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; // !<
29 var $mMinorEdit; // !<
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 = ''; // !<
43 var $mParserOptions; // !<
44 var $mParserOutput; // !<
48 * Constructor and clear the article
49 * @param $title Reference to a Title object.
50 * @param $oldId Integer revision ID, null to fetch from request, zero for current
52 public function __construct( Title
$title, $oldId = null ) {
53 $this->mTitle
=& $title;
54 $this->mOldId
= $oldId;
58 * Constructor from an article article
59 * @param $id The article ID to load
61 public static function newFromID( $id ) {
62 $t = Title
::newFromID( $id );
63 # FIXME: doesn't inherit right
64 return $t == null ?
null : new self( $t );
65 # return $t == null ? null : new static( $t ); // PHP 5.3
69 * Tell the page view functions that this view was redirected
70 * from another page on the wiki.
71 * @param $from Title object.
73 public function setRedirectedFrom( $from ) {
74 $this->mRedirectedFrom
= $from;
78 * If this page is a redirect, get its target
80 * The target will be fetched from the redirect table if possible.
81 * If this page doesn't have an entry there, call insertRedirect()
82 * @return mixed Title object, or null if this page is not a redirect
84 public function getRedirectTarget() {
85 if ( !$this->mTitle ||
!$this->mTitle
->isRedirect() )
87 if ( !is_null( $this->mRedirectTarget
) )
88 return $this->mRedirectTarget
;
89 # Query the redirect table
90 $dbr = wfGetDB( DB_SLAVE
);
91 $row = $dbr->selectRow( 'redirect',
92 array( 'rd_namespace', 'rd_title' ),
93 array( 'rd_from' => $this->getID() ),
97 return $this->mRedirectTarget
= Title
::makeTitle( $row->rd_namespace
, $row->rd_title
);
99 # This page doesn't have an entry in the redirect table
100 return $this->mRedirectTarget
= $this->insertRedirect();
104 * Insert an entry for this page into the redirect table.
106 * Don't call this function directly unless you know what you're doing.
107 * @return Title object
109 public function insertRedirect() {
110 $retval = Title
::newFromRedirect( $this->getContent() );
114 $dbw = wfGetDB( DB_MASTER
);
115 $dbw->replace( 'redirect', array( 'rd_from' ),
117 'rd_from' => $this->getID(),
118 'rd_namespace' => $retval->getNamespace(),
119 'rd_title' => $retval->getDBkey()
127 * Get the Title object this page redirects to
129 * @return mixed false, Title of in-wiki target, or string with URL
131 public function followRedirect() {
132 $text = $this->getContent();
133 return $this->followRedirectText( $text );
137 * Get the Title object this text redirects to
139 * @return mixed false, Title of in-wiki target, or string with URL
141 public function followRedirectText( $text ) {
142 $rt = Title
::newFromRedirectRecurse( $text ); // recurse through to only get the final target
143 # process if title object is valid and not special:userlogout
145 if ( $rt->getInterwiki() != '' ) {
146 if ( $rt->isLocal() ) {
147 // Offsite wikis need an HTTP redirect.
149 // This can be hard to reverse and may produce loops,
150 // so they may be disabled in the site configuration.
151 $source = $this->mTitle
->getFullURL( 'redirect=no' );
152 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
155 if ( $rt->getNamespace() == NS_SPECIAL
) {
156 // Gotta handle redirects to special pages differently:
157 // Fill the HTTP response "Location" header and ignore
158 // the rest of the page we're on.
160 // This can be hard to reverse, so they may be disabled.
161 if ( $rt->isSpecial( 'Userlogout' ) ) {
164 return $rt->getFullURL();
170 // No or invalid redirect
175 * get the title object of the article
177 public function getTitle() {
178 return $this->mTitle
;
185 public function clear() {
186 $this->mDataLoaded
= false;
187 $this->mContentLoaded
= false;
189 $this->mCurID
= $this->mUser
= $this->mCounter
= -1; # Not loaded
190 $this->mRedirectedFrom
= null; # Title object if set
191 $this->mRedirectTarget
= null; # Title object if set
193 $this->mTimestamp
= $this->mComment
= '';
194 $this->mGoodAdjustment
= $this->mTotalAdjustment
= 0;
195 $this->mTouched
= '19700101000000';
196 $this->mForUpdate
= false;
197 $this->mIsRedirect
= false;
198 $this->mRevIdFetched
= 0;
199 $this->mRedirectUrl
= false;
200 $this->mLatest
= false;
201 $this->mPreparedEdit
= false;
205 * Note that getContent/loadContent do not follow redirects anymore.
206 * If you need to fetch redirectable content easily, try
207 * the shortcut in Article::followContent()
209 * @return Return the text of this revision
211 public function getContent() {
212 global $wgUser, $wgContLang, $wgOut, $wgMessageCache;
213 wfProfileIn( __METHOD__
);
214 if ( $this->getID() === 0 ) {
215 # If this is a MediaWiki:x message, then load the messages
216 # and return the message value for x.
217 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
218 # If this is a system message, get the default text.
219 list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle
->getText() ) );
220 $wgMessageCache->loadAllMessages( $lang );
221 $text = wfMsgGetKey( $message, false, $lang, false );
222 if ( wfEmptyMsg( $message, $text ) )
225 $text = wfMsgExt( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon', 'parsemag' );
227 wfProfileOut( __METHOD__
);
230 $this->loadContent();
231 wfProfileOut( __METHOD__
);
232 return $this->mContent
;
237 * Get the text of the current revision. No side-effects...
239 * @return Return the text of the current revision
241 public function getRawText() {
242 // Check process cache for current revision
243 if ( $this->mContentLoaded
&& $this->mOldId
== 0 ) {
244 return $this->mContent
;
246 $rev = Revision
::newFromTitle( $this->mTitle
);
247 $text = $rev ?
$rev->getRawText() : false;
252 * This function returns the text of a section, specified by a number ($section).
253 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
254 * the first section before any such heading (section 0).
256 * If a section contains subsections, these are also returned.
258 * @param $text String: text to look in
259 * @param $section Integer: section number
260 * @return string text of the requested section
263 public function getSection( $text, $section ) {
265 return $wgParser->getSection( $text, $section );
269 * Get the text that needs to be saved in order to undo all revisions
270 * between $undo and $undoafter. Revisions must belong to the same page,
271 * must exist and must not be deleted
272 * @param $undo Revision
273 * @param $undoafter Revision Must be an earlier revision than $undo
274 * @return mixed string on success, false on failure
276 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
277 $undo_text = $undo->getText();
278 $undoafter_text = $undoafter->getText();
279 $cur_text = $this->getContent();
280 if ( $cur_text == $undo_text ) {
281 # No use doing a merge if it's just a straight revert.
282 return $undoafter_text;
285 if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) )
291 * @return int The oldid of the article that is to be shown, 0 for the
294 public function getOldID() {
295 if ( is_null( $this->mOldId
) ) {
296 $this->mOldId
= $this->getOldIDFromRequest();
298 return $this->mOldId
;
302 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
304 * @return int The old id for the request
306 public function getOldIDFromRequest() {
308 $this->mRedirectUrl
= false;
309 $oldid = $wgRequest->getVal( 'oldid' );
310 if ( isset( $oldid ) ) {
311 $oldid = intval( $oldid );
312 if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
313 $nextid = $this->mTitle
->getNextRevisionID( $oldid );
317 $this->mRedirectUrl
= $this->mTitle
->getFullURL( 'redirect=no' );
319 } elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
320 $previd = $this->mTitle
->getPreviousRevisionID( $oldid );
333 * Load the revision (including text) into this object
335 function loadContent() {
336 if ( $this->mContentLoaded
) return;
337 wfProfileIn( __METHOD__
);
339 $oldid = $this->getOldID();
340 # Pre-fill content with error message so that if something
341 # fails we'll have something telling us what we intended.
342 $this->mOldId
= $oldid;
343 $this->fetchContent( $oldid );
344 wfProfileOut( __METHOD__
);
349 * Fetch a page record with the given conditions
350 * @param $dbr Database object
351 * @param $conditions Array
353 protected function pageData( $dbr, $conditions ) {
367 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
368 $row = $dbr->selectRow(
374 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
379 * @param $dbr Database object
380 * @param $title Title object
382 public function pageDataFromTitle( $dbr, $title ) {
383 return $this->pageData( $dbr, array(
384 'page_namespace' => $title->getNamespace(),
385 'page_title' => $title->getDBkey() ) );
389 * @param $dbr Database
392 protected function pageDataFromId( $dbr, $id ) {
393 return $this->pageData( $dbr, array( 'page_id' => $id ) );
397 * Set the general counter, title etc data loaded from
400 * @param $data Database row object or "fromdb"
402 public function loadPageData( $data = 'fromdb' ) {
403 if ( $data === 'fromdb' ) {
404 $dbr = wfGetDB( DB_MASTER
);
405 $data = $this->pageDataFromId( $dbr, $this->getId() );
408 $lc = LinkCache
::singleton();
410 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
, $data->page_len
, $data->page_is_redirect
);
412 $this->mTitle
->mArticleID
= intval( $data->page_id
);
414 # Old-fashioned restrictions
415 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
417 $this->mCounter
= intval( $data->page_counter
);
418 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
419 $this->mIsRedirect
= intval( $data->page_is_redirect
);
420 $this->mLatest
= intval( $data->page_latest
);
422 if ( is_object( $this->mTitle
) ) {
423 $lc->addBadLinkObj( $this->mTitle
);
425 $this->mTitle
->mArticleID
= 0;
428 $this->mDataLoaded
= true;
432 * Get text of an article from database
433 * Does *NOT* follow redirects.
434 * @param $oldid Int: 0 for whatever the latest revision is
437 function fetchContent( $oldid = 0 ) {
438 if ( $this->mContentLoaded
) {
439 return $this->mContent
;
442 $dbr = wfGetDB( DB_MASTER
);
444 # Pre-fill content with error message so that if something
445 # fails we'll have something telling us what we intended.
446 $t = $this->mTitle
->getPrefixedText();
447 $d = $oldid ?
wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
448 $this->mContent
= wfMsgNoTrans( 'missing-article', $t, $d ) ;
451 $revision = Revision
::newFromId( $oldid );
452 if ( is_null( $revision ) ) {
453 wfDebug( __METHOD__
. " failed to retrieve specified revision, id $oldid\n" );
456 $data = $this->pageDataFromId( $dbr, $revision->getPage() );
458 wfDebug( __METHOD__
. " failed to get page data linked to revision id $oldid\n" );
461 $this->mTitle
= Title
::makeTitle( $data->page_namespace
, $data->page_title
);
462 $this->loadPageData( $data );
464 if ( !$this->mDataLoaded
) {
465 $data = $this->pageDataFromTitle( $dbr, $this->mTitle
);
467 wfDebug( __METHOD__
. " failed to find page data for title " . $this->mTitle
->getPrefixedText() . "\n" );
470 $this->loadPageData( $data );
472 $revision = Revision
::newFromId( $this->mLatest
);
473 if ( is_null( $revision ) ) {
474 wfDebug( __METHOD__
. " failed to retrieve current page, rev_id {$this->mLatest}\n" );
479 // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
480 // We should instead work with the Revision object when we need it...
481 $this->mContent
= $revision->getText( Revision
::FOR_THIS_USER
); // Loads if user is allowed
483 $this->mUser
= $revision->getUser();
484 $this->mUserText
= $revision->getUserText();
485 $this->mComment
= $revision->getComment();
486 $this->mTimestamp
= wfTimestamp( TS_MW
, $revision->getTimestamp() );
488 $this->mRevIdFetched
= $revision->getId();
489 $this->mContentLoaded
= true;
490 $this->mRevision
=& $revision;
492 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) ) ;
494 return $this->mContent
;
498 * Read/write accessor to select FOR UPDATE
500 * @param $x Mixed: FIXME
502 public function forUpdate( $x = null ) {
503 return wfSetVar( $this->mForUpdate
, $x );
507 * Get the database which should be used for reads
510 * @deprecated - just call wfGetDB( DB_MASTER ) instead
513 wfDeprecated( __METHOD__
);
514 return wfGetDB( DB_MASTER
);
518 * Get options for all SELECT statements
520 * @param $options Array: an optional options array which'll be appended to
522 * @return Array: options
524 protected function getSelectOptions( $options = '' ) {
525 if ( $this->mForUpdate
) {
526 if ( is_array( $options ) ) {
527 $options[] = 'FOR UPDATE';
529 $options = 'FOR UPDATE';
536 * @return int Page ID
538 public function getID() {
539 if ( $this->mTitle
) {
540 return $this->mTitle
->getArticleID();
547 * @return bool Whether or not the page exists in the database
549 public function exists() {
550 return $this->getId() > 0;
554 * Check if this page is something we're going to be showing
555 * some sort of sensible content for. If we return false, page
556 * views (plain action=view) will return an HTTP 404 response,
557 * so spiders and robots can know they're following a bad link.
561 public function hasViewableContent() {
562 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
566 * @return int The view count for the page
568 public function getCount() {
569 if ( -1 == $this->mCounter
) {
570 $id = $this->getID();
574 $dbr = wfGetDB( DB_SLAVE
);
575 $this->mCounter
= $dbr->selectField( 'page',
577 array( 'page_id' => $id ),
579 $this->getSelectOptions()
583 return $this->mCounter
;
587 * Determine whether a page would be suitable for being counted as an
588 * article in the site_stats table based on the title & its content
590 * @param $text String: text to analyze
593 public function isCountable( $text ) {
594 global $wgUseCommaCount;
596 $token = $wgUseCommaCount ?
',' : '[[';
597 return $this->mTitle
->isContentPage() && !$this->isRedirect( $text ) && in_string( $token, $text );
601 * Tests if the article text represents a redirect
603 * @param $text String: FIXME
606 public function isRedirect( $text = false ) {
607 if ( $text === false ) {
608 if ( $this->mDataLoaded
) {
609 return $this->mIsRedirect
;
611 // Apparently loadPageData was never called
612 $this->loadContent();
613 $titleObj = Title
::newFromRedirectRecurse( $this->fetchContent() );
615 $titleObj = Title
::newFromRedirect( $text );
617 return $titleObj !== null;
621 * Returns true if the currently-referenced revision is the current edit
622 * to this page (and it exists).
625 public function isCurrent() {
626 # If no oldid, this is the current version.
627 if ( $this->getOldID() == 0 ) {
630 return $this->exists() && isset( $this->mRevision
) && $this->mRevision
->isCurrent();
634 * Loads everything except the text
635 * This isn't necessary for all uses, so it's only done if needed.
