7 * Class representing a MediaWiki article and history.
9 * See design.txt for an overview.
10 * Note: edit user interface and cache support functions have been
11 * moved to separate EditPage and HTMLFileCache classes.
20 var $mContentLoaded; //!<
23 var $mGoodAdjustment; //!<
27 var $mRedirectedFrom; //!<
28 var $mRedirectUrl; //!<
29 var $mRevIdFetched; //!<
33 var $mTotalAdjustment; //!<
40 * Constructor and clear the article
41 * @param $title Reference to a Title object.
42 * @param $oldId Integer revision ID, null to fetch from request, zero for current
44 function __construct( &$title, $oldId = null ) {
45 $this->mTitle
=& $title;
46 $this->mOldId
= $oldId;
51 * Tell the page view functions that this view was redirected
52 * from another page on the wiki.
53 * @param $from Title object.
55 function setRedirectedFrom( $from ) {
56 $this->mRedirectedFrom
= $from;
60 * @return mixed false, Title of in-wiki target, or string with URL
62 function followRedirect() {
63 $text = $this->getContent();
64 $rt = Title
::newFromRedirect( $text );
66 # process if title object is valid and not special:userlogout
68 if( $rt->getInterwiki() != '' ) {
69 if( $rt->isLocal() ) {
70 // Offsite wikis need an HTTP redirect.
72 // This can be hard to reverse and may produce loops,
73 // so they may be disabled in the site configuration.
75 $source = $this->mTitle
->getFullURL( 'redirect=no' );
76 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
79 if( $rt->getNamespace() == NS_SPECIAL
) {
80 // Gotta handle redirects to special pages differently:
81 // Fill the HTTP response "Location" header and ignore
82 // the rest of the page we're on.
84 // This can be hard to reverse, so they may be disabled.
86 if( $rt->isSpecial( 'Userlogout' ) ) {
89 return $rt->getFullURL();
96 // No or invalid redirect
101 * get the title object of the article
103 function getTitle() {
104 return $this->mTitle
;
112 $this->mDataLoaded
= false;
113 $this->mContentLoaded
= false;
115 $this->mCurID
= $this->mUser
= $this->mCounter
= -1; # Not loaded
116 $this->mRedirectedFrom
= null; # Title object if set
118 $this->mTimestamp
= $this->mComment
= '';
119 $this->mGoodAdjustment
= $this->mTotalAdjustment
= 0;
120 $this->mTouched
= '19700101000000';
121 $this->mForUpdate
= false;
122 $this->mIsRedirect
= false;
123 $this->mRevIdFetched
= 0;
124 $this->mRedirectUrl
= false;
125 $this->mLatest
= false;
129 * Note that getContent/loadContent do not follow redirects anymore.
130 * If you need to fetch redirectable content easily, try
131 * the shortcut in Article::followContent()
133 * @todo There are still side-effects in this!
134 * In general, you should use the Revision class, not Article,
135 * to fetch text for purposes other than page views.
137 * @return Return the text of this revision
139 function getContent() {
140 global $wgUser, $wgOut;
142 wfProfileIn( __METHOD__
);
144 if ( 0 == $this->getID() ) {
145 wfProfileOut( __METHOD__
);
146 $wgOut->setRobotpolicy( 'noindex,nofollow' );
148 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
149 $ret = wfMsgWeirdKey ( $this->mTitle
->getText() ) ;
151 $ret = wfMsg( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon' );
154 return "<div class='noarticletext'>$ret</div>";
156 $this->loadContent();
157 wfProfileOut( __METHOD__
);
158 return $this->mContent
;
163 * This function returns the text of a section, specified by a number ($section).
164 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
165 * the first section before any such heading (section 0).
167 * If a section contains subsections, these are also returned.
169 * @param $text String: text to look in
170 * @param $section Integer: section number
171 * @return string text of the requested section
174 function getSection($text,$section) {
176 return $wgParser->getSection( $text, $section );
180 * @return int The oldid of the article that is to be shown, 0 for the
183 function getOldID() {
184 if ( is_null( $this->mOldId
) ) {
185 $this->mOldId
= $this->getOldIDFromRequest();
187 return $this->mOldId
;
191 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
193 * @return int The old id for the request
195 function getOldIDFromRequest() {
197 $this->mRedirectUrl
= false;
198 $oldid = $wgRequest->getVal( 'oldid' );
199 if ( isset( $oldid ) ) {
200 $oldid = intval( $oldid );
201 if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
202 $nextid = $this->mTitle
->getNextRevisionID( $oldid );
206 $this->mRedirectUrl
= $this->mTitle
->getFullURL( 'redirect=no' );
208 } elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
209 $previd = $this->mTitle
->getPreviousRevisionID( $oldid );
227 * Load the revision (including text) into this object
229 function loadContent() {
230 if ( $this->mContentLoaded
) return;
233 $oldid = $this->getOldID();
235 # Pre-fill content with error message so that if something
236 # fails we'll have something telling us what we intended.
237 $this->mOldId
= $oldid;
238 $this->fetchContent( $oldid );
243 * Fetch a page record with the given conditions
244 * @param Database $dbr
245 * @param array $conditions
248 function pageData( $dbr, $conditions ) {
261 wfRunHooks( 'ArticlePageDataBefore', array( &$this , &$fields ) ) ;
262 $row = $dbr->selectRow( 'page',
265 'Article::pageData' );
266 wfRunHooks( 'ArticlePageDataAfter', array( &$this , &$row ) ) ;
271 * @param Database $dbr
272 * @param Title $title
274 function pageDataFromTitle( $dbr, $title ) {
275 return $this->pageData( $dbr, array(
276 'page_namespace' => $title->getNamespace(),
277 'page_title' => $title->getDBkey() ) );
281 * @param Database $dbr
284 function pageDataFromId( $dbr, $id ) {
285 return $this->pageData( $dbr, array( 'page_id' => $id ) );
289 * Set the general counter, title etc data loaded from
292 * @param object $data
295 function loadPageData( $data = 'fromdb' ) {
296 if ( $data === 'fromdb' ) {
297 $dbr = $this->getDB();
298 $data = $this->pageDataFromId( $dbr, $this->getId() );
301 $lc =& LinkCache
::singleton();
303 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
);
305 $this->mTitle
->mArticleID
= $data->page_id
;
307 # Old-fashioned restrictions.
308 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
310 $this->mCounter
= $data->page_counter
;
311 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
312 $this->mIsRedirect
= $data->page_is_redirect
;
313 $this->mLatest
= $data->page_latest
;
315 if ( is_object( $this->mTitle
) ) {
316 $lc->addBadLinkObj( $this->mTitle
);
318 $this->mTitle
->mArticleID
= 0;
321 $this->mDataLoaded
= true;
325 * Get text of an article from database
326 * Does *NOT* follow redirects.
327 * @param int $oldid 0 for whatever the latest revision is
330 function fetchContent( $oldid = 0 ) {
331 if ( $this->mContentLoaded
) {
332 return $this->mContent
;
335 $dbr = $this->getDB();
337 # Pre-fill content with error message so that if something
338 # fails we'll have something telling us what we intended.
339 $t = $this->mTitle
->getPrefixedText();
341 $t .= ',oldid='.$oldid;
343 $this->mContent
= wfMsg( 'missingarticle', $t ) ;
346 $revision = Revision
::newFromId( $oldid );
347 if( is_null( $revision ) ) {
348 wfDebug( __METHOD__
." failed to retrieve specified revision, id $oldid\n" );
351 $data = $this->pageDataFromId( $dbr, $revision->getPage() );
353 wfDebug( __METHOD__
." failed to get page data linked to revision id $oldid\n" );
356 $this->mTitle
= Title
::makeTitle( $data->page_namespace
, $data->page_title
);
357 $this->loadPageData( $data );
359 if( !$this->mDataLoaded
) {
360 $data = $this->pageDataFromTitle( $dbr, $this->mTitle
);
362 wfDebug( __METHOD__
." failed to find page data for title " . $this->mTitle
->getPrefixedText() . "\n" );
365 $this->loadPageData( $data );
367 $revision = Revision
::newFromId( $this->mLatest
);
368 if( is_null( $revision ) ) {
369 wfDebug( __METHOD__
." failed to retrieve current page, rev_id {$data->page_latest}\n" );
374 // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
375 // We should instead work with the Revision object when we need it...
376 $this->mContent
= $revision->userCan( Revision
::DELETED_TEXT
) ?
$revision->getRawText() : "";
377 //$this->mContent = $revision->getText();
379 $this->mUser
= $revision->getUser();
380 $this->mUserText
= $revision->getUserText();
381 $this->mComment
= $revision->getComment();
382 $this->mTimestamp
= wfTimestamp( TS_MW
, $revision->getTimestamp() );
384 $this->mRevIdFetched
= $revision->getID();
385 $this->mContentLoaded
= true;
386 $this->mRevision
=& $revision;
388 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) ) ;
390 return $this->mContent
;
394 * Read/write accessor to select FOR UPDATE
396 * @param $x Mixed: FIXME
398 function forUpdate( $x = NULL ) {
399 return wfSetVar( $this->mForUpdate
, $x );
403 * Get the database which should be used for reads
408 return wfGetDB( DB_MASTER
);
412 * Get options for all SELECT statements
414 * @param $options Array: an optional options array which'll be appended to
416 * @return Array: options
418 function getSelectOptions( $options = '' ) {
419 if ( $this->mForUpdate
) {
420 if ( is_array( $options ) ) {
421 $options[] = 'FOR UPDATE';
423 $options = 'FOR UPDATE';
430 * @return int Page ID
433 if( $this->mTitle
) {
434 return $this->mTitle
->getArticleID();
441 * @return bool Whether or not the page exists in the database
444 return $this->getId() != 0;
448 * @return int The view count for the page
450 function getCount() {
451 if ( -1 == $this->mCounter
) {
452 $id = $this->getID();
456 $dbr = wfGetDB( DB_SLAVE
);
457 $this->mCounter
= $dbr->selectField( 'page', 'page_counter', array( 'page_id' => $id ),
458 'Article::getCount', $this->getSelectOptions() );
461 return $this->mCounter
;
465 * Determine whether a page would be suitable for being counted as an
466 * article in the site_stats table based on the title & its content
468 * @param $text String: text to analyze
471 function isCountable( $text ) {
472 global $wgUseCommaCount;
474 $token = $wgUseCommaCount ?
