wfGetDB( DB_MASTER
);
1216 $dbw->immediateCommit();
1219 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
1220 $update->doUpdate();
1222 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1223 global $wgMessageCache;
1224 if( $this->getID() == 0 ) {
1227 $text = $this->getRawText();
1229 $wgMessageCache->replace( $this->mTitle
->getDBkey(), $text );
1234 * Insert a new empty page record for this article.
1235 * This *must* be followed up by creating a revision
1236 * and running $this->updateToLatest( $rev_id );
1237 * or else the record will be left in a funky state.
1238 * Best if all done inside a transaction.
1240 * @param $dbw Database
1241 * @return int The newly created page_id key, or false if the title already existed
1244 public function insertOn( $dbw ) {
1245 wfProfileIn( __METHOD__
);
1247 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
1248 $dbw->insert( 'page', array(
1249 'page_id' => $page_id,
1250 'page_namespace' => $this->mTitle
->getNamespace(),
1251 'page_title' => $this->mTitle
->getDBkey(),
1252 'page_counter' => 0,
1253 'page_restrictions' => '',
1254 'page_is_redirect' => 0, # Will set this shortly...
1256 'page_random' => wfRandom(),
1257 'page_touched' => $dbw->timestamp(),
1258 'page_latest' => 0, # Fill this in shortly...
1259 'page_len' => 0, # Fill this in shortly...
1260 ), __METHOD__
, 'IGNORE' );
1262 $affected = $dbw->affectedRows();
1264 $newid = $dbw->insertId();
1265 $this->mTitle
->resetArticleId( $newid );
1267 wfProfileOut( __METHOD__
);
1268 return $affected ?
$newid : false;
1272 * Update the page record to point to a newly saved revision.
1274 * @param $dbw Database object
1275 * @param $revision Revision: For ID number, and text used to set
1276 length and redirect status fields
1277 * @param $lastRevision Integer: if given, will not overwrite the page field
1278 * when different from the currently set value.
1279 * Giving 0 indicates the new page flag should be set
1281 * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
1282 * removing rows in redirect table.
1283 * @return bool true on success, false on failure
1286 public function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1287 wfProfileIn( __METHOD__
);
1289 $text = $revision->getText();
1290 $rt = Title
::newFromRedirect( $text );
1292 $conditions = array( 'page_id' => $this->getId() );
1293 if( !is_null( $lastRevision ) ) {
1294 # An extra check against threads stepping on each other
1295 $conditions['page_latest'] = $lastRevision;
1298 $dbw->update( 'page',
1300 'page_latest' => $revision->getId(),
1301 'page_touched' => $dbw->timestamp(),
1302 'page_is_new' => ($lastRevision === 0) ?
1 : 0,
1303 'page_is_redirect' => $rt !== NULL ?
1 : 0,
1304 'page_len' => strlen( $text ),
1309 $result = $dbw->affectedRows() != 0;
1311 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1314 wfProfileOut( __METHOD__
);
1319 * Add row to the redirect table if this is a redirect, remove otherwise.
1321 * @param $dbw Database
1322 * @param $redirectTitle a title object pointing to the redirect target,
1323 * or NULL if this is not a redirect
1324 * @param $lastRevIsRedirect If given, will optimize adding and
1325 * removing rows in redirect table.
1326 * @return bool true on success, false on failure
1329 public function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1330 // Always update redirects (target link might have changed)
1331 // Update/Insert if we don't know if the last revision was a redirect or not
1332 // Delete if changing from redirect to non-redirect
1333 $isRedirect = !is_null($redirectTitle);
1334 if($isRedirect ||
is_null($lastRevIsRedirect) ||
$lastRevIsRedirect !== $isRedirect) {
1335 wfProfileIn( __METHOD__
);
1337 // This title is a redirect, Add/Update row in the redirect table
1338 $set = array( /* SET */
1339 'rd_namespace' => $redirectTitle->getNamespace(),
1340 'rd_title' => $redirectTitle->getDBkey(),
1341 'rd_from' => $this->getId(),
1343 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1345 // This is not a redirect, remove row from redirect table
1346 $where = array( 'rd_from' => $this->getId() );
1347 $dbw->delete( 'redirect', $where, __METHOD__
);
1349 if( $this->getTitle()->getNamespace() == NS_FILE
) {
1350 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1352 wfProfileOut( __METHOD__
);
1353 return ( $dbw->affectedRows() != 0 );
1359 * If the given revision is newer than the currently set page_latest,
1360 * update the page record. Otherwise, do nothing.
1362 * @param $dbw Database object
1363 * @param $revision Revision object
1365 public function updateIfNewerOn( &$dbw, $revision ) {
1366 wfProfileIn( __METHOD__
);
1367 $row = $dbw->selectRow(
1368 array( 'revision', 'page' ),
1369 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1371 'page_id' => $this->getId(),
1372 'page_latest=rev_id' ),
1375 if( wfTimestamp(TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1376 wfProfileOut( __METHOD__
);
1379 $prev = $row->rev_id
;
1380 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1382 # No or missing previous revision; mark the page as new
1384 $lastRevIsRedirect = null;
1386 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1387 wfProfileOut( __METHOD__
);
1392 * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
1393 * @return string Complete article text, or null if error
1395 public function replaceSection( $section, $text, $summary = '', $edittime = NULL ) {
1396 wfProfileIn( __METHOD__
);
1397 if( strval( $section ) == '' ) {
1398 // Whole-page edit; let the whole text through
1400 if( is_null($edittime) ) {
1401 $rev = Revision
::newFromTitle( $this->mTitle
);
1403 $dbw = wfGetDB( DB_MASTER
);
1404 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1407 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1408 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1411 $oldtext = $rev->getText();
1413 if( $section == 'new' ) {
1414 # Inserting a new section
1415 $subject = $summary ?
wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n" : '';
1416 $text = strlen( trim( $oldtext ) ) > 0
1417 ?
"{$oldtext}\n\n{$subject}{$text}"
1418 : "{$subject}{$text}";
1420 # Replacing an existing section; roll out the big guns
1422 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1425 wfProfileOut( __METHOD__
);
1430 * @deprecated use Article::doEdit()
1432 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false, $bot=false ) {
1433 wfDeprecated( __METHOD__
);
1434 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1435 ( $isminor ? EDIT_MINOR
: 0 ) |
1436 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 ) |
1437 ( $bot ? EDIT_FORCE_BOT
: 0 );
1439 # If this is a comment, add the summary as headline
1440 if( $comment && $summary != "" ) {
1441 $text = wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n".$text;
1444 $this->doEdit( $text, $summary, $flags );
1446 $dbw = wfGetDB( DB_MASTER
);
1448 if(!$this->mTitle
->userIsWatching()) {
1454 if( $this->mTitle
->userIsWatching() ) {
1460 $this->doRedirect( $this->isRedirect( $text ) );
1464 * @deprecated use Article::doEdit()
1466 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1467 wfDeprecated( __METHOD__
);
1468 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1469 ( $minor ? EDIT_MINOR
: 0 ) |
1470 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1472 $status = $this->doEdit( $text, $summary, $flags );
1473 if( !$status->isOK() ) {
1477 $dbw = wfGetDB( DB_MASTER
);
1479 if(!$this->mTitle
->userIsWatching()) {
1485 if( $this->mTitle
->userIsWatching() ) {
1492 $extraQuery = ''; // Give extensions a chance to modify URL query on update
1493 wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
1495 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
1502 * Change an existing article or create a new article. Updates RC and all necessary caches,
1503 * optionally via the deferred update array.
1505 * $wgUser must be set before calling this function.
1507 * @param $text String: new text
1508 * @param $summary String: edit summary
1509 * @param $flags Integer bitfield:
1511 * Article is known or assumed to be non-existent, create a new one
1513 * Article is known or assumed to be pre-existing, update it
1515 * Mark this edit minor, if the user is allowed to do so
1517 * Do not log the change in recentchanges
1519 * Mark the edit a "bot" edit regardless of user rights
1520 * EDIT_DEFER_UPDATES
1521 * Defer some of the updates until the end of index.php
1523 * Fill in blank summaries with generated text where possible
1525 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1526 * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
1527 * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
1528 * edit-already-exists error will be returned. These two conditions are also possible with
1529 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1531 * @param $baseRevId the revision ID this edit was based off, if any
1532 * @param $user Optional user object, $wgUser will be used if not passed
1534 * @return Status object. Possible errors:
1535 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
1536 * edit-gone-missing: In update mode, but the article didn't exist
1537 * edit-conflict: In update mode, the article changed unexpectedly
1538 * edit-no-change: Warning that the text was the same as before
1539 * edit-already-exists: In creation mode, but the article already exists
1541 * Extensions may define additional errors.