637 protected function loadLastEdit() {
638 if ( -1 != $this->mUser
)
641 # New or non-existent articles have no user information
642 $id = $this->getID();
643 if ( 0 == $id ) return;
645 $this->mLastRevision
= Revision
::loadFromPageId( wfGetDB( DB_MASTER
), $id );
646 if ( !is_null( $this->mLastRevision
) ) {
647 $this->mUser
= $this->mLastRevision
->getUser();
648 $this->mUserText
= $this->mLastRevision
->getUserText();
649 $this->mTimestamp
= $this->mLastRevision
->getTimestamp();
650 $this->mComment
= $this->mLastRevision
->getComment();
651 $this->mMinorEdit
= $this->mLastRevision
->isMinor();
652 $this->mRevIdFetched
= $this->mLastRevision
->getId();
656 public function getTimestamp() {
657 // Check if the field has been filled by ParserCache::get()
658 if ( !$this->mTimestamp
) {
659 $this->loadLastEdit();
661 return wfTimestamp( TS_MW
, $this->mTimestamp
);
664 public function getUser() {
665 $this->loadLastEdit();
669 public function getUserText() {
670 $this->loadLastEdit();
671 return $this->mUserText
;
674 public function getComment() {
675 $this->loadLastEdit();
676 return $this->mComment
;
679 public function getMinorEdit() {
680 $this->loadLastEdit();
681 return $this->mMinorEdit
;
684 /* Use this to fetch the rev ID used on page views */
685 public function getRevIdFetched() {
686 $this->loadLastEdit();
687 return $this->mRevIdFetched
;
691 * @param $limit Integer: default 0.
692 * @param $offset Integer: default 0.
694 public function getContributors( $limit = 0, $offset = 0 ) {
695 # XXX: this is expensive; cache this info somewhere.
697 $dbr = wfGetDB( DB_SLAVE
);
698 $revTable = $dbr->tableName( 'revision' );
699 $userTable = $dbr->tableName( 'user' );
701 $pageId = $this->getId();
703 $user = $this->getUser();
705 $excludeCond = "AND rev_user != $user";
707 $userText = $dbr->addQuotes( $this->getUserText() );
708 $excludeCond = "AND rev_user_text != $userText";
711 $deletedBit = $dbr->bitAnd( 'rev_deleted', Revision
::DELETED_USER
); // username hidden?
713 $sql = "SELECT {$userTable}.*, rev_user_text as user_name, MAX(rev_timestamp) as timestamp
714 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
715 WHERE rev_page = $pageId
718 GROUP BY rev_user, rev_user_text
719 ORDER BY timestamp DESC";
722 $sql = $dbr->limitResult( $sql, $limit, $offset );
724 $sql .= ' ' . $this->getSelectOptions();
725 $res = $dbr->query( $sql, __METHOD__
);
727 return new UserArrayFromResult( $res );
731 * This is the default action of the index.php entry point: just view the
732 * page of the given title.
734 public function view() {
735 global $wgUser, $wgOut, $wgRequest, $wgContLang;
736 global $wgEnableParserCache, $wgStylePath, $wgParser;
737 global $wgUseTrackbacks, $wgUseFileCache;
739 wfProfileIn( __METHOD__
);
741 # Get variables from query string
742 $oldid = $this->getOldID();
743 $parserCache = ParserCache
::singleton();
745 $parserOptions = clone $this->getParserOptions();
746 # Render printable version, use printable version cache
747 if ( $wgOut->isPrintable() ) {
748 $parserOptions->setIsPrintable( true );
751 # Try client and file cache
752 if ( $oldid === 0 && $this->checkTouched() ) {
755 $wgOut->setETag( $parserCache->getETag( $this, $parserOptions ) );
757 # Is is client cached?
758 if ( $wgOut->checkLastModified( $this->getTouched() ) ) {
759 wfDebug( __METHOD__
. ": done 304\n" );
760 wfProfileOut( __METHOD__
);
763 } else if ( $wgUseFileCache && $this->tryFileCache() ) {
764 wfDebug( __METHOD__
. ": done file cache\n" );
765 # tell wgOut that output is taken care of
767 $this->viewUpdates();
768 wfProfileOut( __METHOD__
);
773 $sk = $wgUser->getSkin();
775 # getOldID may want us to redirect somewhere else
776 if ( $this->mRedirectUrl
) {
777 $wgOut->redirect( $this->mRedirectUrl
);
778 wfDebug( __METHOD__
. ": redirecting due to oldid\n" );
779 wfProfileOut( __METHOD__
);
783 $wgOut->setArticleFlag( true );
784 # Set page title (may be overridden by DISPLAYTITLE)
785 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
787 # If we got diff in the query, we want to see a diff page instead of the article.
788 if ( !is_null( $wgRequest->getVal( 'diff' ) ) ) {
789 wfDebug( __METHOD__
. ": showing diff page\n" );
790 $this->showDiffPage();
791 wfProfileOut( __METHOD__
);
795 # Should the parser cache be used?
796 $useParserCache = $this->useParserCache( $oldid );
797 wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
798 if ( $wgUser->getOption( 'stubthreshold' ) ) {
799 wfIncrStats( 'pcache_miss_stub' );
802 # For the main page, overwrite the <title> element with the con-
803 # tents of 'pagetitle-view-mainpage' instead of the default (if
805 if ( $this->mTitle
->equals( Title
::newMainPage() )
806 && ( $m = wfMsgForContent( 'pagetitle-view-mainpage' ) ) !== '' )
808 $wgOut->setHTMLTitle( $m );
811 $wasRedirected = $this->showRedirectedFromHeader();
812 $this->showNamespaceHeader();
814 # Iterate through the possible ways of constructing the output text.
815 # Keep going until $outputDone is set, or we run out of things to do.
818 while ( !$outputDone && ++
$pass ) {
821 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
825 # Try the parser cache
826 if ( $useParserCache ) {
827 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
828 if ( $this->mParserOutput
!== false ) {
829 wfDebug( __METHOD__
. ": showing parser cache contents\n" );
830 $wgOut->addParserOutput( $this->mParserOutput
);
831 # Ensure that UI elements requiring revision ID have
832 # the correct version information.
833 $wgOut->setRevisionId( $this->mLatest
);
840 $text = $this->getContent();
841 if ( $text === false ||
$this->getID() == 0 ) {
842 wfDebug( __METHOD__
. ": showing missing article\n" );
843 $this->showMissingArticle();
844 wfProfileOut( __METHOD__
);
848 # Another whitelist check in case oldid is altering the title
849 if ( !$this->mTitle
->userCanRead() ) {
850 wfDebug( __METHOD__
. ": denied on secondary read check\n" );
851 $wgOut->loginToUse();
854 wfProfileOut( __METHOD__
);
858 # Are we looking at an old revision
859 if ( $oldid && !is_null( $this->mRevision
) ) {
860 $this->setOldSubtitle( $oldid );
861 if ( !$this->showDeletedRevisionHeader() ) {
862 wfDebug( __METHOD__
. ": cannot view deleted revision\n" );
863 wfProfileOut( __METHOD__
);
866 # If this "old" version is the current, then try the parser cache...
867 if ( $oldid === $this->getLatest() && $this->useParserCache( false ) ) {
868 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
869 if ( $this->mParserOutput
) {
870 wfDebug( __METHOD__
. ": showing parser cache for current rev permalink\n" );
871 $wgOut->addParserOutput( $this->mParserOutput
);
872 $wgOut->setRevisionId( $this->mLatest
);
873 $this->showViewFooter();
874 $this->viewUpdates();
875 wfProfileOut( __METHOD__
);
881 # Ensure that UI elements requiring revision ID have
882 # the correct version information.
883 $wgOut->setRevisionId( $this->getRevIdFetched() );
885 # Pages containing custom CSS or JavaScript get special treatment
886 if ( $this->mTitle
->isCssOrJsPage() ||
$this->mTitle
->isCssJsSubpage() ) {
887 wfDebug( __METHOD__
. ": showing CSS/JS source\n" );
888 $this->showCssOrJsPage();
890 } else if ( $rt = Title
::newFromRedirectArray( $text ) ) {
891 wfDebug( __METHOD__
. ": showing redirect=no page\n" );
892 # Viewing a redirect page (e.g. with parameter redirect=no)
893 # Don't append the subtitle if this was an old revision
894 $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
895 # Parse just to get categories, displaytitle, etc.
896 $this->mParserOutput
= $wgParser->parse( $text, $this->mTitle
, $parserOptions );
897 $wgOut->addParserOutputNoText( $this->mParserOutput
);
903 # Run the parse, protected by a pool counter
904 wfDebug( __METHOD__
. ": doing uncached parse\n" );
905 $key = $parserCache->getKey( $this, $parserOptions );
906 $poolCounter = PoolCounter
::factory( 'Article::view', $key );
907 $dirtyCallback = $useParserCache ?
array( $this, 'tryDirtyCache' ) : false;
908 $status = $poolCounter->executeProtected( array( $this, 'doViewParse' ), $dirtyCallback );
910 if ( !$status->isOK() ) {
911 # Connection or timeout error
912 $this->showPoolError( $status );
913 wfProfileOut( __METHOD__
);
920 # Should be unreachable, but just in case...
926 # Now that we've filled $this->mParserOutput, we know whether
927 # there are any __NOINDEX__ tags on the page
928 $policy = $this->getRobotPolicy( 'view' );
929 $wgOut->setIndexPolicy( $policy['index'] );
930 $wgOut->setFollowPolicy( $policy['follow'] );
932 $this->showViewFooter();
933 $this->viewUpdates();
934 wfProfileOut( __METHOD__
);
938 * Show a diff page according to current request variables. For use within
939 * Article::view() only, other callers should use the DifferenceEngine class.
941 public function showDiffPage() {
942 global $wgOut, $wgRequest, $wgUser;
944 $diff = $wgRequest->getVal( 'diff' );
945 $rcid = $wgRequest->getVal( 'rcid' );
946 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
947 $purge = $wgRequest->getVal( 'action' ) == 'purge';
948 $unhide = $wgRequest->getInt( 'unhide' ) == 1;
949 $oldid = $this->getOldID();
951 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid, $purge, $unhide );
952 // DifferenceEngine directly fetched the revision:
953 $this->mRevIdFetched
= $de->mNewid
;
954 $de->showDiffPage( $diffOnly );
956 // Needed to get the page's current revision
957 $this->loadPageData();
958 if ( $diff == 0 ||
$diff == $this->mLatest
) {
959 # Run view updates for current revision only
960 $this->viewUpdates();
965 * Show a page view for a page formatted as CSS or JavaScript. To be called by
966 * Article::view() only.
968 * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
971 public function showCssOrJsPage() {
973 $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
974 // Give hooks a chance to customise the output
975 if ( wfRunHooks( 'ShowRawCssJs', array( $this->mContent
, $this->mTitle
, $wgOut ) ) ) {
976 // Wrap the whole lot in a <pre> and don't parse
978 preg_match( '!\.(css|js)$!u', $this->mTitle
->getText(), $m );
979 $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
980 $wgOut->addHTML( htmlspecialchars( $this->mContent
) );
981 $wgOut->addHTML( "\n</pre>\n" );
986 * Get the robot policy to be used for the current action=view request.
987 * @return String the policy that should be set
988 * @deprecated use getRobotPolicy() instead, which returns an associative
991 public function getRobotPolicyForView() {
992 wfDeprecated( __FUNC__
);
993 $policy = $this->getRobotPolicy( 'view' );
994 return $policy['index'] . ',' . $policy['follow'];
998 * Get the robot policy to be used for the current view
999 * @param $action String the action= GET parameter
1000 * @return Array the policy that should be set
1001 * TODO: actions other than 'view'
1003 public function getRobotPolicy( $action ) {
1005 global $wgOut, $wgArticleRobotPolicies, $wgNamespaceRobotPolicies;
1006 global $wgDefaultRobotPolicy, $wgRequest;
1008 $ns = $this->mTitle
->getNamespace();
1009 if ( $ns == NS_USER ||
$ns == NS_USER_TALK
) {
1010 # Don't index user and user talk pages for blocked users (bug 11443)
1011 if ( !$this->mTitle
->isSubpage() ) {
1012 $block = new Block();
1013 if ( $block->load( $this->mTitle
->getText() ) ) {
1014 return array( 'index' => 'noindex',
1015 'follow' => 'nofollow' );
1020 if ( $this->getID() === 0 ||
$this->getOldID() ) {
1021 # Non-articles (special pages etc), and old revisions
1022 return array( 'index' => 'noindex',
1023 'follow' => 'nofollow' );
1024 } elseif ( $wgOut->isPrintable() ) {
1025 # Discourage indexing of printable versions, but encourage following
1026 return array( 'index' => 'noindex',
1027 'follow' => 'follow' );
1028 } elseif ( $wgRequest->getInt( 'curid' ) ) {
1029 # For ?curid=x urls, disallow indexing
1030 return array( 'index' => 'noindex',
1031 'follow' => 'follow' );
1034 # Otherwise, construct the policy based on the various config variables.
1035 $policy = self
::formatRobotPolicy( $wgDefaultRobotPolicy );
1037 if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
1038 # Honour customised robot policies for this namespace
1039 $policy = array_merge( $policy,
1040 self
::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] ) );
1042 if ( $this->mTitle
->canUseNoindex() && is_object( $this->mParserOutput
) && $this->mParserOutput
->getIndexPolicy() ) {
1043 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
1044 # a final sanity check that we have really got the parser output.
1045 $policy = array_merge( $policy,
1046 array( 'index' => $this->mParserOutput
->getIndexPolicy() ) );
1049 if ( isset( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) ) {
1050 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
1051 $policy = array_merge( $policy,
1052 self
::formatRobotPolicy( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) );
1060 * Converts a String robot policy into an associative array, to allow
1061 * merging of several policies using array_merge().
1062 * @param $policy Mixed, returns empty array on null/false/'', transparent
1063 * to already-converted arrays, converts String.
1064 * @return associative Array: 'index' => <indexpolicy>, 'follow' => <followpolicy>
1066 public static function formatRobotPolicy( $policy ) {
1067 if ( is_array( $policy ) ) {
1069 } elseif ( !$policy ) {
1073 $policy = explode( ',', $policy );
1074 $policy = array_map( 'trim', $policy );
1077 foreach ( $policy as $var ) {
1078 if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
1079 $arr['index'] = $var;
1080 } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
1081 $arr['follow'] = $var;
1088 * If this request is a redirect view, send "redirected from" subtitle to
1089 * $wgOut. Returns true if the header was needed, false if this is not a
1090 * redirect view. Handles both local and remote redirects.
