PHP Article::onArticleEdit方法代码示例

// Was anything restored at all?
if ($restored == 0) {
    print "Nothing was restored\n";
    exit(1);
}
if ($revision) {
    // Attach the latest revision to the page...
    $wasnew = $article->updateIfNewerOn($dbw, $revision, $previousRevId);
    if ($newid || $wasnew) {
        // Update site stats, link tables, etc
        $article->createUpdates($revision);
    }
    if ($newid) {
        Article::onArticleCreate($page);
    } else {
        Article::onArticleEdit($page);
    }
    if ($page->getNamespace() == NS_IMAGE) {
        $update = new HTMLCacheUpdate($page, 'imagelinks');
        $update->doUpdate();
    }
} else {
    // Revision couldn't be created. This is very weird
    print "We got an unknown error\n";
    exit(1);
}
# Now that it's safely stored, take it out of the archive
$dbw->delete('archive', array('ar_namespace' => $page->getNamespace(), 'ar_title' => $page->getDBkey(), $oldones), __METHOD__);
print $page->getPrefixedText();
if ($restored) {
    print "\n";

//.........这里部分代码省略.........
                 # Delete the invalid revision if the DB is not transactional
                 if (!$wgDBtransactions) {
                     $dbw->delete('revision', array('rev_id' => $revisionId), __METHOD__);
                 }
                 $revisionId = 0;
                 $dbw->rollback();
             } else {
                 global $wgUseRCPatrol;
                 wfRunHooks('NewRevisionFromEditComplete', array($this, $revision, $baseRevId, $user));
                 # Update recentchanges
                 if (!($flags & EDIT_SUPPRESS_RC)) {
                     # Mark as patrolled if the user can do so
                     $patrolled = $wgUseRCPatrol && $this->mTitle->userCan('autopatrol');
                     # Add RC row to the DB
                     $rc = RecentChange::notifyEdit($now, $this->mTitle, $isminor, $user, $summary, $this->mLatest, $this->getTimestamp(), $bot, '', $oldsize, $newsize, $revisionId, $patrolled);
                     # Log auto-patrolled edits
                     if ($patrolled) {
                         PatrolLog::record($rc, true);
                     }
                 }
                 $user->incEditCount();
                 $dbw->commit();
             }
         } else {
             $status->warning('edit-no-change');
             $revision = null;
             // Keep the same revision ID, but do some updates on it
             $revisionId = $this->getRevIdFetched();
             // Update page_touched, this is usually implicit in the page update
             // Other cache updates are done in onArticleEdit()
             $this->mTitle->invalidateCache();
         }
         if (!$wgDBtransactions) {
             ignore_user_abort($userAbort);
         }
         // Now that ignore_user_abort is restored, we can respond to fatal errors
         if (!$status->isOK()) {
             wfProfileOut(__METHOD__);
             return $status;
         }
         # Invalidate cache of this article and all pages using this article
         # as a template. Partly deferred.
         Article::onArticleEdit($this->mTitle);
         # Update links tables, site stats, etc.
         $this->editUpdates($text, $summary, $isminor, $now, $revisionId, $changed);
     } else {
         # Create new article
         $status->value['new'] = true;
         # Set statistics members
         # We work out if it's countable after PST to avoid counter drift
         # when articles are created with {{subst:}}
         $this->mGoodAdjustment = (int) $this->isCountable($text);
         $this->mTotalAdjustment = 1;
         $dbw->begin();
         # Add the page record; stake our claim on this title!
         # This will return false if the article already exists
         $newid = $this->insertOn($dbw);
         if ($newid === false) {
             $dbw->rollback();
             $status->fatal('edit-already-exists');
             wfProfileOut(__METHOD__);
             return $status;
         }
         # Save the revision text...
         $revision = new Revision(array('page' => $newid, 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text, 'user' => $user->getId(), 'user_text' => $user->getName()));
         $revisionId = $revision->insertOn($dbw);
         $this->mTitle->resetArticleID($newid);
         # Update the page record with revision data
         $this->updateRevisionOn($dbw, $revision, 0);
         wfRunHooks('NewRevisionFromEditComplete', array($this, $revision, false, $user));
         # Update recentchanges
         if (!($flags & EDIT_SUPPRESS_RC)) {
             global $wgUseRCPatrol, $wgUseNPPatrol;
             # Mark as patrolled if the user can do so
             $patrolled = ($wgUseRCPatrol || $wgUseNPPatrol) && $this->mTitle->userCan('autopatrol');
             # Add RC row to the DB
             $rc = RecentChange::notifyNew($now, $this->mTitle, $isminor, $user, $summary, $bot, '', strlen($text), $revisionId, $patrolled);
             # Log auto-patrolled edits
             if ($patrolled) {
                 PatrolLog::record($rc, true);
             }
         }
         $user->incEditCount();
         $dbw->commit();
         # Update links, etc.
         $this->editUpdates($text, $summary, $isminor, $now, $revisionId, true);
         # Clear caches
         Article::onArticleCreate($this->mTitle);
         wfRunHooks('ArticleInsertComplete', array(&$this, &$user, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags, $revision));
     }
     # Do updates right now unless deferral was requested
     if (!($flags & EDIT_DEFER_UPDATES)) {
         wfDoUpdates();
     }
     // Return the new revision (or null) to the caller
     $status->value['revision'] = $revision;
     wfRunHooks('ArticleSaveComplete', array(&$this, &$user, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status, $baseRevId));
     wfProfileOut(__METHOD__);
     return $status;
 }