1543 * $return->value will contain an associative array with members as follows:
1544 * new: Boolean indicating if the function attempted to create a new article
1545 * revision: The revision object for the inserted revision, or null
1547 * Compatibility note: this function previously returned a boolean value indicating success/failure
1549 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1550 global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
1552 # Low-level sanity check
1553 if( $this->mTitle
->getText() == '' ) {
1554 throw new MWException( 'Something is trying to edit an article with an empty title' );
1557 wfProfileIn( __METHOD__
);
1559 $user = is_null($user) ?
$wgUser : $user;
1560 $status = Status
::newGood( array() );
1562 # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
1563 $this->loadPageData();
1565 if( !($flags & EDIT_NEW
) && !($flags & EDIT_UPDATE
) ) {
1566 $aid = $this->mTitle
->getArticleID();
1568 $flags |
= EDIT_UPDATE
;
1574 if( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
1575 $flags & EDIT_MINOR
, null, null, &$flags, &$status ) ) )
1577 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1578 wfProfileOut( __METHOD__
);
1579 if( $status->isOK() ) {
1580 $status->fatal( 'edit-hook-aborted');
1585 # Silently ignore EDIT_MINOR if not allowed
1586 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed('minoredit');
1587 $bot = $flags & EDIT_FORCE_BOT
;
1589 $oldtext = $this->getRawText(); // current revision
1590 $oldsize = strlen( $oldtext );
1592 # Provide autosummaries if one is not provided and autosummaries are enabled.
1593 if( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1594 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1597 $editInfo = $this->prepareTextForEdit( $text );
1598 $text = $editInfo->pst
;
1599 $newsize = strlen( $text );
1601 $dbw = wfGetDB( DB_MASTER
);
1602 $now = wfTimestampNow();
1604 if( $flags & EDIT_UPDATE
) {
1605 # Update article, but only if changed.
1606 $status->value
['new'] = false;
1607 # Make sure the revision is either completely inserted or not inserted at all
1608 if( !$wgDBtransactions ) {
1609 $userAbort = ignore_user_abort( true );
1614 $changed = ( strcmp( $text, $oldtext ) != 0 );
1617 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1618 - (int)$this->isCountable( $oldtext );
1619 $this->mTotalAdjustment
= 0;
1621 if( !$this->mLatest
) {
1622 # Article gone missing
1623 wfDebug( __METHOD__
.": EDIT_UPDATE specified but article doesn't exist\n" );
1624 $status->fatal( 'edit-gone-missing' );
1625 wfProfileOut( __METHOD__
);
1629 $revision = new Revision( array(
1630 'page' => $this->getId(),
1631 'comment' => $summary,
1632 'minor_edit' => $isminor,
1634 'parent_id' => $this->mLatest
,
1635 'user' => $user->getId(),
1636 'user_text' => $user->getName(),
1640 $revisionId = $revision->insertOn( $dbw );
1644 # Note that we use $this->mLatest instead of fetching a value from the master DB
1645 # during the course of this function. This makes sure that EditPage can detect
1646 # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
1647 # before this function is called. A previous function used a separate query, this
1648 # creates a window where concurrent edits can cause an ignored edit conflict.
1649 $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest
);
1652 /* Belated edit conflict! Run away!! */
1653 $status->fatal( 'edit-conflict' );
1654 # Delete the invalid revision if the DB is not transactional
1655 if( !$wgDBtransactions ) {
1656 $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__
);
1661 global $wgUseRCPatrol;
1662 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, $baseRevId, $user) );
1663 # Update recentchanges
1664 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1665 # Mark as patrolled if the user can do so
1666 $patrolled = $wgUseRCPatrol && $this->mTitle
->userCan('autopatrol');
1667 # Add RC row to the DB
1668 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1669 $this->mLatest
, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1670 $revisionId, $patrolled
1672 # Log auto-patrolled edits
1674 PatrolLog
::record( $rc, true );
1677 $user->incEditCount();
1681 $status->warning( 'edit-no-change' );
1683 // Keep the same revision ID, but do some updates on it
1684 $revisionId = $this->getRevIdFetched();
1685 // Update page_touched, this is usually implicit in the page update
1686 // Other cache updates are done in onArticleEdit()
1687 $this->mTitle
->invalidateCache();
1690 if( !$wgDBtransactions ) {
1691 ignore_user_abort( $userAbort );
1693 // Now that ignore_user_abort is restored, we can respond to fatal errors
1694 if( !$status->isOK() ) {
1695 wfProfileOut( __METHOD__
);
1699 # Invalidate cache of this article and all pages using this article
1700 # as a template. Partly deferred.
1701 Article
::onArticleEdit( $this->mTitle
);
1702 # Update links tables, site stats, etc.
1703 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
1705 # Create new article
1706 $status->value
['new'] = true;
1708 # Set statistics members
1709 # We work out if it's countable after PST to avoid counter drift
1710 # when articles are created with {{subst:}}
1711 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
1712 $this->mTotalAdjustment
= 1;
1716 # Add the page record; stake our claim on this title!
1717 # This will return false if the article already exists
1718 $newid = $this->insertOn( $dbw );
1720 if( $newid === false ) {
1722 $status->fatal( 'edit-already-exists' );
1723 wfProfileOut( __METHOD__
);
1727 # Save the revision text...
1728 $revision = new Revision( array(
1730 'comment' => $summary,
1731 'minor_edit' => $isminor,
1733 'user' => $user->getId(),
1734 'user_text' => $user->getName(),
1736 $revisionId = $revision->insertOn( $dbw );
1738 $this->mTitle
->resetArticleID( $newid );
1740 # Update the page record with revision data
1741 $this->updateRevisionOn( $dbw, $revision, 0 );
1743 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $user) );
1744 # Update recentchanges
1745 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1746 global $wgUseRCPatrol, $wgUseNPPatrol;
1747 # Mark as patrolled if the user can do so
1748 $patrolled = ($wgUseRCPatrol ||
$wgUseNPPatrol) && $this->mTitle
->userCan('autopatrol');
1749 # Add RC row to the DB
1750 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
1751 '', strlen($text), $revisionId, $patrolled );
1752 # Log auto-patrolled edits
1754 PatrolLog
::record( $rc, true );
1757 $user->incEditCount();
1760 # Update links, etc.
1761 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
1764 Article
::onArticleCreate( $this->mTitle
);
1766 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
1767 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
1770 # Do updates right now unless deferral was requested
1771 if( !( $flags & EDIT_DEFER_UPDATES
) ) {
1775 // Return the new revision (or null) to the caller
1776 $status->value
['revision'] = $revision;
1778 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
1779 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId ) );
1781 wfProfileOut( __METHOD__
);
1786 * @deprecated wrapper for doRedirect
1788 public function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
1789 wfDeprecated( __METHOD__
);
1790 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1794 * Output a redirect back to the article.
1795 * This is typically used after an edit.
1797 * @param $noRedir Boolean: add redirect=no
1798 * @param $sectionAnchor String: section to redirect to, including "#"
1799 * @param $extraQuery String: extra query params
1801 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
1804 $query = 'redirect=no';
1806 $query .= "&$query";
1808 $query = $extraQuery;
1810 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
1814 * Mark this particular edit/page as patrolled
1816 public function markpatrolled() {
1817 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser;
1818 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1820 # If we haven't been given an rc_id value, we can't do anything
1821 $rcid = (int) $wgRequest->getVal('rcid');
1822 $rc = RecentChange
::newFromId($rcid);
1823 if( is_null($rc) ) {
1824 $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
1828 #It would be nice to see where the user had actually come from, but for now just guess
1829 $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ?
'Newpages' : 'Recentchanges';
1830 $return = SpecialPage
::getTitleFor( $returnto );
1832 $dbw = wfGetDB( DB_MASTER
);
1833 $errors = $rc->doMarkPatrolled();
1835 if( in_array(array('rcpatroldisabled'), $errors) ) {
1836 $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
1840 if( in_array(array('hookaborted'), $errors) ) {
1841 // The hook itself has handled any output
1845 if( in_array(array('markedaspatrollederror-noautopatrol'), $errors) ) {
1846 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
1847 $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' );
1848 $wgOut->returnToMain( false, $return );
1852 if( !empty($errors) ) {
1853 $wgOut->showPermissionsErrorPage( $errors );
1858 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
1859 $wgOut->addWikiMsg( 'markedaspatrolledtext' );
1860 $wgOut->returnToMain( false, $return );
1864 * User-interface handler for the "watch" action
1867 public function watch() {
1868 global $wgUser, $wgOut;
1869 if( $wgUser->isAnon() ) {
1870 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1873 if( wfReadOnly() ) {
1874 $wgOut->readOnlyPage();
1877 if( $this->doWatch() ) {
1878 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
1879 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1880 $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle
->getPrefixedText() );
1882 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1886 * Add this page to $wgUser's watchlist
1887 * @return bool true on successful watch operation
1889 public function doWatch() {
1891 if( $wgUser->isAnon() ) {
1894 if( wfRunHooks('WatchArticle', array(&$wgUser, &$this)) ) {
1895 $wgUser->addWatch( $this->mTitle
);
1896 return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
1902 * User interface handler for the "unwatch" action.