',' : '[[';
476 $this->mTitle
->isContentPage()
477 && !$this->isRedirect( $text )
478 && in_string( $token, $text );
482 * Tests if the article text represents a redirect
484 * @param $text String: FIXME
487 function isRedirect( $text = false ) {
488 if ( $text === false ) {
489 $this->loadContent();
490 $titleObj = Title
::newFromRedirect( $this->fetchContent() );
492 $titleObj = Title
::newFromRedirect( $text );
494 return $titleObj !== NULL;
498 * Returns true if the currently-referenced revision is the current edit
499 * to this page (and it exists).
502 function isCurrent() {
503 # If no oldid, this is the current version.
504 if ($this->getOldID() == 0)
507 return $this->exists() &&
508 isset( $this->mRevision
) &&
509 $this->mRevision
->isCurrent();
513 * Loads everything except the text
514 * This isn't necessary for all uses, so it's only done if needed.
517 function loadLastEdit() {
518 if ( -1 != $this->mUser
)
521 # New or non-existent articles have no user information
522 $id = $this->getID();
523 if ( 0 == $id ) return;
525 $this->mLastRevision
= Revision
::loadFromPageId( $this->getDB(), $id );
526 if( !is_null( $this->mLastRevision
) ) {
527 $this->mUser
= $this->mLastRevision
->getUser();
528 $this->mUserText
= $this->mLastRevision
->getUserText();
529 $this->mTimestamp
= $this->mLastRevision
->getTimestamp();
530 $this->mComment
= $this->mLastRevision
->getComment();
531 $this->mMinorEdit
= $this->mLastRevision
->isMinor();
532 $this->mRevIdFetched
= $this->mLastRevision
->getID();
536 function getTimestamp() {
537 // Check if the field has been filled by ParserCache::get()
538 if ( !$this->mTimestamp
) {
539 $this->loadLastEdit();
541 return wfTimestamp(TS_MW
, $this->mTimestamp
);
545 $this->loadLastEdit();
549 function getUserText() {
550 $this->loadLastEdit();
551 return $this->mUserText
;
554 function getComment() {
555 $this->loadLastEdit();
556 return $this->mComment
;
559 function getMinorEdit() {
560 $this->loadLastEdit();
561 return $this->mMinorEdit
;
564 function getRevIdFetched() {
565 $this->loadLastEdit();
566 return $this->mRevIdFetched
;
570 * @todo Document, fixme $offset never used.
571 * @param $limit Integer: default 0.
572 * @param $offset Integer: default 0.
574 function getContributors($limit = 0, $offset = 0) {
575 # XXX: this is expensive; cache this info somewhere.
578 $dbr = wfGetDB( DB_SLAVE
);
579 $revTable = $dbr->tableName( 'revision' );
580 $userTable = $dbr->tableName( 'user' );
581 $user = $this->getUser();
582 $pageId = $this->getId();
584 $sql = "SELECT rev_user, rev_user_text, user_real_name, MAX(rev_timestamp) as timestamp
585 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
586 WHERE rev_page = $pageId
587 AND rev_user != $user
588 GROUP BY rev_user, rev_user_text, user_real_name
589 ORDER BY timestamp DESC";
591 if ($limit > 0) { $sql .= ' LIMIT '.$limit; }
592 $sql .= ' '. $this->getSelectOptions();
594 $res = $dbr->query($sql, __METHOD__
);
596 while ( $line = $dbr->fetchObject( $res ) ) {
597 $contribs[] = array($line->rev_user
, $line->rev_user_text
, $line->user_real_name
);
600 $dbr->freeResult($res);
605 * This is the default action of the script: just view the page of
609 global $wgUser, $wgOut, $wgRequest, $wgContLang;
610 global $wgEnableParserCache, $wgStylePath, $wgUseRCPatrol, $wgParser;
611 global $wgUseTrackbacks, $wgNamespaceRobotPolicies, $wgArticleRobotPolicies;
612 $sk = $wgUser->getSkin();
614 wfProfileIn( __METHOD__
);
616 $parserCache =& ParserCache
::singleton();
617 $ns = $this->mTitle
->getNamespace(); # shortcut
619 # Get variables from query string
620 $oldid = $this->getOldID();
622 # getOldID may want us to redirect somewhere else
623 if ( $this->mRedirectUrl
) {
624 $wgOut->redirect( $this->mRedirectUrl
);
625 wfProfileOut( __METHOD__
);
629 $diff = $wgRequest->getVal( 'diff' );
630 $rcid = $wgRequest->getVal( 'rcid' );
631 $rdfrom = $wgRequest->getVal( 'rdfrom' );
632 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
634 $wgOut->setArticleFlag( true );
636 # Discourage indexing of printable versions, but encourage following
637 if( $wgOut->isPrintable() ) {
638 $policy = 'noindex,follow';
639 } elseif ( isset( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) ) {
640 $policy = $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()];
641 } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
642 # Honour customised robot policies for this namespace
643 $policy = $wgNamespaceRobotPolicies[$ns];
645 # Default to encourage indexing and following links
646 $policy = 'index,follow';
648 $wgOut->setRobotPolicy( $policy );
650 # If we got diff and oldid in the query, we want to see a
651 # diff page instead of the article.
653 if ( !is_null( $diff ) ) {
654 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
656 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid );
657 // DifferenceEngine directly fetched the revision:
658 $this->mRevIdFetched
= $de->mNewid
;
659 $de->showDiffPage( $diffOnly );
661 // Needed to get the page's current revision
662 $this->loadPageData();
663 if( $diff == 0 ||
$diff == $this->mLatest
) {
664 # Run view updates for current revision only
665 $this->viewUpdates();
667 wfProfileOut( __METHOD__
);
671 if ( empty( $oldid ) && $this->checkTouched() ) {
672 $wgOut->setETag($parserCache->getETag($this, $wgUser));
674 if( $wgOut->checkLastModified( $this->mTouched
) ){
675 wfProfileOut( __METHOD__
);
677 } else if ( $this->tryFileCache() ) {
678 # tell wgOut that output is taken care of
680 $this->viewUpdates();
681 wfProfileOut( __METHOD__
);
686 # Should the parser cache be used?
687 $pcache = $wgEnableParserCache &&
688 intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 &&
691 wfDebug( 'Article::view using parser cache: ' . ($pcache ?
'yes' : 'no' ) . "\n" );
692 if ( $wgUser->getOption( 'stubthreshold' ) ) {
693 wfIncrStats( 'pcache_miss_stub' );
696 $wasRedirected = false;
697 if ( isset( $this->mRedirectedFrom
) ) {
698 // This is an internally redirected page view.
699 // We'll need a backlink to the source page for navigation.
700 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
701 $sk = $wgUser->getSkin();
702 $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom
, '', 'redirect=no' );
703 $s = wfMsg( 'redirectedfrom', $redir );
704 $wgOut->setSubtitle( $s );
706 // Set the fragment if one was specified in the redirect
707 if ( strval( $this->mTitle
->getFragment() ) != '' ) {
708 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
709 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
711 $wasRedirected = true;
713 } elseif ( !empty( $rdfrom ) ) {
714 // This is an externally redirected view, from some other wiki.
715 // If it was reported from a trusted site, supply a backlink.
716 global $wgRedirectSources;
717 if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
718 $sk = $wgUser->getSkin();
719 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
720 $s = wfMsg( 'redirectedfrom', $redir );
721 $wgOut->setSubtitle( $s );
722 $wasRedirected = true;
727 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$pcache ) );
729 if ( $wgOut->tryParserCache( $this, $wgUser ) ) {
730 // Ensure that UI elements requiring revision ID have
731 // the correct version information.
732 $wgOut->setRevisionId( $this->mLatest
);
736 if ( !$outputDone ) {
737 $text = $this->getContent();
738 if ( $text === false ) {
739 # Failed to load, replace text with error message
740 $t = $this->mTitle
->getPrefixedText();
742 $t .= ',oldid='.$oldid;
743 $text = wfMsg( 'missingarticle', $t );
745 $text = wfMsg( 'noarticletext', $t );
749 # Another whitelist check in case oldid is altering the title
750 if ( !$this->mTitle
->userCanRead() ) {
751 $wgOut->loginToUse();
756 # We're looking at an old revision
758 if ( !empty( $oldid ) ) {
759 $wgOut->setRobotpolicy( 'noindex,nofollow' );
760 if( is_null( $this->mRevision
) ) {
761 // FIXME: This would be a nice place to load the 'no such page' text.
763 $this->setOldSubtitle( isset($this->mOldId
) ?
$this->mOldId
: $oldid );
764 if( $this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
765 if( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
) ) {
766 $wgOut->addWikiText( wfMsg( 'rev-deleted-text-permission' ) );
767 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
770 $wgOut->addWikiText( wfMsg( 'rev-deleted-text-view' ) );
771 // and we are allowed to see...
779 $wgOut->setRevisionId( $this->getRevIdFetched() );
780 // Wrap site/user css/js in pre and don't parse. User pages need
781 // to be subpages, site pages just need to end in ".css" or ".js".
783 // @todo: use $this->mTitle->isCssJsSubpage() when php is fixed/
784 // a workaround is found.