 function importOldRevision()
 {
     $dbw = wfGetDB(DB_MASTER);
     # Sneak a single revision into place
     $user = User::newFromName($this->getUser());
     if ($user) {
         $userId = intval($user->getId());
         $userText = $user->getName();
     } else {
         $userId = 0;
         $userText = $this->getUser();
     }
     // avoid memory leak...?
     $linkCache = LinkCache::singleton();
     $linkCache->clear();
     $article = new Article($this->title);
     $pageId = $article->getId();
     if ($pageId == 0) {
         # must create the page...
         $pageId = $article->insertOn($dbw);
         $created = true;
     } else {
         $created = false;
         $prior = $dbw->selectField('revision', '1', array('rev_page' => $pageId, 'rev_timestamp' => $dbw->timestamp($this->timestamp), 'rev_user_text' => $userText, 'rev_comment' => $this->getComment()), __METHOD__);
         if ($prior) {
             // FIXME: this could fail slightly for multiple matches :P
             wfDebug(__METHOD__ . ": skipping existing revision for [[" . $this->title->getPrefixedText() . "]], timestamp " . $this->timestamp . "\n");
             return false;
         }
     }
     # FIXME: Use original rev_id optionally (better for backups)
     # Insert the row
     $revision = new Revision(array('page' => $pageId, 'text' => $this->getText(), 'comment' => $this->getComment(), 'user' => $userId, 'user_text' => $userText, 'timestamp' => $this->timestamp, 'minor_edit' => $this->minor));
     $revId = $revision->insertOn($dbw);
     $changed = $article->updateIfNewerOn($dbw, $revision);
     # To be on the safe side...
     $tempTitle = $GLOBALS['wgTitle'];
     $GLOBALS['wgTitle'] = $this->title;
     if ($created) {
         wfDebug(__METHOD__ . ": running onArticleCreate\n");
         Article::onArticleCreate($this->title);
         wfDebug(__METHOD__ . ": running create updates\n");
         $article->createUpdates($revision);
     } elseif ($changed) {
         wfDebug(__METHOD__ . ": running onArticleEdit\n");
         Article::onArticleEdit($this->title);
         wfDebug(__METHOD__ . ": running edit updates\n");
         $article->editUpdates($this->getText(), $this->getComment(), $this->minor, $this->timestamp, $revId);
     }
     $GLOBALS['wgTitle'] = $tempTitle;
     return true;
 }

//.........这里部分代码省略.........
     $text = $this->preSaveTransform($text);
     $newsize = strlen($text);
     $dbw =& wfGetDB(DB_MASTER);
     $now = wfTimestampNow();
     if ($flags & EDIT_UPDATE) {
         # Update article, but only if changed.
         # Make sure the revision is either completely inserted or not inserted at all
         if (!$wgDBtransactions) {
             $userAbort = ignore_user_abort(true);
         }
         $lastRevision = 0;
         $revisionId = 0;
         if (0 != strcmp($text, $oldtext)) {
             $this->mGoodAdjustment = (int) $this->isCountable($text) - (int) $this->isCountable($oldtext);
             $this->mTotalAdjustment = 0;
             $lastRevision = $dbw->selectField('page', 'page_latest', array('page_id' => $this->getId()));
             if (!$lastRevision) {
                 # Article gone missing
                 wfDebug(__METHOD__ . ": EDIT_UPDATE specified but article doesn't exist\n");
                 wfProfileOut(__METHOD__);
                 return false;
             }
             $revision = new Revision(array('page' => $this->getId(), 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text));
             $dbw->begin();
             $revisionId = $revision->insertOn($dbw);
             # Update page
             $ok = $this->updateRevisionOn($dbw, $revision, $lastRevision);
             if (!$ok) {
                 /* Belated edit conflict! Run away!! */
                 $good = false;
                 $dbw->rollback();
             } else {
                 # Update recentchanges
                 if (!($flags & EDIT_SUPPRESS_RC)) {
                     $rcid = RecentChange::notifyEdit($now, $this->mTitle, $isminor, $wgUser, $summary, $lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize, $revisionId);
                     # Mark as patrolled if the user can do so
                     if ($wgUser->isAllowed('autopatrol')) {
                         RecentChange::markPatrolled($rcid);
                     }
                 }
                 $wgUser->incEditCount();
                 $dbw->commit();
             }
         } else {
             // Keep the same revision ID, but do some updates on it
             $revisionId = $this->getRevIdFetched();
             // Update page_touched, this is usually implicit in the page update
             // Other cache updates are done in onArticleEdit()
             $this->mTitle->invalidateCache();
         }
         if (!$wgDBtransactions) {
             ignore_user_abort($userAbort);
         }
         if ($good) {
             # Invalidate cache of this article and all pages using this article
             # as a template. Partly deferred.
             Article::onArticleEdit($this->mTitle);
             # Update links tables, site stats, etc.
             $changed = strcmp($oldtext, $text) != 0;
             $this->editUpdates($text, $summary, $isminor, $now, $revisionId, $changed);
         }
     } else {
         # Create new article
         # Set statistics members
         # We work out if it's countable after PST to avoid counter drift
         # when articles are created with {{subst:}}
         $this->mGoodAdjustment = (int) $this->isCountable($text);
         $this->mTotalAdjustment = 1;
         $dbw->begin();
         # Add the page record; stake our claim on this title!
         # This will fail with a database query exception if the article already exists
         $newid = $this->insertOn($dbw);
         # Save the revision text...
         $revision = new Revision(array('page' => $newid, 'comment' => $summary, 'minor_edit' => $isminor, 'text' => $text));
         $revisionId = $revision->insertOn($dbw);
         $this->mTitle->resetArticleID($newid);
         # Update the page record with revision data
         $this->updateRevisionOn($dbw, $revision, 0);
         if (!($flags & EDIT_SUPPRESS_RC)) {
             $rcid = RecentChange::notifyNew($now, $this->mTitle, $isminor, $wgUser, $summary, $bot, '', strlen($text), $revisionId);
             # Mark as patrolled if the user can
             if ($wgUser->isAllowed('autopatrol')) {
                 RecentChange::markPatrolled($rcid);
             }
         }
         $wgUser->incEditCount();
         $dbw->commit();
         # Update links, etc.
         $this->editUpdates($text, $summary, $isminor, $now, $revisionId, true);
         # Clear caches
         Article::onArticleCreate($this->mTitle);
         wfRunHooks('ArticleInsertComplete', array(&$this, &$wgUser, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags));
     }
     if ($good && !($flags & EDIT_DEFER_UPDATES)) {
         wfDoUpdates();
     }
     wfRunHooks('ArticleSaveComplete', array(&$this, &$wgUser, $text, $summary, $flags & EDIT_MINOR, null, null, &$flags));
     wfProfileOut(__METHOD__);
     return $good;
 }