1904 public function unwatch() {
1905 global $wgUser, $wgOut;
1906 if( $wgUser->isAnon() ) {
1907 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1910 if( wfReadOnly() ) {
1911 $wgOut->readOnlyPage();
1914 if( $this->doUnwatch() ) {
1915 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
1916 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1917 $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle
->getPrefixedText() );
1919 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1923 * Stop watching a page
1924 * @return bool true on successful unwatch
1926 public function doUnwatch() {
1928 if( $wgUser->isAnon() ) {
1931 if( wfRunHooks('UnwatchArticle', array(&$wgUser, &$this)) ) {
1932 $wgUser->removeWatch( $this->mTitle
);
1933 return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
1939 * action=protect handler
1941 public function protect() {
1942 $form = new ProtectionForm( $this );
1947 * action=unprotect handler (alias)
1949 public function unprotect() {
1954 * Update the article's restriction field, and leave a log entry.
1956 * @param $limit Array: set of restriction keys
1957 * @param $reason String
1958 * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
1959 * @param $expiry Array: per restriction type expiration
1960 * @return bool true on success
1962 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
1963 global $wgUser, $wgRestrictionTypes, $wgContLang;
1965 $id = $this->mTitle
->getArticleID();
1967 wfDebug( "updateRestrictions failed: $id <= 0\n" );
1971 if ( wfReadOnly() ) {
1972 wfDebug( "updateRestrictions failed: read-only\n" );
1976 if ( !$this->mTitle
->userCan( 'protect' ) ) {
1977 wfDebug( "updateRestrictions failed: insufficient permissions\n" );
1985 // Take this opportunity to purge out expired restrictions
1986 Title
::purgeExpiredRestrictions();
1988 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
1989 # we expect a single selection, but the schema allows otherwise.
1991 $updated = Article
::flattenRestrictions( $limit );
1993 foreach( $wgRestrictionTypes as $action ) {
1994 if( isset( $expiry[$action] ) ) {
1995 # Get current restrictions on $action
1996 $aLimits = $this->mTitle
->getRestrictions( $action );
1997 $current[$action] = implode( '', $aLimits );
1998 # Are any actual restrictions being dealt with here?
1999 $aRChanged = count($aLimits) ||
!empty($limit[$action]);
2000 # If something changed, we need to log it. Checking $aRChanged
2001 # assures that "unprotecting" a page that is not protected does
2002 # not log just because the expiry was "changed".
2003 if( $aRChanged && $this->mTitle
->mRestrictionsExpiry
[$action] != $expiry[$action] ) {
2009 $current = Article
::flattenRestrictions( $current );
2011 $changed = ($changed ||
$current != $updated );
2012 $changed = $changed ||
($updated && $this->mTitle
->areRestrictionsCascading() != $cascade);
2013 $protect = ( $updated != '' );
2015 # If nothing's changed, do nothing
2017 if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
2019 $dbw = wfGetDB( DB_MASTER
);
2021 # Prepare a null revision to be added to the history
2022 $modified = $current != '' && $protect;
2024 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
2026 $comment_type = 'unprotectedarticle';
2028 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
2030 # Only restrictions with the 'protect' right can cascade...
2031 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
2032 $editrestriction = isset( $limit['edit'] ) ?
array( $limit['edit'] ) : $this->mTitle
->getRestrictions( 'edit' );
2033 # The schema allows multiple restrictions
2034 if(!in_array('protect', $editrestriction) && !in_array('sysop', $editrestriction))
2036 $cascade_description = '';
2038 $cascade_description = ' ['.wfMsgForContent('protect-summary-cascade').']';
2042 $comment .= ": $reason";
2044 $editComment = $comment;
2045 $encodedExpiry = array();
2046 $protect_description = '';
2047 foreach( $limit as $action => $restrictions ) {
2048 if ( !isset($expiry[$action]) )
2049 $expiry[$action] = 'infinite';
2051 $encodedExpiry[$action] = Block
::encodeExpiry($expiry[$action], $dbw );
2052 if( $restrictions != '' ) {
2053 $protect_description .= "[$action=$restrictions] (";
2054 if( $encodedExpiry[$action] != 'infinity' ) {
2055 $protect_description .= wfMsgForContent( 'protect-expiring',
2056 $wgContLang->timeanddate( $expiry[$action], false, false ) ,
2057 $wgContLang->date( $expiry[$action], false, false ) ,
2058 $wgContLang->time( $expiry[$action], false, false ) );
2060 $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
2062 $protect_description .= ') ';
2065 $protect_description = trim($protect_description);
2067 if( $protect_description && $protect )
2068 $editComment .= " ($protect_description)";
2070 $editComment .= "$cascade_description";
2071 # Update restrictions table
2072 foreach( $limit as $action => $restrictions ) {
2073 if($restrictions != '' ) {
2074 $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
2075 array( 'pr_page' => $id,
2076 'pr_type' => $action,
2077 'pr_level' => $restrictions,
2078 'pr_cascade' => ($cascade && $action == 'edit') ?
1 : 0,
2079 'pr_expiry' => $encodedExpiry[$action] ), __METHOD__
);
2081 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
2082 'pr_type' => $action ), __METHOD__
);
2086 # Insert a null revision
2087 $nullRevision = Revision
::newNullRevision( $dbw, $id, $editComment, true );
2088 $nullRevId = $nullRevision->insertOn( $dbw );
2090 $latest = $this->getLatest();
2091 # Update page record
2092 $dbw->update( 'page',
2094 'page_touched' => $dbw->timestamp(),
2095 'page_restrictions' => '',
2096 'page_latest' => $nullRevId
2097 ), array( /* WHERE */
2099 ), 'Article::protect'
2102 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $nullRevision, $latest, $wgUser) );
2103 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
2105 # Update the protection log
2106 $log = new LogPage( 'protect' );
2108 $params = array($protect_description,$cascade ?
'cascade' : '');
2109 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason), $params );
2111 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
2115 } # End "changed" check
2121 * Take an array of page restrictions and flatten it to a string
2122 * suitable for insertion into the page_restrictions field.
2123 * @param $limit Array
2126 protected static function flattenRestrictions( $limit ) {
2127 if( !is_array( $limit ) ) {
2128 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
2132 foreach( $limit as $action => $restrictions ) {
2133 if( $restrictions != '' ) {
2134 $bits[] = "$action=$restrictions";
2137 return implode( ':', $bits );
2141 * Auto-generates a deletion reason
2142 * @param &$hasHistory Boolean: whether the page has a history
2144 public function generateReason( &$hasHistory ) {
2146 $dbw = wfGetDB( DB_MASTER
);
2147 // Get the last revision
2148 $rev = Revision
::newFromTitle( $this->mTitle
);
2149 if( is_null( $rev ) )
2152 // Get the article's contents
2153 $contents = $rev->getText();
2155 // If the page is blank, use the text from the previous revision,
2156 // which can only be blank if there's a move/import/protect dummy revision involved
2157 if( $contents == '' ) {
2158 $prev = $rev->getPrevious();
2160 $contents = $prev->getText();
2165 // Find out if there was only one contributor
2166 // Only scan the last 20 revisions
2168 $res = $dbw->select( 'revision', 'rev_user_text',
2169 array( 'rev_page' => $this->getID() ), __METHOD__
,
2170 array( 'LIMIT' => $limit )
2172 if( $res === false )
2173 // This page has no revisions, which is very weird
2175 if( $res->numRows() > 1 )
2178 $hasHistory = false;
2179 $row = $dbw->fetchObject( $res );
2180 $onlyAuthor = $row->rev_user_text
;
2181 // Try to find a second contributor
2182 foreach( $res as $row ) {
2183 if( $row->rev_user_text
!= $onlyAuthor ) {
2184 $onlyAuthor = false;
2188 $dbw->freeResult( $res );
2190 // Generate the summary with a '$1' placeholder
2192 // The current revision is blank and the one before is also
2193 // blank. It's just not our lucky day
2194 $reason = wfMsgForContent( 'exbeforeblank', '$1' );
2197 $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
2199 $reason = wfMsgForContent( 'excontent', '$1' );
2202 if( $reason == '-' ) {
2203 // Allow these UI messages to be blanked out cleanly
2207 // Replace newlines with spaces to prevent uglyness
2208 $contents = preg_replace( "/[\n\r]/", ' ', $contents );
2209 // Calculate the maximum amount of chars to get
2210 // Max content length = max comment length - length of the comment (excl. $1) - '...'