1092 public function showRedirectedFromHeader() {
1093 global $wgOut, $wgUser, $wgRequest, $wgRedirectSources;
1095 $rdfrom = $wgRequest->getVal( 'rdfrom' );
1096 $sk = $wgUser->getSkin();
1097 if ( isset( $this->mRedirectedFrom
) ) {
1098 // This is an internally redirected page view.
1099 // We'll need a backlink to the source page for navigation.
1100 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
1102 $this->mRedirectedFrom
,
1105 array( 'redirect' => 'no' ),
1106 array( 'known', 'noclasses' )
1108 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
1109 $wgOut->setSubtitle( $s );
1111 // Set the fragment if one was specified in the redirect
1112 if ( strval( $this->mTitle
->getFragment() ) != '' ) {
1113 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
1114 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
1117 // Add a <link rel="canonical"> tag
1118 $wgOut->addLink( array( 'rel' => 'canonical',
1119 'href' => $this->mTitle
->getLocalURL() )
1123 } elseif ( $rdfrom ) {
1124 // This is an externally redirected view, from some other wiki.
1125 // If it was reported from a trusted site, supply a backlink.
1126 if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
1127 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
1128 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
1129 $wgOut->setSubtitle( $s );
1137 * Show a header specific to the namespace currently being viewed, like
1138 * [[MediaWiki:Talkpagetext]]. For Article::view().
1140 public function showNamespaceHeader() {
1142 if ( $this->mTitle
->isTalkPage() ) {
1143 $msg = wfMsgNoTrans( 'talkpageheader' );
1144 if ( $msg !== '-' && !wfEmptyMsg( 'talkpageheader', $msg ) ) {
1145 $wgOut->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1</div>", array( 'talkpageheader' ) );
1151 * Show the footer section of an ordinary page view
1153 public function showViewFooter() {
1154 global $wgOut, $wgUseTrackbacks, $wgRequest;
1155 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1156 if ( $this->mTitle
->getNamespace() == NS_USER_TALK
&& IP
::isValid( $this->mTitle
->getText() ) ) {
1157 $wgOut->addWikiMsg( 'anontalkpagetext' );
1160 # If we have been passed an &rcid= parameter, we want to give the user a
1161 # chance to mark this new article as patrolled.
1162 $this->showPatrolFooter();
1165 if ( $wgUseTrackbacks ) {
1166 $this->addTrackbacks();
1171 * If patrol is possible, output a patrol UI box. This is called from the
1172 * footer section of ordinary page views. If patrol is not possible or not
1173 * desired, does nothing.
1175 public function showPatrolFooter() {
1176 global $wgOut, $wgRequest, $wgUser;
1177 $rcid = $wgRequest->getVal( 'rcid' );
1179 if ( !$rcid ||
!$this->mTitle
->exists() ||
!$this->mTitle
->quickUserCan( 'patrol' ) ) {
1183 $sk = $wgUser->getSkin();
1186 "<div class='patrollink'>" .
1188 'markaspatrolledlink',
1191 wfMsgHtml( 'markaspatrolledtext' ),
1194 'action' => 'markpatrolled',
1197 array( 'known', 'noclasses' )
1205 * Show the error text for a missing article. For articles in the MediaWiki
1206 * namespace, show the default message text. To be called from Article::view().
1208 public function showMissingArticle() {
1209 global $wgOut, $wgRequest, $wgUser;
1211 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1212 if ( $this->mTitle
->getNamespace() == NS_USER ||
$this->mTitle
->getNamespace() == NS_USER_TALK
) {
1213 $parts = explode( '/', $this->mTitle
->getText() );
1214 $rootPart = $parts[0];
1215 $user = User
::newFromName( $rootPart, false /* allow IP users*/ );
1216 $ip = User
::isIP( $rootPart );
1217 if ( !$user->isLoggedIn() && !$ip ) { # User does not exist
1218 $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1</div>",
1219 array( 'userpage-userdoesnotexist-view', $rootPart ) );
1220 } else if ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
1221 LogEventsList
::showLogExtract(
1224 $user->getUserPage()->getPrefixedText(),
1228 'showIfEmpty' => false,
1230 'blocked-notice-logextract',
1231 $user->getName() # Support GENDER in notice
1237 wfRunHooks( 'ShowMissingArticle', array( $this ) );
1238 # Show delete and move logs
1239 LogEventsList
::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle
->getPrefixedText(), '',
1241 'conds' => array( "log_action != 'revision'" ),
1242 'showIfEmpty' => false,
1243 'msgKey' => array( 'moveddeleted-notice' ) )
1246 # Show error message
1247 $oldid = $this->getOldID();
1249 $text = wfMsgNoTrans( 'missing-article',
1250 $this->mTitle
->getPrefixedText(),
1251 wfMsgNoTrans( 'missingarticle-rev', $oldid ) );
1252 } elseif ( $this->mTitle
->getNamespace() === NS_MEDIAWIKI
) {
1253 // Use the default message text
1254 $text = $this->getContent();
1256 # If it is a user (talk) page of the current user, add true as parameter, otherwise false.
1258 if ( ( $this->mTitle
->getNamespace() == NS_USER ||
$this->mTitle
->getNamespace() == NS_USER_TALK
)
1259 && $wgUser->getName() == $this->mTitle
->getBaseText() )
1264 # Don't show option "create this page" in the message if the user isn't allowed to.
1265 $createErrors = $this->mTitle
->getUserPermissionsErrors( 'create', $wgUser );
1266 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser );
1267 $errors = array_merge( $createErrors, $editErrors );
1269 if ( !count( $errors ) )
1270 $text = wfMsgNoTrans( 'noarticletext', $isCurrent );
1272 $text = wfMsgNoTrans( 'noarticletext-nopermission', $isCurrent );
1274 $text = "<div class='noarticletext'>\n$text\n</div>";
1275 if ( !$this->hasViewableContent() ) {
1276 // If there's no backing content, send a 404 Not Found
1277 // for better machine handling of broken links.
1278 $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
1280 $wgOut->addWikiText( $text );
1284 * If the revision requested for view is deleted, check permissions.
1285 * Send either an error message or a warning header to $wgOut.
1286 * Returns true if the view is allowed, false if not.
1288 public function showDeletedRevisionHeader() {
1289 global $wgOut, $wgRequest;
1290 if ( !$this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
1294 // If the user is not allowed to see it...
1295 if ( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
) ) {
1296 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
1297 'rev-deleted-text-permission' );
1299 // If the user needs to confirm that they want to see it...
1300 } else if ( $wgRequest->getInt( 'unhide' ) != 1 ) {
1301 # Give explanation and add a link to view the revision...
1302 $oldid = intval( $this->getOldID() );
1303 $link = $this->mTitle
->getFullUrl( "oldid={$oldid}&unhide=1" );
1304 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1305 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1306 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
1307 array( $msg, $link ) );
1309 // We are allowed to see...
1311 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1312 'rev-suppressed-text-view' : 'rev-deleted-text-view';
1313 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", $msg );
1319 * Should the parser cache be used?
1321 public function useParserCache( $oldid ) {
1322 global $wgUser, $wgEnableParserCache;
1324 return $wgEnableParserCache
1325 && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0
1328 && !$this->mTitle
->isCssOrJsPage()
1329 && !$this->mTitle
->isCssJsSubpage();
1333 * Execute the uncached parse for action=view
1335 public function doViewParse() {
1337 $oldid = $this->getOldID();
1338 $useParserCache = $this->useParserCache( $oldid );
1339 $parserOptions = clone $this->getParserOptions();
1340 # Render printable version, use printable version cache
1341 $parserOptions->setIsPrintable( $wgOut->isPrintable() );
1342 # Don't show section-edit links on old revisions... this way lies madness.
1343 $parserOptions->setEditSection( $this->isCurrent() );
1344 $useParserCache = $this->useParserCache( $oldid );
1345 $this->outputWikiText( $this->getContent(), $useParserCache, $parserOptions );
1349 * Try to fetch an expired entry from the parser cache. If it is present,
1350 * output it and return true. If it is not present, output nothing and
1351 * return false. This is used as a callback function for
1352 * PoolCounter::executeProtected().
1354 public function tryDirtyCache() {
1356 $parserCache = ParserCache
::singleton();
1357 $options = $this->getParserOptions();
1358 $options->setIsPrintable( $wgOut->isPrintable() );
1359 $output = $parserCache->getDirty( $this, $options );
1361 wfDebug( __METHOD__
. ": sending dirty output\n" );
1362 wfDebugLog( 'dirty', "dirty output " . $parserCache->getKey( $this, $options ) . "\n" );
1363 $wgOut->setSquidMaxage( 0 );
1364 $this->mParserOutput
= $output;
1365 $wgOut->addParserOutput( $output );
1366 $wgOut->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
1369 wfDebugLog( 'dirty', "dirty missing\n" );
1370 wfDebug( __METHOD__
. ": no dirty cache\n" );
1376 * Show an error page for an error from the pool counter.
1377 * @param $status Status
1379 public function showPoolError( $status ) {
1381 $wgOut->clearHTML(); // for release() errors
1382 $wgOut->enableClientCache( false );
1383 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1384 $wgOut->addWikiText(
1385 '<div class="errorbox">' .
1386 $status->getWikiText( false, 'view-pool-error' ) .
1393 * @param $target Title object or Array of destination(s) to redirect
1394 * @param $appendSubtitle Boolean [optional]
1395 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1397 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1398 global $wgOut, $wgContLang, $wgStylePath, $wgUser;
1400 if ( !is_array( $target ) ) {
1401 $target = array( $target );
1403 $imageDir = $wgContLang->getDir();
1404 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1405 $imageUrl2 = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1406 $alt2 = $wgContLang->isRTL() ?
'←' : '→'; // should -> and <- be used instead of entities?
1408 if ( $appendSubtitle ) {
1409 $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
1411 $sk = $wgUser->getSkin();
1412 // the loop prepends the arrow image before the link, so the first case needs to be outside
1413 $title = array_shift( $target );
1414 if ( $forceKnown ) {
1417 htmlspecialchars( $title->getFullText() ),
1420 array( 'known', 'noclasses' )
1423 $link = $sk->link( $title, htmlspecialchars( $title->getFullText() ) );
1425 // automatically append redirect=no to each link, since most of them are redirect pages themselves
1426 foreach ( $target as $rt ) {
1427 if ( $forceKnown ) {
1428 $link .= '<img src="' . $imageUrl2 . '" alt="' . $alt2 . ' " />'
1431 htmlspecialchars( $rt->getFullText() ),
1434 array( 'known', 'noclasses' )
1437 $link .= '<img src="' . $imageUrl2 . '" alt="' . $alt2 . ' " />'
1438 . $sk->link( $rt, htmlspecialchars( $rt->getFullText() ) );
1441 return '<img src="' . $imageUrl . '" alt="#REDIRECT " />' .
1442 '<span class="redirectText">' . $link . '</span>';
1446 public function addTrackbacks() {
1447 global $wgOut, $wgUser;
1448 $dbr = wfGetDB( DB_SLAVE
);
1449 $tbs = $dbr->select( 'trackbacks',
1450 array( 'tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name' ),
1451 array( 'tb_page' => $this->getID() )
1453 if ( !$dbr->numRows( $tbs ) ) return;
1456 while ( $o = $dbr->fetchObject( $tbs ) ) {
1458 if ( $wgUser->isAllowed( 'trackback' ) ) {
1459 $delurl = $this->mTitle
->getFullURL( "action=deletetrackback&tbid=" .
1460 $o->tb_id
. "&token=" . urlencode( $wgUser->editToken() ) );
1461 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
1464 $tbtext .= wfMsg( strlen( $o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
1471 $wgOut->wrapWikiMsg( "<div id='mw_trackbacks'>$1</div>\n", array( 'trackbackbox', $tbtext ) );
1472 $this->mTitle
->invalidateCache();
1475 public function deletetrackback() {
1476 global $wgUser, $wgRequest, $wgOut;
1477 if ( !$wgUser->matchEditToken( $wgRequest->getVal( 'token' ) ) ) {
1478 $wgOut->addWikiMsg( 'sessionfailure' );
1482 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
1483 if ( count( $permission_errors ) ) {
1484 $wgOut->showPermissionsErrorPage( $permission_errors );
1488 $db = wfGetDB( DB_MASTER
);
1489 $db->delete( 'trackbacks', array( 'tb_id' => $wgRequest->getInt( 'tbid' ) ) );
1491 $wgOut->addWikiMsg( 'trackbackdeleteok' );
1492 $this->mTitle
->invalidateCache();
1495 public function render() {
1497 $wgOut->setArticleBodyOnly( true );
1502 * Handle action=purge
1504 public function purge() {
1505 global $wgUser, $wgRequest, $wgOut;
1506 if ( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
1507 if ( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
1512 $action = htmlspecialchars( $wgRequest->getRequestURL() );
1513 $button = wfMsgExt( 'confirm_purge_button', array( 'escapenoentities' ) );
1514 $form = "<form method=\"post\" action=\"$action\">\n" .
1515 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
1517 $top = wfMsgExt( 'confirm-purge-top', array( 'parse' ) );
1518 $bottom = wfMsgExt( 'confirm-purge-bottom', array( 'parse' ) );
1519 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
1520 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1521 $wgOut->addHTML( $top . $form . $bottom );
1526 * Perform the actions of a page purging
1528 public function doPurge() {
1530 // Invalidate the cache
1531 $this->mTitle
->invalidateCache();
1533 if ( $wgUseSquid ) {
1534 // Commit the transaction before the purge is sent
1535 $dbw = wfGetDB( DB_MASTER
);
1539 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
1540 $update->doUpdate();
1542 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1543 global $wgMessageCache;
1544 if ( $this->getID() == 0 ) {
1547 $text = $this->getRawText();
1549 $wgMessageCache->replace( $this->mTitle
->getDBkey(), $text );
1554 * Insert a new empty page record for this article.
1555 * This *must* be followed up by creating a revision
1556 * and running $this->updateToLatest( $rev_id );
1557 * or else the record will be left in a funky state.
1558 * Best if all done inside a transaction.
1560 * @param $dbw Database
1561 * @return int The newly created page_id key, or false if the title already existed
1564 public function insertOn( $dbw ) {
1565 wfProfileIn( __METHOD__
);
1567 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
1568 $dbw->insert( 'page', array(
1569 'page_id' => $page_id,
1570 'page_namespace' => $this->mTitle
->getNamespace(),
1571 'page_title' => $this->mTitle
->getDBkey(),
1572 'page_counter' => 0,
1573 'page_restrictions' => '',
1574 'page_is_redirect' => 0, # Will set this shortly...
1576 'page_random' => wfRandom(),
1577 'page_touched' => $dbw->timestamp(),
1578 'page_latest' => 0, # Fill this in shortly...
1579 'page_len' => 0, # Fill this in shortly...
