3 * Abstract class for type hinting (accepts WikiPage, Article, ImagePage, CategoryPage)
8 * Class representing a MediaWiki article and history.
10 * Some fields are public only for backwards-compatibility. Use accessors.
11 * In the past, this class was part of Article.php and everything was public.
13 * @internal documentation reviewed 15 Mar 2010
15 class WikiPage
extends Page
{
20 public $mTitle = null;
25 public $mCounter = -1; // !< Integer (-1 means "not loaded")
26 public $mDataLoaded = false; // !< Boolean
27 public $mIsRedirect = false; // !< Boolean
28 public $mLatest = false; // !< Boolean
29 public $mPreparedEdit = false; // !< Array
30 public $mRedirectTarget = null; // !< Title object
31 public $mLastRevision = null; // !< Revision object
32 public $mTimestamp = ''; // !< String
33 public $mTouched = '19700101000000'; // !< String
38 * @var ParserOptions: ParserOptions object for $wgUser articles
40 public $mParserOptions;
43 * Constructor and clear the article
44 * @param $title Title Reference to a Title object.
46 public function __construct( Title
$title ) {
47 $this->mTitle
= $title;
51 * Create a WikiPage object of the appropriate class for the given title.
54 * @return WikiPage object of the appropriate type
56 public static function factory( Title
$title ) {
57 $ns = $title->getNamespace();
59 if ( $ns == NS_MEDIA
) {
60 throw new MWException( "NS_MEDIA is a virtual namespace; use NS_FILE." );
61 } elseif ( $ns < 0 ) {
62 throw new MWException( "Invalid or virtual namespace $ns given." );
67 $page = new WikiFilePage( $title );
70 $page = new WikiCategoryPage( $title );
73 $page = new WikiPage( $title );
80 * Constructor from a page id
82 * Always override this for all subclasses (until we use PHP with LSB)
84 * @param $id Int article ID to load
88 public static function newFromID( $id ) {
89 $t = Title
::newFromID( $id );
90 # @todo FIXME: Doesn't inherit right
91 return $t == null ?
null : new self( $t );
92 # return $t == null ? null : new static( $t ); // PHP 5.3
96 * Returns overrides for action handlers.
97 * Classes listed here will be used instead of the default one when
98 * (and only when) $wgActions[$action] === true. This allows subclasses
99 * to override the default behavior.
103 public function getActionOverrides() {
108 * If this page is a redirect, get its target
110 * The target will be fetched from the redirect table if possible.
111 * If this page doesn't have an entry there, call insertRedirect()
112 * @return Title|mixed object, or null if this page is not a redirect
114 public function getRedirectTarget() {
115 if ( !$this->mTitle
->isRedirect() ) {
119 if ( $this->mRedirectTarget
!== null ) {
120 return $this->mRedirectTarget
;
123 # Query the redirect table
124 $dbr = wfGetDB( DB_SLAVE
);
125 $row = $dbr->selectRow( 'redirect',
126 array( 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ),
127 array( 'rd_from' => $this->getId() ),
131 // rd_fragment and rd_interwiki were added later, populate them if empty
132 if ( $row && !is_null( $row->rd_fragment
) && !is_null( $row->rd_interwiki
) ) {
133 return $this->mRedirectTarget
= Title
::makeTitle(
134 $row->rd_namespace
, $row->rd_title
,
135 $row->rd_fragment
, $row->rd_interwiki
);
138 # This page doesn't have an entry in the redirect table
139 return $this->mRedirectTarget
= $this->insertRedirect();
143 * Insert an entry for this page into the redirect table.
145 * Don't call this function directly unless you know what you're doing.
146 * @return Title object or null if not a redirect
148 public function insertRedirect() {
149 // recurse through to only get the final target
150 $retval = Title
::newFromRedirectRecurse( $this->getRawText() );
154 $this->insertRedirectEntry( $retval );
159 * Insert or update the redirect table entry for this page to indicate
160 * it redirects to $rt .
161 * @param $rt Title redirect target
163 public function insertRedirectEntry( $rt ) {
164 $dbw = wfGetDB( DB_MASTER
);
165 $dbw->replace( 'redirect', array( 'rd_from' ),
167 'rd_from' => $this->getId(),
168 'rd_namespace' => $rt->getNamespace(),
169 'rd_title' => $rt->getDBkey(),
170 'rd_fragment' => $rt->getFragment(),
171 'rd_interwiki' => $rt->getInterwiki(),
178 * Get the Title object or URL this page redirects to
180 * @return mixed false, Title of in-wiki target, or string with URL
182 public function followRedirect() {
183 return $this->getRedirectURL( $this->getRedirectTarget() );
187 * Get the Title object or URL to use for a redirect. We use Title
188 * objects for same-wiki, non-special redirects and URLs for everything
190 * @param $rt Title Redirect target
191 * @return mixed false, Title object of local target, or string with URL
193 public function getRedirectURL( $rt ) {
195 if ( $rt->getInterwiki() != '' ) {
196 if ( $rt->isLocal() ) {
197 // Offsite wikis need an HTTP redirect.
199 // This can be hard to reverse and may produce loops,
200 // so they may be disabled in the site configuration.
201 $source = $this->mTitle
->getFullURL( 'redirect=no' );
202 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
205 if ( $rt->getNamespace() == NS_SPECIAL
) {
206 // Gotta handle redirects to special pages differently:
207 // Fill the HTTP response "Location" header and ignore
208 // the rest of the page we're on.
210 // This can be hard to reverse, so they may be disabled.
211 if ( $rt->isSpecial( 'Userlogout' ) ) {
214 return $rt->getFullURL();
222 // No or invalid redirect
227 * Get the title object of the article
228 * @return Title object of this page
230 public function getTitle() {
231 return $this->mTitle
;
237 public function clear() {
238 $this->mDataLoaded
= false;
240 $this->mCounter
= -1; # Not loaded
241 $this->mRedirectTarget
= null; # Title object if set
242 $this->mLastRevision
= null; # Latest revision
243 $this->mTimestamp
= '';
244 $this->mTouched
= '19700101000000';
245 $this->mIsRedirect
= false;
246 $this->mLatest
= false;
247 $this->mPreparedEdit
= false;
251 * Get the text that needs to be saved in order to undo all revisions
252 * between $undo and $undoafter. Revisions must belong to the same page,
253 * must exist and must not be deleted
254 * @param $undo Revision
255 * @param $undoafter Revision Must be an earlier revision than $undo
256 * @return mixed string on success, false on failure
258 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
259 $cur_text = $this->getRawText();
260 if ( $cur_text === false ) {
261 return false; // no page
263 $undo_text = $undo->getText();
264 $undoafter_text = $undoafter->getText();
266 if ( $cur_text == $undo_text ) {
267 # No use doing a merge if it's just a straight revert.
268 return $undoafter_text;
273 if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) ) {
281 * Return the list of revision fields that should be selected to create
286 public static function selectFields() {
303 * Fetch a page record with the given conditions
304 * @param $dbr DatabaseBase object
305 * @param $conditions Array
306 * @return mixed Database result resource, or false on failure
308 protected function pageData( $dbr, $conditions ) {
309 $fields = self
::selectFields();
311 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
313 $row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__
);
315 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
321 * Fetch a page record matching the Title object's namespace and title
322 * using a sanitized title string
324 * @param $dbr DatabaseBase object
325 * @param $title Title object
326 * @return mixed Database result resource, or false on failure
328 public function pageDataFromTitle( $dbr, $title ) {
329 return $this->pageData( $dbr, array(
330 'page_namespace' => $title->getNamespace(),
331 'page_title' => $title->getDBkey() ) );
335 * Fetch a page record matching the requested ID
337 * @param $dbr DatabaseBase
339 * @return mixed Database result resource, or false on failure
341 public function pageDataFromId( $dbr, $id ) {
342 return $this->pageData( $dbr, array( 'page_id' => $id ) );
346 * Set the general counter, title etc data loaded from
349 * @param $data Object|String One of the following:
350 * A DB query result object or...
351 * "fromdb" to get from a slave DB or...
352 * "fromdbmaster" to get from the master DB
355 public function loadPageData( $data = 'fromdb' ) {
356 if ( $data === 'fromdbmaster' ) {
357 $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER
), $this->mTitle
);
358 } elseif ( $data === 'fromdb' ) { // slave
359 $data = $this->pageDataFromTitle( wfGetDB( DB_SLAVE
), $this->mTitle
);
360 # Use a "last rev inserted" timestamp key to dimish the issue of slave lag.
361 # Note that DB also stores the master position in the session and checks it.