2211 $maxLength = 255 - (strlen( $reason ) - 2) - 3;
2212 $contents = $wgContLang->truncate( $contents, $maxLength );
2213 // Remove possible unfinished links
2214 $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
2215 // Now replace the '$1' placeholder
2216 $reason = str_replace( '$1', $contents, $reason );
2222 * UI entry point for page deletion
2224 public function delete() {
2225 global $wgUser, $wgOut, $wgRequest;
2227 $confirm = $wgRequest->wasPosted() &&
2228 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
2230 $this->DeleteReasonList
= $wgRequest->getText( 'wpDeleteReasonList', 'other' );
2231 $this->DeleteReason
= $wgRequest->getText( 'wpReason' );
2233 $reason = $this->DeleteReasonList
;
2235 if( $reason != 'other' && $this->DeleteReason
!= '' ) {
2236 // Entry from drop down menu + additional comment
2237 $reason .= wfMsgForContent( 'colon-separator' ) . $this->DeleteReason
;
2238 } elseif( $reason == 'other' ) {
2239 $reason = $this->DeleteReason
;
2241 # Flag to hide all contents of the archived revisions
2242 $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' );
2244 # This code desperately needs to be totally rewritten
2246 # Read-only check...
2247 if( wfReadOnly() ) {
2248 $wgOut->readOnlyPage();
2253 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
2255 if( count( $permission_errors ) > 0 ) {
2256 $wgOut->showPermissionsErrorPage( $permission_errors );
2260 $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle
->getPrefixedText() ) );
2262 # Better double-check that it hasn't been deleted yet!
2263 $dbw = wfGetDB( DB_MASTER
);
2264 $conds = $this->mTitle
->pageCond();
2265 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
2266 if( $latest === false ) {
2267 $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) );
2268 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2269 LogEventsList
::showLogExtract( $wgOut, 'delete', $this->mTitle
->getPrefixedText() );
2273 # Hack for big sites
2274 $bigHistory = $this->isBigDeletion();
2275 if( $bigHistory && !$this->mTitle
->userCan( 'bigdelete' ) ) {
2276 global $wgLang, $wgDeleteRevisionsLimit;
2277 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2278 array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2283 $this->doDelete( $reason, $suppress );
2284 if( $wgRequest->getCheck( 'wpWatch' ) ) {
2286 } elseif( $this->mTitle
->userIsWatching() ) {
2292 // Generate deletion reason
2293 $hasHistory = false;
2294 if( !$reason ) $reason = $this->generateReason($hasHistory);
2296 // If the page has a history, insert a warning
2297 if( $hasHistory && !$confirm ) {
2298 $skin = $wgUser->getSkin();
2299 $wgOut->addHTML( '<strong>' . wfMsgExt( 'historywarning', array( 'parseinline' ) ) . ' ' . $skin->historyLink() . '</strong>' );
2301 global $wgLang, $wgDeleteRevisionsLimit;
2302 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2303 array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2307 return $this->confirmDelete( $reason );
2311 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
2313 public function isBigDeletion() {
2314 global $wgDeleteRevisionsLimit;
2315 if( $wgDeleteRevisionsLimit ) {
2316 $revCount = $this->estimateRevisionCount();
2317 return $revCount > $wgDeleteRevisionsLimit;
2323 * @return int approximate revision count
2325 public function estimateRevisionCount() {
2326 $dbr = wfGetDB( DB_SLAVE
);
2327 // For an exact count...
2328 //return $dbr->selectField( 'revision', 'COUNT(*)',
2329 // array( 'rev_page' => $this->getId() ), __METHOD__ );
2330 return $dbr->estimateRowCount( 'revision', '*',
2331 array( 'rev_page' => $this->getId() ), __METHOD__
);
2335 * Get the last N authors
2336 * @param $num Integer: number of revisions to get
2337 * @param $revLatest String: the latest rev_id, selected from the master (optional)
2338 * @return array Array of authors, duplicates not removed
2340 public function getLastNAuthors( $num, $revLatest = 0 ) {
2341 wfProfileIn( __METHOD__
);
2342 // First try the slave
2343 // If that doesn't have the latest revision, try the master
2345 $db = wfGetDB( DB_SLAVE
);
2347 $res = $db->select( array( 'page', 'revision' ),
2348 array( 'rev_id', 'rev_user_text' ),
2350 'page_namespace' => $this->mTitle
->getNamespace(),
2351 'page_title' => $this->mTitle
->getDBkey(),
2352 'rev_page = page_id'
2353 ), __METHOD__
, $this->getSelectOptions( array(
2354 'ORDER BY' => 'rev_timestamp DESC',
2359 wfProfileOut( __METHOD__
);
2362 $row = $db->fetchObject( $res );
2363 if( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
2364 $db = wfGetDB( DB_MASTER
);
2369 } while ( $continue );
2371 $authors = array( $row->rev_user_text
);
2372 while ( $row = $db->fetchObject( $res ) ) {
2373 $authors[] = $row->rev_user_text
;
2375 wfProfileOut( __METHOD__
);
2380 * Output deletion confirmation dialog
2381 * @param $reason String: prefilled reason
2383 public function confirmDelete( $reason ) {
2384 global $wgOut, $wgUser;
2386 wfDebug( "Article::confirmDelete\n" );
2388 $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->mTitle
) ) );
2389 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2390 $wgOut->addWikiMsg( 'confirmdeletetext' );
2392 if( $wgUser->isAllowed( 'suppressrevision' ) ) {
2393 $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\">
2395 <td class='mw-input'>" .
2396 Xml
::checkLabel( wfMsg( 'revdelete-suppress' ),
2397 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
2403 $checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching();
2405 $form = Xml
::openElement( 'form', array( 'method' => 'post',
2406 'action' => $this->mTitle
->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
2407 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
2408 Xml
::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) .
2409 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
2410 "<tr id=\"wpDeleteReasonListRow\">
2411 <td class='mw-label'>" .
2412 Xml
::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
2414 <td class='mw-input'>" .
2415 Xml
::listDropDown( 'wpDeleteReasonList',
2416 wfMsgForContent( 'deletereason-dropdown' ),
2417 wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
2420 <tr id=\"wpDeleteReasonRow\">
2421 <td class='mw-label'>" .
2422 Xml
::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
2424 <td class='mw-input'>" .
2425 Xml
::input( 'wpReason', 60, $reason, array( 'type' => 'text', 'maxlength' => '255',
2426 'tabindex' => '2', 'id' => 'wpReason' ) ) .
2431 <td class='mw-input'>" .
2432 Xml
::checkLabel( wfMsg( 'watchthis' ),
2433 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
2439 <td class='mw-submit'>" .
2440 Xml
::submitButton( wfMsg( 'deletepage' ),
2441 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
2444 Xml
::closeElement( 'table' ) .
2445 Xml
::closeElement( 'fieldset' ) .
2446 Xml
::hidden( 'wpEditToken', $wgUser->editToken() ) .
2447 Xml
::closeElement( 'form' );
2449 if( $wgUser->isAllowed( 'editinterface' ) ) {
2450 $skin = $wgUser->getSkin();
2451 $link = $skin->makeLink ( 'MediaWiki:Deletereason-dropdown', wfMsgHtml( 'delete-edit-reasonlist' ) );
2452 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
2455 $wgOut->addHTML( $form );
2456 LogEventsList
::showLogExtract( $wgOut, 'delete', $this->mTitle
->getPrefixedText() );
2460 * Perform a deletion and output success or failure messages
2462 public function doDelete( $reason, $suppress = false ) {
2463 global $wgOut, $wgUser;
2464 $id = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2467 if( wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason, &$error)) ) {
2468 if( $this->doDeleteArticle( $reason, $suppress, $id ) ) {
2469 $deleted = $this->mTitle
->getPrefixedText();
2471 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2472 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2474 $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
2476 $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink );
2477 $wgOut->returnToMain( false );
2478 wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason, $id));
2480 if( $error == '' ) {
2481 $wgOut->showFatalError( wfMsgExt( 'cannotdelete', array( 'parse' ) ) );
2482 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2483 LogEventsList
::showLogExtract( $wgOut, 'delete', $this->mTitle
->getPrefixedText() );
2485 $wgOut->showFatalError( $error );
2492 * Back-end article deletion
2493 * Deletes the article with database consistency, writes logs, purges caches
2496 public function doDeleteArticle( $reason, $suppress = false, $id = 0 ) {
2497 global $wgUseSquid, $wgDeferredUpdateList;
2498 global $wgUseTrackbacks;
2500 wfDebug( __METHOD__
."\n" );
2502 $dbw = wfGetDB( DB_MASTER
);
2503 $ns = $this->mTitle
->getNamespace();
2504 $t = $this->mTitle
->getDBkey();
2505 $id = $id ?