 /**
  * AJAX helper called from view mode to save gallery data
  * @author Marooned
  */
 public static function saveGalleryDataByHash($hash, $wikitext, $starttime)
 {
     global $wgTitle, $wgUser;
     wfProfileIn(__METHOD__);
     wfDebug(__METHOD__ . ": {$wikitext}\n");
     $result = array();
     // save changed gallery
     $rev = Revision::newFromTitle($wgTitle);
     // try to fix fatal (article has been removed since user opened the page)
     if (empty($rev)) {
         $result['info'] = 'conflict';
         wfDebug(__METHOD__ . ": revision is empty\n");
         wfProfileOut(__METHOD__);
         return $result;
     }
     $articleWikitext = $rev->getText();
     $gallery = '';
     preg_match_all('%<gallery([^>]*)>(.*?)</gallery>%s', $articleWikitext, $matches, PREG_PATTERN_ORDER);
     for ($i = 0; $i < count($matches[0]); $i++) {
         $attribs = Sanitizer::decodeTagAttributes($matches[1][$i]);
         //count hash from attribs and content
         if (md5($matches[2][$i] . implode('', $attribs)) == $hash) {
             $gallery = $matches[0][$i];
             break;
         }
     }
     if (empty($gallery)) {
         $result['info'] = 'conflict';
         wfDebug(__METHOD__ . ": conflict found\n");
     } else {
         $articleWikitext = str_replace($gallery, $wikitext, $articleWikitext);
         //saving
         if ($wgTitle->userCan('edit') && !$wgUser->isBlocked()) {
             $result = null;
             $article = new Article($wgTitle);
             $editPage = new EditPage($article);
             $editPage->edittime = $article->getTimestamp();
             $editPage->starttime = $starttime;
             $editPage->textbox1 = $articleWikitext;
             $editPage->summary = wfMsgForContent('wikiaPhotoGallery-edit-summary');
             // watch all my edits / preserve watchlist (RT #59138)
             if ($wgUser->getOption('watchdefault')) {
                 $editPage->watchthis = true;
             } else {
                 $editPage->watchthis = $editPage->mTitle->userIsWatching();
             }
             $bot = $wgUser->isAllowed('bot');
             $status = $editPage->internalAttemptSave($result, $bot);
             $retval = $status->value;
             Wikia::log(__METHOD__, "editpage", "Returned value {$retval}");
             switch ($retval) {
                 case EditPage::AS_SUCCESS_UPDATE:
                 case EditPage::AS_SUCCESS_NEW_ARTICLE:
                     $wgTitle->invalidateCache();
                     Article::onArticleEdit($wgTitle);
                     $result['info'] = 'ok';
                     break;
                 case EditPage::AS_SPAM_ERROR:
                     $result['error'] = wfMsg('spamprotectiontext') . '<p>( Call #4 )</p>';
                     break;
                 default:
                     $result['error'] = wfMsg('wikiaPhotoGallery-edit-abort');
             }
         } else {
             $result['error'] = wfMsg('wikiaPhotoGallery-error-user-rights');
         }
         if (isset($result['error'])) {
             $result['errorCaption'] = wfMsg('wikiaPhotoGallery-error-caption');
         }
         //end of saving
         wfDebug(__METHOD__ . ": saving from view mode done\n");
         // commit (RT #48304)
         $dbw = wfGetDB(DB_MASTER);
         $dbw->commit();
     }
     wfProfileOut(__METHOD__);
     return $result;
 }

 function importOldRevision()
 {
     $dbw = wfGetDB(DB_MASTER);
     # Sneak a single revision into place
     $user = User::newFromName($this->getUser());
     if ($user) {
         $userId = intval($user->getId());
         $userText = $user->getName();
     } else {
         $userId = 0;
         $userText = $this->getUser();
     }
     // avoid memory leak...?
     $linkCache =& LinkCache::singleton();
     $linkCache->clear();
     $article = new Article($this->title);
     $pageId = $article->getId();
     if ($pageId == 0) {
         # must create the page...
         $pageId = $article->insertOn($dbw);
         $created = true;
     } else {
         $created = false;
         $prior = Revision::loadFromTimestamp($dbw, $this->title, $this->timestamp);
         if (!is_null($prior)) {
             // FIXME: this could fail slightly for multiple matches :P
             wfDebug(__METHOD__ . ": skipping existing revision for [[" . $this->title->getPrefixedText() . "]], timestamp " . $this->timestamp . "\n");
             return false;
         }
     }
     # FIXME: Use original rev_id optionally
     # FIXME: blah blah blah
     #if( $numrows > 0 ) {
     #	return wfMsg( "importhistoryconflict" );
     #}
     # Insert the row
     $revision = new Revision(array('page' => $pageId, 'text' => $this->getText(), 'comment' => $this->getComment(), 'user' => $userId, 'user_text' => $userText, 'timestamp' => $this->timestamp, 'minor_edit' => $this->minor));
     $revId = $revision->insertOn($dbw);
     $changed = $article->updateIfNewerOn($dbw, $revision);
     if ($created) {
         wfDebug(__METHOD__ . ": running onArticleCreate\n");
         Article::onArticleCreate($this->title);
         wfDebug(__METHOD__ . ": running create updates\n");
         $article->createUpdates($revision);
     } elseif ($changed) {
         wfDebug(__METHOD__ . ": running onArticleEdit\n");
         Article::onArticleEdit($this->title);
         wfDebug(__METHOD__ . ": running edit updates\n");
         $article->editUpdates($this->getText(), $this->getComment(), $this->minor, $this->timestamp, $revId);
     }
     return true;
 }