786 ($ns == NS_USER
and preg_match('#/\w+\.(css|js)$#',$this->mTitle
->getDBkey(),$matches))
787 or ($ns == NS_MEDIAWIKI
and preg_match('/.(css|js)$/', $this->mTitle
->getDBkey(), $matches))
789 $wgOut->addWikiText( wfMsg('clearyourcache'));
791 "<pre class=\"mw-code mw-{$matches[1]}\" dir=\"ltr\">"
792 .htmlspecialchars($this->mContent
)."\n</pre>"
794 } else if ( $rt = Title
::newFromRedirect( $text ) ) {
796 $imageDir = $wgContLang->isRTL() ?
'rtl' : 'ltr';
797 $imageUrl = $wgStylePath.'/common/images/redirect' . $imageDir . '.png';
798 # Don't overwrite the subtitle if this was an old revision
799 if( !$wasRedirected && $this->isCurrent() ) {
800 $wgOut->setSubtitle( wfMsgHtml( 'redirectpagesub' ) );
802 $link = $sk->makeLinkObj( $rt, $rt->getFullText() );
804 $wgOut->addHTML( '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
805 '<span class="redirectText">'.$link.'</span>' );
807 $parseout = $wgParser->parse($text, $this->mTitle
, ParserOptions
::newFromUser($wgUser));
808 $wgOut->addParserOutputNoText( $parseout );
809 } else if ( $pcache ) {
810 # Display content and save to parser cache
811 $this->outputWikiText( $text );
813 # Display content, don't attempt to save to parser cache
814 # Don't show section-edit links on old revisions... this way lies madness.
815 if( !$this->isCurrent() ) {
816 $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
818 # Display content and don't save to parser cache
819 # With timing hack -- TS 2006-07-26
821 $this->outputWikiText( $text, false );
826 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
827 $this->mTitle
->getPrefixedDBkey()));
830 if( !$this->isCurrent() ) {
831 $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
836 /* title may have been set from the cache */
837 $t = $wgOut->getPageTitle();
839 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
842 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
843 if( $ns == NS_USER_TALK
&&
844 User
::isIP( $this->mTitle
->getText() ) ) {
845 $wgOut->addWikiText( wfMsg('anontalkpagetext') );
848 # If we have been passed an &rcid= parameter, we want to give the user a
849 # chance to mark this new article as patrolled.
850 if ( $wgUseRCPatrol && !is_null( $rcid ) && $rcid != 0 && $wgUser->isAllowed( 'patrol' ) ) {
852 "<div class='patrollink'>" .
853 wfMsgHtml( 'markaspatrolledlink',
854 $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml('markaspatrolledtext'),
855 "action=markpatrolled&rcid=$rcid" )
862 if ($wgUseTrackbacks)
863 $this->addTrackbacks();
865 $this->viewUpdates();
866 wfProfileOut( __METHOD__
);
869 function addTrackbacks() {
870 global $wgOut, $wgUser;
872 $dbr = wfGetDB(DB_SLAVE
);
874 /* FROM */ 'trackbacks',
875 /* SELECT */ array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
876 /* WHERE */ array('tb_page' => $this->getID())
879 if (!$dbr->numrows($tbs))
883 while ($o = $dbr->fetchObject($tbs)) {
885 if ($wgUser->isAllowed( 'trackback' )) {
886 $delurl = $this->mTitle
->getFullURL("action=deletetrackback&tbid="
887 . $o->tb_id
. "&token=" . urlencode( $wgUser->editToken() ) );
888 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
890 $tbtext .= wfMsg(strlen($o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
897 $wgOut->addWikitext(wfMsg('trackbackbox', $tbtext));
900 function deletetrackback() {
901 global $wgUser, $wgRequest, $wgOut, $wgTitle;
903 if (!$wgUser->matchEditToken($wgRequest->getVal('token'))) {
904 $wgOut->addWikitext(wfMsg('sessionfailure'));
908 if ((!$wgUser->isAllowed('delete'))) {
909 $wgOut->permissionRequired( 'delete' );
914 $wgOut->readOnlyPage();
918 $db = wfGetDB(DB_MASTER
);
919 $db->delete('trackbacks', array('tb_id' => $wgRequest->getInt('tbid')));
920 $wgTitle->invalidateCache();
921 $wgOut->addWikiText(wfMsg('trackbackdeleteok'));
927 $wgOut->setArticleBodyOnly(true);
932 * Handle action=purge
935 global $wgUser, $wgRequest, $wgOut;
937 if ( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
938 if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
942 $msg = $wgOut->parse( wfMsg( 'confirm_purge' ) );
943 $action = $this->mTitle
->escapeLocalURL( 'action=purge' );
944 $button = htmlspecialchars( wfMsg( 'confirm_purge_button' ) );
945 $msg = str_replace( '$1',
946 "<form method=\"post\" action=\"$action\">\n" .
947 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
950 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
951 $wgOut->setRobotpolicy( 'noindex,nofollow' );
952 $wgOut->addHTML( $msg );
957 * Perform the actions of a page purging
961 // Invalidate the cache
962 $this->mTitle
->invalidateCache();
965 // Commit the transaction before the purge is sent
966 $dbw = wfGetDB( DB_MASTER
);
967 $dbw->immediateCommit();
970 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
977 * Insert a new empty page record for this article.
978 * This *must* be followed up by creating a revision
979 * and running $this->updateToLatest( $rev_id );
980 * or else the record will be left in a funky state.
981 * Best if all done inside a transaction.
983 * @param Database $dbw
984 * @return int The newly created page_id key
987 function insertOn( $dbw ) {
988 wfProfileIn( __METHOD__
);
990 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
991 $dbw->insert( 'page', array(
992 'page_id' => $page_id,
993 'page_namespace' => $this->mTitle
->getNamespace(),
994 'page_title' => $this->mTitle
->getDBkey(),
996 'page_restrictions' => '',
997 'page_is_redirect' => 0, # Will set this shortly...
999 'page_random' => wfRandom(),
1000 'page_touched' => $dbw->timestamp(),
1001 'page_latest' => 0, # Fill this in shortly...
1002 'page_len' => 0, # Fill this in shortly...
1004 $newid = $dbw->insertId();
1006 $this->mTitle
->resetArticleId( $newid );
1008 wfProfileOut( __METHOD__
);
1013 * Update the page record to point to a newly saved revision.
1015 * @param Database $dbw
1016 * @param Revision $revision For ID number, and text used to set
1017 length and redirect status fields
1018 * @param int $lastRevision If given, will not overwrite the page field
1019 * when different from the currently set value.
1020 * Giving 0 indicates the new page flag should
1022 * @param bool $lastRevIsRedirect If given, will optimize adding and
1023 * removing rows in redirect table.
1024 * @return bool true on success, false on failure
1027 function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1028 wfProfileIn( __METHOD__
);
1030 $text = $revision->getText();
1031 $rt = Title
::newFromRedirect( $text );
1033 $conditions = array( 'page_id' => $this->getId() );
1034 if( !is_null( $lastRevision ) ) {
1035 # An extra check against threads stepping on each other
1036 $conditions['page_latest'] = $lastRevision;
1039 $dbw->update( 'page',
1041 'page_latest' => $revision->getId(),
1042 'page_touched' => $dbw->timestamp(),
1043 'page_is_new' => ($lastRevision === 0) ?
1 : 0,
1044 'page_is_redirect' => $rt !== NULL ?
1 : 0,
1045 'page_len' => strlen( $text ),
1050 $result = $dbw->affectedRows() != 0;
1053 // FIXME: Should the result from updateRedirectOn() be returned instead?
1054 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1057 wfProfileOut( __METHOD__
);
1062 * Add row to the redirect table if this is a redirect, remove otherwise.
1064 * @param Database $dbw
1065 * @param $redirectTitle a title object pointing to the redirect target,
1066 * or NULL if this is not a redirect
1067 * @param bool $lastRevIsRedirect If given, will optimize adding and
1068 * removing rows in redirect table.
1069 * @return bool true on success, false on failure
1072 function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1074 // Always update redirects (target link might have changed)
1075 // Update/Insert if we don't know if the last revision was a redirect or not
1076 // Delete if changing from redirect to non-redirect
1077 $isRedirect = !is_null($redirectTitle);
1078 if ($isRedirect ||
is_null($lastRevIsRedirect) ||
$lastRevIsRedirect !== $isRedirect) {
1080 wfProfileIn( __METHOD__
);
1084 // This title is a redirect, Add/Update row in the redirect table
1085 $set = array( /* SET */
1086 'rd_namespace' => $redirectTitle->getNamespace(),
1087 'rd_title' => $redirectTitle->getDBkey(),
1088 'rd_from' => $this->getId(),
1091 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1093 // This is not a redirect, remove row from redirect table
1094 $where = array( 'rd_from' => $this->getId() );
1095 $dbw->delete( 'redirect', $where, __METHOD__
);
1098 wfProfileOut( __METHOD__
);
1099 return ( $dbw->affectedRows() != 0 );
1106 * If the given revision is newer than the currently set page_latest,
1107 * update the page record. Otherwise, do nothing.
1109 * @param Database $dbw
1110 * @param Revision $revision
1112 function updateIfNewerOn( &$dbw, $revision ) {
1113 wfProfileIn( __METHOD__
);
1115 $row = $dbw->selectRow(
1116 array( 'revision', 'page' ),
1117 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1119 'page_id' => $this->getId(),
1120 'page_latest=rev_id' ),
1123 if( wfTimestamp(TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1124 wfProfileOut( __METHOD__
);
1127 $prev = $row->rev_id
;
1128 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1130 # No or missing previous revision; mark the page as new
1132 $lastRevIsRedirect = null;
1135 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1136 wfProfileOut( __METHOD__
);
1141 * @return string Complete article text, or null if error
1143 function replaceSection($section, $text, $summary = '', $edittime = NULL) {
1144 wfProfileIn( __METHOD__
);
1146 if( $section == '' ) {
1147 // Whole-page edit; let the text through unmolested.
1149 if( is_null( $edittime ) ) {
1150 $rev = Revision
::newFromTitle( $this->mTitle
);
1152 $dbw = wfGetDB( DB_MASTER
);
1153 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1155 if( is_null( $rev ) ) {
1156 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1157 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1160 $oldtext = $rev->getText();
1162 if( $section == 'new' ) {
1163 # Inserting a new section
1164 $subject = $summary ?