$id : $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2507 if( $t == '' ||
$id == 0 ) {
2511 $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getRawText() ), -1 );
2512 array_push( $wgDeferredUpdateList, $u );
2514 // Bitfields to further suppress the content
2517 // This should be 15...
2518 $bitfield |
= Revision
::DELETED_TEXT
;
2519 $bitfield |
= Revision
::DELETED_COMMENT
;
2520 $bitfield |
= Revision
::DELETED_USER
;
2521 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2523 $bitfield = 'rev_deleted';
2527 // For now, shunt the revision data into the archive table.
2528 // Text is *not* removed from the text table; bulk storage
2529 // is left intact to avoid breaking block-compression or
2530 // immutable storage schemes.
2532 // For backwards compatibility, note that some older archive
2533 // table entries will have ar_text and ar_flags fields still.
2535 // In the future, we may keep revisions and mark them with
2536 // the rev_deleted field, which is reserved for this purpose.
2537 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2539 'ar_namespace' => 'page_namespace',
2540 'ar_title' => 'page_title',
2541 'ar_comment' => 'rev_comment',
2542 'ar_user' => 'rev_user',
2543 'ar_user_text' => 'rev_user_text',
2544 'ar_timestamp' => 'rev_timestamp',
2545 'ar_minor_edit' => 'rev_minor_edit',
2546 'ar_rev_id' => 'rev_id',
2547 'ar_text_id' => 'rev_text_id',
2548 'ar_text' => '\'\'', // Be explicit to appease
2549 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2550 'ar_len' => 'rev_len',
2551 'ar_page_id' => 'page_id',
2552 'ar_deleted' => $bitfield
2555 'page_id = rev_page'
2559 # Delete restrictions for it
2560 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2562 # Now that it's safely backed up, delete it
2563 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2564 $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
2570 # Fix category table counts
2572 $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__
);
2573 foreach( $res as $row ) {
2574 $cats []= $row->cl_to
;
2576 $this->updateCategoryCounts( array(), $cats );
2578 # If using cascading deletes, we can skip some explicit deletes
2579 if( !$dbw->cascadingDeletes() ) {
2580 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2582 if($wgUseTrackbacks)
2583 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2585 # Delete outgoing links
2586 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2587 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2588 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2589 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2590 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2591 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2592 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2595 # If using cleanup triggers, we can skip some manual deletes
2596 if( !$dbw->cleanupTriggers() ) {
2597 # Clean up recentchanges entries...
2598 $dbw->delete( 'recentchanges',
2599 array( 'rc_type != '.RC_LOG
,
2600 'rc_namespace' => $this->mTitle
->getNamespace(),
2601 'rc_title' => $this->mTitle
->getDBKey() ),
2603 $dbw->delete( 'recentchanges',
2604 array( 'rc_type != '.RC_LOG
, 'rc_cur_id' => $id ),
2609 Article
::onArticleDelete( $this->mTitle
);
2611 # Clear the cached article id so the interface doesn't act like we exist
2612 $this->mTitle
->resetArticleID( 0 );
2614 # Log the deletion, if the page was suppressed, log it at Oversight instead
2615 $logtype = $suppress ?
'suppress' : 'delete';
2616 $log = new LogPage( $logtype );
2618 # Make sure logging got through
2619 $log->addEntry( 'delete', $this->mTitle
, $reason, array() );
2627 * Roll back the most recent consecutive set of edits to a page
2628 * from the same user; fails if there are no eligible edits to
2629 * roll back to, e.g. user is the sole contributor. This function
2630 * performs permissions checks on $wgUser, then calls commitRollback()
2631 * to do the dirty work
2633 * @param $fromP String: Name of the user whose edits to rollback.
2634 * @param $summary String: Custom summary. Set to default summary if empty.
2635 * @param $token String: Rollback token.
2636 * @param $bot Boolean: If true, mark all reverted edits as bot.
2638 * @param $resultDetails Array: contains result-specific array of additional values
2639 * 'alreadyrolled' : 'current' (rev)
2640 * success : 'summary' (str), 'current' (rev), 'target' (rev)
2642 * @return array of errors, each error formatted as
2643 * array(messagekey, param1, param2, ...).
2644 * On success, the array is empty. This array can also be passed to
2645 * OutputPage::showPermissionsErrorPage().
2647 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) {
2649 $resultDetails = null;
2652 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser );
2653 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $wgUser );
2654 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
2656 if( !$wgUser->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) )
2657 $errors[] = array( 'sessionfailure' );
2659 if( $wgUser->pingLimiter( 'rollback' ) ||
$wgUser->pingLimiter() ) {
2660 $errors[] = array( 'actionthrottledtext' );
2662 # If there were errors, bail out now
2663 if( !empty( $errors ) )
2666 return $this->commitRollback($fromP, $summary, $bot, $resultDetails);
2670 * Backend implementation of doRollback(), please refer there for parameter
2671 * and return value documentation
2673 * NOTE: This function does NOT check ANY permissions, it just commits the
2674 * rollback to the DB Therefore, you should only call this function direct-
2675 * ly if you want to use custom permissions checks. If you don't, use
2676 * doRollback() instead.
2678 public function commitRollback($fromP, $summary, $bot, &$resultDetails) {
2679 global $wgUseRCPatrol, $wgUser, $wgLang;
2680 $dbw = wfGetDB( DB_MASTER
);
2682 if( wfReadOnly() ) {
2683 return array( array( 'readonlytext' ) );
2686 # Get the last editor
2687 $current = Revision
::newFromTitle( $this->mTitle
);
2688 if( is_null( $current ) ) {
2689 # Something wrong... no page?
2690 return array(array('notanarticle'));
2693 $from = str_replace( '_', ' ', $fromP );
2694 if( $from != $current->getUserText() ) {
2695 $resultDetails = array( 'current' => $current );
2696 return array(array('alreadyrolled',
2697 htmlspecialchars($this->mTitle
->getPrefixedText()),
2698 htmlspecialchars($fromP),
2699 htmlspecialchars($current->getUserText())
2703 # Get the last edit not by this guy
2704 $user = intval( $current->getUser() );
2705 $user_text = $dbw->addQuotes( $current->getUserText() );
2706 $s = $dbw->selectRow( 'revision',
2707 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
2708 array( 'rev_page' => $current->getPage(),
2709 "rev_user != {$user} OR rev_user_text != {$user_text}"
2711 array( 'USE INDEX' => 'page_timestamp',
2712 'ORDER BY' => 'rev_timestamp DESC' )
2714 if( $s === false ) {
2715 # No one else ever edited this page
2716 return array(array('cantrollback'));
2717 } else if( $s->rev_deleted
& REVISION
::DELETED_TEXT ||
$s->rev_deleted
& REVISION
::DELETED_USER
) {
2718 # Only admins can see this text
2719 return array(array('notvisiblerev'));
2723 if( $bot && $wgUser->isAllowed('markbotedits') ) {
2724 # Mark all reverted edits as bot
2727 if( $wgUseRCPatrol ) {
2728 # Mark all reverted edits as patrolled
2729 $set['rc_patrolled'] = 1;
2733 $dbw->update( 'recentchanges', $set,
2735 'rc_cur_id' => $current->getPage(),
2736 'rc_user_text' => $current->getUserText(),
2737 "rc_timestamp > '{$s->rev_timestamp}'",
2742 # Generate the edit summary if necessary
2743 $target = Revision
::newFromId( $s->rev_id
);
2744 if( empty( $summary ) ){
2745 $summary = wfMsgForContent( 'revertpage' );
2748 # Allow the custom summary to use the same args as the default message
2750 $target->getUserText(), $from, $s->rev_id
,
2751 $wgLang->timeanddate(wfTimestamp(TS_MW
, $s->rev_timestamp
), true),
2752 $current->getId(), $wgLang->timeanddate($current->getTimestamp())
2754 $summary = wfMsgReplaceArgs( $summary, $args );
2757 $flags = EDIT_UPDATE
;
2759 if( $wgUser->isAllowed('minoredit') )
2760 $flags |
= EDIT_MINOR
;
2762 if( $bot && ($wgUser->isAllowed('markbotedits') ||
$wgUser->isAllowed('bot')) )
2763 $flags |
= EDIT_FORCE_BOT
;
2764 # Actually store the edit
2765 $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
2766 if( !empty( $status->value
['revision'] ) ) {
2767 $revId = $status->value
['revision']->getId();
2772 wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target, $current ) );
2774 $resultDetails = array(
2775 'summary' => $summary,
2776 'current' => $current,
2777 'target' => $target,
2784 * User interface for rollback operations
2786 public function rollback() {
2787 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
2790 $result = $this->doRollback(
2791 $wgRequest->getVal( 'from' ),
2792 $wgRequest->getText( 'summary' ),
2793 $wgRequest->getVal( 'token' ),
2794 $wgRequest->getBool( 'bot' ),
2798 if( in_array( array( 'actionthrottledtext' ), $result ) ) {
2799 $wgOut->rateLimited();
2802 if( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' ||
$result[0][0] == 'cantrollback' ) ) {
2803 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
2804 $errArray = $result[0];
2805 $errMsg = array_shift( $errArray );
2806 $wgOut->addWikiMsgArray( $errMsg, $errArray );
2807 if( isset( $details['current'] ) ){
2808 $current = $details['current'];
2809 if( $current->getComment() != '' ) {
2810 $wgOut->addWikiMsgArray( 'editcomment', array(
2811 $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) );
2816 # Display permissions errors before read-only message -- there's no
2817 # point in misleading the user into thinking the inability to rollback
2818 # is only temporary.