 /**
  * This is the meaty bit -- restores archived revisions of the given page
  * to the cur/old tables. If the page currently exists, all revisions will
  * be stuffed into old, otherwise the most recent will go into cur.
  *
  * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
  * @param string $comment
  * @param array $fileVersions
  *
  * @return mixed number of revisions restored or false on failure
  */
 private function undeleteRevisions($timestamps)
 {
     if (wfReadOnly()) {
         return false;
     }
     $restoreAll = empty($timestamps);
     $dbw = wfGetDB(DB_MASTER);
     # Does this page already exist? We'll have to update it...
     $article = new Article($this->title);
     $options = 'FOR UPDATE';
     $page = $dbw->selectRow('page', array('page_id', 'page_latest'), array('page_namespace' => $this->title->getNamespace(), 'page_title' => $this->title->getDBkey()), __METHOD__, $options);
     if ($page) {
         # Page already exists. Import the history, and if necessary
         # we'll update the latest revision field in the record.
         $newid = 0;
         $pageId = $page->page_id;
         $previousRevId = $page->page_latest;
     } else {
         # Have to create a new article...
         $newid = $article->insertOn($dbw);
         $pageId = $newid;
         $previousRevId = 0;
     }
     if ($restoreAll) {
         $oldones = '1 = 1';
         # All revisions...
     } else {
         $oldts = implode(',', array_map(array(&$dbw, 'addQuotes'), array_map(array(&$dbw, 'timestamp'), $timestamps)));
         $oldones = "ar_timestamp IN ( {$oldts} )";
     }
     /**
      * Restore each revision...
      */
     $result = $dbw->select('archive', array('ar_rev_id', 'ar_text', 'ar_comment', 'ar_user', 'ar_user_text', 'ar_timestamp', 'ar_minor_edit', 'ar_flags', 'ar_text_id', 'ar_page_id', 'ar_len'), array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), __METHOD__, array('ORDER BY' => 'ar_timestamp'));
     if ($dbw->numRows($result) < count($timestamps)) {
         wfDebug(__METHOD__ . ": couldn't find all requested rows\n");
         return false;
     }
     $revision = null;
     $restored = 0;
     while ($row = $dbw->fetchObject($result)) {
         if ($row->ar_text_id) {
             // Revision was deleted in 1.5+; text is in
             // the regular text table, use the reference.
             // Specify null here so the so the text is
             // dereferenced for page length info if needed.
             $revText = null;
         } else {
             // Revision was deleted in 1.4 or earlier.
             // Text is squashed into the archive row, and
             // a new text table entry will be created for it.
             $revText = Revision::getRevisionText($row, 'ar_');
         }
         $revision = new Revision(array('page' => $pageId, 'id' => $row->ar_rev_id, 'text' => $revText, 'comment' => $row->ar_comment, 'user' => $row->ar_user, 'user_text' => $row->ar_user_text, 'timestamp' => $row->ar_timestamp, 'minor_edit' => $row->ar_minor_edit, 'text_id' => $row->ar_text_id, 'len' => $row->ar_len));
         $revision->insertOn($dbw);
         $restored++;
         wfRunHooks('ArticleRevisionUndeleted', array(&$this->title, $revision, $row->ar_page_id));
     }
     // Was anything restored at all?
     if ($restored == 0) {
         return 0;
     }
     if ($revision) {
         // Attach the latest revision to the page...
         $wasnew = $article->updateIfNewerOn($dbw, $revision, $previousRevId);
         if ($newid || $wasnew) {
             // Update site stats, link tables, etc
             $article->createUpdates($revision);
         }
         if ($newid) {
             wfRunHooks('ArticleUndelete', array(&$this->title, true));
             Article::onArticleCreate($this->title);
         } else {
             wfRunHooks('ArticleUndelete', array(&$this->title, false));
             Article::onArticleEdit($this->title);
         }
         if ($this->title->getNamespace() == NS_IMAGE) {
             $update = new HTMLCacheUpdate($this->title, 'imagelinks');
             $update->doUpdate();
         }
     } else {
         // Revision couldn't be created. This is very weird
         return self::UNDELETE_UNKNOWNERR;
     }
     # Now that it's safely stored, take it out of the archive
     $dbw->delete('archive', array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), __METHOD__);
     return $restored;
 }