362 $touched = $this->getCachedLastEditTime();
363 if ( $touched ) { // key set
364 if ( !$data ||
$touched > wfTimestamp( TS_MW
, $data->page_touched
) ) {
365 $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER
), $this->mTitle
);
370 $lc = LinkCache
::singleton();
373 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
,
374 $data->page_len
, $data->page_is_redirect
, $data->page_latest
);
376 $this->mTitle
->loadFromRow( $data );
378 # Old-fashioned restrictions
379 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
381 $this->mCounter
= intval( $data->page_counter
);
382 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
383 $this->mIsRedirect
= intval( $data->page_is_redirect
);
384 $this->mLatest
= intval( $data->page_latest
);
386 $lc->addBadLinkObj( $this->mTitle
);
388 $this->mTitle
->loadFromRow( false );
391 $this->mDataLoaded
= true;
395 * @return int Page ID
397 public function getId() {
398 return $this->mTitle
->getArticleID();
402 * @return bool Whether or not the page exists in the database
404 public function exists() {
405 return $this->getId() > 0;
409 * Check if this page is something we're going to be showing
410 * some sort of sensible content for. If we return false, page
411 * views (plain action=view) will return an HTTP 404 response,
412 * so spiders and robots can know they're following a bad link.
416 public function hasViewableContent() {
417 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
421 * @return int The view count for the page
423 public function getCount() {
424 if ( -1 == $this->mCounter
) {
425 $id = $this->getId();
430 $dbr = wfGetDB( DB_SLAVE
);
431 $this->mCounter
= $dbr->selectField( 'page',
433 array( 'page_id' => $id ),
439 return $this->mCounter
;
443 * Determine whether a page would be suitable for being counted as an
444 * article in the site_stats table based on the title & its content
446 * @param $editInfo Object or false: object returned by prepareTextForEdit(),
447 * if false, the current database state will be used
450 public function isCountable( $editInfo = false ) {
451 global $wgArticleCountMethod;
453 if ( !$this->mTitle
->isContentPage() ) {
457 $text = $editInfo ?
$editInfo->pst
: false;
459 if ( $this->isRedirect( $text ) ) {
463 switch ( $wgArticleCountMethod ) {
467 if ( $text === false ) {
468 $text = $this->getRawText();
470 return strpos( $text, ',' ) !== false;
473 // ParserOutput::getLinks() is a 2D array of page links, so
474 // to be really correct we would need to recurse in the array
475 // but the main array should only have items in it if there are
477 return (bool)count( $editInfo->output
->getLinks() );
479 return (bool)wfGetDB( DB_SLAVE
)->selectField( 'pagelinks', 1,
480 array( 'pl_from' => $this->getId() ), __METHOD__
);
486 * Tests if the article text represents a redirect
488 * @param $text mixed string containing article contents, or boolean
491 public function isRedirect( $text = false ) {
492 if ( $text === false ) {
493 if ( !$this->mDataLoaded
) {
494 $this->loadPageData();
497 return (bool)$this->mIsRedirect
;
499 return Title
::newFromRedirect( $text ) !== null;
504 * Loads everything except the text
505 * This isn't necessary for all uses, so it's only done if needed.
507 protected function loadLastEdit() {
508 if ( $this->mLastRevision
!== null ) {
509 return; // already loaded
512 $latest = $this->getLatest();
514 return; // page doesn't exist or is missing page_latest info
517 $revision = Revision
::newFromPageId( $this->getId(), $latest );
518 if ( $revision ) { // sanity
519 $this->setLastEdit( $revision );
524 * Set the latest revision
526 protected function setLastEdit( Revision
$revision ) {
527 $this->mLastRevision
= $revision;
528 $this->mTimestamp
= $revision->getTimestamp();
532 * Get the latest revision
533 * @return Revision|null
535 public function getRevision() {
536 $this->loadLastEdit();
537 if ( $this->mLastRevision
) {
538 return $this->mLastRevision
;
544 * Get the text of the current revision. No side-effects...
546 * @param $audience Integer: one of:
547 * Revision::FOR_PUBLIC to be displayed to all users
548 * Revision::FOR_THIS_USER to be displayed to $wgUser
549 * Revision::RAW get the text regardless of permissions
550 * @return String|false The text of the current revision
552 public function getText( $audience = Revision
::FOR_PUBLIC
) {
553 $this->loadLastEdit();
554 if ( $this->mLastRevision
) {
555 return $this->mLastRevision
->getText( $audience );
561 * Get the text of the current revision. No side-effects...
563 * @return String|false The text of the current revision
565 public function getRawText() {
566 $this->loadLastEdit();
567 if ( $this->mLastRevision
) {
568 return $this->mLastRevision
->getRawText();
574 * @return string MW timestamp of last article revision
576 public function getTimestamp() {
577 // Check if the field has been filled by ParserCache::get()
578 if ( !$this->mTimestamp
) {
579 $this->loadLastEdit();
581 return wfTimestamp( TS_MW
, $this->mTimestamp
);
585 * Set the page timestamp (use only to avoid DB queries)
586 * @param $ts string MW timestamp of last article revision
589 public function setTimestamp( $ts ) {
590 $this->mTimestamp
= wfTimestamp( TS_MW
, $ts );
594 * @param $audience Integer: one of:
595 * Revision::FOR_PUBLIC to be displayed to all users
596 * Revision::FOR_THIS_USER to be displayed to $wgUser
597 * Revision::RAW get the text regardless of permissions
598 * @return int user ID for the user that made the last article revision
600 public function getUser( $audience = Revision
::FOR_PUBLIC
) {
601 $this->loadLastEdit();
602 if ( $this->mLastRevision
) {
603 return $this->mLastRevision
->getUser( $audience );
610 * @param $audience Integer: one of:
611 * Revision::FOR_PUBLIC to be displayed to all users
612 * Revision::FOR_THIS_USER to be displayed to $wgUser
613 * Revision::RAW get the text regardless of permissions
614 * @return string username of the user that made the last article revision
616 public function getUserText( $audience = Revision
::FOR_PUBLIC
) {
617 $this->loadLastEdit();
618 if ( $this->mLastRevision
) {
619 return $this->mLastRevision
->getUserText( $audience );
626 * @param $audience Integer: one of:
627 * Revision::FOR_PUBLIC to be displayed to all users
628 * Revision::FOR_THIS_USER to be displayed to $wgUser
629 * Revision::RAW get the text regardless of permissions
630 * @return string Comment stored for the last article revision
632 public function getComment( $audience = Revision
::FOR_PUBLIC
) {
633 $this->loadLastEdit();
634 if ( $this->mLastRevision
) {
635 return $this->mLastRevision
->getComment( $audience );
642 * Returns true if last revision was marked as "minor edit"
644 * @return boolean Minor edit indicator for the last article revision.
646 public function getMinorEdit() {
647 $this->loadLastEdit();
648 if ( $this->mLastRevision
) {
649 return $this->mLastRevision
->isMinor();
656 * Get a list of users who have edited this article, not including the user who made
657 * the most recent revision, which you can get from $article->getUser() if you want it
658 * @return UserArrayFromResult
660 public function getContributors() {
661 # @todo FIXME: This is expensive; cache this info somewhere.
663 $dbr = wfGetDB( DB_SLAVE
);
665 if ( $dbr->implicitGroupby() ) {
666 $realNameField = 'user_real_name';
668 $realNameField = 'FIRST(user_real_name) AS user_real_name';
671 $tables = array( 'revision', 'user' );
674 'rev_user as user_id',
675 'rev_user_text AS user_name',
677 'MAX(rev_timestamp) AS timestamp',
680 $conds = array( 'rev_page' => $this->getId() );
682 // The user who made the top revision gets credited as "this page was last edited by
683 // John, based on contributions by Tom, Dick and Harry", so don't include them twice.
684 $user = $this->getUser();
686 $conds[] = "rev_user != $user";
688 $conds[] = "rev_user_text != {$dbr->addQuotes( $this->getUserText() )}";
691 $conds[] = "{$dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER )} = 0"; // username hidden?
694 'user' => array( 'LEFT JOIN', 'rev_user = user_id' ),
698 'GROUP BY' => array( 'rev_user', 'rev_user_text' ),
699 'ORDER BY' => 'timestamp DESC',
702 $res = $dbr->select( $tables, $fields, $conds, __METHOD__
, $options, $jconds );
703 return new UserArrayFromResult( $res );
707 * Should the parser cache be used?
709 * @param $user User The relevant user
712 public function isParserCacheUsed( User
$user, $oldid ) {
713 global $wgEnableParserCache;
715 return $wgEnableParserCache
716 && $user->getStubThreshold() == 0
719 && $this->mTitle
->isWikitextPage();
723 * Perform the actions of a page purging
725 public function doPurge() {
728 if( !wfRunHooks( 'ArticlePurge', array( &$this ) ) ){
732 // Invalidate the cache
733 $this->mTitle
->invalidateCache();
737 // Commit the transaction before the purge is sent
738 $dbw = wfGetDB( DB_MASTER
);
742 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
746 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
747 if ( $this->getId() == 0 ) {
750 $text = $this->getRawText();
753 MessageCache
::singleton()->replace( $this->mTitle
->getDBkey(), $text );
758 * Insert a new empty page record for this article.
759 * This *must* be followed up by creating a revision
760 * and running $this->updateRevisionOn( ... );
761 * or else the record will be left in a funky state.
762 * Best if all done inside a transaction.