1580 ), __METHOD__
, 'IGNORE' );
1582 $affected = $dbw->affectedRows();
1584 $newid = $dbw->insertId();
1585 $this->mTitle
->resetArticleId( $newid );
1587 wfProfileOut( __METHOD__
);
1588 return $affected ?
$newid : false;
1592 * Update the page record to point to a newly saved revision.
1594 * @param $dbw Database object
1595 * @param $revision Revision: For ID number, and text used to set
1596 length and redirect status fields
1597 * @param $lastRevision Integer: if given, will not overwrite the page field
1598 * when different from the currently set value.
1599 * Giving 0 indicates the new page flag should be set
1601 * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
1602 * removing rows in redirect table.
1603 * @return bool true on success, false on failure
1606 public function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1607 wfProfileIn( __METHOD__
);
1609 $text = $revision->getText();
1610 $rt = Title
::newFromRedirect( $text );
1612 $conditions = array( 'page_id' => $this->getId() );
1613 if ( !is_null( $lastRevision ) ) {
1614 # An extra check against threads stepping on each other
1615 $conditions['page_latest'] = $lastRevision;
1618 $dbw->update( 'page',
1620 'page_latest' => $revision->getId(),
1621 'page_touched' => $dbw->timestamp(),
1622 'page_is_new' => ( $lastRevision === 0 ) ?
1 : 0,
1623 'page_is_redirect' => $rt !== null ?
1 : 0,
1624 'page_len' => strlen( $text ),
1629 $result = $dbw->affectedRows() != 0;
1631 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1634 wfProfileOut( __METHOD__
);
1639 * Add row to the redirect table if this is a redirect, remove otherwise.
1641 * @param $dbw Database
1642 * @param $redirectTitle a title object pointing to the redirect target,
1643 * or NULL if this is not a redirect
1644 * @param $lastRevIsRedirect If given, will optimize adding and
1645 * removing rows in redirect table.
1646 * @return bool true on success, false on failure
1649 public function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1650 // Always update redirects (target link might have changed)
1651 // Update/Insert if we don't know if the last revision was a redirect or not
1652 // Delete if changing from redirect to non-redirect
1653 $isRedirect = !is_null( $redirectTitle );
1654 if ( $isRedirect ||
is_null( $lastRevIsRedirect ) ||
$lastRevIsRedirect !== $isRedirect ) {
1655 wfProfileIn( __METHOD__
);
1656 if ( $isRedirect ) {
1657 // This title is a redirect, Add/Update row in the redirect table
1658 $set = array( /* SET */
1659 'rd_namespace' => $redirectTitle->getNamespace(),
1660 'rd_title' => $redirectTitle->getDBkey(),
1661 'rd_from' => $this->getId(),
1663 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1665 // This is not a redirect, remove row from redirect table
1666 $where = array( 'rd_from' => $this->getId() );
1667 $dbw->delete( 'redirect', $where, __METHOD__
);
1669 if ( $this->getTitle()->getNamespace() == NS_FILE
) {
1670 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1672 wfProfileOut( __METHOD__
);
1673 return ( $dbw->affectedRows() != 0 );
1679 * If the given revision is newer than the currently set page_latest,
1680 * update the page record. Otherwise, do nothing.
1682 * @param $dbw Database object
1683 * @param $revision Revision object
1685 public function updateIfNewerOn( &$dbw, $revision ) {
1686 wfProfileIn( __METHOD__
);
1687 $row = $dbw->selectRow(
1688 array( 'revision', 'page' ),
1689 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1691 'page_id' => $this->getId(),
1692 'page_latest=rev_id' ),
1695 if ( wfTimestamp( TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1696 wfProfileOut( __METHOD__
);
1699 $prev = $row->rev_id
;
1700 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1702 # No or missing previous revision; mark the page as new
1704 $lastRevIsRedirect = null;
1706 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1707 wfProfileOut( __METHOD__
);
1712 * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
1713 * @return string Complete article text, or null if error
1715 public function replaceSection( $section, $text, $summary = '', $edittime = null ) {
1716 wfProfileIn( __METHOD__
);
1717 if ( strval( $section ) == '' ) {
1718 // Whole-page edit; let the whole text through
1720 if ( is_null( $edittime ) ) {
1721 $rev = Revision
::newFromTitle( $this->mTitle
);
1723 $dbw = wfGetDB( DB_MASTER
);
1724 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1727 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1728 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1731 $oldtext = $rev->getText();
1733 if ( $section == 'new' ) {
1734 # Inserting a new section
1735 $subject = $summary ?
wfMsgForContent( 'newsectionheaderdefaultlevel', $summary ) . "\n\n" : '';
1736 $text = strlen( trim( $oldtext ) ) > 0
1737 ?
"{$oldtext}\n\n{$subject}{$text}"
1738 : "{$subject}{$text}";
1740 # Replacing an existing section; roll out the big guns
1742 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1745 wfProfileOut( __METHOD__
);
1750 * This function is not deprecated until somebody fixes the core not to use
1751 * it. Nevertheless, use Article::doEdit() instead.
1753 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC = false, $comment = false, $bot = false ) {
1754 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1755 ( $isminor ? EDIT_MINOR
: 0 ) |
1756 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 ) |
1757 ( $bot ? EDIT_FORCE_BOT
: 0 );
1759 # If this is a comment, add the summary as headline
1760 if ( $comment && $summary != "" ) {
1761 $text = wfMsgForContent( 'newsectionheaderdefaultlevel', $summary ) . "\n\n" . $text;
1764 $this->doEdit( $text, $summary, $flags );
1766 $dbw = wfGetDB( DB_MASTER
);
1768 if ( !$this->mTitle
->userIsWatching() ) {
1774 if ( $this->mTitle
->userIsWatching() ) {
1780 $this->doRedirect( $this->isRedirect( $text ) );
1784 * @deprecated use Article::doEdit()
1786 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1787 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1788 ( $minor ? EDIT_MINOR
: 0 ) |
1789 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1791 $status = $this->doEdit( $text, $summary, $flags );
1792 if ( !$status->isOK() ) {
1796 $dbw = wfGetDB( DB_MASTER
);
1798 if ( !$this->mTitle
->userIsWatching() ) {
1804 if ( $this->mTitle
->userIsWatching() ) {
1811 $extraQuery = ''; // Give extensions a chance to modify URL query on update
1812 wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
1814 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
1821 * Change an existing article or create a new article. Updates RC and all necessary caches,
1822 * optionally via the deferred update array.
1824 * $wgUser must be set before calling this function.
1826 * @param $text String: new text
1827 * @param $summary String: edit summary
1828 * @param $flags Integer bitfield:
1830 * Article is known or assumed to be non-existent, create a new one
1832 * Article is known or assumed to be pre-existing, update it
1834 * Mark this edit minor, if the user is allowed to do so
1836 * Do not log the change in recentchanges
1838 * Mark the edit a "bot" edit regardless of user rights
1839 * EDIT_DEFER_UPDATES
1840 * Defer some of the updates until the end of index.php
1842 * Fill in blank summaries with generated text where possible
1844 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1845 * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
1846 * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
1847 * edit-already-exists error will be returned. These two conditions are also possible with
1848 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1850 * @param $baseRevId the revision ID this edit was based off, if any
1851 * @param $user Optional user object, $wgUser will be used if not passed
1853 * @return Status object. Possible errors:
1854 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
1855 * edit-gone-missing: In update mode, but the article didn't exist
1856 * edit-conflict: In update mode, the article changed unexpectedly
1857 * edit-no-change: Warning that the text was the same as before
1858 * edit-already-exists: In creation mode, but the article already exists
1860 * Extensions may define additional errors.
1862 * $return->value will contain an associative array with members as follows:
1863 * new: Boolean indicating if the function attempted to create a new article
1864 * revision: The revision object for the inserted revision, or null
1866 * Compatibility note: this function previously returned a boolean value indicating success/failure
1868 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1869 global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
1871 # Low-level sanity check
1872 if ( $this->mTitle
->getText() == '' ) {
1873 throw new MWException( 'Something is trying to edit an article with an empty title' );
1876 wfProfileIn( __METHOD__
);
1878 $user = is_null( $user ) ?
$wgUser : $user;
1879 $status = Status
::newGood( array() );
1881 # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
1882 $this->loadPageData();
1884 if ( !( $flags & EDIT_NEW
) && !( $flags & EDIT_UPDATE
) ) {
1885 $aid = $this->mTitle
->getArticleID();
1887 $flags |
= EDIT_UPDATE
;
1893 if ( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
1894 $flags & EDIT_MINOR
, null, null, &$flags, &$status ) ) )
1896 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1897 wfProfileOut( __METHOD__
);
1898 if ( $status->isOK() ) {
1899 $status->fatal( 'edit-hook-aborted' );
1904 # Silently ignore EDIT_MINOR if not allowed
1905 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed( 'minoredit' );
1906 $bot = $flags & EDIT_FORCE_BOT
;
1908 $oldtext = $this->getRawText(); // current revision
1909 $oldsize = strlen( $oldtext );
1911 # Provide autosummaries if one is not provided and autosummaries are enabled.
1912 if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1913 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1916 $editInfo = $this->prepareTextForEdit( $text );
1917 $text = $editInfo->pst
;
1918 $newsize = strlen( $text );
1920 $dbw = wfGetDB( DB_MASTER
);
1921 $now = wfTimestampNow();
1922 $this->mTimestamp
= $now;
1924 if ( $flags & EDIT_UPDATE
) {
1925 # Update article, but only if changed.
1926 $status->value
['new'] = false;
1927 # Make sure the revision is either completely inserted or not inserted at all
1928 if ( !$wgDBtransactions ) {
1929 $userAbort = ignore_user_abort( true );
1934 $changed = ( strcmp( $text, $oldtext ) != 0 );
1937 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1938 - (int)$this->isCountable( $oldtext );
1939 $this->mTotalAdjustment
= 0;
1941 if ( !$this->mLatest
) {
1942 # Article gone missing
1943 wfDebug( __METHOD__
. ": EDIT_UPDATE specified but article doesn't exist\n" );
1944 $status->fatal( 'edit-gone-missing' );
1945 wfProfileOut( __METHOD__
);
1949 $revision = new Revision( array(
1950 'page' => $this->getId(),
1951 'comment' => $summary,
1952 'minor_edit' => $isminor,
1954 'parent_id' => $this->mLatest
,
1955 'user' => $user->getId(),
1956 'user_text' => $user->getName(),
1960 $revisionId = $revision->insertOn( $dbw );
1964 # Note that we use $this->mLatest instead of fetching a value from the master DB
1965 # during the course of this function. This makes sure that EditPage can detect
1966 # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
1967 # before this function is called. A previous function used a separate query, this
1968 # creates a window where concurrent edits can cause an ignored edit conflict.
1969 $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest
);
1972 /* Belated edit conflict! Run away!! */
1973 $status->fatal( 'edit-conflict' );
1974 # Delete the invalid revision if the DB is not transactional
1975 if ( !$wgDBtransactions ) {
1976 $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__
);
1981 global $wgUseRCPatrol;
1982 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, $baseRevId, $user ) );
1983 # Update recentchanges
1984 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1985 # Mark as patrolled if the user can do so
1986 $patrolled = $wgUseRCPatrol && $this->mTitle
->userCan( 'autopatrol' );
1987 # Add RC row to the DB
1988 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1989 $this->mLatest
, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1990 $revisionId, $patrolled
1992 # Log auto-patrolled edits
1994 PatrolLog
::record( $rc, true );
1997 $user->incEditCount();
2001 $status->warning( 'edit-no-change' );
2003 // Keep the same revision ID, but do some updates on it
2004 $revisionId = $this->getRevIdFetched();
2005 // Update page_touched, this is usually implicit in the page update
2006 // Other cache updates are done in onArticleEdit()
2007 $this->mTitle
->invalidateCache();
2010 if ( !$wgDBtransactions ) {
2011 ignore_user_abort( $userAbort );
2013 // Now that ignore_user_abort is restored, we can respond to fatal errors
2014 if ( !$status->isOK() ) {
2015 wfProfileOut( __METHOD__
);
2019 # Invalidate cache of this article and all pages using this article
2020 # as a template. Partly deferred.
2021 Article
::onArticleEdit( $this->mTitle
);
2022 # Update links tables, site stats, etc.
2023 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
2025 # Create new article
2026 $status->value
['new'] = true;
2028 # Set statistics members
2029 # We work out if it's countable after PST to avoid counter drift
2030 # when articles are created with {{subst:}}
2031 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
2032 $this->mTotalAdjustment
= 1;
2036 # Add the page record; stake our claim on this title!
2037 # This will return false if the article already exists
2038 $newid = $this->insertOn( $dbw );
2040 if ( $newid === false ) {
2042 $status->fatal( 'edit-already-exists' );
2043 wfProfileOut( __METHOD__
);
2047 # Save the revision text...
2048 $revision = new Revision( array(
2050 'comment' => $summary,
2051 'minor_edit' => $isminor,
2053 'user' => $user->getId(),
2054 'user_text' => $user->getName(),
2056 $revisionId = $revision->insertOn( $dbw );
2058 $this->mTitle
->resetArticleID( $newid );
2060 # Update the page record with revision data
2061 $this->updateRevisionOn( $dbw, $revision, 0 );
2063 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
2064 # Update recentchanges
2065 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
2066 global $wgUseRCPatrol, $wgUseNPPatrol;
2067 # Mark as patrolled if the user can do so
2068 $patrolled = ( $wgUseRCPatrol ||
$wgUseNPPatrol ) && $this->mTitle
->userCan( 'autopatrol' );
2069 # Add RC row to the DB
2070 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
2071 '', strlen( $text ), $revisionId, $patrolled );
2072 # Log auto-patrolled edits
2074 PatrolLog
::record( $rc, true );
2077 $user->incEditCount();
2080 # Update links, etc.
2081 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
2084 Article
::onArticleCreate( $this->mTitle
);
2086 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
2087 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
2090 # Do updates right now unless deferral was requested
2091 if ( !( $flags & EDIT_DEFER_UPDATES
) ) {
2095 // Return the new revision (or null) to the caller
2096 $status->value
['revision'] = $revision;
2098 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
2099 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId ) );
2101 wfProfileOut( __METHOD__
);
2106 * @deprecated wrapper for doRedirect
2108 public function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
2109 wfDeprecated( __METHOD__
);
2110 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
2114 * Output a redirect back to the article.
2115 * This is typically used after an edit.