2819 if( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) {
2820 # array_diff is completely broken for arrays of arrays, sigh. Re-
2821 # move any 'readonlytext' error manually.
2823 foreach( $result as $error ) {
2824 if( $error != array( 'readonlytext' ) ) {
2828 $wgOut->showPermissionsErrorPage( $out );
2831 if( $result == array( array( 'readonlytext' ) ) ) {
2832 $wgOut->readOnlyPage();
2836 $current = $details['current'];
2837 $target = $details['target'];
2838 $newId = $details['newid'];
2839 $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) );
2840 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2841 $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() )
2842 . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() );
2843 $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() )
2844 . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() );
2845 $wgOut->addHTML( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) );
2846 $wgOut->returnToMain( false, $this->mTitle
);
2848 if( !$wgRequest->getBool( 'hidediff', false ) && !$wgUser->getBoolOption( 'norollbackdiff', false ) ) {
2849 $de = new DifferenceEngine( $this->mTitle
, $current->getId(), $newId, false, true );
2850 $de->showDiff( '', '' );
2856 * Do standard deferred updates after page view
2858 public function viewUpdates() {
2859 global $wgDeferredUpdateList, $wgDisableCounters, $wgUser;
2860 # Don't update page view counters on views from bot users (bug 14044)
2861 if( !$wgDisableCounters && !$wgUser->isAllowed('bot') && $this->getID() ) {
2862 Article
::incViewCount( $this->getID() );
2863 $u = new SiteStatsUpdate( 1, 0, 0 );
2864 array_push( $wgDeferredUpdateList, $u );
2866 # Update newtalk / watchlist notification status
2867 $wgUser->clearNotification( $this->mTitle
);
2871 * Prepare text which is about to be saved.
2872 * Returns a stdclass with source, pst and output members
2874 public function prepareTextForEdit( $text, $revid=null ) {
2875 if( $this->mPreparedEdit
&& $this->mPreparedEdit
->newText
== $text && $this->mPreparedEdit
->revid
== $revid) {
2877 return $this->mPreparedEdit
;
2880 $edit = (object)array();
2881 $edit->revid
= $revid;
2882 $edit->newText
= $text;
2883 $edit->pst
= $this->preSaveTransform( $text );
2884 $options = new ParserOptions
;
2885 $options->setTidy( true );
2886 $options->enableLimitReport();
2887 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $options, true, true, $revid );
2888 $edit->oldText
= $this->getContent();
2889 $this->mPreparedEdit
= $edit;
2894 * Do standard deferred updates after page edit.
2895 * Update links tables, site stats, search index and message cache.
2896 * Purges pages that include this page if the text was changed here.
2897 * Every 100th edit, prune the recent changes table.
2900 * @param $text New text of the article
2901 * @param $summary Edit summary
2902 * @param $minoredit Minor edit
2903 * @param $timestamp_of_pagechange Timestamp associated with the page change
2904 * @param $newid rev_id value of the new revision
2905 * @param $changed Whether or not the content actually changed
2907 public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
2908 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser, $wgEnableParserCache;
2910 wfProfileIn( __METHOD__
);
2913 # Be careful not to double-PST: $text is usually already PST-ed once
2914 if( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2915 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2916 $editInfo = $this->prepareTextForEdit( $text, $newid );
2918 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2919 $editInfo = $this->mPreparedEdit
;
2922 # Save it to the parser cache
2923 if( $wgEnableParserCache ) {
2924 $popts = new ParserOptions
;
2925 $popts->setTidy( true );
2926 $popts->enableLimitReport();
2927 $parserCache = ParserCache
::singleton();
2928 $parserCache->save( $editInfo->output
, $this, $popts );
2931 # Update the links tables
2932 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
);
2935 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $changed ) );
2937 if( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2938 if( 0 == mt_rand( 0, 99 ) ) {
2939 // Flush old entries from the `recentchanges` table; we do this on
2940 // random requests so as to avoid an increase in writes for no good reason
2942 $dbw = wfGetDB( DB_MASTER
);
2943 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2944 $recentchanges = $dbw->tableName( 'recentchanges' );
2945 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
2946 $dbw->query( $sql );
2950 $id = $this->getID();
2951 $title = $this->mTitle
->getPrefixedDBkey();
2952 $shortTitle = $this->mTitle
->getDBkey();
2955 wfProfileOut( __METHOD__
);
2959 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
2960 array_push( $wgDeferredUpdateList, $u );
2961 $u = new SearchUpdate( $id, $title, $text );
2962 array_push( $wgDeferredUpdateList, $u );
2964 # If this is another user's talk page, update newtalk
2965 # Don't do this if $changed = false otherwise some idiot can null-edit a
2966 # load of user talk pages and piss people off, nor if it's a minor edit
2967 # by a properly-flagged bot.
2968 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
2969 && !( $minoredit && $wgUser->isAllowed( 'nominornewtalk' ) ) ) {
2970 if( wfRunHooks('ArticleEditUpdateNewTalk', array( &$this ) ) ) {
2971 $other = User
::newFromName( $shortTitle, false );
2973 wfDebug( __METHOD__
.": invalid username\n" );
2974 } elseif( User
::isIP( $shortTitle ) ) {
2975 // An anonymous user
2976 $other->setNewtalk( true );
2977 } elseif( $other->isLoggedIn() ) {
2978 $other->setNewtalk( true );
2980 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2985 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2986 $wgMessageCache->replace( $shortTitle, $text );
2989 wfProfileOut( __METHOD__
);
2993 * Perform article updates on a special page creation.
2995 * @param $rev Revision object
2997 * @todo This is a shitty interface function. Kill it and replace the
2998 * other shitty functions like editUpdates and such so it's not needed
3001 public function createUpdates( $rev ) {
3002 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
3003 $this->mTotalAdjustment
= 1;
3004 $this->editUpdates( $rev->getText(), $rev->getComment(),
3005 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
3009 * Generate the navigation links when browsing through an article revisions
3010 * It shows the information as:
3011 * Revision as of \<date\>; view current revision
3012 * \<- Previous version | Next Version -\>
3014 * @param $oldid String: revision ID of this article revision
3016 public function setOldSubtitle( $oldid = 0 ) {
3017 global $wgLang, $wgOut, $wgUser, $wgRequest;
3019 if( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
3023 $revision = Revision
::newFromId( $oldid );
3025 $current = ( $oldid == $this->mLatest
);
3026 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
3027 $sk = $wgUser->getSkin();
3029 ?
wfMsgHtml( 'currentrevisionlink' )
3030 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'currentrevisionlink' ) );
3032 ?
wfMsgHtml( 'diff' )
3033 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'diff' ), 'diff=cur&oldid='.$oldid );
3034 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
3036 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
3037 : wfMsgHtml( 'previousrevision' );
3039 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'diff' ), 'diff=prev&oldid='.$oldid )
3040 : wfMsgHtml( 'diff' );
3041 $nextlink = $current
3042 ?
wfMsgHtml( 'nextrevision' )
3043 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'nextrevision' ), 'direction=next&oldid='.$oldid );
3044 $nextdiff = $current
3045 ?
wfMsgHtml( 'diff' )
3046 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml( 'diff' ), 'diff=next&oldid='.$oldid );
3049 if( $wgUser->isAllowed( 'deleterevision' ) ) {
3050 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
3051 if( $revision->isCurrent() ) {
3052 // We don't handle top deleted edits too well
3053 $cdel = wfMsgHtml( 'rev-delundel' );
3054 } else if( !$revision->userCan( Revision
::DELETED_RESTRICTED
) ) {
3055 // If revision was hidden from sysops
3056 $cdel = wfMsgHtml( 'rev-delundel' );
3058 $cdel = $sk->makeKnownLinkObj( $revdel,
3059 wfMsgHtml('rev-delundel'),
3060 'target=' . urlencode( $this->mTitle
->getPrefixedDbkey() ) .