764 * @param $dbw DatabaseBase
765 * @return int The newly created page_id key, or false if the title already existed
768 public function insertOn( $dbw ) {
769 wfProfileIn( __METHOD__
);
771 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
772 $dbw->insert( 'page', array(
773 'page_id' => $page_id,
774 'page_namespace' => $this->mTitle
->getNamespace(),
775 'page_title' => $this->mTitle
->getDBkey(),
777 'page_restrictions' => '',
778 'page_is_redirect' => 0, # Will set this shortly...
780 'page_random' => wfRandom(),
781 'page_touched' => $dbw->timestamp(),
782 'page_latest' => 0, # Fill this in shortly...
783 'page_len' => 0, # Fill this in shortly...
784 ), __METHOD__
, 'IGNORE' );
786 $affected = $dbw->affectedRows();
789 $newid = $dbw->insertId();
790 $this->mTitle
->resetArticleID( $newid );
792 wfProfileOut( __METHOD__
);
794 return $affected ?
$newid : false;
798 * Update the page record to point to a newly saved revision.
800 * @param $dbw DatabaseBase: object
801 * @param $revision Revision: For ID number, and text used to set
802 length and redirect status fields
803 * @param $lastRevision Integer: if given, will not overwrite the page field
804 * when different from the currently set value.
805 * Giving 0 indicates the new page flag should be set
807 * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
808 * removing rows in redirect table.
809 * @return bool true on success, false on failure
812 public function updateRevisionOn( $dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
813 wfProfileIn( __METHOD__
);
815 $text = $revision->getText();
816 $rt = Title
::newFromRedirectRecurse( $text );
818 $conditions = array( 'page_id' => $this->getId() );
820 if ( !is_null( $lastRevision ) ) {
821 # An extra check against threads stepping on each other
822 $conditions['page_latest'] = $lastRevision;
825 $now = wfTimestampNow();
826 $dbw->update( 'page',
828 'page_latest' => $revision->getId(),
829 'page_touched' => $dbw->timestamp( $now ),
830 'page_is_new' => ( $lastRevision === 0 ) ?
1 : 0,
831 'page_is_redirect' => $rt !== null ?
1 : 0,
832 'page_len' => strlen( $text ),
837 $result = $dbw->affectedRows() != 0;
839 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
840 $this->setCachedLastEditTime( $now );
843 wfProfileOut( __METHOD__
);
848 * Get the cached timestamp for the last time the page changed.
849 * This is only used to help handle slave lag by comparing to page_touched.
850 * @return string MW timestamp
852 protected function getCachedLastEditTime() {
854 $key = wfMemcKey( 'page-lastedit', md5( $this->mTitle
->getPrefixedDBkey() ) );
855 return $wgMemc->get( $key );
859 * Set the cached timestamp for the last time the page changed.
860 * This is only used to help handle slave lag by comparing to page_touched.
861 * @param $timestamp string
864 public function setCachedLastEditTime( $timestamp ) {
866 $key = wfMemcKey( 'page-lastedit', md5( $this->mTitle
->getPrefixedDBkey() ) );
867 $wgMemc->set( $key, wfTimestamp( TS_MW
, $timestamp ), 60*15 );
871 * Add row to the redirect table if this is a redirect, remove otherwise.
873 * @param $dbw DatabaseBase
874 * @param $redirectTitle Title object pointing to the redirect target,
875 * or NULL if this is not a redirect
876 * @param $lastRevIsRedirect If given, will optimize adding and
877 * removing rows in redirect table.
878 * @return bool true on success, false on failure
881 public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
882 // Always update redirects (target link might have changed)
883 // Update/Insert if we don't know if the last revision was a redirect or not
884 // Delete if changing from redirect to non-redirect
885 $isRedirect = !is_null( $redirectTitle );
887 if ( !$isRedirect && !is_null( $lastRevIsRedirect ) && $lastRevIsRedirect === $isRedirect ) {
891 wfProfileIn( __METHOD__
);
893 $this->insertRedirectEntry( $redirectTitle );
895 // This is not a redirect, remove row from redirect table
896 $where = array( 'rd_from' => $this->getId() );
897 $dbw->delete( 'redirect', $where, __METHOD__
);
900 if ( $this->getTitle()->getNamespace() == NS_FILE
) {
901 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
903 wfProfileOut( __METHOD__
);
905 return ( $dbw->affectedRows() != 0 );
909 * If the given revision is newer than the currently set page_latest,
910 * update the page record. Otherwise, do nothing.
912 * @param $dbw Database object
913 * @param $revision Revision object
916 public function updateIfNewerOn( $dbw, $revision ) {
917 wfProfileIn( __METHOD__
);
919 $row = $dbw->selectRow(
920 array( 'revision', 'page' ),
921 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
923 'page_id' => $this->getId(),
924 'page_latest=rev_id' ),
928 if ( wfTimestamp( TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
929 wfProfileOut( __METHOD__
);
932 $prev = $row->rev_id
;
933 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
935 # No or missing previous revision; mark the page as new
937 $lastRevIsRedirect = null;
940 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
942 wfProfileOut( __METHOD__
);
947 * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
948 * @param $text String: new text of the section
949 * @param $summary String: new section's subject, only if $section is 'new'
950 * @param $edittime String: revision timestamp or null to use the current revision
951 * @return string Complete article text, or null if error
953 public function replaceSection( $section, $text, $summary = '', $edittime = null ) {
954 wfProfileIn( __METHOD__
);
956 if ( strval( $section ) == '' ) {
957 // Whole-page edit; let the whole text through
959 if ( is_null( $edittime ) ) {
960 $rev = Revision
::newFromTitle( $this->mTitle
);
962 $dbw = wfGetDB( DB_MASTER
);
963 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
967 wfDebug( "WikiPage::replaceSection asked for bogus section (page: " .
968 $this->getId() . "; section: $section; edittime: $edittime)\n" );
969 wfProfileOut( __METHOD__
);
973 $oldtext = $rev->getText();
975 if ( $section == 'new' ) {
976 # Inserting a new section
977 $subject = $summary ?
wfMsgForContent( 'newsectionheaderdefaultlevel', $summary ) . "\n\n" : '';
978 $text = strlen( trim( $oldtext ) ) > 0
979 ?
"{$oldtext}\n\n{$subject}{$text}"
980 : "{$subject}{$text}";
982 # Replacing an existing section; roll out the big guns
985 $text = $wgParser->replaceSection( $oldtext, $section, $text );
989 wfProfileOut( __METHOD__
);
994 * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
996 * @return Int updated $flags
998 function checkFlags( $flags ) {
999 if ( !( $flags & EDIT_NEW
) && !( $flags & EDIT_UPDATE
) ) {
1000 if ( $this->mTitle
->getArticleID() ) {
1001 $flags |
= EDIT_UPDATE
;
1011 * Change an existing article or create a new article. Updates RC and all necessary caches,
1012 * optionally via the deferred update array.
1014 * @param $text String: new text
1015 * @param $summary String: edit summary
1016 * @param $flags Integer bitfield:
1018 * Article is known or assumed to be non-existent, create a new one
1020 * Article is known or assumed to be pre-existing, update it
1022 * Mark this edit minor, if the user is allowed to do so
1024 * Do not log the change in recentchanges
1026 * Mark the edit a "bot" edit regardless of user rights
1027 * EDIT_DEFER_UPDATES
1028 * Defer some of the updates until the end of index.php
1030 * Fill in blank summaries with generated text where possible
1032 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1033 * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
1034 * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
1035 * edit-already-exists error will be returned. These two conditions are also possible with
1036 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1038 * @param $baseRevId the revision ID this edit was based off, if any
1039 * @param $user User the user doing the edit
1041 * @return Status object. Possible errors:
1042 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
1043 * edit-gone-missing: In update mode, but the article didn't exist
1044 * edit-conflict: In update mode, the article changed unexpectedly
1045 * edit-no-change: Warning that the text was the same as before
1046 * edit-already-exists: In creation mode, but the article already exists
1048 * Extensions may define additional errors.
1050 * $return->value will contain an associative array with members as follows:
1051 * new: Boolean indicating if the function attempted to create a new article
1052 * revision: The revision object for the inserted revision, or null
1054 * Compatibility note: this function previously returned a boolean value indicating success/failure
1056 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1057 global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
1059 # Low-level sanity check
1060 if ( $this->mTitle
->getText() === '' ) {
1061 throw new MWException( 'Something is trying to edit an article with an empty title' );
1064 wfProfileIn( __METHOD__
);
1066 $user = is_null( $user ) ?
$wgUser : $user;
1067 $status = Status
::newGood( array() );
1069 # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
1070 $this->loadPageData();
1072 $flags = $this->checkFlags( $flags );
1074 if ( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
1075 $flags & EDIT_MINOR
, null, null, &$flags, &$status ) ) )
1077 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1079 if ( $status->isOK() ) {
1080 $status->fatal( 'edit-hook-aborted' );
1083 wfProfileOut( __METHOD__
);
1087 # Silently ignore EDIT_MINOR if not allowed
1088 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed( 'minoredit' );
1089 $bot = $flags & EDIT_FORCE_BOT
;
1091 $oldtext = $this->getRawText(); // current revision
1092 $oldsize = strlen( $oldtext );
1093 $oldcountable = $this->isCountable();
1095 # Provide autosummaries if one is not provided and autosummaries are enabled.