2117 * @param $noRedir Boolean: add redirect=no
2118 * @param $sectionAnchor String: section to redirect to, including "#"
2119 * @param $extraQuery String: extra query params
2121 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
2124 $query = 'redirect=no';
2126 $query .= "&$query";
2128 $query = $extraQuery;
2130 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
2134 * Mark this particular edit/page as patrolled
2136 public function markpatrolled() {
2137 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser;
2138 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2140 # If we haven't been given an rc_id value, we can't do anything
2141 $rcid = (int) $wgRequest->getVal( 'rcid' );
2142 $rc = RecentChange
::newFromId( $rcid );
2143 if ( is_null( $rc ) ) {
2144 $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
2148 # It would be nice to see where the user had actually come from, but for now just guess
2149 $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ?
'Newpages' : 'Recentchanges';
2150 $return = SpecialPage
::getTitleFor( $returnto );
2152 $dbw = wfGetDB( DB_MASTER
);
2153 $errors = $rc->doMarkPatrolled();
2155 if ( in_array( array( 'rcpatroldisabled' ), $errors ) ) {
2156 $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
2160 if ( in_array( array( 'hookaborted' ), $errors ) ) {
2161 // The hook itself has handled any output
2165 if ( in_array( array( 'markedaspatrollederror-noautopatrol' ), $errors ) ) {
2166 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
2167 $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' );
2168 $wgOut->returnToMain( false, $return );
2172 if ( !empty( $errors ) ) {
2173 $wgOut->showPermissionsErrorPage( $errors );
2178 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
2179 $wgOut->addWikiMsg( 'markedaspatrolledtext', $rc->getTitle()->getPrefixedText() );
2180 $wgOut->returnToMain( false, $return );
2184 * User-interface handler for the "watch" action
2186 public function watch() {
2187 global $wgUser, $wgOut;
2188 if ( $wgUser->isAnon() ) {
2189 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
2192 if ( wfReadOnly() ) {
2193 $wgOut->readOnlyPage();
2196 if ( $this->doWatch() ) {
2197 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
2198 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2199 $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle
->getPrefixedText() );
2201 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
2205 * Add this page to $wgUser's watchlist
2206 * @return bool true on successful watch operation
2208 public function doWatch() {
2210 if ( $wgUser->isAnon() ) {
2213 if ( wfRunHooks( 'WatchArticle', array( &$wgUser, &$this ) ) ) {
2214 $wgUser->addWatch( $this->mTitle
);
2215 return wfRunHooks( 'WatchArticleComplete', array( &$wgUser, &$this ) );
2221 * User interface handler for the "unwatch" action.
2223 public function unwatch() {
2224 global $wgUser, $wgOut;
2225 if ( $wgUser->isAnon() ) {
2226 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
2229 if ( wfReadOnly() ) {
2230 $wgOut->readOnlyPage();
2233 if ( $this->doUnwatch() ) {
2234 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
2235 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2236 $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle
->getPrefixedText() );
2238 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
2242 * Stop watching a page
2243 * @return bool true on successful unwatch
2245 public function doUnwatch() {
2247 if ( $wgUser->isAnon() ) {
2250 if ( wfRunHooks( 'UnwatchArticle', array( &$wgUser, &$this ) ) ) {
2251 $wgUser->removeWatch( $this->mTitle
);
2252 return wfRunHooks( 'UnwatchArticleComplete', array( &$wgUser, &$this ) );
2258 * action=protect handler
2260 public function protect() {
2261 $form = new ProtectionForm( $this );
2266 * action=unprotect handler (alias)
2268 public function unprotect() {
2273 * Update the article's restriction field, and leave a log entry.
2275 * @param $limit Array: set of restriction keys
2276 * @param $reason String
2277 * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
2278 * @param $expiry Array: per restriction type expiration
2279 * @return bool true on success
2281 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
2282 global $wgUser, $wgContLang;
2284 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
2286 $id = $this->mTitle
->getArticleID();
2288 wfDebug( "updateRestrictions failed: $id <= 0\n" );
2292 if ( wfReadOnly() ) {
2293 wfDebug( "updateRestrictions failed: read-only\n" );
2297 if ( !$this->mTitle
->userCan( 'protect' ) ) {
2298 wfDebug( "updateRestrictions failed: insufficient permissions\n" );
2306 // Take this opportunity to purge out expired restrictions
2307 Title
::purgeExpiredRestrictions();
2309 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
2310 # we expect a single selection, but the schema allows otherwise.
2312 $updated = Article
::flattenRestrictions( $limit );
2314 foreach ( $restrictionTypes as $action ) {
2315 if ( isset( $expiry[$action] ) ) {
2316 # Get current restrictions on $action
2317 $aLimits = $this->mTitle
->getRestrictions( $action );
2318 $current[$action] = implode( '', $aLimits );
2319 # Are any actual restrictions being dealt with here?
2320 $aRChanged = count( $aLimits ) ||
!empty( $limit[$action] );
2321 # If something changed, we need to log it. Checking $aRChanged
2322 # assures that "unprotecting" a page that is not protected does
2323 # not log just because the expiry was "changed".
2324 if ( $aRChanged && $this->mTitle
->mRestrictionsExpiry
[$action] != $expiry[$action] ) {
2330 $current = Article
::flattenRestrictions( $current );
2332 $changed = ( $changed ||
$current != $updated );
2333 $changed = $changed ||
( $updated && $this->mTitle
->areRestrictionsCascading() != $cascade );
2334 $protect = ( $updated != '' );
2336 # If nothing's changed, do nothing
2338 if ( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
2340 $dbw = wfGetDB( DB_MASTER
);
2342 # Prepare a null revision to be added to the history
2343 $modified = $current != '' && $protect;
2345 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
2347 $comment_type = 'unprotectedarticle';
2349 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
2351 # Only restrictions with the 'protect' right can cascade...
2352 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
2353 $editrestriction = isset( $limit['edit'] ) ?
array( $limit['edit'] ) : $this->mTitle
->getRestrictions( 'edit' );
2354 # The schema allows multiple restrictions
2355 if ( !in_array( 'protect', $editrestriction ) && !in_array( 'sysop', $editrestriction ) )
2357 $cascade_description = '';
2359 $cascade_description = ' [' . wfMsgForContent( 'protect-summary-cascade' ) . ']';
2363 $comment .= ": $reason";
2365 $editComment = $comment;
2366 $encodedExpiry = array();
2367 $protect_description = '';
2368 foreach ( $limit as $action => $restrictions ) {
2369 if ( !isset( $expiry[$action] ) )
2370 $expiry[$action] = 'infinite';
2372 $encodedExpiry[$action] = Block
::encodeExpiry( $expiry[$action], $dbw );
2373 if ( $restrictions != '' ) {
2374 $protect_description .= "[$action=$restrictions] (";
2375 if ( $encodedExpiry[$action] != 'infinity' ) {
2376 $protect_description .= wfMsgForContent( 'protect-expiring',
2377 $wgContLang->timeanddate( $expiry[$action], false, false ) ,
2378 $wgContLang->date( $expiry[$action], false, false ) ,
2379 $wgContLang->time( $expiry[$action], false, false ) );
2381 $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
2383 $protect_description .= ') ';
2386 $protect_description = trim( $protect_description );
2388 if ( $protect_description && $protect )
2389 $editComment .= " ($protect_description)";
2391 $editComment .= "$cascade_description";
2392 # Update restrictions table
2393 foreach ( $limit as $action => $restrictions ) {
2394 if ( $restrictions != '' ) {
2395 $dbw->replace( 'page_restrictions', array( array( 'pr_page', 'pr_type' ) ),
2396 array( 'pr_page' => $id,
2397 'pr_type' => $action,
2398 'pr_level' => $restrictions,
2399 'pr_cascade' => ( $cascade && $action == 'edit' ) ?
1 : 0,
2400 'pr_expiry' => $encodedExpiry[$action] ), __METHOD__
);
2402 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
2403 'pr_type' => $action ), __METHOD__
);
2407 # Insert a null revision
2408 $nullRevision = Revision
::newNullRevision( $dbw, $id, $editComment, true );
2409 $nullRevId = $nullRevision->insertOn( $dbw );
2411 $latest = $this->getLatest();
2412 # Update page record
2413 $dbw->update( 'page',
2415 'page_touched' => $dbw->timestamp(),
2416 'page_restrictions' => '',
2417 'page_latest' => $nullRevId
2418 ), array( /* WHERE */
2420 ), 'Article::protect'
2423 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $nullRevision, $latest, $wgUser ) );
2424 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
2426 # Update the protection log
2427 $log = new LogPage( 'protect' );
2429 $params = array( $protect_description, $cascade ?
'cascade' : '' );
2430 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason ), $params );
2432 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
2436 } # End "changed" check
2442 * Take an array of page restrictions and flatten it to a string
2443 * suitable for insertion into the page_restrictions field.
2444 * @param $limit Array
2447 protected static function flattenRestrictions( $limit ) {
2448 if ( !is_array( $limit ) ) {
2449 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
2453 foreach ( $limit as $action => $restrictions ) {
2454 if ( $restrictions != '' ) {
2455 $bits[] = "$action=$restrictions";
2458 return implode( ':', $bits );
2462 * Auto-generates a deletion reason
2463 * @param &$hasHistory Boolean: whether the page has a history
2465 public function generateReason( &$hasHistory ) {
2467 $dbw = wfGetDB( DB_MASTER
);
2468 // Get the last revision
2469 $rev = Revision
::newFromTitle( $this->mTitle
);
2470 if ( is_null( $rev ) )
2473 // Get the article's contents
2474 $contents = $rev->getText();
2476 // If the page is blank, use the text from the previous revision,
2477 // which can only be blank if there's a move/import/protect dummy revision involved
2478 if ( $contents == '' ) {
2479 $prev = $rev->getPrevious();
2481 $contents = $prev->getText();
2486 // Find out if there was only one contributor
2487 // Only scan the last 20 revisions
2488 $res = $dbw->select( 'revision', 'rev_user_text',
2489 array( 'rev_page' => $this->getID(), $dbw->bitAnd( 'rev_deleted', Revision
::DELETED_USER
) . ' = 0' ),
2491 array( 'LIMIT' => 20 )
2493 if ( $res === false )
2494 // This page has no revisions, which is very weird
2497 $hasHistory = ( $res->numRows() > 1 );
2498 $row = $dbw->fetchObject( $res );
2499 $onlyAuthor = $row->rev_user_text
;
2500 // Try to find a second contributor
2501 foreach ( $res as $row ) {
2502 if ( $row->rev_user_text
!= $onlyAuthor ) {
2503 $onlyAuthor = false;
2507 $dbw->freeResult( $res );
2509 // Generate the summary with a '$1' placeholder
2511 // The current revision is blank and the one before is also
2512 // blank. It's just not our lucky day
2513 $reason = wfMsgForContent( 'exbeforeblank', '$1' );
2516 $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
2518 $reason = wfMsgForContent( 'excontent', '$1' );
2521 if ( $reason == '-' ) {
2522 // Allow these UI messages to be blanked out cleanly
2526 // Replace newlines with spaces to prevent uglyness
2527 $contents = preg_replace( "/[\n\r]/", ' ', $contents );
2528 // Calculate the maximum amount of chars to get
2529 // Max content length = max comment length - length of the comment (excl. $1) - '...'
2530 $maxLength = 255 - ( strlen( $reason ) - 2 ) - 3;
2531 $contents = $wgContLang->truncate( $contents, $maxLength );
2532 // Remove possible unfinished links
2533 $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
2534 // Now replace the '$1' placeholder
2535 $reason = str_replace( '$1', $contents, $reason );
2541 * UI entry point for page deletion
2543 public function delete() {
2544 global $wgUser, $wgOut, $wgRequest;
2546 $confirm = $wgRequest->wasPosted() &&
2547 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
2549 $this->DeleteReasonList
= $wgRequest->getText( 'wpDeleteReasonList', 'other' );
2550 $this->DeleteReason
= $wgRequest->getText( 'wpReason' );
2552 $reason = $this->DeleteReasonList
;
2554 if ( $reason != 'other' && $this->DeleteReason
!= '' ) {
2555 // Entry from drop down menu + additional comment
2556 $reason .= wfMsgForContent( 'colon-separator' ) . $this->DeleteReason
;
2557 } elseif ( $reason == 'other' ) {
2558 $reason = $this->DeleteReason
;
2560 # Flag to hide all contents of the archived revisions
2561 $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' );
2563 # This code desperately needs to be totally rewritten
2565 # Read-only check...
2566 if ( wfReadOnly() ) {
2567 $wgOut->readOnlyPage();
2572 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
2574 if ( count( $permission_errors ) > 0 ) {
2575 $wgOut->showPermissionsErrorPage( $permission_errors );
2579 $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle
->getPrefixedText() ) );
2581 # Better double-check that it hasn't been deleted yet!
2582 $dbw = wfGetDB( DB_MASTER
);
2583 $conds = $this->mTitle
->pageCond();
2584 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
2585 if ( $latest === false ) {
2586 $wgOut->showFatalError(
2589 array( 'class' => 'error mw-error-cannotdelete' ),
2590 wfMsgExt( 'cannotdelete', array( 'parse' ), $this->mTitle
->getPrefixedText() )
2593 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2594 LogEventsList
::showLogExtract(
2597 $this->mTitle
->getPrefixedText()
2602 # Hack for big sites
2603 $bigHistory = $this->isBigDeletion();
2604 if ( $bigHistory && !$this->mTitle
->userCan( 'bigdelete' ) ) {
2605 global $wgLang, $wgDeleteRevisionsLimit;
2606 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2607 array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2612 $this->doDelete( $reason, $suppress );
2613 if ( $wgRequest->getCheck( 'wpWatch' ) && $wgUser->isLoggedIn() ) {
2615 } elseif ( $this->mTitle
->userIsWatching() ) {
2621 // Generate deletion reason
2622 $hasHistory = false;
2623 if ( !$reason ) $reason = $this->generateReason( $hasHistory );
2625 // If the page has a history, insert a warning
2626 if ( $hasHistory && !$confirm ) {
2628 $skin = $wgUser->getSkin();
2629 $revisions = $this->estimateRevisionCount();
2630 $wgOut->addHTML( '<strong class="mw-delete-warning-revisions">' .
2631 wfMsgExt( 'historywarning', array( 'parseinline' ), $wgLang->formatNum( $revisions ) ) .
2632 wfMsgHtml( 'word-separator' ) . $skin->historyLink() .
2635 if ( $bigHistory ) {
2636 global $wgDeleteRevisionsLimit;
2637 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2638 array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2642 return $this->confirmDelete( $reason );
2646 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
2648 public function isBigDeletion() {
2649 global $wgDeleteRevisionsLimit;
2650 if ( $wgDeleteRevisionsLimit ) {
2651 $revCount = $this->estimateRevisionCount();
2652 return $revCount > $wgDeleteRevisionsLimit;
2658 * @return int approximate revision count
2660 public function estimateRevisionCount() {
2661 $dbr = wfGetDB( DB_SLAVE
);
2662 // For an exact count...