//.........这里部分代码省略.........
             wfDebug(__METHOD__ . ": existing page refers to a page_latest that does not exist\n");
             return 0;
         }
     } else {
         # Have to create a new article...
         $makepage = true;
         $previousRevId = 0;
         $previousTimestamp = 0;
     }
     if ($restoreAll) {
         $oldones = '1 = 1';
         # All revisions...
     } else {
         $oldts = implode(',', array_map(array(&$dbw, 'addQuotes'), array_map(array(&$dbw, 'timestamp'), $timestamps)));
         $oldones = "ar_timestamp IN ( {$oldts} )";
     }
     /**
      * Select each archived revision...
      */
     $result = $dbw->select('archive', array('ar_rev_id', 'ar_text', 'ar_comment', 'ar_user', 'ar_user_text', 'ar_timestamp', 'ar_minor_edit', 'ar_flags', 'ar_text_id', 'ar_deleted', 'ar_page_id', 'ar_len'), array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), __METHOD__, array('ORDER BY' => 'ar_timestamp'));
     $ret = $dbw->resultObject($result);
     $rev_count = $dbw->numRows($result);
     if (!$rev_count) {
         wfDebug(__METHOD__ . ": no revisions to restore\n");
         return false;
         // ???
     }
     $ret->seek($rev_count - 1);
     // move to last
     $row = $ret->fetchObject();
     // get newest archived rev
     $ret->seek(0);
     // move back
     if ($makepage) {
         // Check the state of the newest to-be version...
         if (!$unsuppress && $row->ar_deleted & Revision::DELETED_TEXT) {
             return false;
             // we can't leave the current revision like this!
         }
         // Safe to insert now...
         $newid = $article->insertOn($dbw);
         $pageId = $newid;
     } else {
         // Check if a deleted revision will become the current revision...
         if ($row->ar_timestamp > $previousTimestamp) {
             // Check the state of the newest to-be version...
             if (!$unsuppress && $row->ar_deleted & Revision::DELETED_TEXT) {
                 return false;
                 // we can't leave the current revision like this!
             }
         }
     }
     $revision = null;
     $restored = 0;
     while ($row = $ret->fetchObject()) {
         // Check for key dupes due to shitty archive integrity.
         if ($row->ar_rev_id) {
             $exists = $dbw->selectField('revision', '1', array('rev_id' => $row->ar_rev_id), __METHOD__);
             if ($exists) {
                 continue;
             }
             // don't throw DB errors
         }
         // Insert one revision at a time...maintaining deletion status
         // unless we are specifically removing all restrictions...
         $revision = Revision::newFromArchiveRow($row, array('page' => $pageId, 'deleted' => $unsuppress ? 0 : $row->ar_deleted));
         $revision->insertOn($dbw);
         $restored++;
         wfRunHooks('ArticleRevisionUndeleted', array(&$this->title, $revision, $row->ar_page_id));
     }
     # Now that it's safely stored, take it out of the archive
     $dbw->delete('archive', array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), __METHOD__);
     // Was anything restored at all?
     if ($restored == 0) {
         return 0;
     }
     if ($revision) {
         // Attach the latest revision to the page...
         $wasnew = $article->updateIfNewerOn($dbw, $revision, $previousRevId);
         if ($newid || $wasnew) {
             // Update site stats, link tables, etc
             $article->createUpdates($revision);
         }
         if ($newid) {
             wfRunHooks('ArticleUndelete', array(&$this->title, true, $comment));
             Article::onArticleCreate($this->title);
         } else {
             wfRunHooks('ArticleUndelete', array(&$this->title, false, $comment));
             Article::onArticleEdit($this->title);
         }
         if ($this->title->getNamespace() == NS_FILE) {
             $update = new HTMLCacheUpdate($this->title, 'imagelinks');
             $update->doUpdate();
         }
     } else {
         // Revision couldn't be created. This is very weird
         return self::UNDELETE_UNKNOWNERR;
     }
     return $restored;
 }

 /**
  * Revert a modification
  */
 function rollback()
 {
     global $wgUser, $wgOut, $wgRequest;
     $fname = 'Article::rollback';
     if (!$wgUser->isAllowed('rollback')) {
         $wgOut->sysopRequired();
         return;
     }
     if (wfReadOnly()) {
         $wgOut->readOnlyPage($this->getContent(true));
         return;
     }
     if (!$wgUser->matchEditToken($wgRequest->getVal('token'), array($this->mTitle->getPrefixedText(), $wgRequest->getVal('from')))) {
         $wgOut->setPageTitle(wfMsg('rollbackfailed'));
         $wgOut->addWikiText(wfMsg('sessionfailure'));
         return;
     }
     $dbw =& wfGetDB(DB_MASTER);
     # Enhanced rollback, marks edits rc_bot=1
     $bot = $wgRequest->getBool('bot');
     # Replace all this user's current edits with the next one down
     $tt = $this->mTitle->getDBKey();
     $n = $this->mTitle->getNamespace();
     # Get the last editor, lock table exclusively
     $dbw->begin();
     $current = Revision::newFromTitle($this->mTitle);
     if (is_null($current)) {
         # Something wrong... no page?
         $dbw->rollback();
         $wgOut->addHTML(wfMsg('notanarticle'));
         return;
     }
     $from = str_replace('_', ' ', $wgRequest->getVal('from'));
     if ($from != $current->getUserText()) {
         $wgOut->setPageTitle(wfmsg('rollbackfailed'));
         $wgOut->addWikiText(wfMsg('alreadyrolled', htmlspecialchars($this->mTitle->getPrefixedText()), htmlspecialchars($from), htmlspecialchars($current->getUserText())));
         if ($current->getComment() != '') {
             $wgOut->addHTML(wfMsg('editcomment', htmlspecialchars($current->getComment())));
         }
         return;
     }
     # Get the last edit not by this guy
     $user = IntVal($current->getUser());
     $user_text = $dbw->addQuotes($current->getUserText());
     $s = $dbw->selectRow('revision', array('rev_id', 'rev_timestamp'), array('rev_page' => $current->getPage(), "rev_user <> {$user} OR rev_user_text <> {$user_text}"), $fname, array('USE INDEX' => 'page_timestamp', 'ORDER BY' => 'rev_timestamp DESC'));
     if ($s === false) {
         # Something wrong
         $dbw->rollback();
         $wgOut->setPageTitle(wfMsg('rollbackfailed'));
         $wgOut->addHTML(wfMsg('cantrollback'));
         return;
     }
     if ($bot) {
         # Mark all reverted edits as bot
         $dbw->update('recentchanges', array('rc_bot' => 1), array('rc_cur_id' => $current->getPage(), 'rc_user_text' => $current->getUserText(), "rc_timestamp > '{$s->rev_timestamp}'"), $fname);
     }
     # Save it!
     $target = Revision::newFromId($s->rev_id);
     $newcomment = wfMsgForContent('revertpage', $target->getUserText(), $from);
     $wgOut->setPagetitle(wfMsg('actioncomplete'));
     $wgOut->setRobotpolicy('noindex,nofollow');
     $wgOut->addHTML('<h2>' . htmlspecialchars($newcomment) . "</h2>\n<hr />\n");
     $this->updateArticle($target->getText(), $newcomment, 1, $this->mTitle->userIsWatching(), $bot);
     Article::onArticleEdit($this->mTitle);
     $dbw->commit();
     $wgOut->returnToMain(false);
 }