1096 if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1097 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1100 $editInfo = $this->prepareTextForEdit( $text, null, $user );
1101 $text = $editInfo->pst
;
1102 $newsize = strlen( $text );
1104 $dbw = wfGetDB( DB_MASTER
);
1105 $now = wfTimestampNow();
1106 $this->mTimestamp
= $now;
1108 if ( $flags & EDIT_UPDATE
) {
1109 # Update article, but only if changed.
1110 $status->value
['new'] = false;
1112 # Make sure the revision is either completely inserted or not inserted at all
1113 if ( !$wgDBtransactions ) {
1114 $userAbort = ignore_user_abort( true );
1117 $revision = new Revision( array(
1118 'page' => $this->getId(),
1119 'comment' => $summary,
1120 'minor_edit' => $isminor,
1122 'parent_id' => $this->mLatest
,
1123 'user' => $user->getId(),
1124 'user_text' => $user->getName(),
1128 $changed = ( strcmp( $text, $oldtext ) != 0 );
1131 if ( !$this->mLatest
) {
1132 # Article gone missing
1133 wfDebug( __METHOD__
. ": EDIT_UPDATE specified but article doesn't exist\n" );
1134 $status->fatal( 'edit-gone-missing' );
1136 wfProfileOut( __METHOD__
);
1141 $revisionId = $revision->insertOn( $dbw );
1145 # Note that we use $this->mLatest instead of fetching a value from the master DB
1146 # during the course of this function. This makes sure that EditPage can detect
1147 # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
1148 # before this function is called. A previous function used a separate query, this
1149 # creates a window where concurrent edits can cause an ignored edit conflict.
1150 $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest
);
1153 /* Belated edit conflict! Run away!! */
1154 $status->fatal( 'edit-conflict' );
1156 # Delete the invalid revision if the DB is not transactional
1157 if ( !$wgDBtransactions ) {
1158 $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__
);
1164 global $wgUseRCPatrol;
1165 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, $baseRevId, $user ) );
1166 # Update recentchanges
1167 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1168 # Mark as patrolled if the user can do so
1169 $patrolled = $wgUseRCPatrol && !count(
1170 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1171 # Add RC row to the DB
1172 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1173 $this->mLatest
, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1174 $revisionId, $patrolled
1177 # Log auto-patrolled edits
1179 PatrolLog
::record( $rc, true );
1182 $user->incEditCount();
1187 if ( !$wgDBtransactions ) {
1188 ignore_user_abort( $userAbort );
1191 // Now that ignore_user_abort is restored, we can respond to fatal errors
1192 if ( !$status->isOK() ) {
1193 wfProfileOut( __METHOD__
);
1197 # Update links tables, site stats, etc.
1198 $this->doEditUpdates( $revision, $user, array( 'changed' => $changed,
1199 'oldcountable' => $oldcountable ) );
1202 $status->warning( 'edit-no-change' );
1204 // Keep the same revision ID, but do some updates on it
1205 $revisionId = $this->getLatest();
1206 // Update page_touched, this is usually implicit in the page update
1207 // Other cache updates are done in onArticleEdit()
1208 $this->mTitle
->invalidateCache();
1211 # Create new article
1212 $status->value
['new'] = true;
1216 # Add the page record; stake our claim on this title!
1217 # This will return false if the article already exists
1218 $newid = $this->insertOn( $dbw );
1220 if ( $newid === false ) {
1222 $status->fatal( 'edit-already-exists' );
1224 wfProfileOut( __METHOD__
);
1228 # Save the revision text...
1229 $revision = new Revision( array(
1231 'comment' => $summary,
1232 'minor_edit' => $isminor,
1234 'user' => $user->getId(),
1235 'user_text' => $user->getName(),
1238 $revisionId = $revision->insertOn( $dbw );
1240 $this->mTitle
->resetArticleID( $newid );
1241 # Update the LinkCache. Resetting the Title ArticleID means it will rely on having that already cached
1243 LinkCache
::singleton()->addGoodLinkObj( $newid, $this->mTitle
, strlen( $text ), (bool)Title
::newFromRedirect( $text ), $revisionId );
1245 # Update the page record with revision data
1246 $this->updateRevisionOn( $dbw, $revision, 0 );
1248 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
1250 # Update recentchanges
1251 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1252 global $wgUseRCPatrol, $wgUseNPPatrol;
1254 # Mark as patrolled if the user can do so
1255 $patrolled = ( $wgUseRCPatrol ||
$wgUseNPPatrol ) && !count(
1256 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1257 # Add RC row to the DB
1258 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
1259 '', strlen( $text ), $revisionId, $patrolled );
1261 # Log auto-patrolled edits
1263 PatrolLog
::record( $rc, true );
1266 $user->incEditCount();
1269 # Update links, etc.
1270 $this->doEditUpdates( $revision, $user, array( 'created' => true ) );
1272 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
1273 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
1276 # Do updates right now unless deferral was requested
1277 if ( !( $flags & EDIT_DEFER_UPDATES
) ) {
1281 // Return the new revision (or null) to the caller
1282 $status->value
['revision'] = $revision;
1284 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
1285 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId ) );
1287 # Promote user to any groups they meet the criteria for
1288 $user->addAutopromoteOnceGroups( 'onEdit' );
1290 wfProfileOut( __METHOD__
);
1295 * Update the article's restriction field, and leave a log entry.
1297 * @param $limit Array: set of restriction keys
1298 * @param $reason String
1299 * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
1300 * @param $expiry Array: per restriction type expiration
1301 * @param $user User The user updating the restrictions
1302 * @return bool true on success
1304 public function updateRestrictions(
1305 $limit = array(), $reason = '', &$cascade = 0, $expiry = array(), User
$user = null
1307 global $wgUser, $wgContLang;
1308 $user = is_null( $user ) ?
$wgUser : $user;
1310 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
1312 $id = $this->mTitle
->getArticleID();
1315 wfDebug( "updateRestrictions failed: article id $id <= 0\n" );
1319 if ( wfReadOnly() ) {
1320 wfDebug( "updateRestrictions failed: read-only\n" );
1324 if ( count( $this->mTitle
->getUserPermissionsErrors( 'protect', $user ) ) ) {
1325 wfDebug( "updateRestrictions failed: insufficient permissions\n" );
1333 // Take this opportunity to purge out expired restrictions
1334 Title
::purgeExpiredRestrictions();
1336 # @todo FIXME: Same limitations as described in ProtectionForm.php (line 37);
1337 # we expect a single selection, but the schema allows otherwise.
1339 $updated = self
::flattenRestrictions( $limit );
1342 foreach ( $restrictionTypes as $action ) {
1343 if ( isset( $expiry[$action] ) ) {
1344 # Get current restrictions on $action
1345 $aLimits = $this->mTitle
->getRestrictions( $action );
1346 $current[$action] = implode( '', $aLimits );
1347 # Are any actual restrictions being dealt with here?
1348 $aRChanged = count( $aLimits ) ||
!empty( $limit[$action] );
1350 # If something changed, we need to log it. Checking $aRChanged
1351 # assures that "unprotecting" a page that is not protected does
1352 # not log just because the expiry was "changed".
1354 $this->mTitle
->getRestrictionExpiry( $action ) != $expiry[$action] )
1361 $current = self
::flattenRestrictions( $current );
1363 $changed = ( $changed ||
$current != $updated );
1364 $changed = $changed ||
( $updated && $this->mTitle
->areRestrictionsCascading() != $cascade );
1365 $protect = ( $updated != '' );
1367 # If nothing's changed, do nothing
1369 if ( wfRunHooks( 'ArticleProtect', array( &$this, &$user, $limit, $reason ) ) ) {
1370 $dbw = wfGetDB( DB_MASTER
);
1372 # Prepare a null revision to be added to the history
1373 $modified = $current != '' && $protect;
1376 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
1378 $comment_type = 'unprotectedarticle';
1381 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
1383 # Only restrictions with the 'protect' right can cascade...