2663 // return $dbr->selectField( 'revision', 'COUNT(*)',
2664 // array( 'rev_page' => $this->getId() ), __METHOD__ );
2665 return $dbr->estimateRowCount( 'revision', '*',
2666 array( 'rev_page' => $this->getId() ), __METHOD__
);
2670 * Get the last N authors
2671 * @param $num Integer: number of revisions to get
2672 * @param $revLatest String: the latest rev_id, selected from the master (optional)
2673 * @return array Array of authors, duplicates not removed
2675 public function getLastNAuthors( $num, $revLatest = 0 ) {
2676 wfProfileIn( __METHOD__
);
2677 // First try the slave
2678 // If that doesn't have the latest revision, try the master
2680 $db = wfGetDB( DB_SLAVE
);
2682 $res = $db->select( array( 'page', 'revision' ),
2683 array( 'rev_id', 'rev_user_text' ),
2685 'page_namespace' => $this->mTitle
->getNamespace(),
2686 'page_title' => $this->mTitle
->getDBkey(),
2687 'rev_page = page_id'
2688 ), __METHOD__
, $this->getSelectOptions( array(
2689 'ORDER BY' => 'rev_timestamp DESC',
2694 wfProfileOut( __METHOD__
);
2697 $row = $db->fetchObject( $res );
2698 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
2699 $db = wfGetDB( DB_MASTER
);
2704 } while ( $continue );
2706 $authors = array( $row->rev_user_text
);
2707 while ( $row = $db->fetchObject( $res ) ) {
2708 $authors[] = $row->rev_user_text
;
2710 wfProfileOut( __METHOD__
);
2715 * Output deletion confirmation dialog
2716 * @param $reason String: prefilled reason
2718 public function confirmDelete( $reason ) {
2719 global $wgOut, $wgUser;
2721 wfDebug( "Article::confirmDelete\n" );
2723 $deleteBackLink = $wgUser->getSkin()->link(
2728 array( 'known', 'noclasses' )
2730 $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $deleteBackLink ) );
2731 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2732 $wgOut->addWikiMsg( 'confirmdeletetext' );
2734 wfRunHooks( 'ArticleConfirmDelete', array( $this, $wgOut, &$reason ) );
2736 if ( $wgUser->isAllowed( 'suppressrevision' ) ) {
2737 $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\">
2739 <td class='mw-input'><strong>" .
2740 Xml
::checkLabel( wfMsg( 'revdelete-suppress' ),
2741 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
2747 $checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching();
2749 $form = Xml
::openElement( 'form', array( 'method' => 'post',
2750 'action' => $this->mTitle
->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
2751 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
2752 Xml
::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) .
2753 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
2754 "<tr id=\"wpDeleteReasonListRow\">
2755 <td class='mw-label'>" .
2756 Xml
::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
2758 <td class='mw-input'>" .
2759 Xml
::listDropDown( 'wpDeleteReasonList',
2760 wfMsgForContent( 'deletereason-dropdown' ),
2761 wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
2764 <tr id=\"wpDeleteReasonRow\">
2765 <td class='mw-label'>" .
2766 Xml
::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
2768 <td class='mw-input'>" .
2769 Html
::input( 'wpReason', $reason, 'text', array(
2771 'maxlength' => '255',
2778 # Dissalow watching is user is not logged in
2779 if ( $wgUser->isLoggedIn() ) {
2783 <td class='mw-input'>" .
2784 Xml
::checkLabel( wfMsg( 'watchthis' ),
2785 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
2793 <td class='mw-submit'>" .
2794 Xml
::submitButton( wfMsg( 'deletepage' ),
2795 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
2798 Xml
::closeElement( 'table' ) .
2799 Xml
::closeElement( 'fieldset' ) .
2800 Xml
::hidden( 'wpEditToken', $wgUser->editToken() ) .
2801 Xml
::closeElement( 'form' );
2803 if ( $wgUser->isAllowed( 'editinterface' ) ) {
2804 $skin = $wgUser->getSkin();
2805 $title = Title
::makeTitle( NS_MEDIAWIKI
, 'Deletereason-dropdown' );
2806 $link = $skin->link(
2808 wfMsgHtml( 'delete-edit-reasonlist' ),
2810 array( 'action' => 'edit' )
2812 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
2815 $wgOut->addHTML( $form );
2816 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2817 LogEventsList
::showLogExtract(
2820 $this->mTitle
->getPrefixedText()
2825 * Perform a deletion and output success or failure messages
2827 public function doDelete( $reason, $suppress = false ) {
2828 global $wgOut, $wgUser;
2829 $id = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2832 if ( wfRunHooks( 'ArticleDelete', array( &$this, &$wgUser, &$reason, &$error ) ) ) {
2833 if ( $this->doDeleteArticle( $reason, $suppress, $id ) ) {
2834 $deleted = $this->mTitle
->getPrefixedText();
2836 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2837 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2839 $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
2841 $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink );
2842 $wgOut->returnToMain( false );
2843 wfRunHooks( 'ArticleDeleteComplete', array( &$this, &$wgUser, $reason, $id ) );
2846 if ( $error == '' ) {
2847 $wgOut->showFatalError(
2850 array( 'class' => 'error mw-error-cannotdelete' ),
2851 wfMsgExt( 'cannotdelete', array( 'parse' ), $this->mTitle
->getPrefixedText() )
2854 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2855 LogEventsList
::showLogExtract(
2858 $this->mTitle
->getPrefixedText()
2861 $wgOut->showFatalError( $error );
2867 * Back-end article deletion
2868 * Deletes the article with database consistency, writes logs, purges caches
2871 public function doDeleteArticle( $reason, $suppress = false, $id = 0, $commit = true ) {
2872 global $wgUseSquid, $wgDeferredUpdateList;
2873 global $wgUseTrackbacks;
2875 wfDebug( __METHOD__
. "\n" );
2877 $dbw = wfGetDB( DB_MASTER
);
2878 $ns = $this->mTitle
->getNamespace();
2879 $t = $this->mTitle
->getDBkey();
2880 $id = $id ?
$id : $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2882 if ( $t == '' ||
$id == 0 ) {
2886 $u = new SiteStatsUpdate( 0, 1, - (int)$this->isCountable( $this->getRawText() ), -1 );
2887 array_push( $wgDeferredUpdateList, $u );
2889 // Bitfields to further suppress the content
2892 // This should be 15...
2893 $bitfield |
= Revision
::DELETED_TEXT
;
2894 $bitfield |
= Revision
::DELETED_COMMENT
;
2895 $bitfield |
= Revision
::DELETED_USER
;
2896 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2898 $bitfield = 'rev_deleted';
2902 // For now, shunt the revision data into the archive table.
2903 // Text is *not* removed from the text table; bulk storage
2904 // is left intact to avoid breaking block-compression or
2905 // immutable storage schemes.
2907 // For backwards compatibility, note that some older archive
2908 // table entries will have ar_text and ar_flags fields still.
2910 // In the future, we may keep revisions and mark them with
2911 // the rev_deleted field, which is reserved for this purpose.
2912 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2914 'ar_namespace' => 'page_namespace',
2915 'ar_title' => 'page_title',
2916 'ar_comment' => 'rev_comment',
2917 'ar_user' => 'rev_user',
2918 'ar_user_text' => 'rev_user_text',
2919 'ar_timestamp' => 'rev_timestamp',
2920 'ar_minor_edit' => 'rev_minor_edit',
2921 'ar_rev_id' => 'rev_id',
2922 'ar_text_id' => 'rev_text_id',
2923 'ar_text' => '\'\'', // Be explicit to appease
2924 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2925 'ar_len' => 'rev_len',
2926 'ar_page_id' => 'page_id',
2927 'ar_deleted' => $bitfield
2930 'page_id = rev_page'
2934 # Delete restrictions for it
2935 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2937 # Now that it's safely backed up, delete it
2938 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2939 $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
2945 # Fix category table counts
2947 $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__
);
2948 foreach ( $res as $row ) {
2949 $cats [] = $row->cl_to
;
2951 $this->updateCategoryCounts( array(), $cats );
2953 # If using cascading deletes, we can skip some explicit deletes
2954 if ( !$dbw->cascadingDeletes() ) {
2955 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2957 if ( $wgUseTrackbacks )
2958 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2960 # Delete outgoing links
2961 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2962 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2963 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2964 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2965 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2966 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2967 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2970 # If using cleanup triggers, we can skip some manual deletes
2971 if ( !$dbw->cleanupTriggers() ) {
2972 # Clean up recentchanges entries...
2973 $dbw->delete( 'recentchanges',
2974 array( 'rc_type != ' . RC_LOG
,
2975 'rc_namespace' => $this->mTitle
->getNamespace(),
2976 'rc_title' => $this->mTitle
->getDBkey() ),
2978 $dbw->delete( 'recentchanges',
2979 array( 'rc_type != ' . RC_LOG
, 'rc_cur_id' => $id ),
2984 Article
::onArticleDelete( $this->mTitle
);
2986 # Clear the cached article id so the interface doesn't act like we exist
2987 $this->mTitle
->resetArticleID( 0 );
2989 # Log the deletion, if the page was suppressed, log it at Oversight instead
2990 $logtype = $suppress ?
'suppress' : 'delete';
2991 $log = new LogPage( $logtype );
2993 # Make sure logging got through
2994 $log->addEntry( 'delete', $this->mTitle
, $reason, array() );
3004 * Roll back the most recent consecutive set of edits to a page
3005 * from the same user; fails if there are no eligible edits to
3006 * roll back to, e.g. user is the sole contributor. This function
3007 * performs permissions checks on $wgUser, then calls commitRollback()
3008 * to do the dirty work
3010 * @param $fromP String: Name of the user whose edits to rollback.
3011 * @param $summary String: Custom summary. Set to default summary if empty.
3012 * @param $token String: Rollback token.
3013 * @param $bot Boolean: If true, mark all reverted edits as bot.
3015 * @param $resultDetails Array: contains result-specific array of additional values
3016 * 'alreadyrolled' : 'current' (rev)
3017 * success : 'summary' (str), 'current' (rev), 'target' (rev)
3019 * @return array of errors, each error formatted as
3020 * array(messagekey, param1, param2, ...).
3021 * On success, the array is empty. This array can also be passed to
3022 * OutputPage::showPermissionsErrorPage().
3024 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) {
3026 $resultDetails = null;
3029 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser );
3030 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $wgUser );
3031 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
3033 if ( !$wgUser->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) )
3034 $errors[] = array( 'sessionfailure' );
3036 if ( $wgUser->pingLimiter( 'rollback' ) ||
$wgUser->pingLimiter() ) {
3037 $errors[] = array( 'actionthrottledtext' );
3039 # If there were errors, bail out now
3040 if ( !empty( $errors ) )
3043 return $this->commitRollback( $fromP, $summary, $bot, $resultDetails );
3047 * Backend implementation of doRollback(), please refer there for parameter
3048 * and return value documentation
3050 * NOTE: This function does NOT check ANY permissions, it just commits the
3051 * rollback to the DB Therefore, you should only call this function direct-
3052 * ly if you want to use custom permissions checks. If you don't, use
3053 * doRollback() instead.
3055 public function commitRollback( $fromP, $summary, $bot, &$resultDetails ) {
3056 global $wgUseRCPatrol, $wgUser, $wgLang;
3057 $dbw = wfGetDB( DB_MASTER
);
3059 if ( wfReadOnly() ) {
3060 return array( array( 'readonlytext' ) );
3063 # Get the last editor
3064 $current = Revision
::newFromTitle( $this->mTitle
);
3065 if ( is_null( $current ) ) {
3066 # Something wrong... no page?
3067 return array( array( 'notanarticle' ) );
3070 $from = str_replace( '_', ' ', $fromP );
3071 # User name given should match up with the top revision.
3072 # If the user was deleted then $from should be empty.
3073 if ( $from != $current->getUserText() ) {
3074 $resultDetails = array( 'current' => $current );
3075 return array( array( 'alreadyrolled',
3076 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3077 htmlspecialchars( $fromP ),
3078 htmlspecialchars( $current->getUserText() )
3082 # Get the last edit not by this guy...
3083 # Note: these may not be public values
3084 $user = intval( $current->getRawUser() );
3085 $user_text = $dbw->addQuotes( $current->getRawUserText() );
3086 $s = $dbw->selectRow( 'revision',
3087 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
3088 array( 'rev_page' => $current->getPage(),
3089 "rev_user != {$user} OR rev_user_text != {$user_text}"
3091 array( 'USE INDEX' => 'page_timestamp',
3092 'ORDER BY' => 'rev_timestamp DESC' )
3094 if ( $s === false ) {
3095 # No one else ever edited this page
3096 return array( array( 'cantrollback' ) );
3097 } else if ( $s->rev_deleted
& REVISION
::DELETED_TEXT ||
$s->rev_deleted
& REVISION
::DELETED_USER
) {
3098 # Only admins can see this text
3099 return array( array( 'notvisiblerev' ) );
3103 if ( $bot && $wgUser->isAllowed( 'markbotedits' ) ) {
3104 # Mark all reverted edits as bot
3107 if ( $wgUseRCPatrol ) {
3108 # Mark all reverted edits as patrolled
3109 $set['rc_patrolled'] = 1;
3112 if ( count( $set ) ) {
3113 $dbw->update( 'recentchanges', $set,
3115 'rc_cur_id' => $current->getPage(),
3116 'rc_user_text' => $current->getUserText(),
3117 "rc_timestamp > '{$s->rev_timestamp}'",
3122 # Generate the edit summary if necessary
3123 $target = Revision
::newFromId( $s->rev_id
);
3124 if ( empty( $summary ) ) {
3125 if ( $from == '' ) { // no public user name
3126 $summary = wfMsgForContent( 'revertpage-nouser' );
3128 $summary = wfMsgForContent( 'revertpage' );
3132 # Allow the custom summary to use the same args as the default message
3134 $target->getUserText(), $from, $s->rev_id
,
3135 $wgLang->timeanddate( wfTimestamp( TS_MW
, $s->rev_timestamp
), true ),
3136 $current->getId(), $wgLang->timeanddate( $current->getTimestamp() )
3138 $summary = wfMsgReplaceArgs( $summary, $args );
3141 $flags = EDIT_UPDATE
;
3143 if ( $wgUser->isAllowed( 'minoredit' ) )
3144 $flags |
= EDIT_MINOR
;
3146 if ( $bot && ( $wgUser->isAllowed( 'markbotedits' ) ||
$wgUser->isAllowed( 'bot' ) ) )
3147 $flags |
= EDIT_FORCE_BOT
;
3148 # Actually store the edit
3149 $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
3150 if ( !empty( $status->value
['revision'] ) ) {
3151 $revId = $status->value
['revision']->getId();
3156 wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target, $current ) );
3158 $resultDetails = array(
3159 'summary' => $summary,
3160 'current' => $current,
3161 'target' => $target,
3168 * User interface for rollback operations
3170 public function rollback() {
3171 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
3174 $result = $this->doRollback(
3175 $wgRequest->getVal( 'from' ),
3176 $wgRequest->getText( 'summary' ),
3177 $wgRequest->getVal( 'token' ),
3178 $wgRequest->getBool( 'bot' ),
3182 if ( in_array( array( 'actionthrottledtext' ), $result ) ) {
3183 $wgOut->rateLimited();
3186 if ( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' ||
$result[0][0] == 'cantrollback' ) ) {
3187 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
3188 $errArray = $result[0];
3189 $errMsg = array_shift( $errArray );
3190 $wgOut->addWikiMsgArray( $errMsg, $errArray );
3191 if ( isset( $details['current'] ) ) {
3192 $current = $details['current'];
3193 if ( $current->getComment() != '' ) {
3194 $wgOut->addWikiMsgArray( 'editcomment', array(
3195 $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) );
3200 # Display permissions errors before read-only message -- there's no
3201 # point in misleading the user into thinking the inability to rollback
3202 # is only temporary.