3061 '&oldid=' . urlencode( $oldid ) );
3062 // Bolden oversighted content
3063 if( $revision->isDeleted( Revision
::DELETED_RESTRICTED
) )
3064 $cdel = "<strong>$cdel</strong>";
3066 $cdel = "(<small>$cdel</small>) ";
3068 $unhide = $wgRequest->getInt('unhide') == 1 && $wgUser->matchEditToken( $wgRequest->getVal('token'), $oldid );
3069 # Show user links if allowed to see them. If hidden, then show them only if requested...
3070 $userlinks = $sk->revUserTools( $revision, !$unhide );
3072 $m = wfMsg( 'revision-info-current' );
3073 $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
3074 ?
'revision-info-current'
3077 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" . wfMsgExt( $infomsg, array( 'parseinline', 'replaceafter' ),
3078 $td, $userlinks, $revision->getID() ) . "</div>\n" .
3080 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgExt( 'revision-nav', array( 'escapenoentities', 'parsemag', 'replaceafter' ),
3081 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
3082 $wgOut->setSubtitle( $r );
3086 * This function is called right before saving the wikitext,
3087 * so we can do things like signatures and links-in-context.
3089 * @param $text String
3091 public function preSaveTransform( $text ) {
3092 global $wgParser, $wgUser;
3093 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
3096 /* Caching functions */
3099 * checkLastModified returns true if it has taken care of all
3100 * output to the client that is necessary for this request.
3101 * (that is, it has sent a cached version of the page)
3103 protected function tryFileCache() {
3104 static $called = false;
3106 wfDebug( "Article::tryFileCache(): called twice!?\n" );
3110 if( $this->isFileCacheable() ) {
3111 $cache = new HTMLFileCache( $this->mTitle
);
3112 if( $cache->isFileCacheGood( $this->mTouched
) ) {
3113 wfDebug( "Article::tryFileCache(): about to load file\n" );
3114 $cache->loadFromFileCache();
3117 wfDebug( "Article::tryFileCache(): starting buffer\n" );
3118 ob_start( array(&$cache, 'saveToFileCache' ) );
3121 wfDebug( "Article::tryFileCache(): not cacheable\n" );
3127 * Check if the page can be cached
3130 public function isFileCacheable() {
3132 if( HTMLFileCache
::useFileCache() ) {
3133 $cacheable = $this->getID() && !$this->mRedirectedFrom
;
3134 // Extension may have reason to disable file caching on some pages.
3136 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
3143 * Loads page_touched and returns a value indicating if it should be used
3146 public function checkTouched() {
3147 if( !$this->mDataLoaded
) {
3148 $this->loadPageData();
3150 return !$this->mIsRedirect
;
3154 * Get the page_touched field
3156 public function getTouched() {
3157 # Ensure that page data has been loaded
3158 if( !$this->mDataLoaded
) {
3159 $this->loadPageData();
3161 return $this->mTouched
;
3165 * Get the page_latest field
3167 public function getLatest() {
3168 if( !$this->mDataLoaded
) {
3169 $this->loadPageData();
3171 return (int)$this->mLatest
;
3175 * Edit an article without doing all that other stuff
3176 * The article must already exist; link tables etc
3177 * are not updated, caches are not flushed.
3179 * @param $text String: text submitted
3180 * @param $comment String: comment submitted
3181 * @param $minor Boolean: whereas it's a minor modification
3183 public function quickEdit( $text, $comment = '', $minor = 0 ) {
3184 wfProfileIn( __METHOD__
);
3186 $dbw = wfGetDB( DB_MASTER
);
3187 $revision = new Revision( array(
3188 'page' => $this->getId(),
3190 'comment' => $comment,
3191 'minor_edit' => $minor ?
1 : 0,
3193 $revision->insertOn( $dbw );
3194 $this->updateRevisionOn( $dbw, $revision );
3196 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $wgUser) );
3198 wfProfileOut( __METHOD__
);
3202 * Used to increment the view counter
3204 * @param $id Integer: article id
3206 public static function incViewCount( $id ) {
3207 $id = intval( $id );
3208 global $wgHitcounterUpdateFreq, $wgDBtype;
3210 $dbw = wfGetDB( DB_MASTER
);
3211 $pageTable = $dbw->tableName( 'page' );
3212 $hitcounterTable = $dbw->tableName( 'hitcounter' );
3213 $acchitsTable = $dbw->tableName( 'acchits' );
3215 if( $wgHitcounterUpdateFreq <= 1 ) {
3216 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
3220 # Not important enough to warrant an error page in case of failure
3221 $oldignore = $dbw->ignoreErrors( true );
3223 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
3225 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
3226 if( (rand() %
$checkfreq != 0) or ($dbw->lastErrno() != 0) ){
3227 # Most of the time (or on SQL errors), skip row count check
3228 $dbw->ignoreErrors( $oldignore );
3232 $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
3233 $row = $dbw->fetchObject( $res );
3234 $rown = intval( $row->n
);
3235 if( $rown >= $wgHitcounterUpdateFreq ){
3236 wfProfileIn( 'Article::incViewCount-collect' );
3237 $old_user_abort = ignore_user_abort( true );
3239 if($wgDBtype == 'mysql')
3240 $dbw->query("LOCK TABLES $hitcounterTable WRITE");
3241 $tabletype = $wgDBtype == 'mysql' ?
"ENGINE=HEAP " : '';
3242 $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
3243 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
3245 $dbw->query("DELETE FROM $hitcounterTable");
3246 if($wgDBtype == 'mysql') {
3247 $dbw->query('UNLOCK TABLES');
3248 $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
3249 'WHERE page_id = hc_id');
3252 $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ".
3253 "FROM $acchitsTable WHERE page_id = hc_id");
3255 $dbw->query("DROP TABLE $acchitsTable");
3257 ignore_user_abort( $old_user_abort );
3258 wfProfileOut( 'Article::incViewCount-collect' );
3260 $dbw->ignoreErrors( $oldignore );
3264 * The onArticle*() functions are supposed to be a kind of hooks
3265 * which should be called whenever any of the specified actions
3268 * This is a good place to put code to clear caches, for instance.
3270 * This is called on page move and undelete, as well as edit
3272 * @param $title a title object
3275 public static function onArticleCreate( $title ) {
3276 # Update existence markers on article/talk tabs...
3277 if( $title->isTalkPage() ) {
3278 $other = $title->getSubjectPage();
3280 $other = $title->getTalkPage();
3282 $other->invalidateCache();
3283 $other->purgeSquid();
3285 $title->touchLinks();
3286 $title->purgeSquid();
3287 $title->deleteTitleProtection();
3290 public static function onArticleDelete( $title ) {
3291 global $wgMessageCache;
3292 # Update existence markers on article/talk tabs...
3293 if( $title->isTalkPage() ) {
3294 $other = $title->getSubjectPage();
3296 $other = $title->getTalkPage();
3298 $other->invalidateCache();
3299 $other->purgeSquid();
3301 $title->touchLinks();
3302 $title->purgeSquid();
3305 HTMLFileCache
::clearFileCache( $title );
3308 if( $title->getNamespace() == NS_MEDIAWIKI
) {
3309 $wgMessageCache->replace( $title->getDBkey(), false );
3312 if( $title->getNamespace() == NS_FILE
) {
3313 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
3314 $update->doUpdate();
3317 if( $title->getNamespace() == NS_USER_TALK
) {
3318 $user = User
::newFromName( $title->getText(), false );
3319 $user->setNewtalk( false );
3322 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
3326 * Purge caches on page update etc
3328 public static function onArticleEdit( $title, $flags = '' ) {
3329 global $wgDeferredUpdateList;
3331 // Invalidate caches of articles which include this page
3332 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
3334 // Invalidate the caches of all pages which redirect here
3335 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
3337 # Purge squid for this page only
3338 $title->purgeSquid();
3340 # Clear file cache for this page only
3341 HTMLFileCache
::clearFileCache( $title );
3347 * Overriden by ImagePage class, only present here to avoid a fatal error
3348 * Called for ?action=revert
3350 public function revert() {
3352 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3356 * Info about this page
3357 * Called for ?action=info when $wgAllowPageInfo is on.