1384 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
1385 $editrestriction = isset( $limit['edit'] ) ?
array( $limit['edit'] ) : $this->mTitle
->getRestrictions( 'edit' );
1387 # The schema allows multiple restrictions
1388 if ( !in_array( 'protect', $editrestriction ) && !in_array( 'sysop', $editrestriction ) ) {
1392 $cascade_description = '';
1395 $cascade_description = ' [' . wfMsgForContent( 'protect-summary-cascade' ) . ']';
1399 $comment .= ": $reason";
1402 $editComment = $comment;
1403 $encodedExpiry = array();
1404 $protect_description = '';
1405 foreach ( $limit as $action => $restrictions ) {
1406 if ( !isset( $expiry[$action] ) )
1407 $expiry[$action] = $dbw->getInfinity();
1409 $encodedExpiry[$action] = $dbw->encodeExpiry( $expiry[$action] );
1410 if ( $restrictions != '' ) {
1411 $protect_description .= $wgContLang->getDirMark() . "[$action=$restrictions] (";
1412 if ( $encodedExpiry[$action] != 'infinity' ) {
1413 $protect_description .= wfMsgForContent( 'protect-expiring',
1414 $wgContLang->timeanddate( $expiry[$action], false, false ) ,
1415 $wgContLang->date( $expiry[$action], false, false ) ,
1416 $wgContLang->time( $expiry[$action], false, false ) );
1418 $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
1421 $protect_description .= ') ';
1424 $protect_description = trim( $protect_description );
1426 if ( $protect_description && $protect ) {
1427 $editComment .= " ($protect_description)";
1431 $editComment .= "$cascade_description";
1434 # Update restrictions table
1435 foreach ( $limit as $action => $restrictions ) {
1436 if ( $restrictions != '' ) {
1437 $dbw->replace( 'page_restrictions', array( array( 'pr_page', 'pr_type' ) ),
1438 array( 'pr_page' => $id,
1439 'pr_type' => $action,
1440 'pr_level' => $restrictions,
1441 'pr_cascade' => ( $cascade && $action == 'edit' ) ?
1 : 0,
1442 'pr_expiry' => $encodedExpiry[$action]
1447 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
1448 'pr_type' => $action ), __METHOD__
);
1452 # Insert a null revision
1453 $nullRevision = Revision
::newNullRevision( $dbw, $id, $editComment, true );
1454 $nullRevId = $nullRevision->insertOn( $dbw );
1456 $latest = $this->getLatest();
1457 # Update page record
1458 $dbw->update( 'page',
1460 'page_touched' => $dbw->timestamp(),
1461 'page_restrictions' => '',
1462 'page_latest' => $nullRevId
1463 ), array( /* WHERE */
1468 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $nullRevision, $latest, $user ) );
1469 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$user, $limit, $reason ) );
1471 # Update the protection log
1472 $log = new LogPage( 'protect' );
1474 $params = array( $protect_description, $cascade ?
'cascade' : '' );
1475 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason ), $params );
1477 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
1480 } # End "changed" check
1486 * Take an array of page restrictions and flatten it to a string
1487 * suitable for insertion into the page_restrictions field.
1488 * @param $limit Array
1491 protected static function flattenRestrictions( $limit ) {
1492 if ( !is_array( $limit ) ) {
1493 throw new MWException( 'WikiPage::flattenRestrictions given non-array restriction set' );
1499 foreach ( $limit as $action => $restrictions ) {
1500 if ( $restrictions != '' ) {
1501 $bits[] = "$action=$restrictions";
1505 return implode( ':', $bits );
1509 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
1511 public function isBigDeletion() {
1512 global $wgDeleteRevisionsLimit;
1514 if ( $wgDeleteRevisionsLimit ) {
1515 $revCount = $this->estimateRevisionCount();
1517 return $revCount > $wgDeleteRevisionsLimit;
1524 * @return int approximate revision count
1526 public function estimateRevisionCount() {
1527 $dbr = wfGetDB( DB_SLAVE
);
1529 // For an exact count...
1530 // return $dbr->selectField( 'revision', 'COUNT(*)',
1531 // array( 'rev_page' => $this->getId() ), __METHOD__ );
1532 return $dbr->estimateRowCount( 'revision', '*',
1533 array( 'rev_page' => $this->getId() ), __METHOD__
);
1537 * Get the last N authors
1538 * @param $num Integer: number of revisions to get
1539 * @param $revLatest String: the latest rev_id, selected from the master (optional)
1540 * @return array Array of authors, duplicates not removed
1542 public function getLastNAuthors( $num, $revLatest = 0 ) {
1543 wfProfileIn( __METHOD__
);
1544 // First try the slave
1545 // If that doesn't have the latest revision, try the master
1547 $db = wfGetDB( DB_SLAVE
);
1550 $res = $db->select( array( 'page', 'revision' ),
1551 array( 'rev_id', 'rev_user_text' ),
1553 'page_namespace' => $this->mTitle
->getNamespace(),
1554 'page_title' => $this->mTitle
->getDBkey(),
1555 'rev_page = page_id'
1558 'ORDER BY' => 'rev_timestamp DESC',
1564 wfProfileOut( __METHOD__
);
1568 $row = $db->fetchObject( $res );
1570 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
1571 $db = wfGetDB( DB_MASTER
);
1576 } while ( $continue );
1578 $authors = array( $row->rev_user_text
);
1580 foreach ( $res as $row ) {
1581 $authors[] = $row->rev_user_text
;
1584 wfProfileOut( __METHOD__
);
1589 * Back-end article deletion
1590 * Deletes the article with database consistency, writes logs, purges caches
1592 * @param $reason string delete reason for deletion log
1593 * @param suppress bitfield
1594 * Revision::DELETED_TEXT
1595 * Revision::DELETED_COMMENT
1596 * Revision::DELETED_USER
1597 * Revision::DELETED_RESTRICTED
1598 * @param $id int article ID
1599 * @param $commit boolean defaults to true, triggers transaction end
1600 * @param &$errors Array of errors to append to
1601 * @param $user User The relevant user
1602 * @return boolean true if successful
1604 public function doDeleteArticle(
1605 $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User
$user = null
1607 global $wgDeferredUpdateList, $wgUseTrackbacks, $wgEnableInterwikiTemplatesTracking, $wgGlobalDatabase, $wgUser;
1608 $user = is_null( $user ) ?
$wgUser : $user;
1610 wfDebug( __METHOD__
. "\n" );
1612 if ( ! wfRunHooks( 'ArticleDelete', array( &$this, &$user, &$reason, &$error ) ) ) {
1615 $dbw = wfGetDB( DB_MASTER
);
1616 $t = $this->mTitle
->getDBkey();
1617 $id = $id ?
$id : $this->mTitle
->getArticleID( Title
::GAID_FOR_UPDATE
);
1619 if ( $t === '' ||
$id == 0 ) {
1623 $u = new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 );
1624 array_push( $wgDeferredUpdateList, $u );
1626 // Bitfields to further suppress the content
1629 // This should be 15...
1630 $bitfield |
= Revision
::DELETED_TEXT
;
1631 $bitfield |
= Revision
::DELETED_COMMENT
;
1632 $bitfield |
= Revision
::DELETED_USER
;
1633 $bitfield |
= Revision
::DELETED_RESTRICTED
;
1635 $bitfield = 'rev_deleted';
1639 // For now, shunt the revision data into the archive table.
1640 // Text is *not* removed from the text table; bulk storage
1641 // is left intact to avoid breaking block-compression or
1642 // immutable storage schemes.
1644 // For backwards compatibility, note that some older archive
1645 // table entries will have ar_text and ar_flags fields still.
1647 // In the future, we may keep revisions and mark them with
1648 // the rev_deleted field, which is reserved for this purpose.
1649 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
1651 'ar_namespace' => 'page_namespace',
1652 'ar_title' => 'page_title',
1653 'ar_comment' => 'rev_comment',
1654 'ar_user' => 'rev_user',
1655 'ar_user_text' => 'rev_user_text',
1656 'ar_timestamp' => 'rev_timestamp',
1657 'ar_minor_edit' => 'rev_minor_edit',
1658 'ar_rev_id' => 'rev_id',
1659 'ar_parent_id' => 'rev_parent_id',
1660 'ar_text_id' => 'rev_text_id',
1661 'ar_text' => '\'\'', // Be explicit to appease
1662 'ar_flags' => '\'\'', // MySQL's "strict mode"...
1663 'ar_len' => 'rev_len',
1664 'ar_page_id' => 'page_id',
1665 'ar_deleted' => $bitfield
1668 'page_id = rev_page'
1672 # Delete restrictions for it
1673 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
1675 # Now that it's safely backed up, delete it
1676 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
1677 $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
1684 # Fix category table counts
1686 $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__
);
1688 foreach ( $res as $row ) {
1689 $cats [] = $row->cl_to
;
1692 $this->updateCategoryCounts( array(), $cats );
1694 # If using cascading deletes, we can skip some explicit deletes
1695 if ( !$dbw->cascadingDeletes() ) {
1696 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
1698 if ( $wgUseTrackbacks ) {
1699 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
1702 # Delete outgoing links
1703 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ), __METHOD__
);
1704 $dbw->delete( 'imagelinks', array( 'il_from' => $id ), __METHOD__
);
1705 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ), __METHOD__
);
1706 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ), __METHOD__
);
1707 $dbw->delete( 'externallinks', array( 'el_from' => $id ), __METHOD__
);
1708 $dbw->delete( 'langlinks', array( 'll_from' => $id ), __METHOD__
);
1709 $dbw->delete( 'iwlinks', array( 'iwl_from' => $id ), __METHOD__
);
1710 $dbw->delete( 'redirect', array( 'rd_from' => $id ), __METHOD__
);
1711 $dbw->delete( 'page_props', array( 'pp_page' => $id ), __METHOD__
);
1713 if ( $wgEnableInterwikiTemplatesTracking && $wgGlobalDatabase ) {
1714 $dbw2 = wfGetDB( DB_MASTER
, array(), $wgGlobalDatabase );
1715 $dbw2->delete( 'globaltemplatelinks',
1716 array( 'gtl_from_wiki' => wfGetID(),
1717 'gtl_from_page' => $id )
1722 # If using cleanup triggers, we can skip some manual deletes
1723 if ( !$dbw->cleanupTriggers() ) {
1724 # Clean up recentchanges entries...