"== {$summary} ==\n\n" : '';
1165 $text = strlen( trim( $oldtext ) ) > 0
1166 ?
"{$oldtext}\n\n{$subject}{$text}"
1167 : "{$subject}{$text}";
1169 # Replacing an existing section; roll out the big guns
1171 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1176 wfProfileOut( __METHOD__
);
1181 * @deprecated use Article::doEdit()
1183 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false ) {
1184 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1185 ( $isminor ? EDIT_MINOR
: 0 ) |
1186 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 );
1188 # If this is a comment, add the summary as headline
1189 if ( $comment && $summary != "" ) {
1190 $text = "== {$summary} ==\n\n".$text;
1193 $this->doEdit( $text, $summary, $flags );
1195 $dbw = wfGetDB( DB_MASTER
);
1197 if (!$this->mTitle
->userIsWatching()) {
1203 if ( $this->mTitle
->userIsWatching() ) {
1209 $this->doRedirect( $this->isRedirect( $text ) );
1213 * @deprecated use Article::doEdit()
1215 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1216 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1217 ( $minor ? EDIT_MINOR
: 0 ) |
1218 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1220 $good = $this->doEdit( $text, $summary, $flags );
1222 $dbw = wfGetDB( DB_MASTER
);
1224 if (!$this->mTitle
->userIsWatching()) {
1230 if ( $this->mTitle
->userIsWatching() ) {
1237 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1245 * Change an existing article or create a new article. Updates RC and all necessary caches,
1246 * optionally via the deferred update array.
1248 * $wgUser must be set before calling this function.
1250 * @param string $text New text
1251 * @param string $summary Edit summary
1252 * @param integer $flags bitfield:
1254 * Article is known or assumed to be non-existent, create a new one
1256 * Article is known or assumed to be pre-existing, update it
1258 * Mark this edit minor, if the user is allowed to do so
1260 * Do not log the change in recentchanges
1262 * Mark the edit a "bot" edit regardless of user rights
1263 * EDIT_DEFER_UPDATES
1264 * Defer some of the updates until the end of index.php
1266 * Fill in blank summaries with generated text where possible
1268 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1269 * If EDIT_UPDATE is specified and the article doesn't exist, the function will return false. If
1270 * EDIT_NEW is specified and the article does exist, a duplicate key error will cause an exception
1271 * to be thrown from the Database. These two conditions are also possible with auto-detection due
1272 * to MediaWiki's performance-optimised locking strategy.
1274 * @return bool success
1276 function doEdit( $text, $summary, $flags = 0 ) {
1277 global $wgUser, $wgDBtransactions;
1279 wfProfileIn( __METHOD__
);
1282 if ( !($flags & EDIT_NEW
) && !($flags & EDIT_UPDATE
) ) {
1283 $aid = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
1285 $flags |
= EDIT_UPDATE
;
1291 if( !wfRunHooks( 'ArticleSave', array( &$this, &$wgUser, &$text,
1292 &$summary, $flags & EDIT_MINOR
,
1293 null, null, &$flags ) ) )
1295 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1296 wfProfileOut( __METHOD__
);
1300 # Silently ignore EDIT_MINOR if not allowed
1301 $isminor = ( $flags & EDIT_MINOR
) && $wgUser->isAllowed('minoredit');
1302 $bot = $wgUser->isAllowed( 'bot' ) ||
( $flags & EDIT_FORCE_BOT
);
1304 $oldtext = $this->getContent();
1305 $oldsize = strlen( $oldtext );
1307 # Provide autosummaries if one is not provided.
1308 if ($flags & EDIT_AUTOSUMMARY
&& $summary == '')
1309 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1311 $text = $this->preSaveTransform( $text );
1312 $newsize = strlen( $text );
1314 $dbw = wfGetDB( DB_MASTER
);
1315 $now = wfTimestampNow();
1317 if ( $flags & EDIT_UPDATE
) {
1318 # Update article, but only if changed.
1320 # Make sure the revision is either completely inserted or not inserted at all
1321 if( !$wgDBtransactions ) {
1322 $userAbort = ignore_user_abort( true );
1328 if ( 0 != strcmp( $text, $oldtext ) ) {
1329 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1330 - (int)$this->isCountable( $oldtext );
1331 $this->mTotalAdjustment
= 0;
1333 $lastRevision = $dbw->selectField(
1334 'page', 'page_latest', array( 'page_id' => $this->getId() ) );
1336 if ( !$lastRevision ) {
1337 # Article gone missing
1338 wfDebug( __METHOD__
.": EDIT_UPDATE specified but article doesn't exist\n" );
1339 wfProfileOut( __METHOD__
);
1343 $revision = new Revision( array(
1344 'page' => $this->getId(),
1345 'comment' => $summary,
1346 'minor_edit' => $isminor,
1351 $revisionId = $revision->insertOn( $dbw );
1354 $ok = $this->updateRevisionOn( $dbw, $revision, $lastRevision );
1357 /* Belated edit conflict! Run away!! */
1361 # Update recentchanges
1362 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1363 $rcid = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $wgUser, $summary,
1364 $lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1367 # Mark as patrolled if the user can do so
1368 if( $GLOBALS['wgUseRCPatrol'] && $wgUser->isAllowed( 'autopatrol' ) ) {
1369 RecentChange
::markPatrolled( $rcid );
1370 PatrolLog
::record( $rcid, true );
1373 $wgUser->incEditCount();
1377 // Keep the same revision ID, but do some updates on it
1378 $revisionId = $this->getRevIdFetched();
1379 // Update page_touched, this is usually implicit in the page update
1380 // Other cache updates are done in onArticleEdit()
1381 $this->mTitle
->invalidateCache();
1384 if( !$wgDBtransactions ) {
1385 ignore_user_abort( $userAbort );
1389 # Invalidate cache of this article and all pages using this article
1390 # as a template. Partly deferred.
1391 Article
::onArticleEdit( $this->mTitle
);
1393 # Update links tables, site stats, etc.
1394 $changed = ( strcmp( $oldtext, $text ) != 0 );
1395 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
1398 # Create new article
1400 # Set statistics members
1401 # We work out if it's countable after PST to avoid counter drift
1402 # when articles are created with {{subst:}}
1403 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
1404 $this->mTotalAdjustment
= 1;
1408 # Add the page record; stake our claim on this title!
1409 # This will fail with a database query exception if the article already exists
1410 $newid = $this->insertOn( $dbw );
1412 # Save the revision text...
1413 $revision = new Revision( array(
1415 'comment' => $summary,
1416 'minor_edit' => $isminor,
1419 $revisionId = $revision->insertOn( $dbw );
1421 $this->mTitle
->resetArticleID( $newid );
1423 # Update the page record with revision data
1424 $this->updateRevisionOn( $dbw, $revision, 0 );
1426 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1427 $rcid = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $wgUser, $summary, $bot,
1428 '', strlen( $text ), $revisionId );
1429 # Mark as patrolled if the user can
1430 if( $GLOBALS['wgUseRCPatrol'] && $wgUser->isAllowed( 'autopatrol' ) ) {
1431 RecentChange
::markPatrolled( $rcid );
1432 PatrolLog
::record( $rcid, true );
1435 $wgUser->incEditCount();
1438 # Update links, etc.
1439 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
1442 Article
::onArticleCreate( $this->mTitle
);
1444 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$wgUser, $text,
1445 $summary, $flags & EDIT_MINOR
,
1446 null, null, &$flags ) );
1449 if ( $good && !( $flags & EDIT_DEFER_UPDATES
) ) {
1453 wfRunHooks( 'ArticleSaveComplete',
1454 array( &$this, &$wgUser, $text,
1455 $summary, $flags & EDIT_MINOR
,
1456 null, null, &$flags ) );
1458 wfProfileOut( __METHOD__
);
1463 * @deprecated wrapper for doRedirect
1465 function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
1466 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1470 * Output a redirect back to the article.
1471 * This is typically used after an edit.
1473 * @param boolean $noRedir Add redirect=no
1474 * @param string $sectionAnchor section to redirect to, including "#"
1476 function doRedirect( $noRedir = false, $sectionAnchor = '' ) {
1479 $query = 'redirect=no';
1483 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
1487 * Mark this particular edit as patrolled
1489 function markpatrolled() {
1490 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUser;
1491 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1493 # Check RC patrol config. option
1494 if( !$wgUseRCPatrol ) {
1495 $wgOut->errorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
1500 if( !$wgUser->isAllowed( 'patrol' ) ) {
1501 $wgOut->permissionRequired( 'patrol' );
1505 # If we haven't been given an rc_id value, we can't do anything
1506 $rcid = $wgRequest->getVal( 'rcid' );
1508 $wgOut->errorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
1512 # Handle the 'MarkPatrolled' hook
1513 if( !wfRunHooks( 'MarkPatrolled', array( $rcid, &$wgUser, false ) ) ) {
1517 $return = SpecialPage
::getTitleFor( 'Recentchanges' );
1518 # If it's left up to us, check that the user is allowed to patrol this edit
1519 # If the user has the "autopatrol" right, then we'll assume there are no
1520 # other conditions stopping them doing so
1521 if( !$wgUser->isAllowed( 'autopatrol' ) ) {
1522 $rc = RecentChange
::newFromId( $rcid );
1523 # Graceful error handling, as we've done before here...