 /**
  * Create new article
  *
  * When successful returns title object of created article. If not, returns EditPage error code
  */
 protected function createArticle($title, $content, $summary)
 {
     global $wgUser;
     wfProfileIn(__METHOD__);
     self::log(__METHOD__, "creating article '{$title}'");
     //self::log(__METHOD__, array($title, $content, $summary));
     $ret = false;
     // title object for new article
     $newTitle = Title::newFromText($title);
     if (!empty($newTitle) && !empty($wgUser) && $newTitle->userCan('edit') && !$wgUser->isBlocked()) {
         $article = new Article($newTitle);
         $editPage = new EditPage($article);
         $editPage->edittime = $article->getTimestamp();
         $editPage->textbox1 = $content;
         $editPage->summary = $summary;
         $editPage->recreate = true;
         $result = null;
         $bot = $wgUser->isAllowed('bot');
         // do edit
         $status = $editPage->internalAttemptSave($result, $bot);
         $ret = $status->value;
         // creating new article
         if ($ret == EditPage::AS_SUCCESS_NEW_ARTICLE) {
             // edit successful
             $newTitle->invalidateCache();
             Article::onArticleEdit($newTitle);
             self::log(__METHOD__, 'success!');
             $ret = $newTitle;
         } elseif ($ret == EditPage::AS_SPAM_ERROR) {
             self::log(__METHOD__, 'spam found!');
         } else {
             self::log(__METHOD__, 'edit aborted');
         }
     } else {
         self::log(__METHOD__, 'user not allowed to edit');
         $ret = EditPage::AS_USER_CANNOT_EDIT;
     }
     if (is_numeric($ret)) {
         self::log(__METHOD__, "failed with error code #{$ret}");
     }
     wfProfileOut(__METHOD__);
     return $ret;
 }

 /**
  * This is the meaty bit -- restores archived revisions of the given page
  * to the cur/old tables. If the page currently exists, all revisions will
  * be stuffed into old, otherwise the most recent will go into cur.
  * The deletion log will be updated with an undeletion notice.
  *
  * Returns true on success.
  *
  * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
  * @return bool
  */
 function undelete($timestamps)
 {
     global $wgUser, $wgOut, $wgLang, $wgDeferredUpdateList;
     global $wgUseSquid, $wgInternalServer, $wgLinkCache;
     global $wgDBtype;
     $fname = "doUndeleteArticle";
     $restoreAll = empty($timestamps);
     $restoreRevisions = count($timestamps);
     $dbw =& wfGetDB(DB_MASTER);
     extract($dbw->tableNames('page', 'archive'));
     # Does this page already exist? We'll have to update it...
     $article = new Article($this->title);
     $options = $wgDBtype == 'PostgreSQL' ? '' : 'FOR UPDATE';
     $page = $dbw->selectRow('page', array('page_id', 'page_latest'), array('page_namespace' => $this->title->getNamespace(), 'page_title' => $this->title->getDBkey()), $fname, $options);
     if ($page) {
         # Page already exists. Import the history, and if necessary
         # we'll update the latest revision field in the record.
         $newid = 0;
         $pageId = $page->page_id;
         $previousRevId = $page->page_latest;
         $previousTimestamp = $page->rev_timestamp;
     } else {
         # Have to create a new article...
         $newid = $article->insertOn($dbw);
         $pageId = $newid;
         $previousRevId = 0;
         $previousTimestamp = 0;
     }
     if ($restoreAll) {
         $oldones = '1';
         # All revisions...
     } else {
         $oldts = implode(',', array_map(array(&$dbw, 'addQuotes'), array_map(array(&$dbw, 'timestamp'), $timestamps)));
         $oldones = "ar_timestamp IN ( {$oldts} )";
     }
     /**
      * Restore each revision...
      */
     $result = $dbw->select('archive', array('ar_rev_id', 'ar_text', 'ar_comment', 'ar_user', 'ar_user_text', 'ar_timestamp', 'ar_minor_edit', 'ar_flags', 'ar_text_id'), array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), $fname, array('ORDER BY' => 'ar_timestamp'));
     $revision = null;
     while ($row = $dbw->fetchObject($result)) {
         $revision = new Revision(array('page' => $pageId, 'id' => $row->ar_rev_id, 'text' => Revision::getRevisionText($row, 'ar_'), 'comment' => $row->ar_comment, 'user' => $row->ar_user, 'user_text' => $row->ar_user_text, 'timestamp' => $row->ar_timestamp, 'minor_edit' => $row->ar_minor_edit, 'text_id' => $row->ar_text_id));
         $revision->insertOn($dbw);
     }
     if ($revision) {
         # FIXME: Update latest if newer as well...
         if ($newid) {
             # FIXME: update article count if changed...
             $article->updateRevisionOn($dbw, $revision, $previousRevId);
             # Finally, clean up the link tables
             $wgLinkCache = new LinkCache();
             # Select for update
             $wgLinkCache->forUpdate(true);
             # Create a dummy OutputPage to update the outgoing links
             $dummyOut = new OutputPage();
             $dummyOut->addWikiText($revision->getText());
             $u = new LinksUpdate($newid, $this->title->getPrefixedDBkey());
             array_push($wgDeferredUpdateList, $u);
             #TODO: SearchUpdate, etc.
         }
         if ($newid) {
             Article::onArticleCreate($this->title);
         } else {
             Article::onArticleEdit($this->title);
         }
     } else {
         # Something went terribly worong!
     }
     # Now that it's safely stored, take it out of the archive
     $dbw->delete('archive', array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), $fname);
     # Touch the log!
     $log = new LogPage('delete');
     if ($restoreAll) {
         $reason = '';
     } else {
         $reason = wfMsgForContent('undeletedrevisions', $restoreRevisions);
     }
     $log->addEntry('restore', $this->title, $reason);
     return true;
 }