3203 if ( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) {
3204 # array_diff is completely broken for arrays of arrays, sigh. Re-
3205 # move any 'readonlytext' error manually.
3207 foreach ( $result as $error ) {
3208 if ( $error != array( 'readonlytext' ) ) {
3212 $wgOut->showPermissionsErrorPage( $out );
3215 if ( $result == array( array( 'readonlytext' ) ) ) {
3216 $wgOut->readOnlyPage();
3220 $current = $details['current'];
3221 $target = $details['target'];
3222 $newId = $details['newid'];
3223 $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) );
3224 $wgOut->setRobotPolicy( 'noindex,nofollow' );
3225 if ( $current->getUserText() === '' ) {
3226 $old = wfMsg( 'rev-deleted-user' );
3228 $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() )
3229 . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() );
3231 $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() )
3232 . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() );
3233 $wgOut->addHTML( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) );
3234 $wgOut->returnToMain( false, $this->mTitle
);
3236 if ( !$wgRequest->getBool( 'hidediff', false ) && !$wgUser->getBoolOption( 'norollbackdiff', false ) ) {
3237 $de = new DifferenceEngine( $this->mTitle
, $current->getId(), $newId, false, true );
3238 $de->showDiff( '', '' );
3244 * Do standard deferred updates after page view
3246 public function viewUpdates() {
3247 global $wgDeferredUpdateList, $wgDisableCounters, $wgUser;
3248 if ( wfReadOnly() ) {
3251 # Don't update page view counters on views from bot users (bug 14044)
3252 if ( !$wgDisableCounters && !$wgUser->isAllowed( 'bot' ) && $this->getID() ) {
3253 Article
::incViewCount( $this->getID() );
3254 $u = new SiteStatsUpdate( 1, 0, 0 );
3255 array_push( $wgDeferredUpdateList, $u );
3257 # Update newtalk / watchlist notification status
3258 $wgUser->clearNotification( $this->mTitle
);
3262 * Prepare text which is about to be saved.
3263 * Returns a stdclass with source, pst and output members
3265 public function prepareTextForEdit( $text, $revid = null ) {
3266 if ( $this->mPreparedEdit
&& $this->mPreparedEdit
->newText
== $text && $this->mPreparedEdit
->revid
== $revid ) {
3268 return $this->mPreparedEdit
;
3271 $edit = (object)array();
3272 $edit->revid
= $revid;
3273 $edit->newText
= $text;
3274 $edit->pst
= $this->preSaveTransform( $text );
3275 $options = $this->getParserOptions();
3276 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $options, true, true, $revid );
3277 $edit->oldText
= $this->getContent();
3278 $this->mPreparedEdit
= $edit;
3283 * Do standard deferred updates after page edit.
3284 * Update links tables, site stats, search index and message cache.
3285 * Purges pages that include this page if the text was changed here.
3286 * Every 100th edit, prune the recent changes table.
3289 * @param $text New text of the article
3290 * @param $summary Edit summary
3291 * @param $minoredit Minor edit
3292 * @param $timestamp_of_pagechange Timestamp associated with the page change
3293 * @param $newid rev_id value of the new revision
3294 * @param $changed Whether or not the content actually changed
3296 public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
3297 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgEnableParserCache;
3299 wfProfileIn( __METHOD__
);
3302 # Be careful not to double-PST: $text is usually already PST-ed once
3303 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
3304 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
3305 $editInfo = $this->prepareTextForEdit( $text, $newid );
3307 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
3308 $editInfo = $this->mPreparedEdit
;
3311 # Save it to the parser cache
3312 if ( $wgEnableParserCache ) {
3313 $popts = $this->getParserOptions();
3314 $parserCache = ParserCache
::singleton();
3315 $parserCache->save( $editInfo->output
, $this, $popts );
3318 # Update the links tables
3319 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
);
3322 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $changed ) );
3324 if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
3325 if ( 0 == mt_rand( 0, 99 ) ) {
3326 // Flush old entries from the `recentchanges` table; we do this on
3327 // random requests so as to avoid an increase in writes for no good reason
3329 $dbw = wfGetDB( DB_MASTER
);
3330 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
3331 $recentchanges = $dbw->tableName( 'recentchanges' );
3332 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
3333 $dbw->query( $sql );
3337 $id = $this->getID();
3338 $title = $this->mTitle
->getPrefixedDBkey();
3339 $shortTitle = $this->mTitle
->getDBkey();
3342 wfProfileOut( __METHOD__
);
3346 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
3347 array_push( $wgDeferredUpdateList, $u );
3348 $u = new SearchUpdate( $id, $title, $text );
3349 array_push( $wgDeferredUpdateList, $u );
3351 # If this is another user's talk page, update newtalk
3352 # Don't do this if $changed = false otherwise some idiot can null-edit a
3353 # load of user talk pages and piss people off, nor if it's a minor edit
3354 # by a properly-flagged bot.
3355 if ( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
3356 && !( $minoredit && $wgUser->isAllowed( 'nominornewtalk' ) ) ) {
3357 if ( wfRunHooks( 'ArticleEditUpdateNewTalk', array( &$this ) ) ) {
3358 $other = User
::newFromName( $shortTitle, false );
3360 wfDebug( __METHOD__
. ": invalid username\n" );
3361 } elseif ( User
::isIP( $shortTitle ) ) {
3362 // An anonymous user
3363 $other->setNewtalk( true );
3364 } elseif ( $other->isLoggedIn() ) {
3365 $other->setNewtalk( true );
3367 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
3372 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3373 $wgMessageCache->replace( $shortTitle, $text );
3376 wfProfileOut( __METHOD__
);
3380 * Perform article updates on a special page creation.
3382 * @param $rev Revision object
3384 * @todo This is a shitty interface function. Kill it and replace the
3385 * other shitty functions like editUpdates and such so it's not needed
3388 public function createUpdates( $rev ) {
3389 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
3390 $this->mTotalAdjustment
= 1;
3391 $this->editUpdates( $rev->getText(), $rev->getComment(),
3392 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
3396 * Generate the navigation links when browsing through an article revisions
3397 * It shows the information as:
3398 * Revision as of \<date\>; view current revision
3399 * \<- Previous version | Next Version -\>
3401 * @param $oldid String: revision ID of this article revision
3403 public function setOldSubtitle( $oldid = 0 ) {
3404 global $wgLang, $wgOut, $wgUser, $wgRequest;
3406 if ( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
3410 $unhide = $wgRequest->getInt( 'unhide' ) == 1 &&
3411 $wgUser->matchEditToken( $wgRequest->getVal( 'token' ), $oldid );
3412 # Cascade unhide param in links for easy deletion browsing
3413 $extraParams = array();
3414 if ( $wgRequest->getVal( 'unhide' ) ) {
3415 $extraParams['unhide'] = 1;
3417 $revision = Revision
::newFromId( $oldid );
3419 $current = ( $oldid == $this->mLatest
);
3420 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
3421 $tddate = $wgLang->date( $this->mTimestamp
, true );
3422 $tdtime = $wgLang->time( $this->mTimestamp
, true );
3423 $sk = $wgUser->getSkin();
3425 ?
wfMsgHtml( 'currentrevisionlink' )
3428 wfMsgHtml( 'currentrevisionlink' ),
3431 array( 'known', 'noclasses' )
3434 ?
wfMsgHtml( 'diff' )
3437 wfMsgHtml( 'diff' ),
3443 array( 'known', 'noclasses' )
3445 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
3449 wfMsgHtml( 'previousrevision' ),
3452 'direction' => 'prev',
3455 array( 'known', 'noclasses' )
3457 : wfMsgHtml( 'previousrevision' );
3461 wfMsgHtml( 'diff' ),
3467 array( 'known', 'noclasses' )
3469 : wfMsgHtml( 'diff' );
3470 $nextlink = $current
3471 ?
wfMsgHtml( 'nextrevision' )
3474 wfMsgHtml( 'nextrevision' ),
3477 'direction' => 'next',
3480 array( 'known', 'noclasses' )
3482 $nextdiff = $current
3483 ?
wfMsgHtml( 'diff' )
3486 wfMsgHtml( 'diff' ),
3492 array( 'known', 'noclasses' )
3496 // User can delete revisions or view deleted revisions...
3497 $canHide = $wgUser->isAllowed( 'deleterevision' );
3498 if ( $canHide ||
( $revision->getVisibility() && $wgUser->isAllowed( 'deletedhistory' ) ) ) {
3499 if ( !$revision->userCan( Revision
::DELETED_RESTRICTED
) ) {
3500 $cdel = $sk->revDeleteLinkDisabled( $canHide ); // rev was hidden from Sysops
3503 'type' => 'revision',
3504 'target' => $this->mTitle
->getPrefixedDbkey(),
3507 $cdel = $sk->revDeleteLink( $query, $revision->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
3512 # Show user links if allowed to see them. If hidden, then show them only if requested...
3513 $userlinks = $sk->revUserTools( $revision, !$unhide );
3515 $m = wfMsg( 'revision-info-current' );
3516 $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
3517 ?
'revision-info-current'
3520 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" .
3523 array( 'parseinline', 'replaceafter' ),
3529 $revision->getUser()
3532 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgExt( 'revision-nav', array( 'escapenoentities', 'parsemag', 'replaceafter' ),
3533 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
3534 $wgOut->setSubtitle( $r );
3538 * This function is called right before saving the wikitext,
3539 * so we can do things like signatures and links-in-context.
3541 * @param $text String
3543 public function preSaveTransform( $text ) {
3544 global $wgParser, $wgUser;
3545 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
3548 /* Caching functions */
3551 * checkLastModified returns true if it has taken care of all
3552 * output to the client that is necessary for this request.
3553 * (that is, it has sent a cached version of the page)
3555 protected function tryFileCache() {
3556 static $called = false;
3558 wfDebug( "Article::tryFileCache(): called twice!?\n" );
3562 if ( $this->isFileCacheable() ) {
3563 $cache = new HTMLFileCache( $this->mTitle
);
3564 if ( $cache->isFileCacheGood( $this->mTouched
) ) {
3565 wfDebug( "Article::tryFileCache(): about to load file\n" );
3566 $cache->loadFromFileCache();
3569 wfDebug( "Article::tryFileCache(): starting buffer\n" );
3570 ob_start( array( &$cache, 'saveToFileCache' ) );
3573 wfDebug( "Article::tryFileCache(): not cacheable\n" );
3579 * Check if the page can be cached
3582 public function isFileCacheable() {
3584 if ( HTMLFileCache
::useFileCache() ) {
3585 $cacheable = $this->getID() && !$this->mRedirectedFrom
;
3586 // Extension may have reason to disable file caching on some pages.
3588 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
3595 * Loads page_touched and returns a value indicating if it should be used
3598 public function checkTouched() {
3599 if ( !$this->mDataLoaded
) {
3600 $this->loadPageData();
3602 return !$this->mIsRedirect
;
3606 * Get the page_touched field
3608 public function getTouched() {
3609 # Ensure that page data has been loaded
3610 if ( !$this->mDataLoaded
) {
3611 $this->loadPageData();
3613 return $this->mTouched
;
3617 * Get the page_latest field
3619 public function getLatest() {
3620 if ( !$this->mDataLoaded
) {
3621 $this->loadPageData();
3623 return (int)$this->mLatest
;
3627 * Edit an article without doing all that other stuff
3628 * The article must already exist; link tables etc
3629 * are not updated, caches are not flushed.
3631 * @param $text String: text submitted
3632 * @param $comment String: comment submitted
3633 * @param $minor Boolean: whereas it's a minor modification
3635 public function quickEdit( $text, $comment = '', $minor = 0 ) {
3636 wfProfileIn( __METHOD__
);
3638 $dbw = wfGetDB( DB_MASTER
);
3639 $revision = new Revision( array(
3640 'page' => $this->getId(),
3642 'comment' => $comment,
3643 'minor_edit' => $minor ?
1 : 0,
3645 $revision->insertOn( $dbw );
3646 $this->updateRevisionOn( $dbw, $revision );
3648 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $wgUser ) );
3650 wfProfileOut( __METHOD__
);
3654 * Used to increment the view counter
3656 * @param $id Integer: article id
3658 public static function incViewCount( $id ) {
3659 $id = intval( $id );
3660 global $wgHitcounterUpdateFreq;
3662 $dbw = wfGetDB( DB_MASTER
);
3663 $pageTable = $dbw->tableName( 'page' );
3664 $hitcounterTable = $dbw->tableName( 'hitcounter' );
3665 $acchitsTable = $dbw->tableName( 'acchits' );
3667 if ( $wgHitcounterUpdateFreq <= 1 ) {
3668 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
3672 # Not important enough to warrant an error page in case of failure
3673 $oldignore = $dbw->ignoreErrors( true );
3675 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
3677 $checkfreq = intval( $wgHitcounterUpdateFreq / 25 +
1 );
3678 if ( ( rand() %
$checkfreq != 0 ) or ( $dbw->lastErrno() != 0 ) ) {
3679 # Most of the time (or on SQL errors), skip row count check
3680 $dbw->ignoreErrors( $oldignore );
3684 $res = $dbw->query( "SELECT COUNT(*) as n FROM $hitcounterTable" );
3685 $row = $dbw->fetchObject( $res );
3686 $rown = intval( $row->n
);
3687 if ( $rown >= $wgHitcounterUpdateFreq ) {
3688 wfProfileIn( 'Article::incViewCount-collect' );
3689 $old_user_abort = ignore_user_abort( true );
3691 $dbType = $dbw->getType();
3692 $dbw->lockTables( array(), array( 'hitcounter' ), __METHOD__
, false );
3693 $tabletype = $dbType == 'mysql' ?