1524 # (If the recent change doesn't exist, then it doesn't matter whether
1525 # the user is allowed to patrol it or not; nothing is going to happen
1526 if( is_object( $rc ) && $wgUser->getName() == $rc->getAttribute( 'rc_user_text' ) ) {
1527 # The user made this edit, and can't patrol it
1528 # Tell them so, and then back off
1529 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
1530 $wgOut->addWikiText( wfMsgNoTrans( 'markedaspatrollederror-noautopatrol' ) );
1531 $wgOut->returnToMain( false, $return );
1536 # Mark the edit as patrolled
1537 RecentChange
::markPatrolled( $rcid );
1538 PatrolLog
::record( $rcid );
1539 wfRunHooks( 'MarkPatrolledComplete', array( &$rcid, &$wgUser, false ) );
1542 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
1543 $wgOut->addWikiText( wfMsgNoTrans( 'markedaspatrolledtext' ) );
1544 $wgOut->returnToMain( false, $return );
1548 * User-interface handler for the "watch" action
1553 global $wgUser, $wgOut;
1555 if ( $wgUser->isAnon() ) {
1556 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1559 if ( wfReadOnly() ) {
1560 $wgOut->readOnlyPage();
1564 if( $this->doWatch() ) {
1565 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
1566 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1568 $link = wfEscapeWikiText( $this->mTitle
->getPrefixedText() );
1569 $text = wfMsg( 'addedwatchtext', $link );
1570 $wgOut->addWikiText( $text );
1573 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1577 * Add this page to $wgUser's watchlist
1578 * @return bool true on successful watch operation
1580 function doWatch() {
1582 if( $wgUser->isAnon() ) {
1586 if (wfRunHooks('WatchArticle', array(&$wgUser, &$this))) {
1587 $wgUser->addWatch( $this->mTitle
);
1589 return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
1596 * User interface handler for the "unwatch" action.
1598 function unwatch() {
1600 global $wgUser, $wgOut;
1602 if ( $wgUser->isAnon() ) {
1603 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1606 if ( wfReadOnly() ) {
1607 $wgOut->readOnlyPage();
1611 if( $this->doUnwatch() ) {
1612 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
1613 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1615 $link = wfEscapeWikiText( $this->mTitle
->getPrefixedText() );
1616 $text = wfMsg( 'removedwatchtext', $link );
1617 $wgOut->addWikiText( $text );
1620 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1624 * Stop watching a page
1625 * @return bool true on successful unwatch
1627 function doUnwatch() {
1629 if( $wgUser->isAnon() ) {
1633 if (wfRunHooks('UnwatchArticle', array(&$wgUser, &$this))) {
1634 $wgUser->removeWatch( $this->mTitle
);
1636 return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
1643 * action=protect handler
1645 function protect() {
1646 $form = new ProtectionForm( $this );
1651 * action=unprotect handler (alias)
1653 function unprotect() {
1658 * Update the article's restriction field, and leave a log entry.
1660 * @param array $limit set of restriction keys
1661 * @param string $reason
1662 * @return bool true on success
1664 function updateRestrictions( $limit = array(), $reason = '', $cascade = 0, $expiry = null ) {
1665 global $wgUser, $wgRestrictionTypes, $wgContLang;
1667 $id = $this->mTitle
->getArticleID();
1668 if( !$wgUser->isAllowed( 'protect' ) ||
wfReadOnly() ||
$id == 0 ) {
1676 // Take this opportunity to purge out expired restrictions
1677 Title
::purgeExpiredRestrictions();
1679 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
1680 # we expect a single selection, but the schema allows otherwise.
1682 foreach( $wgRestrictionTypes as $action )
1683 $current[$action] = implode( '', $this->mTitle
->getRestrictions( $action ) );
1685 $current = Article
::flattenRestrictions( $current );
1686 $updated = Article
::flattenRestrictions( $limit );
1688 $changed = ( $current != $updated );
1689 $changed = $changed ||
($this->mTitle
->areRestrictionsCascading() != $cascade);
1690 $changed = $changed ||
($this->mTitle
->mRestrictionsExpiry
!= $expiry);
1691 $protect = ( $updated != '' );
1693 # If nothing's changed, do nothing
1695 global $wgGroupPermissions;
1696 if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
1698 $dbw = wfGetDB( DB_MASTER
);
1700 $encodedExpiry = Block
::encodeExpiry($expiry, $dbw );
1702 $expiry_description = '';
1703 if ( $encodedExpiry != 'infinity' ) {
1704 $expiry_description = ' (' . wfMsgForContent( 'protect-expiring', $wgContLang->timeanddate( $expiry ) ).')';
1707 # Prepare a null revision to be added to the history
1708 $modified = $current != '' && $protect;
1710 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
1712 $comment_type = 'unprotectedarticle';
1714 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
1716 foreach( $limit as $action => $restrictions ) {
1717 # Check if the group level required to edit also can protect pages
1718 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
1719 $cascade = ( $cascade && isset($wgGroupPermissions[$restrictions]['protect']) && $wgGroupPermissions[$restrictions]['protect'] );
1722 $cascade_description = '';
1724 $cascade_description = ' ['.wfMsg('protect-summary-cascade').']';
1728 $comment .= ": $reason";
1730 $comment .= " [$updated]";
1731 if ( $expiry_description && $protect )
1732 $comment .= "$expiry_description";
1734 $comment .= "$cascade_description";
1736 $nullRevision = Revision
::newNullRevision( $dbw, $id, $comment, true );
1737 $nullRevId = $nullRevision->insertOn( $dbw );
1739 # Update restrictions table
1740 foreach( $limit as $action => $restrictions ) {
1741 if ($restrictions != '' ) {
1742 $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
1743 array( 'pr_page' => $id, 'pr_type' => $action
1744 , 'pr_level' => $restrictions, 'pr_cascade' => $cascade ?
1 : 0
1745 , 'pr_expiry' => $encodedExpiry ), __METHOD__
);
1747 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
1748 'pr_type' => $action ), __METHOD__
);
1752 # Update page record
1753 $dbw->update( 'page',
1755 'page_touched' => $dbw->timestamp(),
1756 'page_restrictions' => '',
1757 'page_latest' => $nullRevId
1758 ), array( /* WHERE */
1760 ), 'Article::protect'
1762 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
1764 # Update the protection log
1765 $log = new LogPage( 'protect' );
1768 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason . " [$updated]$cascade_description$expiry_description" ) );
1770 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
1774 } # End "changed" check
1780 * Take an array of page restrictions and flatten it to a string
1781 * suitable for insertion into the page_restrictions field.
1782 * @param array $limit
1786 function flattenRestrictions( $limit ) {
1787 if( !is_array( $limit ) ) {
1788 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
1792 foreach( $limit as $action => $restrictions ) {
1793 if( $restrictions != '' ) {
1794 $bits[] = "$action=$restrictions";
1797 return implode( ':', $bits );
1801 * UI entry point for page deletion
1804 global $wgUser, $wgOut, $wgRequest;
1805 $confirm = $wgRequest->wasPosted() &&
1806 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
1807 $reason = $wgRequest->getText( 'wpReason' );
1809 # This code desperately needs to be totally rewritten
1812 if( $wgUser->isAllowed( 'delete' ) ) {
1813 if( $wgUser->isBlocked( !$confirm ) ) {
1814 $wgOut->blockedPage();
1818 $wgOut->permissionRequired( 'delete' );
1822 if( wfReadOnly() ) {
1823 $wgOut->readOnlyPage();
1827 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
1829 # Better double-check that it hasn't been deleted yet!