 /**
  * Save categories sent via AJAX into article
  */
 public function save()
 {
     wfProfileIn(__METHOD__);
     $articleId = $this->request->getVal('articleId', 0);
     $categories = $this->request->getVal('categories', array());
     $response = array();
     $title = Title::newFromID($articleId);
     if (wfReadOnly()) {
         $response['error'] = wfMessage('categoryselect-error-db-locked')->text();
     } else {
         if (is_null($title)) {
             $response['error'] = wfMessage('categoryselect-error-article-doesnt-exist', $articleId)->text();
         } else {
             if (!$title->userCan('edit') || $this->wg->User->isBlocked()) {
                 $response['error'] = wfMessage('categoryselect-error-user-rights')->text();
             } else {
                 if (!empty($categories) && is_array($categories)) {
                     Wikia::setVar('EditFromViewMode', 'CategorySelect');
                     $article = new Article($title);
                     $wikitext = $article->fetchContent();
                     // Pull in categories from templates inside of the article (BugId:100980)
                     $options = new ParserOptions();
                     $preprocessedWikitext = ParserPool::preprocess($wikitext, $title, $options);
                     $preprocessedData = CategoryHelper::extractCategoriesFromWikitext($preprocessedWikitext, true);
                     // Compare the new categories with those already in the article to weed out duplicates
                     $newCategories = CategoryHelper::getDiffCategories($preprocessedData['categories'], $categories);
                     // Append the new categories to the end of the article wikitext
                     $wikitext .= CategoryHelper::changeFormat($newCategories, 'array', 'wikitext');
                     // Update the array of categories for the front-end
                     $categories = array_merge($preprocessedData['categories'], $newCategories);
                     $dbw = wfGetDB(DB_MASTER);
                     $dbw->begin();
                     $editPage = new EditPage($article);
                     $editPage->edittime = $article->getTimestamp();
                     $editPage->recreate = true;
                     $editPage->textbox1 = $wikitext;
                     $editPage->summary = wfMessage('categoryselect-edit-summary')->inContentLanguage()->text();
                     $editPage->watchthis = $editPage->mTitle->userIsWatching();
                     $bot = $this->wg->User->isAllowed('bot');
                     $status = $editPage->internalAttemptSave($result, $bot)->value;
                     $response['status'] = $status;
                     switch ($status) {
                         case EditPage::AS_SUCCESS_UPDATE:
                         case EditPage::AS_SUCCESS_NEW_ARTICLE:
                             $dbw->commit();
                             $title->invalidateCache();
                             Article::onArticleEdit($title);
                             $response['html'] = $this->app->renderView('CategorySelectController', 'categories', array('categories' => $categories));
                             wfRunHooks('CategorySelectSave', array($title, $newCategories));
                             break;
                         case EditPage::AS_SPAM_ERROR:
                             $dbw->rollback();
                             $response['error'] = wfMessage('spamprotectiontext')->text() . '<p>( Case #8 )</p>';
                             break;
                         default:
                             $dbw->rollback();
                             $response['error'] = wfMessage('categoryselect-error-edit-abort')->text();
                     }
                 }
             }
         }
     }
     $this->response->setData($response);
     wfProfileOut(__METHOD__);
 }

/**
 * Save categories sent via AJAX into article
 *
 * @author Maciej Błaszkowski <marooned at wikia-inc.com>
 */
function CategorySelectAjaxSaveCategories($articleId, $categories)
{
    global $wgUser;
    if (wfReadOnly()) {
        $result['error'] = wfMsg('categoryselect-error-db-locked');
        return json_encode($result);
    }
    wfProfileIn(__METHOD__);
    Wikia::setVar('EditFromViewMode', 'CategorySelect');
    $categories = CategorySelectChangeFormat($categories, 'json', 'wiki');
    if ($categories == '') {
        $result['info'] = 'Nothing to add.';
    } else {
        $title = Title::newFromID($articleId);
        if (is_null($title)) {
            $result['error'] = wfMsg('categoryselect-error-not-exist', $articleId);
        } else {
            if ($title->userCan('edit') && !$wgUser->isBlocked()) {
                $result = null;
                $article = new Article($title);
                $article_text = $article->fetchContent();
                $article_text .= $categories;
                $dbw = wfGetDB(DB_MASTER);
                $dbw->begin();
                $editPage = new EditPage($article);
                $editPage->edittime = $article->getTimestamp();
                $editPage->recreate = true;
                $editPage->textbox1 = $article_text;
                $editPage->summary = wfMsgForContent('categoryselect-edit-summary');
                $editPage->watchthis = $editPage->mTitle->userIsWatching();
                $bot = $wgUser->isAllowed('bot');
                $status = $editPage->internalAttemptSave($result, $bot);
                $retval = $status->value;
                Wikia::log(__METHOD__, "editpage", "Returned value {$retval}");
                switch ($retval) {
                    case EditPage::AS_SUCCESS_UPDATE:
                    case EditPage::AS_SUCCESS_NEW_ARTICLE:
                        $dbw->commit();
                        $title->invalidateCache();
                        Article::onArticleEdit($title);
                        $skin = RequestContext::getMain()->getSkin();
                        // return HTML with new categories
                        // OutputPage::tryParserCache become deprecated in MW1.17 and removed in MW1.18 (BugId:30443)
                        $parserOutput = ParserCache::singleton()->get($article, $article->getParserOptions());
                        if ($parserOutput !== false) {
                            $skin->getOutput()->addParserOutput($parserOutput);
                        }
                        $cats = $skin->getCategoryLinks();
                        $result['info'] = 'ok';
                        $result['html'] = $cats;
                        break;
                    case EditPage::AS_SPAM_ERROR:
                        $dbw->rollback();
                        $result['error'] = wfMsg('spamprotectiontext') . '<p>( Case #8 )</p>';
                        break;
                    default:
                        $dbw->rollback();
                        $result['error'] = wfMsg('categoryselect-edit-abort');
                }
            } else {
                $result['error'] = wfMsg('categoryselect-error-user-rights');
            }
        }
    }
    wfProfileOut(__METHOD__);
    return json_encode($result);
}