1725 $dbw->delete( 'recentchanges',
1726 array( 'rc_type != ' . RC_LOG
,
1727 'rc_namespace' => $this->mTitle
->getNamespace(),
1728 'rc_title' => $this->mTitle
->getDBkey() ),
1730 $dbw->delete( 'recentchanges',
1731 array( 'rc_type != ' . RC_LOG
, 'rc_cur_id' => $id ),
1736 self
::onArticleDelete( $this->mTitle
);
1738 # Clear the cached article id so the interface doesn't act like we exist
1739 $this->mTitle
->resetArticleID( 0 );
1741 # Log the deletion, if the page was suppressed, log it at Oversight instead
1742 $logtype = $suppress ?
'suppress' : 'delete';
1743 $log = new LogPage( $logtype );
1745 # Make sure logging got through
1746 $log->addEntry( 'delete', $this->mTitle
, $reason, array() );
1752 wfRunHooks( 'ArticleDeleteComplete', array( &$this, &$user, $reason, $id ) );
1757 * Roll back the most recent consecutive set of edits to a page
1758 * from the same user; fails if there are no eligible edits to
1759 * roll back to, e.g. user is the sole contributor. This function
1760 * performs permissions checks on $user, then calls commitRollback()
1761 * to do the dirty work
1763 * @param $fromP String: Name of the user whose edits to rollback.
1764 * @param $summary String: Custom summary. Set to default summary if empty.
1765 * @param $token String: Rollback token.
1766 * @param $bot Boolean: If true, mark all reverted edits as bot.
1768 * @param $resultDetails Array: contains result-specific array of additional values
1769 * 'alreadyrolled' : 'current' (rev)
1770 * success : 'summary' (str), 'current' (rev), 'target' (rev)
1772 * @param $user User The user performing the rollback
1773 * @return array of errors, each error formatted as
1774 * array(messagekey, param1, param2, ...).
1775 * On success, the array is empty. This array can also be passed to
1776 * OutputPage::showPermissionsErrorPage().
1778 public function doRollback(
1779 $fromP, $summary, $token, $bot, &$resultDetails, User
$user
1781 $resultDetails = null;
1784 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $user );
1785 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $user );
1786 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
1788 if ( !$user->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) ) {
1789 $errors[] = array( 'sessionfailure' );
1792 if ( $user->pingLimiter( 'rollback' ) ||
$user->pingLimiter() ) {
1793 $errors[] = array( 'actionthrottledtext' );
1796 # If there were errors, bail out now
1797 if ( !empty( $errors ) ) {
1801 return $this->commitRollback( $fromP, $summary, $bot, $resultDetails, $user );
1805 * Backend implementation of doRollback(), please refer there for parameter
1806 * and return value documentation
1808 * NOTE: This function does NOT check ANY permissions, it just commits the
1809 * rollback to the DB Therefore, you should only call this function direct-
1810 * ly if you want to use custom permissions checks. If you don't, use
1811 * doRollback() instead.
1812 * @param $fromP String: Name of the user whose edits to rollback.
1813 * @param $summary String: Custom summary. Set to default summary if empty.
1814 * @param $bot Boolean: If true, mark all reverted edits as bot.
1816 * @param $resultDetails Array: contains result-specific array of additional values
1817 * @param $guser User The user performing the rollback
1819 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser ) {
1820 global $wgUseRCPatrol, $wgContLang;
1822 $dbw = wfGetDB( DB_MASTER
);
1824 if ( wfReadOnly() ) {
1825 return array( array( 'readonlytext' ) );
1828 # Get the last editor
1829 $current = Revision
::newFromTitle( $this->mTitle
);
1830 if ( is_null( $current ) ) {
1831 # Something wrong... no page?
1832 return array( array( 'notanarticle' ) );
1835 $from = str_replace( '_', ' ', $fromP );
1836 # User name given should match up with the top revision.
1837 # If the user was deleted then $from should be empty.
1838 if ( $from != $current->getUserText() ) {
1839 $resultDetails = array( 'current' => $current );
1840 return array( array( 'alreadyrolled',
1841 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
1842 htmlspecialchars( $fromP ),
1843 htmlspecialchars( $current->getUserText() )
1847 # Get the last edit not by this guy...
1848 # Note: these may not be public values
1849 $user = intval( $current->getRawUser() );
1850 $user_text = $dbw->addQuotes( $current->getRawUserText() );
1851 $s = $dbw->selectRow( 'revision',
1852 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
1853 array( 'rev_page' => $current->getPage(),
1854 "rev_user != {$user} OR rev_user_text != {$user_text}"
1856 array( 'USE INDEX' => 'page_timestamp',
1857 'ORDER BY' => 'rev_timestamp DESC' )
1859 if ( $s === false ) {
1860 # No one else ever edited this page
1861 return array( array( 'cantrollback' ) );
1862 } elseif ( $s->rev_deleted
& Revision
::DELETED_TEXT ||
$s->rev_deleted
& Revision
::DELETED_USER
) {
1863 # Only admins can see this text
1864 return array( array( 'notvisiblerev' ) );
1868 if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
1869 # Mark all reverted edits as bot
1873 if ( $wgUseRCPatrol ) {
1874 # Mark all reverted edits as patrolled
1875 $set['rc_patrolled'] = 1;
1878 if ( count( $set ) ) {
1879 $dbw->update( 'recentchanges', $set,
1881 'rc_cur_id' => $current->getPage(),
1882 'rc_user_text' => $current->getUserText(),
1883 "rc_timestamp > '{$s->rev_timestamp}'",
1888 # Generate the edit summary if necessary
1889 $target = Revision
::newFromId( $s->rev_id
);
1890 if ( empty( $summary ) ) {
1891 if ( $from == '' ) { // no public user name
1892 $summary = wfMsgForContent( 'revertpage-nouser' );
1894 $summary = wfMsgForContent( 'revertpage' );
1898 # Allow the custom summary to use the same args as the default message
1900 $target->getUserText(), $from, $s->rev_id
,
1901 $wgContLang->timeanddate( wfTimestamp( TS_MW
, $s->rev_timestamp
) ),
1902 $current->getId(), $wgContLang->timeanddate( $current->getTimestamp() )
1904 $summary = wfMsgReplaceArgs( $summary, $args );
1907 $flags = EDIT_UPDATE
;
1909 if ( $guser->isAllowed( 'minoredit' ) ) {
1910 $flags |
= EDIT_MINOR
;
1913 if ( $bot && ( $guser->isAllowedAny( 'markbotedits', 'bot' ) ) ) {
1914 $flags |
= EDIT_FORCE_BOT
;
1917 # Actually store the edit
1918 $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
1919 if ( !empty( $status->value
['revision'] ) ) {
1920 $revId = $status->value
['revision']->getId();
1925 wfRunHooks( 'ArticleRollbackComplete', array( $this, $guser, $target, $current ) );
1927 $resultDetails = array(
1928 'summary' => $summary,
1929 'current' => $current,
1930 'target' => $target,
1938 * Do standard deferred updates after page view
1939 * @param $user User The relevant user
1941 public function doViewUpdates( User
$user ) {
1942 global $wgDeferredUpdateList, $wgDisableCounters;
1943 if ( wfReadOnly() ) {
1947 # Don't update page view counters on views from bot users (bug 14044)
1948 if ( !$wgDisableCounters && !$user->isAllowed( 'bot' ) && $this->getId() ) {
1949 $wgDeferredUpdateList[] = new ViewCountUpdate( $this->getId() );
1950 $wgDeferredUpdateList[] = new SiteStatsUpdate( 1, 0, 0 );
1953 # Update newtalk / watchlist notification status
1954 $user->clearNotification( $this->mTitle
);
1958 * Prepare text which is about to be saved.
1959 * Returns a stdclass with source, pst and output members
1961 public function prepareTextForEdit( $text, $revid = null, User
$user = null ) {
1962 global $wgParser, $wgUser;
1963 $user = is_null( $user ) ?
$wgUser : $user;
1964 // @TODO fixme: check $user->getId() here???