1830 $dbw = wfGetDB( DB_MASTER
);
1831 $conds = $this->mTitle
->pageCond();
1832 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
1833 if ( $latest === false ) {
1834 $wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
1839 $this->doDelete( $reason );
1840 if( $wgRequest->getCheck( 'wpWatch' ) ) {
1842 } elseif( $this->mTitle
->userIsWatching() ) {
1848 # determine whether this page has earlier revisions
1849 # and insert a warning if it does
1851 $authors = $this->getLastNAuthors( $maxRevisions, $latest );
1853 if( count( $authors ) > 1 && !$confirm ) {
1854 $skin=$wgUser->getSkin();
1855 $wgOut->addHTML( '<strong>' . wfMsg( 'historywarning' ) . ' ' . $skin->historyLink() . '</strong>' );
1858 # If a single user is responsible for all revisions, find out who they are
1859 if ( count( $authors ) == $maxRevisions ) {
1860 // Query bailed out, too many revisions to find out if they're all the same
1861 $authorOfAll = false;
1863 $authorOfAll = reset( $authors );
1864 foreach ( $authors as $author ) {
1865 if ( $authorOfAll != $author ) {
1866 $authorOfAll = false;
1871 # Fetch article text
1872 $rev = Revision
::newFromTitle( $this->mTitle
);
1874 if( !is_null( $rev ) ) {
1875 # if this is a mini-text, we can paste part of it into the deletion reason
1876 $text = $rev->getText();
1878 #if this is empty, an earlier revision may contain "useful" text
1881 $prev = $rev->getPrevious();
1883 $text = $prev->getText();
1888 $length = strlen( $text );
1890 # this should not happen, since it is not possible to store an empty, new
1891 # page. Let's insert a standard text in case it does, though
1892 if( $length == 0 && $reason === '' ) {
1893 $reason = wfMsgForContent( 'exblank' );
1896 if( $reason === '' ) {
1897 # comment field=255, let's grep the first 150 to have some user
1900 $text = $wgContLang->truncate( $text, 150, '...' );
1902 # let's strip out newlines
1903 $text = preg_replace( "/[\n\r]/", '', $text );
1906 if( $authorOfAll === false ) {
1907 $reason = wfMsgForContent( 'excontent', $text );
1909 $reason = wfMsgForContent( 'excontentauthor', $text, $authorOfAll );
1912 $reason = wfMsgForContent( 'exbeforeblank', $text );
1917 return $this->confirmDelete( '', $reason );
1921 * Get the last N authors
1922 * @param int $num Number of revisions to get
1923 * @param string $revLatest The latest rev_id, selected from the master (optional)
1924 * @return array Array of authors, duplicates not removed
1926 function getLastNAuthors( $num, $revLatest = 0 ) {
1927 wfProfileIn( __METHOD__
);
1929 // First try the slave
1930 // If that doesn't have the latest revision, try the master
1932 $db = wfGetDB( DB_SLAVE
);
1934 $res = $db->select( array( 'page', 'revision' ),
1935 array( 'rev_id', 'rev_user_text' ),
1937 'page_namespace' => $this->mTitle
->getNamespace(),
1938 'page_title' => $this->mTitle
->getDBkey(),
1939 'rev_page = page_id'
1940 ), __METHOD__
, $this->getSelectOptions( array(
1941 'ORDER BY' => 'rev_timestamp DESC',
1946 wfProfileOut( __METHOD__
);
1949 $row = $db->fetchObject( $res );
1950 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
1951 $db = wfGetDB( DB_MASTER
);
1956 } while ( $continue );
1958 $authors = array( $row->rev_user_text
);
1959 while ( $row = $db->fetchObject( $res ) ) {
1960 $authors[] = $row->rev_user_text
;
1962 wfProfileOut( __METHOD__
);
1967 * Output deletion confirmation dialog
1969 function confirmDelete( $par, $reason ) {
1970 global $wgOut, $wgUser;
1972 wfDebug( "Article::confirmDelete\n" );
1974 $sub = htmlspecialchars( $this->mTitle
->getPrefixedText() );
1975 $wgOut->setSubtitle( wfMsg( 'deletesub', $sub ) );
1976 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1977 $wgOut->addWikiText( wfMsg( 'confirmdeletetext' ) );
1979 $formaction = $this->mTitle
->escapeLocalURL( 'action=delete' . $par );
1981 $confirm = htmlspecialchars( wfMsg( 'deletepage' ) );
1982 $delcom = htmlspecialchars( wfMsg( 'deletecomment' ) );
1983 $token = htmlspecialchars( $wgUser->editToken() );
1984 $watch = Xml
::checkLabel( wfMsg( 'watchthis' ), 'wpWatch', 'wpWatch', $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching(), array( 'tabindex' => '2' ) );
1987 <form id='deleteconfirm' method='post' action=\"{$formaction}\">
1991 <label for='wpReason'>{$delcom}:</label>
1994 <input type='text' size='60' name='wpReason' id='wpReason' value=\"" . htmlspecialchars( $reason ) . "\" tabindex=\"1\" />
2004 <input type='submit' name='wpConfirmB' id='wpConfirmB' value=\"{$confirm}\" tabindex=\"3\" />
2008 <input type='hidden' name='wpEditToken' value=\"{$token}\" />
2011 $wgOut->returnToMain( false );
2013 $this->showLogExtract( $wgOut );
2018 * Show relevant lines from the deletion log
2020 function showLogExtract( $out ) {
2021 $out->addHtml( '<h2>' . htmlspecialchars( LogPage
::logName( 'delete' ) ) . '</h2>' );
2022 $logViewer = new LogViewer(
2025 array( 'page' => $this->mTitle
->getPrefixedText(),
2026 'type' => 'delete' ) ) ) );
2027 $logViewer->showList( $out );
2032 * Perform a deletion and output success or failure messages
2034 function doDelete( $reason ) {
2035 global $wgOut, $wgUser;
2036 wfDebug( __METHOD__
."\n" );
2038 if (wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason))) {
2039 if ( $this->doDeleteArticle( $reason ) ) {
2040 $deleted = wfEscapeWikiText( $this->mTitle
->getPrefixedText() );
2042 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2043 $wgOut->setRobotpolicy( 'noindex,nofollow' );
2045 $loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
2046 $text = wfMsg( 'deletedtext', $deleted, $loglink );
2048 $wgOut->addWikiText( $text );
2049 $wgOut->returnToMain( false );
2050 wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason));
2052 $wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
2058 * Back-end article deletion
2059 * Deletes the article with database consistency, writes logs, purges caches
2062 function doDeleteArticle( $reason ) {
2063 global $wgUseSquid, $wgDeferredUpdateList;
2064 global $wgUseTrackbacks;
2066 wfDebug( __METHOD__
."\n" );
2068 $dbw = wfGetDB( DB_MASTER
);
2069 $ns = $this->mTitle
->getNamespace();
2070 $t = $this->mTitle
->getDBkey();
2071 $id = $this->mTitle
->getArticleID();
2073 if ( $t == '' ||
$id == 0 ) {
2077 $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getContent() ), -1 );
2078 array_push( $wgDeferredUpdateList, $u );
2080 // For now, shunt the revision data into the archive table.
2081 // Text is *not* removed from the text table; bulk storage
2082 // is left intact to avoid breaking block-compression or
2083 // immutable storage schemes.
2085 // For backwards compatibility, note that some older archive
2086 // table entries will have ar_text and ar_flags fields still.
2088 // In the future, we may keep revisions and mark them with
2089 // the rev_deleted field, which is reserved for this purpose.
2090 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2092 'ar_namespace' => 'page_namespace',
2093 'ar_title' => 'page_title',
2094 'ar_comment' => 'rev_comment',
2095 'ar_user' => 'rev_user',
2096 'ar_user_text' => 'rev_user_text',
2097 'ar_timestamp' => 'rev_timestamp',
2098 'ar_minor_edit' => 'rev_minor_edit',
2099 'ar_rev_id' => 'rev_id',
2100 'ar_text_id' => 'rev_text_id',
2101 'ar_text' => '\'\'', // Be explicit to appease
2102 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2103 'ar_len' => 'rev_len'
2106 'page_id = rev_page'
2110 # Delete restrictions for it
2111 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2113 # Now that it's safely backed up, delete it
2114 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2116 # If using cascading deletes, we can skip some explicit deletes
2117 if ( !$dbw->cascadingDeletes() ) {
2119 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2121 if ($wgUseTrackbacks)
2122 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2124 # Delete outgoing links
2125 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2126 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2127 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2128 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2129 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2130 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2131 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2134 # If using cleanup triggers, we can skip some manual deletes
2135 if ( !$dbw->cleanupTriggers() ) {
2137 # Clean up recentchanges entries...
2138 $dbw->delete( 'recentchanges', array( 'rc_namespace' => $ns, 'rc_title' => $t ), __METHOD__
);
2142 Article
::onArticleDelete( $this->mTitle
);
2145 $log = new LogPage( 'delete' );
2146 $log->addEntry( 'delete', $this->mTitle
, $reason );
2148 # Clear the cached article id so the interface doesn't act like we exist
2149 $this->mTitle
->resetArticleID( 0 );
2150 $this->mTitle
->mArticleID
= 0;
2155 * Revert a modification
2157 function rollback() {
2158 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
2160 if( $wgUser->isAllowed( 'rollback' ) ) {
2161 if( $wgUser->isBlocked() ) {
2162 $wgOut->blockedPage();
2166 $wgOut->permissionRequired( 'rollback' );
2170 if ( wfReadOnly() ) {
2171 $wgOut->readOnlyPage( $this->getContent() );
2174 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'token' ),
2175 array( $this->mTitle
->getPrefixedText(),
2176 $wgRequest->getVal( 'from' ) ) ) ) {
2177 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
2178 $wgOut->addWikiText( wfMsg( 'sessionfailure' ) );
2181 $dbw = wfGetDB( DB_MASTER
);
2183 # Enhanced rollback, marks edits rc_bot=1
2184 $bot = $wgRequest->getBool( 'bot' );
2186 # Replace all this user's current edits with the next one down
2188 # Get the last editor
2189 $current = Revision
::newFromTitle( $this->mTitle
);
2190 if( is_null( $current ) ) {
2191 # Something wrong... no page?
2192 $wgOut->addHTML( wfMsg( 'notanarticle' ) );
2196 $from = str_replace( '_', ' ', $wgRequest->getVal( 'from' ) );
2197 if( $from != $current->getUserText() ) {
2198 $wgOut->setPageTitle( wfMsg('rollbackfailed') );
2199 $wgOut->addWikiText( wfMsg( 'alreadyrolled',
2200 htmlspecialchars( $this->mTitle
->getPrefixedText()),
2201 htmlspecialchars( $from ),
2202 htmlspecialchars( $current->getUserText() ) ) );
2203 if( $current->getComment() != '') {
2205 wfMsg( 'editcomment',
2206 $wgUser->getSkin()->formatComment( $current->getComment() ) ) );
2211 # Get the last edit not by this guy
2212 $user = intval( $current->getUser() );
2213 $user_text = $dbw->addQuotes( $current->getUserText() );
2214 $s = $dbw->selectRow( 'revision',
2215 array( 'rev_id', 'rev_timestamp' ),
2217 'rev_page' => $current->getPage(),
2218 "rev_user <> {$user} OR rev_user_text <> {$user_text}"
2221 'USE INDEX' => 'page_timestamp',
2222 'ORDER BY' => 'rev_timestamp DESC' )
2224 if( $s === false ) {
2226 $wgOut->setPageTitle(wfMsg('rollbackfailed'));
2227 $wgOut->addHTML( wfMsg( 'cantrollback' ) );
2233 # Mark all reverted edits as bot
2236 if ( $wgUseRCPatrol ) {
2237 # Mark all reverted edits as patrolled
2238 $set['rc_patrolled'] = 1;
2242 $dbw->update( 'recentchanges', $set,
2244 'rc_cur_id' => $current->getPage(),
2245 'rc_user_text' => $current->getUserText(),
2246 "rc_timestamp > '{$s->rev_timestamp}'",
2251 # Get the edit summary
2252 $target = Revision
::newFromId( $s->rev_id
);
2253 $newComment = wfMsgForContent( 'revertpage', $target->getUserText(), $from );
2254 $newComment = $wgRequest->getText( 'summary', $newComment );
2257 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2258 $wgOut->setRobotpolicy( 'noindex,nofollow' );
2259 $wgOut->addHTML( '<h2>' . htmlspecialchars( $newComment ) . "</h2>\n<hr />\n" );
2261 $this->updateArticle( $target->getText(), $newComment, 1, $this->mTitle
->userIsWatching(), $bot );
2263 $wgOut->returnToMain( false );
2268 * Do standard deferred updates after page view
2271 function viewUpdates() {
2272 global $wgDeferredUpdateList;
2274 if ( 0 != $this->getID() ) {
2275 global $wgDisableCounters;
2276 if( !$wgDisableCounters ) {
2277 Article
::incViewCount( $this->getID() );
2278 $u = new SiteStatsUpdate( 1, 0, 0 );
2279 array_push( $wgDeferredUpdateList, $u );
2283 # Update newtalk / watchlist notification status
2285 $wgUser->clearNotification( $this->mTitle
);
2289 * Do standard deferred updates after page edit.