 /**
  * This is the meaty bit -- restores archived revisions of the given page
  * to the cur/old tables. If the page currently exists, all revisions will
  * be stuffed into old, otherwise the most recent will go into cur.
  *
  * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
  * @param string $comment
  * @param array $fileVersions
  *
  * @return int number of revisions restored
  */
 private function undeleteRevisions($timestamps)
 {
     global $wgParser, $wgDBtype;
     $restoreAll = empty($timestamps);
     $dbw =& wfGetDB(DB_MASTER);
     extract($dbw->tableNames('page', 'archive'));
     # Does this page already exist? We'll have to update it...
     $article = new Article($this->title);
     $options = $wgDBtype == 'postgres' ? '' : 'FOR UPDATE';
     $page = $dbw->selectRow('page', array('page_id', 'page_latest'), array('page_namespace' => $this->title->getNamespace(), 'page_title' => $this->title->getDBkey()), __METHOD__, $options);
     if ($page) {
         # Page already exists. Import the history, and if necessary
         # we'll update the latest revision field in the record.
         $newid = 0;
         $pageId = $page->page_id;
         $previousRevId = $page->page_latest;
     } else {
         # Have to create a new article...
         $newid = $article->insertOn($dbw);
         $pageId = $newid;
         $previousRevId = 0;
     }
     if ($restoreAll) {
         $oldones = '1 = 1';
         # All revisions...
     } else {
         $oldts = implode(',', array_map(array(&$dbw, 'addQuotes'), array_map(array(&$dbw, 'timestamp'), $timestamps)));
         $oldones = "ar_timestamp IN ( {$oldts} )";
     }
     /**
      * Restore each revision...
      */
     $result = $dbw->select('archive', array('ar_rev_id', 'ar_text', 'ar_comment', 'ar_user', 'ar_user_text', 'ar_timestamp', 'ar_minor_edit', 'ar_flags', 'ar_text_id'), array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), __METHOD__, array('ORDER BY' => 'ar_timestamp'));
     if ($dbw->numRows($result) < count($timestamps)) {
         wfDebug(__METHOD__ . ": couldn't find all requested rows\n");
         return false;
     }
     $revision = null;
     $newRevId = $previousRevId;
     $restored = 0;
     while ($row = $dbw->fetchObject($result)) {
         if ($row->ar_text_id) {
             // Revision was deleted in 1.5+; text is in
             // the regular text table, use the reference.
             // Specify null here so the so the text is
             // dereferenced for page length info if needed.
             $revText = null;
         } else {
             // Revision was deleted in 1.4 or earlier.
             // Text is squashed into the archive row, and
             // a new text table entry will be created for it.
             $revText = Revision::getRevisionText($row, 'ar_');
         }
         $revision = new Revision(array('page' => $pageId, 'id' => $row->ar_rev_id, 'text' => $revText, 'comment' => $row->ar_comment, 'user' => $row->ar_user, 'user_text' => $row->ar_user_text, 'timestamp' => $row->ar_timestamp, 'minor_edit' => $row->ar_minor_edit, 'text_id' => $row->ar_text_id));
         $newRevId = $revision->insertOn($dbw);
         $restored++;
     }
     if ($revision) {
         # FIXME: Update latest if newer as well...
         if ($newid) {
             // Attach the latest revision to the page...
             $article->updateRevisionOn($dbw, $revision, $previousRevId);
             // Update site stats, link tables, etc
             $article->createUpdates($revision);
         }
         if ($newid) {
             Article::onArticleCreate($this->title);
         } else {
             Article::onArticleEdit($this->title);
         }
     } else {
         # Something went terribly wrong!
     }
     # Now that it's safely stored, take it out of the archive
     $dbw->delete('archive', array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), __METHOD__);
     return $restored;
 }

 function onEdit(&$mvd_pages_cache, $mvd_id)
 {
     // force update local mvd_page_cache from db:
     $mvd_pages_cache[$mvd_id] = MV_Index::getMVDbyId($mvd_id);
     $stream_name = MV_Stream::getStreamNameFromId($this->mvd_pages[$mvd_id]->stream_id);
     $streamTitle = Title::newFromText($stream_name, MV_NS_STREAM);
     // clear the cache for the parent stream page:
     // print "clear parent stream: " . $streamTitle ."\n";
     Article::onArticleEdit($streamTitle);
 }