1965 if ( $this->mPreparedEdit
1966 && $this->mPreparedEdit
->newText
== $text
1967 && $this->mPreparedEdit
->revid
== $revid
1970 return $this->mPreparedEdit
;
1973 $popts = ParserOptions
::newFromUser( $user );
1974 wfRunHooks( 'ArticlePrepareTextForEdit', array( $this, $popts ) );
1976 $edit = (object)array();
1977 $edit->revid
= $revid;
1978 $edit->newText
= $text;
1979 $edit->pst
= $this->preSaveTransform( $text, $user, $popts );
1980 $edit->popts
= $this->getParserOptions( true );
1981 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $edit->popts
, true, true, $revid );
1982 $edit->oldText
= $this->getRawText();
1984 $this->mPreparedEdit
= $edit;
1990 * Do standard deferred updates after page edit.
1991 * Update links tables, site stats, search index and message cache.
1992 * Purges pages that include this page if the text was changed here.
1993 * Every 100th edit, prune the recent changes table.
1996 * @param $revision Revision object
1997 * @param $user User object that did the revision
1998 * @param $options Array of options, following indexes are used:
1999 * - changed: boolean, whether the revision changed the content (default true)
2000 * - created: boolean, whether the revision created the page (default false)
2001 * - oldcountable: boolean or null (default null):
2002 * - boolean: whether the page was counted as an article before that
2003 * revision, only used in changed is true and created is false
2004 * - null: don't change the article count
2006 public function doEditUpdates( Revision
$revision, User
$user, array $options = array() ) {
2007 global $wgDeferredUpdateList, $wgEnableParserCache;
2009 wfProfileIn( __METHOD__
);
2011 $options +
= array( 'changed' => true, 'created' => false, 'oldcountable' => null );
2012 $text = $revision->getText();
2015 # Be careful not to double-PST: $text is usually already PST-ed once
2016 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2017 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2018 $editInfo = $this->prepareTextForEdit( $text, $revision->getId(), $user );
2020 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2021 $editInfo = $this->mPreparedEdit
;
2024 # Save it to the parser cache
2025 if ( $wgEnableParserCache ) {
2026 $parserCache = ParserCache
::singleton();
2027 $parserCache->save( $editInfo->output
, $this, $editInfo->popts
);
2030 # Update the links tables
2031 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
);
2034 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $options['changed'] ) );
2036 if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2037 if ( 0 == mt_rand( 0, 99 ) ) {
2038 // Flush old entries from the `recentchanges` table; we do this on
2039 // random requests so as to avoid an increase in writes for no good reason
2042 $dbw = wfGetDB( DB_MASTER
);
2043 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2046 array( "rc_timestamp < '$cutoff'" ),
2052 $id = $this->getId();
2053 $title = $this->mTitle
->getPrefixedDBkey();
2054 $shortTitle = $this->mTitle
->getDBkey();
2057 wfProfileOut( __METHOD__
);
2061 if ( !$options['changed'] ) {
2064 } elseif ( $options['created'] ) {
2065 $good = (int)$this->isCountable( $editInfo );
2067 } elseif ( $options['oldcountable'] !== null ) {
2068 $good = (int)$this->isCountable( $editInfo ) - (int)$options['oldcountable'];
2075 $wgDeferredUpdateList[] = new SiteStatsUpdate( 0, 1, $good, $total );
2076 $wgDeferredUpdateList[] = new SearchUpdate( $id, $title, $text );
2078 # If this is another user's talk page, update newtalk.
2079 # Don't do this if $options['changed'] = false (null-edits) nor if
2080 # it's a minor edit and the user doesn't want notifications for those.
2081 if ( $options['changed']
2082 && $this->mTitle
->getNamespace() == NS_USER_TALK
2083 && $shortTitle != $user->getTitleKey()
2084 && !( $revision->isMinor() && $user->isAllowed( 'nominornewtalk' ) )
2086 if ( wfRunHooks( 'ArticleEditUpdateNewTalk', array( &$this ) ) ) {
2087 $other = User
::newFromName( $shortTitle, false );
2089 wfDebug( __METHOD__
. ": invalid username\n" );
2090 } elseif ( User
::isIP( $shortTitle ) ) {
2091 // An anonymous user
2092 $other->setNewtalk( true );
2093 } elseif ( $other->isLoggedIn() ) {
2094 $other->setNewtalk( true );
2096 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2101 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2102 MessageCache
::singleton()->replace( $shortTitle, $text );
2105 if( $options['created'] ) {
2106 self
::onArticleCreate( $this->mTitle
);
2108 self
::onArticleEdit( $this->mTitle
);
2111 wfProfileOut( __METHOD__
);
2115 * Perform article updates on a special page creation.
2117 * @param $rev Revision object
2119 * @todo This is a shitty interface function. Kill it and replace the
2120 * other shitty functions like doEditUpdates and such so it's not needed
2122 * @deprecated since 1.18, use doEditUpdates()
2124 public function createUpdates( $rev ) {
2126 $this->doEditUpdates( $rev, $wgUser, array( 'created' => true ) );
2130 * This function is called right before saving the wikitext,
2131 * so we can do things like signatures and links-in-context.
2133 * @param $text String article contents
2134 * @param $user User object: user doing the edit
2135 * @param $popts ParserOptions object: parser options, default options for
2136 * the user loaded if null given
2137 * @return string article contents with altered wikitext markup (signatures
2138 * converted, {{subst:}}, templates, etc.)
2140 public function preSaveTransform( $text, User
$user = null, ParserOptions
$popts = null ) {
2141 global $wgParser, $wgUser;
2142 $user = is_null( $user ) ?
$wgUser : $user;
2144 if ( $popts === null ) {
2145 $popts = ParserOptions
::newFromUser( $user );
2148 return $wgParser->preSaveTransform( $text, $this->mTitle
, $user, $popts );
2152 * Loads page_touched and returns a value indicating if it should be used
2153 * @return boolean true if not a redirect
2155 public function checkTouched() {
2156 if ( !$this->mDataLoaded
) {
2157 $this->loadPageData();
2159 return !$this->mIsRedirect
;
2163 * Get the page_touched field
2164 * @return string containing GMT timestamp
2166 public function getTouched() {
2167 if ( !$this->mDataLoaded
) {
2168 $this->loadPageData();
2170 return $this->mTouched
;
2174 * Get the page_latest field
2175 * @return integer rev_id of current revision
2177 public function getLatest() {
2178 if ( !$this->mDataLoaded
) {
2179 $this->loadPageData();
2181 return (int)$this->mLatest
;
2185 * Edit an article without doing all that other stuff
2186 * The article must already exist; link tables etc
2187 * are not updated, caches are not flushed.
2189 * @param $text String: text submitted
2190 * @param $user User The relevant user
2191 * @param $comment String: comment submitted
2192 * @param $minor Boolean: whereas it's a minor modification
2194 public function doQuickEdit( $text, User
$user, $comment = '', $minor = 0 ) {
2195 wfProfileIn( __METHOD__
);
2197 $dbw = wfGetDB( DB_MASTER
);
2198 $revision = new Revision( array(
2199 'page' => $this->getId(),
2201 'comment' => $comment,
2202 'minor_edit' => $minor ?
1 : 0,
2204 $revision->insertOn( $dbw );
2205 $this->updateRevisionOn( $dbw, $revision );
2207 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
2209 wfProfileOut( __METHOD__
);
2213 * The onArticle*() functions are supposed to be a kind of hooks
2214 * which should be called whenever any of the specified actions
2217 * This is a good place to put code to clear caches, for instance.
2219 * This is called on page move and undelete, as well as edit
2221 * @param $title Title object
2223 public static function onArticleCreate( $title ) {
2224 global $wgDeferredUpdateList;
2226 # Update existence markers on article/talk tabs...
2227 if ( $title->isTalkPage() ) {
2228 $other = $title->getSubjectPage();
2230 $other = $title->getTalkPage();
2233 $other->invalidateCache();
2234 $other->purgeSquid();
2236 $title->touchLinks();
2237 $title->purgeSquid();
2238 $title->deleteTitleProtection();
2240 # Invalidate caches of distant articles which transclude this page
2241 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'globaltemplatelinks' );
2245 * Clears caches when article is deleted
2247 * @param $title Title
2249 public static function onArticleDelete( $title ) {
2250 global $wgMessageCache, $wgDeferredUpdateList;
2252 # Update existence markers on article/talk tabs...
2253 if ( $title->isTalkPage() ) {
2254 $other = $title->getSubjectPage();
2256 $other = $title->getTalkPage();
2259 $other->invalidateCache();
2260 $other->purgeSquid();
2262 $title->touchLinks();
2263 $title->purgeSquid();
2266 HTMLFileCache
::clearFileCache( $title );
2269 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
2270 MessageCache
::singleton()->replace( $title->getDBkey(), false );
2274 if ( $title->getNamespace() == NS_FILE
) {
2275 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
2276 $update->doUpdate();
2280 if ( $title->getNamespace() == NS_USER_TALK
) {
2281 $user = User
::newFromName( $title->getText(), false );
2282 $user->setNewtalk( false );
2286 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
2288 # Invalidate caches of distant articles which transclude this page
2289 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'globaltemplatelinks' );
2293 * Purge caches on page update etc
2295 * @param $title Title object
2296 * @todo: verify that $title is always a Title object (and never false or null), add Title hint to parameter $title
2298 public static function onArticleEdit( $title ) {
2299 global $wgDeferredUpdateList;
2301 // Invalidate caches of articles which include this page
2302 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
2304 // Invalidate caches of distant articles which transclude this page
2305 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'globaltemplatelinks' );
2307 // Invalidate the caches of all pages which redirect here
2308 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
2310 # Purge squid for this page only
2311 $title->purgeSquid();
2313 # Clear file cache for this page only
2314 HTMLFileCache
::clearFileCache( $title );
2320 * Return a list of templates used by this article.