2290 * Update links tables, site stats, search index and message cache.
2291 * Every 1000th edit, prune the recent changes table.
2294 * @param $text New text of the article
2295 * @param $summary Edit summary
2296 * @param $minoredit Minor edit
2297 * @param $timestamp_of_pagechange Timestamp associated with the page change
2298 * @param $newid rev_id value of the new revision
2299 * @param $changed Whether or not the content actually changed
2301 function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
2302 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser;
2304 wfProfileIn( __METHOD__
);
2307 $options = new ParserOptions
;
2308 $options->setTidy(true);
2309 $poutput = $wgParser->parse( $text, $this->mTitle
, $options, true, true, $newid );
2311 # Save it to the parser cache
2312 $parserCache =& ParserCache
::singleton();
2313 $parserCache->save( $poutput, $this, $wgUser );
2315 # Update the links tables
2316 $u = new LinksUpdate( $this->mTitle
, $poutput );
2319 if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2321 if ( 0 == mt_rand( 0, 99 ) ) {
2322 # Periodically flush old entries from the recentchanges table.
2325 $dbw = wfGetDB( DB_MASTER
);
2326 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2327 $recentchanges = $dbw->tableName( 'recentchanges' );
2328 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
2329 $dbw->query( $sql );
2333 $id = $this->getID();
2334 $title = $this->mTitle
->getPrefixedDBkey();
2335 $shortTitle = $this->mTitle
->getDBkey();
2338 wfProfileOut( __METHOD__
);
2342 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
2343 array_push( $wgDeferredUpdateList, $u );
2344 $u = new SearchUpdate( $id, $title, $text );
2345 array_push( $wgDeferredUpdateList, $u );
2347 # If this is another user's talk page, update newtalk
2348 # Don't do this if $changed = false otherwise some idiot can null-edit a
2349 # load of user talk pages and piss people off, nor if it's a minor edit
2350 # by a properly-flagged bot.
2351 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
2352 && !($minoredit && $wgUser->isAllowed('nominornewtalk') ) ) {
2353 if (wfRunHooks('ArticleEditUpdateNewTalk', array(&$this)) ) {
2354 $other = User
::newFromName( $shortTitle );
2355 if( is_null( $other ) && User
::isIP( $shortTitle ) ) {
2356 // An anonymous user
2357 $other = new User();
2358 $other->setName( $shortTitle );
2361 $other->setNewtalk( true );
2366 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2367 $wgMessageCache->replace( $shortTitle, $text );
2370 wfProfileOut( __METHOD__
);
2374 * Perform article updates on a special page creation.
2376 * @param Revision $rev
2378 * @todo This is a shitty interface function. Kill it and replace the
2379 * other shitty functions like editUpdates and such so it's not needed
2382 function createUpdates( $rev ) {
2383 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
2384 $this->mTotalAdjustment
= 1;
2385 $this->editUpdates( $rev->getText(), $rev->getComment(),
2386 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
2390 * Generate the navigation links when browsing through an article revisions
2391 * It shows the information as:
2392 * Revision as of \<date\>; view current revision
2393 * \<- Previous version | Next Version -\>
2396 * @param string $oldid Revision ID of this article revision
2398 function setOldSubtitle( $oldid=0 ) {
2399 global $wgLang, $wgOut, $wgUser;
2401 if ( !wfRunHooks( 'DisplayOldSubtitle', array(&$this, &$oldid) ) ) {
2405 $revision = Revision
::newFromId( $oldid );
2407 $current = ( $oldid == $this->mLatest
);
2408 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
2409 $sk = $wgUser->getSkin();
2411 ?
wfMsg( 'currentrevisionlink' )
2412 : $lnk = $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'currentrevisionlink' ) );
2415 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=cur&oldid='.$oldid );
2416 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
2418 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
2419 : wfMsg( 'previousrevision' );
2421 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=prev&oldid='.$oldid )
2423 $nextlink = $current
2424 ?
wfMsg( 'nextrevision' )
2425 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'nextrevision' ), 'direction=next&oldid='.$oldid );
2426 $nextdiff = $current
2428 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=next&oldid='.$oldid );
2430 $userlinks = $sk->userLink( $revision->getUser(), $revision->getUserText() )
2431 . $sk->userToolLinks( $revision->getUser(), $revision->getUserText() );
2433 $m = wfMsg( 'revision-info-current' );
2434 $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
2435 ?
'revision-info-current'
2438 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" . wfMsg( $infomsg, $td, $userlinks ) . "</div>\n" .
2439 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . wfMsg( 'revision-nav', $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
2440 $wgOut->setSubtitle( $r );
2444 * This function is called right before saving the wikitext,
2445 * so we can do things like signatures and links-in-context.
2447 * @param string $text
2449 function preSaveTransform( $text ) {
2450 global $wgParser, $wgUser;
2451 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
2454 /* Caching functions */
2457 * checkLastModified returns true if it has taken care of all
2458 * output to the client that is necessary for this request.
2459 * (that is, it has sent a cached version of the page)
2461 function tryFileCache() {
2462 static $called = false;
2464 wfDebug( "Article::tryFileCache(): called twice!?\n" );
2468 if($this->isFileCacheable()) {
2469 $touched = $this->mTouched
;
2470 $cache = new HTMLFileCache( $this->mTitle
);
2471 if($cache->isFileCacheGood( $touched )) {
2472 wfDebug( "Article::tryFileCache(): about to load file\n" );
2473 $cache->loadFromFileCache();
2476 wfDebug( "Article::tryFileCache(): starting buffer\n" );
2477 ob_start( array(&$cache, 'saveToFileCache' ) );
2480 wfDebug( "Article::tryFileCache(): not cacheable\n" );
2485 * Check if the page can be cached
2488 function isFileCacheable() {
2489 global $wgUser, $wgUseFileCache, $wgShowIPinHeader, $wgRequest, $wgLang, $wgContLang;
2490 $action = $wgRequest->getVal( 'action' );
2491 $oldid = $wgRequest->getVal( 'oldid' );
2492 $diff = $wgRequest->getVal( 'diff' );
2493 $redirect = $wgRequest->getVal( 'redirect' );
2494 $printable = $wgRequest->getVal( 'printable' );
2495 $page = $wgRequest->getVal( 'page' );
2497 //check for non-standard user language; this covers uselang,
2498 //and extensions for auto-detecting user language.
2499 $ulang = $wgLang->getCode();
2500 $clang = $wgContLang->getCode();
2502 $cacheable = $wgUseFileCache
2503 && (!$wgShowIPinHeader)
2504 && ($this->getID() != 0)
2505 && ($wgUser->isAnon())
2506 && (!$wgUser->getNewtalk())
2507 && ($this->mTitle
->getNamespace() != NS_SPECIAL
)
2508 && (empty( $action ) ||
$action == 'view')
2511 && (!isset($redirect))
2512 && (!isset($printable))
2514 && (!$this->mRedirectedFrom
)
2515 && ($ulang === $clang);
2518 //extension may have reason to disable file caching on some pages.
2519 $cacheable = wfRunHooks( 'IsFileCacheable', array( $this ) );
2526 * Loads page_touched and returns a value indicating if it should be used
2529 function checkTouched() {
2530 if( !$this->mDataLoaded
) {
2531 $this->loadPageData();
2533 return !$this->mIsRedirect
;
2537 * Get the page_touched field
2539 function getTouched() {
2540 # Ensure that page data has been loaded
2541 if( !$this->mDataLoaded
) {
2542 $this->loadPageData();
2544 return $this->mTouched
;
2548 * Get the page_latest field
2550 function getLatest() {
2551 if ( !$this->mDataLoaded
) {
2552 $this->loadPageData();
2554 return $this->mLatest
;
2558 * Edit an article without doing all that other stuff
2559 * The article must already exist; link tables etc
2560 * are not updated, caches are not flushed.
2562 * @param string $text text submitted
2563 * @param string $comment comment submitted
2564 * @param bool $minor whereas it's a minor modification
2566 function quickEdit( $text, $comment = '', $minor = 0 ) {
2567 wfProfileIn( __METHOD__
);
2569 $dbw = wfGetDB( DB_MASTER
);
2571 $revision = new Revision( array(
2572 'page' => $this->getId(),
2574 'comment' => $comment,
2575 'minor_edit' => $minor ?
1 : 0,
2577 $revision->insertOn( $dbw );
2578 $this->updateRevisionOn( $dbw, $revision );
2581 wfProfileOut( __METHOD__
);
2585 * Used to increment the view counter
2588 * @param integer $id article id
2590 function incViewCount( $id ) {
2591 $id = intval( $id );
2592 global $wgHitcounterUpdateFreq, $wgDBtype;
2594 $dbw = wfGetDB( DB_MASTER
);
2595 $pageTable = $dbw->tableName( 'page' );
2596 $hitcounterTable = $dbw->tableName( 'hitcounter' );
2597 $acchitsTable = $dbw->tableName( 'acchits' );
2599 if( $wgHitcounterUpdateFreq <= 1 ) {
2600 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
2604 # Not important enough to warrant an error page in case of failure
2605 $oldignore = $dbw->ignoreErrors( true );
2607 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
2609 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
2610 if( (rand() %
$checkfreq != 0) or ($dbw->lastErrno() != 0) ){
2611 # Most of the time (or on SQL errors), skip row count check
2612 $dbw->ignoreErrors( $oldignore );
2616 $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
2617 $row = $dbw->fetchObject( $res );
2618 $rown = intval( $row->n
);
2619 if( $rown >= $wgHitcounterUpdateFreq ){
2620 wfProfileIn( 'Article::incViewCount-collect' );
2621 $old_user_abort = ignore_user_abort( true );
2623 if ($wgDBtype == 'mysql')
2624 $dbw->query("LOCK TABLES $hitcounterTable WRITE");
2625 $tabletype = $wgDBtype == 'mysql' ?