"ENGINE=HEAP " : '';
3694 $dbw->query( "CREATE TEMPORARY TABLE $acchitsTable $tabletype AS " .
3695 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable " .
3696 'GROUP BY hc_id', __METHOD__
);
3697 $dbw->delete( 'hitcounter', '*', __METHOD__
);
3698 $dbw->unlockTables( __METHOD__
);
3699 if ( $dbType == 'mysql' ) {
3700 $dbw->query( "UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n " .
3701 'WHERE page_id = hc_id', __METHOD__
);
3704 $dbw->query( "UPDATE $pageTable SET page_counter=page_counter + hc_n " .
3705 "FROM $acchitsTable WHERE page_id = hc_id", __METHOD__
);
3707 $dbw->query( "DROP TABLE $acchitsTable", __METHOD__
);
3709 ignore_user_abort( $old_user_abort );
3710 wfProfileOut( 'Article::incViewCount-collect' );
3712 $dbw->ignoreErrors( $oldignore );
3716 * The onArticle*() functions are supposed to be a kind of hooks
3717 * which should be called whenever any of the specified actions
3720 * This is a good place to put code to clear caches, for instance.
3722 * This is called on page move and undelete, as well as edit
3724 * @param $title a title object
3726 public static function onArticleCreate( $title ) {
3727 # Update existence markers on article/talk tabs...
3728 if ( $title->isTalkPage() ) {
3729 $other = $title->getSubjectPage();
3731 $other = $title->getTalkPage();
3733 $other->invalidateCache();
3734 $other->purgeSquid();
3736 $title->touchLinks();
3737 $title->purgeSquid();
3738 $title->deleteTitleProtection();
3741 public static function onArticleDelete( $title ) {
3742 global $wgMessageCache;
3743 # Update existence markers on article/talk tabs...
3744 if ( $title->isTalkPage() ) {
3745 $other = $title->getSubjectPage();
3747 $other = $title->getTalkPage();
3749 $other->invalidateCache();
3750 $other->purgeSquid();
3752 $title->touchLinks();
3753 $title->purgeSquid();
3756 HTMLFileCache
::clearFileCache( $title );
3759 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
3760 $wgMessageCache->replace( $title->getDBkey(), false );
3763 if ( $title->getNamespace() == NS_FILE
) {
3764 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
3765 $update->doUpdate();
3768 if ( $title->getNamespace() == NS_USER_TALK
) {
3769 $user = User
::newFromName( $title->getText(), false );
3770 $user->setNewtalk( false );
3773 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
3777 * Purge caches on page update etc
3779 public static function onArticleEdit( $title, $flags = '' ) {
3780 global $wgDeferredUpdateList;
3782 // Invalidate caches of articles which include this page
3783 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
3785 // Invalidate the caches of all pages which redirect here
3786 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
3788 # Purge squid for this page only
3789 $title->purgeSquid();
3791 # Clear file cache for this page only
3792 HTMLFileCache
::clearFileCache( $title );
3798 * Overriden by ImagePage class, only present here to avoid a fatal error
3799 * Called for ?action=revert
3801 public function revert() {
3803 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3807 * Info about this page
3808 * Called for ?action=info when $wgAllowPageInfo is on.
3810 public function info() {
3811 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
3813 if ( !$wgAllowPageInfo ) {
3814 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3818 $page = $this->mTitle
->getSubjectPage();
3820 $wgOut->setPagetitle( $page->getPrefixedText() );
3821 $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) );
3822 $wgOut->setSubtitle( wfMsgHtml( 'infosubtitle' ) );
3824 if ( !$this->mTitle
->exists() ) {
3825 $wgOut->addHTML( '<div class="noarticletext">' );
3826 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3827 // This doesn't quite make sense; the user is asking for
3828 // information about the _page_, not the message... -- RC
3829 $wgOut->addHTML( htmlspecialchars( wfMsgWeirdKey( $this->mTitle
->getText() ) ) );
3831 $msg = $wgUser->isLoggedIn()
3833 : 'noarticletextanon';
3834 $wgOut->addHTML( wfMsgExt( $msg, 'parse' ) );
3836 $wgOut->addHTML( '</div>' );
3838 $dbr = wfGetDB( DB_SLAVE
);
3840 'wl_title' => $page->getDBkey(),
3841 'wl_namespace' => $page->getNamespace() );
3842 $numwatchers = $dbr->selectField(
3847 $this->getSelectOptions() );
3849 $pageInfo = $this->pageCountInfo( $page );
3850 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
3852 $wgOut->addHTML( "<ul><li>" . wfMsg( "numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
3853 $wgOut->addHTML( "<li>" . wfMsg( 'numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>' );
3855 $wgOut->addHTML( '<li>' . wfMsg( "numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>' );
3857 $wgOut->addHTML( '<li>' . wfMsg( "numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
3859 $wgOut->addHTML( '<li>' . wfMsg( 'numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
3861 $wgOut->addHTML( '</ul>' );
3866 * Return the total number of edits and number of unique editors
3867 * on a given page. If page does not exist, returns false.
3869 * @param $title Title object
3872 public function pageCountInfo( $title ) {
3873 $id = $title->getArticleId();
3877 $dbr = wfGetDB( DB_SLAVE
);
3878 $rev_clause = array( 'rev_page' => $id );
3879 $edits = $dbr->selectField(
3884 $this->getSelectOptions()
3886 $authors = $dbr->selectField(
3888 'COUNT(DISTINCT rev_user_text)',
3891 $this->getSelectOptions()
3893 return array( 'edits' => $edits, 'authors' => $authors );
3897 * Return a list of templates used by this article.
3898 * Uses the templatelinks table
3900 * @return Array of Title objects
3902 public function getUsedTemplates() {
3904 $id = $this->mTitle
->getArticleID();
3908 $dbr = wfGetDB( DB_SLAVE
);
3909 $res = $dbr->select( array( 'templatelinks' ),
3910 array( 'tl_namespace', 'tl_title' ),
3911 array( 'tl_from' => $id ),
3913 if ( $res !== false ) {
3914 foreach ( $res as $row ) {
3915 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
3918 $dbr->freeResult( $res );
3923 * Returns a list of hidden categories this page is a member of.
3924 * Uses the page_props and categorylinks tables.
3926 * @return Array of Title objects
3928 public function getHiddenCategories() {
3930 $id = $this->mTitle
->getArticleID();
3934 $dbr = wfGetDB( DB_SLAVE
);
3935 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3937 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3938 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to' ),
3940 if ( $res !== false ) {
3941 foreach ( $res as $row ) {
3942 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3945 $dbr->freeResult( $res );
3950 * Return an applicable autosummary if one exists for the given edit.
3951 * @param $oldtext String: the previous text of the page.
3952 * @param $newtext String: The submitted text of the page.
3953 * @param $flags Bitmask: a bitmask of flags submitted for the edit.
3954 * @return string An appropriate autosummary, or an empty string.
3956 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3957 # Decide what kind of autosummary is needed.
3959 # Redirect autosummaries
3960 $ot = Title
::newFromRedirect( $oldtext );
3961 $rt = Title
::newFromRedirect( $newtext );
3962 if ( is_object( $rt ) && ( !is_object( $ot ) ||
!$rt->equals( $ot ) ||
$ot->getFragment() != $rt->getFragment() ) ) {
3963 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
3966 # New page autosummaries
3967 if ( $flags & EDIT_NEW
&& strlen( $newtext ) ) {
3968 # If they're making a new article, give its text, truncated, in the summary.
3970 $truncatedtext = $wgContLang->truncate(
3971 str_replace( "\n", ' ', $newtext ),
3972 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
3973 return wfMsgForContent( 'autosumm-new', $truncatedtext );
3976 # Blanking autosummaries
3977 if ( $oldtext != '' && $newtext == '' ) {
3978 return wfMsgForContent( 'autosumm-blank' );
3979 } elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
3980 # Removing more than 90% of the article
3982 $truncatedtext = $wgContLang->truncate(
3984 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
3985 return wfMsgForContent( 'autosumm-replace', $truncatedtext );
3988 # If we reach this point, there's no applicable autosummary for our case, so our
3989 # autosummary is empty.
3994 * Add the primary page-view wikitext to the output buffer
3995 * Saves the text into the parser cache if possible.
3996 * Updates templatelinks if it is out of date.
3998 * @param $text String
3999 * @param $cache Boolean
4001 public function outputWikiText( $text, $cache = true, $parserOptions = false ) {
4004 $this->mParserOutput
= $this->getOutputFromWikitext( $text, $cache, $parserOptions );
4005 $wgOut->addParserOutput( $this->mParserOutput
);
4009 * This does all the heavy lifting for outputWikitext, except it returns the parser
4010 * output instead of sending it straight to $wgOut. Makes things nice and simple for,
4011 * say, embedding thread pages within a discussion system (LiquidThreads)
4013 public function getOutputFromWikitext( $text, $cache = true, $parserOptions = false ) {
4014 global $wgParser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
4016 if ( !$parserOptions ) {
4017 $parserOptions = $this->getParserOptions();
4021 $this->mParserOutput
= $wgParser->parse( $text, $this->mTitle
,
4022 $parserOptions, true, true, $this->getRevIdFetched() );
4027 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
4028 $this->mTitle
->getPrefixedDBkey() ) );
4031 if ( $wgEnableParserCache && $cache && $this && $this->mParserOutput
->getCacheTime() != -1 ) {
4032 $parserCache = ParserCache
::singleton();
4033 $parserCache->save( $this->mParserOutput
, $this, $parserOptions );
4035 // Make sure file cache is not used on uncacheable content.
4036 // Output that has magic words in it can still use the parser cache
4037 // (if enabled), though it will generally expire sooner.
4038 if ( $this->mParserOutput
->getCacheTime() == -1 ||
$this->mParserOutput
->containsOldMagic() ) {
4039 $wgUseFileCache = false;
4041 $this->doCascadeProtectionUpdates( $this->mParserOutput
);
4042 return $this->mParserOutput
;
4046 * Get parser options suitable for rendering the primary article wikitext
4048 public function getParserOptions() {
4050 if ( !$this->mParserOptions
) {
4051 $this->mParserOptions
= new ParserOptions( $wgUser );
4052 $this->mParserOptions
->setTidy( true );
4053 $this->mParserOptions
->enableLimitReport();
4055 return $this->mParserOptions
;
4058 protected function doCascadeProtectionUpdates( $parserOutput ) {
4059 if ( !$this->isCurrent() ||
wfReadOnly() ||
!$this->mTitle
->areRestrictionsCascading() ) {
4063 // templatelinks table may have become out of sync,
4064 // especially if using variable-based transclusions.
4065 // For paranoia, check if things have changed and if
4066 // so apply updates to the database. This will ensure
4067 // that cascaded protections apply as soon as the changes
4070 # Get templates from templatelinks
4071 $id = $this->mTitle
->getArticleID();
4073 $tlTemplates = array();
4075 $dbr = wfGetDB( DB_SLAVE
);
4076 $res = $dbr->select( array( 'templatelinks' ),
4077 array( 'tl_namespace', 'tl_title' ),
4078 array( 'tl_from' => $id ),
4082 foreach ( $res as $row ) {
4083 $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
4086 # Get templates from parser output.
4087 $poTemplates = array();
4088 foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
4089 foreach ( $templates as $dbk => $id ) {
4090 $poTemplates["$ns:$dbk"] = true;
4095 # Note that we simulate array_diff_key in PHP <5.0.x
4096 $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
4098 if ( count( $templates_diff ) > 0 ) {
4099 # Whee, link updates time.
4100 $u = new LinksUpdate( $this->mTitle
, $parserOutput, false );
4106 * Update all the appropriate counts in the category table, given that
4107 * we've added the categories $added and deleted the categories $deleted.
4109 * @param $added array The names of categories that were added
4110 * @param $deleted array The names of categories that were deleted
4113 public function updateCategoryCounts( $added, $deleted ) {
4114 $ns = $this->mTitle
->getNamespace();
4115 $dbw = wfGetDB( DB_MASTER
);
4117 # First make sure the rows exist. If one of the "deleted" ones didn't
4118 # exist, we might legitimately not create it, but it's simpler to just
4119 # create it and then give it a negative value, since the value is bogus
4122 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
4123 $insertCats = array_merge( $added, $deleted );
4124 if ( !$insertCats ) {
4125 # Okay, nothing to do
4128 $insertRows = array();
4129 foreach ( $insertCats as $cat ) {
4130 $insertRows[] = array(
4131 'cat_id' => $dbw->nextSequenceValue( 'category_cat_id_seq' ),
4135 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
4137 $addFields = array( 'cat_pages = cat_pages + 1' );
4138 $removeFields = array( 'cat_pages = cat_pages - 1' );
4139 if ( $ns == NS_CATEGORY
) {
4140 $addFields[] = 'cat_subcats = cat_subcats + 1';
4141 $removeFields[] = 'cat_subcats = cat_subcats - 1';
4142 } elseif ( $ns == NS_FILE
) {
4143 $addFields[] = 'cat_files = cat_files + 1';
4144 $removeFields[] = 'cat_files = cat_files - 1';
4151 array( 'cat_title' => $added ),
4159 array( 'cat_title' => $deleted ),
4165 /** Lightweight method to get the parser output for a page, checking the parser cache
4166 * and so on. Doesn't consider most of the stuff that Article::view is forced to
4167 * consider, so it's not appropriate to use there.
4169 function getParserOutput( $oldid = null ) {
4170 global $wgEnableParserCache, $wgUser, $wgOut;
4172 // Should the parser cache be used?
4173 $useParserCache = $wgEnableParserCache &&
4174 intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 &&
4178 wfDebug( __METHOD__
. ': using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
4179 if ( $wgUser->getOption( 'stubthreshold' ) ) {
4180 wfIncrStats( 'pcache_miss_stub' );
4183 $parserOutput = false;
4184 if ( $useParserCache ) {
4185 $parserOutput = ParserCache
::singleton()->get( $this, $this->getParserOptions() );
4188 if ( $parserOutput === false ) {
4189 // Cache miss; parse and output it.
4190 $rev = Revision
::newFromTitle( $this->getTitle(), $oldid );
4192 return $this->getOutputFromWikitext( $rev->getText(), $useParserCache );
4194 return $parserOutput;