2321 * Uses the templatelinks table
2323 * @return Array of Title objects
2325 public function getUsedTemplates() {
2327 $id = $this->mTitle
->getArticleID();
2333 $dbr = wfGetDB( DB_SLAVE
);
2334 $res = $dbr->select( array( 'templatelinks' ),
2335 array( 'tl_namespace', 'tl_title' ),
2336 array( 'tl_from' => $id ),
2339 if ( $res !== false ) {
2340 foreach ( $res as $row ) {
2341 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
2349 * Return a list of distant templates used by this article.
2350 * Uses the globaltemplatelinks table
2352 * @return Array of Title objects
2354 public function getUsedDistantTemplates() {
2355 global $wgGlobalDatabase;
2359 if ( $wgGlobalDatabase ) {
2360 $id = $this->mTitle
->getArticleID();
2366 $dbr = wfGetDB( DB_SLAVE
, array(), $wgGlobalDatabase );
2367 $res = $dbr->select( 'globaltemplatelinks',
2368 array( 'gtl_to_prefix', 'gtl_to_namespace', 'gtl_to_title' ),
2369 array( 'gtl_from_wiki' => wfWikiID( ), 'gtl_from_page' => $id ),
2372 if ( $res !== false ) {
2373 foreach ( $res as $row ) {
2374 $result[] = Title
::makeTitle( $row->gtl_to_namespace
, $row->gtl_to_title
, null, $row->gtl_to_prefix
);
2383 * Returns a list of hidden categories this page is a member of.
2384 * Uses the page_props and categorylinks tables.
2386 * @return Array of Title objects
2388 public function getHiddenCategories() {
2390 $id = $this->mTitle
->getArticleID();
2396 $dbr = wfGetDB( DB_SLAVE
);
2397 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
2399 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
2400 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to' ),
2403 if ( $res !== false ) {
2404 foreach ( $res as $row ) {
2405 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
2413 * Return an applicable autosummary if one exists for the given edit.
2414 * @param $oldtext String: the previous text of the page.
2415 * @param $newtext String: The submitted text of the page.
2416 * @param $flags Int bitmask: a bitmask of flags submitted for the edit.
2417 * @return string An appropriate autosummary, or an empty string.
2419 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2422 # Decide what kind of autosummary is needed.
2424 # Redirect autosummaries
2425 $ot = Title
::newFromRedirect( $oldtext );
2426 $rt = Title
::newFromRedirect( $newtext );
2428 if ( is_object( $rt ) && ( !is_object( $ot ) ||
!$rt->equals( $ot ) ||
$ot->getFragment() != $rt->getFragment() ) ) {
2429 $truncatedtext = $wgContLang->truncate(
2430 str_replace( "\n", ' ', $newtext ),
2432 - strlen( wfMsgForContent( 'autoredircomment' ) )
2433 - strlen( $rt->getFullText() )
2435 return wfMsgForContent( 'autoredircomment', $rt->getFullText(), $truncatedtext );
2438 # New page autosummaries
2439 if ( $flags & EDIT_NEW
&& strlen( $newtext ) ) {
2440 # If they're making a new article, give its text, truncated, in the summary.
2442 $truncatedtext = $wgContLang->truncate(
2443 str_replace( "\n", ' ', $newtext ),
2444 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
2446 return wfMsgForContent( 'autosumm-new', $truncatedtext );
2449 # Blanking autosummaries
2450 if ( $oldtext != '' && $newtext == '' ) {
2451 return wfMsgForContent( 'autosumm-blank' );
2452 } elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
2453 # Removing more than 90% of the article
2455 $truncatedtext = $wgContLang->truncate(
2457 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
2459 return wfMsgForContent( 'autosumm-replace', $truncatedtext );
2462 # If we reach this point, there's no applicable autosummary for our case, so our
2463 # autosummary is empty.
2468 * Get parser options suitable for rendering the primary article wikitext
2469 * @param $canonical boolean Determines that the generated options must not depend on user preferences (see bug 14404)
2470 * @return mixed ParserOptions object or boolean false
2472 public function getParserOptions( $canonical = false ) {
2473 global $wgUser, $wgLanguageCode;
2475 if ( !$this->mParserOptions ||
$canonical ) {
2476 $user = !$canonical ?
$wgUser : new User
;
2477 $parserOptions = new ParserOptions( $user );
2478 $parserOptions->setTidy( true );
2479 $parserOptions->enableLimitReport();
2482 $parserOptions->setUserLang( $wgLanguageCode ); # Must be set explicitely
2483 return $parserOptions;
2485 $this->mParserOptions
= $parserOptions;
2487 // Clone to allow modifications of the return value without affecting cache
2488 return clone $this->mParserOptions
;
2492 * Get parser options suitable for rendering the primary article wikitext
2494 * @return ParserOptions
2496 public function makeParserOptions( User
$user ) {
2497 $options = ParserOptions
::newFromUser( $user );
2498 $options->enableLimitReport(); // show inclusion/loop reports
2499 $options->setTidy( true ); // fix bad HTML
2504 * Update all the appropriate counts in the category table, given that
2505 * we've added the categories $added and deleted the categories $deleted.
2507 * @param $added array The names of categories that were added
2508 * @param $deleted array The names of categories that were deleted
2510 public function updateCategoryCounts( $added, $deleted ) {
2511 $ns = $this->mTitle
->getNamespace();
2512 $dbw = wfGetDB( DB_MASTER
);
2514 # First make sure the rows exist. If one of the "deleted" ones didn't
2515 # exist, we might legitimately not create it, but it's simpler to just
2516 # create it and then give it a negative value, since the value is bogus
2519 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
2520 $insertCats = array_merge( $added, $deleted );
2521 if ( !$insertCats ) {
2522 # Okay, nothing to do
2526 $insertRows = array();
2528 foreach ( $insertCats as $cat ) {
2529 $insertRows[] = array(
2530 'cat_id' => $dbw->nextSequenceValue( 'category_cat_id_seq' ),
2534 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
2536 $addFields = array( 'cat_pages = cat_pages + 1' );
2537 $removeFields = array( 'cat_pages = cat_pages - 1' );
2539 if ( $ns == NS_CATEGORY
) {
2540 $addFields[] = 'cat_subcats = cat_subcats + 1';
2541 $removeFields[] = 'cat_subcats = cat_subcats - 1';
2542 } elseif ( $ns == NS_FILE
) {
2543 $addFields[] = 'cat_files = cat_files + 1';
2544 $removeFields[] = 'cat_files = cat_files - 1';
2551 array( 'cat_title' => $added ),
2560 array( 'cat_title' => $deleted ),
2567 * Updates cascading protections
2569 * @param $parserOutput ParserOutput object for the current version
2571 public function doCascadeProtectionUpdates( ParserOutput
$parserOutput ) {
2572 if ( wfReadOnly() ||
!$this->mTitle
->areRestrictionsCascading() ) {
2576 // templatelinks table may have become out of sync,
2577 // especially if using variable-based transclusions.
2578 // For paranoia, check if things have changed and if
2579 // so apply updates to the database. This will ensure
2580 // that cascaded protections apply as soon as the changes
2583 # Get templates from templatelinks
2584 $id = $this->mTitle
->getArticleID();
2586 $tlTemplates = array();
2588 $dbr = wfGetDB( DB_SLAVE
);
2589 $res = $dbr->select( array( 'templatelinks' ),
2590 array( 'tl_namespace', 'tl_title' ),
2591 array( 'tl_from' => $id ),
2595 foreach ( $res as $row ) {
2596 $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
2599 # Get templates from parser output.
2600 $poTemplates = array();
2601 foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
2602 foreach ( $templates as $dbk => $id ) {
2603 $poTemplates["$ns:$dbk"] = true;
2608 $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
2610 if ( count( $templates_diff ) > 0 ) {
2611 # Whee, link updates time.
2612 $u = new LinksUpdate( $this->mTitle
, $parserOutput, false );
2618 * @deprecated since 1.18
2620 public function quickEdit( $text, $comment = '', $minor = 0 ) {
2622 return $this->doQuickEdit( $text, $wgUser, $comment, $minor );
2626 * @deprecated since 1.18
2628 public function viewUpdates() {
2630 return $this->doViewUpdates( $wgUser );
2634 * @deprecated since 1.18
2636 public function useParserCache( $oldid ) {
2638 return $this->isParserCacheUsed( $wgUser, $oldid );