3359 public function info() {
3360 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
3362 if( !$wgAllowPageInfo ) {
3363 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3367 $page = $this->mTitle
->getSubjectPage();
3369 $wgOut->setPagetitle( $page->getPrefixedText() );
3370 $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) );
3371 $wgOut->setSubtitle( wfMsgHtml( 'infosubtitle' ) );
3373 if( !$this->mTitle
->exists() ) {
3374 $wgOut->addHTML( '<div class="noarticletext">' );
3375 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3376 // This doesn't quite make sense; the user is asking for
3377 // information about the _page_, not the message... -- RC
3378 $wgOut->addHTML( htmlspecialchars( wfMsgWeirdKey( $this->mTitle
->getText() ) ) );
3380 $msg = $wgUser->isLoggedIn()
3382 : 'noarticletextanon';
3383 $wgOut->addHTML( wfMsgExt( $msg, 'parse' ) );
3385 $wgOut->addHTML( '</div>' );
3387 $dbr = wfGetDB( DB_SLAVE
);
3389 'wl_title' => $page->getDBkey(),
3390 'wl_namespace' => $page->getNamespace() );
3391 $numwatchers = $dbr->selectField(
3396 $this->getSelectOptions() );
3398 $pageInfo = $this->pageCountInfo( $page );
3399 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
3401 $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
3402 $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
3404 $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
3406 $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
3408 $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
3410 $wgOut->addHTML( '</ul>' );
3415 * Return the total number of edits and number of unique editors
3416 * on a given page. If page does not exist, returns false.
3418 * @param $title Title object
3421 protected function pageCountInfo( $title ) {
3422 $id = $title->getArticleId();
3426 $dbr = wfGetDB( DB_SLAVE
);
3427 $rev_clause = array( 'rev_page' => $id );
3428 $edits = $dbr->selectField(
3433 $this->getSelectOptions()
3435 $authors = $dbr->selectField(
3437 'COUNT(DISTINCT rev_user_text)',
3440 $this->getSelectOptions()
3442 return array( 'edits' => $edits, 'authors' => $authors );
3446 * Return a list of templates used by this article.
3447 * Uses the templatelinks table
3449 * @return Array of Title objects
3451 public function getUsedTemplates() {
3453 $id = $this->mTitle
->getArticleID();
3457 $dbr = wfGetDB( DB_SLAVE
);
3458 $res = $dbr->select( array( 'templatelinks' ),
3459 array( 'tl_namespace', 'tl_title' ),
3460 array( 'tl_from' => $id ),
3462 if( $res !== false ) {
3463 foreach( $res as $row ) {
3464 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
3467 $dbr->freeResult( $res );
3472 * Returns a list of hidden categories this page is a member of.
3473 * Uses the page_props and categorylinks tables.
3475 * @return Array of Title objects
3477 public function getHiddenCategories() {
3479 $id = $this->mTitle
->getArticleID();
3483 $dbr = wfGetDB( DB_SLAVE
);
3484 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3486 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3487 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to'),
3489 if( $res !== false ) {
3490 foreach( $res as $row ) {
3491 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3494 $dbr->freeResult( $res );
3499 * Return an applicable autosummary if one exists for the given edit.
3500 * @param $oldtext String: the previous text of the page.
3501 * @param $newtext String: The submitted text of the page.
3502 * @param $flags Bitmask: a bitmask of flags submitted for the edit.
3503 * @return string An appropriate autosummary, or an empty string.
3505 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3506 # Decide what kind of autosummary is needed.
3508 # Redirect autosummaries
3509 $ot = Title
::newFromRedirect( $oldtext );
3510 $rt = Title
::newFromRedirect( $newtext );
3511 if( is_object( $rt ) && ( !is_object( $ot ) ||
!$rt->equals( $ot ) ||
$ot->getFragment() != $rt->getFragment() ) ) {
3512 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
3515 # New page autosummaries
3516 if( $flags & EDIT_NEW
&& strlen( $newtext ) ) {
3517 # If they're making a new article, give its text, truncated, in the summary.
3519 $truncatedtext = $wgContLang->truncate(
3520 str_replace("\n", ' ', $newtext),
3521 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
3522 return wfMsgForContent( 'autosumm-new', $truncatedtext );
3525 # Blanking autosummaries
3526 if( $oldtext != '' && $newtext == '' ) {
3527 return wfMsgForContent( 'autosumm-blank' );
3528 } elseif( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500) {
3529 # Removing more than 90% of the article
3531 $truncatedtext = $wgContLang->truncate(
3533 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
3534 return wfMsgForContent( 'autosumm-replace', $truncatedtext );
3537 # If we reach this point, there's no applicable autosummary for our case, so our
3538 # autosummary is empty.
3543 * Add the primary page-view wikitext to the output buffer
3544 * Saves the text into the parser cache if possible.
3545 * Updates templatelinks if it is out of date.
3547 * @param $text String
3548 * @param $cache Boolean
3550 public function outputWikiText( $text, $cache = true ) {
3551 global $wgParser, $wgUser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
3553 $popts = $wgOut->parserOptions();
3554 $popts->setTidy(true);
3555 $popts->enableLimitReport();
3556 $parserOutput = $wgParser->parse( $text, $this->mTitle
,
3557 $popts, true, true, $this->getRevIdFetched() );
3558 $popts->setTidy(false);
3559 $popts->enableLimitReport( false );
3560 if( $wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1 ) {
3561 $parserCache = ParserCache
::singleton();
3562 $parserCache->save( $parserOutput, $this, $popts );
3564 // Make sure file cache is not used on uncacheable content.
3565 // Output that has magic words in it can still use the parser cache
3566 // (if enabled), though it will generally expire sooner.
3567 if( $parserOutput->getCacheTime() == -1 ||
$parserOutput->containsOldMagic() ) {
3568 $wgUseFileCache = false;
3571 if( $this->isCurrent() && !wfReadOnly() && $this->mTitle
->areRestrictionsCascading() ) {
3572 // templatelinks table may have become out of sync,
3573 // especially if using variable-based transclusions.
3574 // For paranoia, check if things have changed and if
3575 // so apply updates to the database. This will ensure
3576 // that cascaded protections apply as soon as the changes
3579 # Get templates from templatelinks
3580 $id = $this->mTitle
->getArticleID();
3582 $tlTemplates = array();
3584 $dbr = wfGetDB( DB_SLAVE
);
3585 $res = $dbr->select( array( 'templatelinks' ),
3586 array( 'tl_namespace', 'tl_title' ),
3587 array( 'tl_from' => $id ),
3591 foreach( $res as $row ) {
3592 $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
3595 # Get templates from parser output.
3596 $poTemplates = array();
3597 foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
3598 foreach ( $templates as $dbk => $id ) {
3599 $key = $row->tl_namespace
. ':'. $row->tl_title
;
3600 $poTemplates["$ns:$dbk"] = true;
3605 # Note that we simulate array_diff_key in PHP <5.0.x
3606 $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
3608 if( count( $templates_diff ) > 0 ) {
3609 # Whee, link updates time.
3610 $u = new LinksUpdate( $this->mTitle
, $parserOutput, false );
3615 $wgOut->addParserOutput( $parserOutput );
3619 * Update all the appropriate counts in the category table, given that
3620 * we've added the categories $added and deleted the categories $deleted.
3622 * @param $added array The names of categories that were added
3623 * @param $deleted array The names of categories that were deleted
3626 public function updateCategoryCounts( $added, $deleted ) {
3627 $ns = $this->mTitle
->getNamespace();
3628 $dbw = wfGetDB( DB_MASTER
);
3630 # First make sure the rows exist. If one of the "deleted" ones didn't
3631 # exist, we might legitimately not create it, but it's simpler to just
3632 # create it and then give it a negative value, since the value is bogus
3635 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
3636 $insertCats = array_merge( $added, $deleted );
3637 if( !$insertCats ) {
3638 # Okay, nothing to do
3641 $insertRows = array();
3642 foreach( $insertCats as $cat ) {
3643 $insertRows[] = array( 'cat_title' => $cat );
3645 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
3647 $addFields = array( 'cat_pages = cat_pages + 1' );
3648 $removeFields = array( 'cat_pages = cat_pages - 1' );
3649 if( $ns == NS_CATEGORY
) {
3650 $addFields[] = 'cat_subcats = cat_subcats + 1';
3651 $removeFields[] = 'cat_subcats = cat_subcats - 1';
3652 } elseif( $ns == NS_FILE
) {
3653 $addFields[] = 'cat_files = cat_files + 1';
3654 $removeFields[] = 'cat_files = cat_files - 1';
3661 array( 'cat_title' => $added ),
3669 array( 'cat_title' => $deleted ),