"ENGINE=HEAP " : '';
2626 $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
2627 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
2629 $dbw->query("DELETE FROM $hitcounterTable");
2630 if ($wgDBtype == 'mysql') {
2631 $dbw->query('UNLOCK TABLES');
2632 $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
2633 'WHERE page_id = hc_id');
2636 $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ".
2637 "FROM $acchitsTable WHERE page_id = hc_id");
2639 $dbw->query("DROP TABLE $acchitsTable");
2641 ignore_user_abort( $old_user_abort );
2642 wfProfileOut( 'Article::incViewCount-collect' );
2644 $dbw->ignoreErrors( $oldignore );
2648 * The onArticle*() functions are supposed to be a kind of hooks
2649 * which should be called whenever any of the specified actions
2652 * This is a good place to put code to clear caches, for instance.
2654 * This is called on page move and undelete, as well as edit
2656 * @param $title_obj a title object
2659 static function onArticleCreate($title) {
2660 # The talk page isn't in the regular link tables, so we need to update manually:
2661 if ( $title->isTalkPage() ) {
2662 $other = $title->getSubjectPage();
2664 $other = $title->getTalkPage();
2666 $other->invalidateCache();
2667 $other->purgeSquid();
2669 $title->touchLinks();
2670 $title->purgeSquid();
2673 static function onArticleDelete( $title ) {
2674 global $wgUseFileCache, $wgMessageCache;
2676 $title->touchLinks();
2677 $title->purgeSquid();
2680 if ( $wgUseFileCache ) {
2681 $cm = new HTMLFileCache( $title );
2682 @unlink
( $cm->fileCacheName() );
2685 if( $title->getNamespace() == NS_MEDIAWIKI
) {
2686 $wgMessageCache->replace( $title->getDBkey(), false );
2691 * Purge caches on page update etc
2693 static function onArticleEdit( $title ) {
2694 global $wgDeferredUpdateList, $wgUseFileCache;
2696 // Invalidate caches of articles which include this page
2697 $update = new HTMLCacheUpdate( $title, 'templatelinks' );
2698 $wgDeferredUpdateList[] = $update;
2700 # Purge squid for this page only
2701 $title->purgeSquid();
2704 if ( $wgUseFileCache ) {
2705 $cm = new HTMLFileCache( $title );
2706 @unlink
( $cm->fileCacheName() );
2713 * Info about this page
2714 * Called for ?action=info when $wgAllowPageInfo is on.
2719 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
2721 if ( !$wgAllowPageInfo ) {
2722 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
2726 $page = $this->mTitle
->getSubjectPage();
2728 $wgOut->setPagetitle( $page->getPrefixedText() );
2729 $wgOut->setSubtitle( wfMsg( 'infosubtitle' ));
2731 # first, see if the page exists at all.
2732 $exists = $page->getArticleId() != 0;
2734 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2735 $wgOut->addHTML(wfMsgWeirdKey ( $this->mTitle
->getText() ) );
2737 $wgOut->addHTML(wfMsg( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon' ) );
2740 $dbr = wfGetDB( DB_SLAVE
);
2742 'wl_title' => $page->getDBkey(),
2743 'wl_namespace' => $page->getNamespace() );
2744 $numwatchers = $dbr->selectField(
2749 $this->getSelectOptions() );
2751 $pageInfo = $this->pageCountInfo( $page );
2752 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
2754 $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
2755 $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
2757 $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
2759 $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
2761 $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
2763 $wgOut->addHTML( '</ul>' );
2769 * Return the total number of edits and number of unique editors
2770 * on a given page. If page does not exist, returns false.
2772 * @param Title $title
2776 function pageCountInfo( $title ) {
2777 $id = $title->getArticleId();
2782 $dbr = wfGetDB( DB_SLAVE
);
2784 $rev_clause = array( 'rev_page' => $id );
2786 $edits = $dbr->selectField(
2791 $this->getSelectOptions() );
2793 $authors = $dbr->selectField(
2795 'COUNT(DISTINCT rev_user_text)',
2798 $this->getSelectOptions() );
2800 return array( 'edits' => $edits, 'authors' => $authors );
2804 * Return a list of templates used by this article.
2805 * Uses the templatelinks table
2807 * @return array Array of Title objects
2809 function getUsedTemplates() {
2811 $id = $this->mTitle
->getArticleID();
2816 $dbr = wfGetDB( DB_SLAVE
);
2817 $res = $dbr->select( array( 'templatelinks' ),
2818 array( 'tl_namespace', 'tl_title' ),
2819 array( 'tl_from' => $id ),
2820 'Article:getUsedTemplates' );
2821 if ( false !== $res ) {
2822 if ( $dbr->numRows( $res ) ) {
2823 while ( $row = $dbr->fetchObject( $res ) ) {
2824 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
2828 $dbr->freeResult( $res );
2833 * Return an auto-generated summary if the text provided is a redirect.
2835 * @param string $text The wikitext to check
2836 * @return string '' or an appropriate summary
2838 public static function getRedirectAutosummary( $text ) {
2839 $rt = Title
::newFromRedirect( $text );
2840 if( is_object( $rt ) )
2841 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
2847 * Return an auto-generated summary if the new text is much shorter than
2850 * @param string $oldtext The previous text of the page
2851 * @param string $text The submitted text of the page
2852 * @return string An appropriate autosummary, or an empty string.
2854 public static function getBlankingAutosummary( $oldtext, $text ) {
2855 if ($oldtext!='' && $text=='') {
2856 return wfMsgForContent('autosumm-blank');
2857 } elseif (strlen($oldtext) > 10 * strlen($text) && strlen($text) < 500) {
2858 #Removing more than 90% of the article
2860 $truncatedtext = $wgContLang->truncate($text, max(0, 200 - strlen(wfMsgForContent('autosumm-replace'))), '...');
2861 return wfMsgForContent('autosumm-replace', $truncatedtext);
2868 * Return an applicable autosummary if one exists for the given edit.
2869 * @param string $oldtext The previous text of the page.
2870 * @param string $newtext The submitted text of the page.
2871 * @param bitmask $flags A bitmask of flags submitted for the edit.
2872 * @return string An appropriate autosummary, or an empty string.
2874 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2876 # This code is UGLY UGLY UGLY.
2877 # Somebody PLEASE come up with a more elegant way to do it.
2879 #Redirect autosummaries
2880 $summary = self
::getRedirectAutosummary( $newtext );
2885 #Blanking autosummaries
2886 if (!($flags & EDIT_NEW
))
2887 $summary = self
::getBlankingAutosummary( $oldtext, $newtext );
2892 #New page autosummaries
2893 if ($flags & EDIT_NEW
&& strlen($newtext)) {
2894 #If they're making a new article, give its text, truncated, in the summary.
2896 $truncatedtext = $wgContLang->truncate(
2897 str_replace("\n", ' ', $newtext),
2898 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new') ) ),
2900 $summary = wfMsgForContent( 'autosumm-new', $truncatedtext );
2910 * Add the primary page-view wikitext to the output buffer
2911 * Saves the text into the parser cache if possible.
2912 * Updates templatelinks if it is out of date.
2914 * @param string $text
2915 * @param bool $cache
2917 public function outputWikiText( $text, $cache = true ) {
2918 global $wgParser, $wgUser, $wgOut;
2920 $popts = $wgOut->parserOptions();
2921 $popts->setTidy(true);
2922 $parserOutput = $wgParser->parse( $text, $this->mTitle
,
2923 $popts, true, true, $this->getRevIdFetched() );
2924 $popts->setTidy(false);
2925 if ( $cache && $this && $parserOutput->getCacheTime() != -1 ) {
2926 $parserCache =& ParserCache
::singleton();
2927 $parserCache->save( $parserOutput, $this, $wgUser );
2930 if ( !wfReadOnly() && $this->mTitle
->areRestrictionsCascading() ) {
2931 // templatelinks table may have become out of sync,
2932 // especially if using variable-based transclusions.
2933 // For paranoia, check if things have changed and if
2934 // so apply updates to the database. This will ensure
2935 // that cascaded protections apply as soon as the changes
2938 # Get templates from templatelinks
2939 $id = $this->mTitle
->getArticleID();
2941 $tlTemplates = array();
2943 $dbr = wfGetDB( DB_SLAVE
);
2944 $res = $dbr->select( array( 'templatelinks' ),
2945 array( 'tl_namespace', 'tl_title' ),
2946 array( 'tl_from' => $id ),
2947 'Article:getUsedTemplates' );
2951 if ( false !== $res ) {
2952 if ( $dbr->numRows( $res ) ) {
2953 while ( $row = $dbr->fetchObject( $res ) ) {
2954 $tlTemplates[] = $wgContLang->getNsText( $row->tl_namespace
) . ':' . $row->tl_title
;
2959 # Get templates from parser output.
2960 $poTemplates_allns = $parserOutput->getTemplates();
2962 $poTemplates = array ();
2963 foreach ( $poTemplates_allns as $ns_templates ) {
2964 $poTemplates = array_merge( $poTemplates, $ns_templates );
2968 $templates_diff = array_diff( $poTemplates, $tlTemplates );
2970 if ( count( $templates_diff ) > 0 ) {
2971 # Whee, link updates time.
2972 $u = new LinksUpdate( $this->mTitle
, $parserOutput );
2974 $dbw = wfGetDb( DB_MASTER
);
2983 $wgOut->addParserOutput( $parserOutput );