public function testChangeRemovedWithRev()
{
$revision = Revision::newFromId(Title::newFromText(self::$pageName)->getLatestRevID());
$change = $this->newChange($revision);
$change->triggerCategoryRemovedNotification(Title::newFromText('CategoryName', NS_CATEGORY));
$this->assertEquals(1, self::$notifyCallCounter);
$this->assertTrue(strlen(self::$lastNotifyArgs[0]) === 14);
$this->assertEquals('Category:CategoryName', self::$lastNotifyArgs[1]->getPrefixedText());
$this->assertEquals(self::$revUser->getName(), self::$lastNotifyArgs[2]->getName());
$this->assertEquals('(recentchanges-page-removed-from-category: ' . self::$pageName . ')', self::$lastNotifyArgs[3]);
$this->assertEquals(self::$pageName, self::$lastNotifyArgs[4]->getPrefixedText());
$this->assertEquals(self::$pageRev->getParentId(), self::$lastNotifyArgs[5]);
$this->assertEquals($revision->getId(), self::$lastNotifyArgs[6]);
$this->assertEquals(null, self::$lastNotifyArgs[7]);
$this->assertEquals(0, self::$lastNotifyArgs[8]);
$this->assertEquals('127.0.0.1', self::$lastNotifyArgs[9]);
$this->assertEquals(0, self::$lastNotifyArgs[10]);
}
/**
* Render the contribution of the pagerevision (time, bytes added/deleted, pagename comment)
* @param Revision $rev
*/
protected function showContributionsRow(Revision $rev)
{
$user = $this->getUser();
$userId = $rev->getUser(Revision::FOR_THIS_USER, $user);
if ($userId === 0) {
$username = IP::prettifyIP($rev->getUserText(Revision::RAW));
$isAnon = true;
} else {
$username = $rev->getUserText(Revision::FOR_THIS_USER, $user);
$isAnon = false;
}
// FIXME: Style differently user comment when this is the case
if ($rev->userCan(Revision::DELETED_COMMENT, $user)) {
$comment = $rev->getComment(Revision::FOR_THIS_USER, $user);
$comment = $this->formatComment($comment, $this->title);
} else {
$comment = $this->msg('rev-deleted-comment')->plain();
}
$ts = $rev->getTimestamp();
$this->renderListHeaderWhereNeeded($this->getLanguage()->userDate($ts, $this->getUser()));
$ts = new MWTimestamp($ts);
if ($rev->userCan(Revision::DELETED_TEXT, $user)) {
$diffLink = SpecialPage::getTitleFor('MobileDiff', $rev->getId())->getLocalUrl();
} else {
$diffLink = false;
}
// FIXME: Style differently user comment when this is the case
if (!$rev->userCan(Revision::DELETED_USER, $user)) {
$username = $this->msg('rev-deleted-user')->plain();
}
$bytes = null;
if (isset($this->prevLengths[$rev->getParentId()])) {
$bytes = $rev->getSize() - $this->prevLengths[$rev->getParentId()];
}
$isMinor = $rev->isMinor();
$this->renderFeedItemHtml($ts, $diffLink, $username, $comment, $rev->getTitle(), $isAnon, $bytes, $isMinor);
}
/**
* Extract information from the Revision
*
* @param Revision $revision
* @param object $row Should have a field 'ts_tags' if $this->fld_tags is set
* @return array
*/
protected function extractRevisionInfo(Revision $revision, $row)
{
$title = $revision->getTitle();
$user = $this->getUser();
$vals = array();
$anyHidden = false;
if ($this->fld_ids) {
$vals['revid'] = intval($revision->getId());
if (!is_null($revision->getParentId())) {
$vals['parentid'] = intval($revision->getParentId());
}
}
if ($this->fld_flags) {
$vals['minor'] = $revision->isMinor();
}
if ($this->fld_user || $this->fld_userid) {
if ($revision->isDeleted(Revision::DELETED_USER)) {
$vals['userhidden'] = true;
$anyHidden = true;
}
if ($revision->userCan(Revision::DELETED_USER, $user)) {
if ($this->fld_user) {
$vals['user'] = $revision->getUserText(Revision::RAW);
}
$userid = $revision->getUser(Revision::RAW);
if (!$userid) {
$vals['anon'] = true;
}
if ($this->fld_userid) {
$vals['userid'] = $userid;
}
}
}
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $revision->getTimestamp());
}
if ($this->fld_size) {
if (!is_null($revision->getSize())) {
$vals['size'] = intval($revision->getSize());
} else {
$vals['size'] = 0;
}
}
if ($this->fld_sha1) {
if ($revision->isDeleted(Revision::DELETED_TEXT)) {
$vals['sha1hidden'] = true;
$anyHidden = true;
}
if ($revision->userCan(Revision::DELETED_TEXT, $user)) {
if ($revision->getSha1() != '') {
$vals['sha1'] = wfBaseConvert($revision->getSha1(), 36, 16, 40);
} else {
$vals['sha1'] = '';
}
}
}
if ($this->fld_contentmodel) {
$vals['contentmodel'] = $revision->getContentModel();
}
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($revision->isDeleted(Revision::DELETED_COMMENT)) {
$vals['commenthidden'] = true;
$anyHidden = true;
}
if ($revision->userCan(Revision::DELETED_COMMENT, $user)) {
$comment = $revision->getComment(Revision::RAW);
if ($this->fld_comment) {
$vals['comment'] = $comment;
}
if ($this->fld_parsedcomment) {
$vals['parsedcomment'] = Linker::formatComment($comment, $title);
}
}
}
if ($this->fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
ApiResult::setIndexedTagName($tags, 'tag');
$vals['tags'] = $tags;
} else {
$vals['tags'] = array();
}
}
$content = null;
global $wgParser;
if ($this->fetchContent) {
$content = $revision->getContent(Revision::FOR_THIS_USER, $this->getUser());
// Expand templates after getting section content because
// template-added sections don't count and Parser::preprocess()
// will have less input
if ($content && $this->section !== false) {
$content = $content->getSection($this->section, false);
if (!$content) {
$this->dieUsage("There is no section {$this->section} in r" . $revision->getId(), 'nosuchsection');
}
}
if ($revision->isDeleted(Revision::DELETED_TEXT)) {
$vals['texthidden'] = true;
$anyHidden = true;
} elseif (!$content) {
$vals['textmissing'] = true;
}
}
if ($this->fld_content && $content) {
$text = null;
if ($this->generateXML) {
if ($content->getModel() === CONTENT_MODEL_WIKITEXT) {
$t = $content->getNativeData();
# note: don't set $text
$wgParser->startExternalParse($title, ParserOptions::newFromContext($this->getContext()), Parser::OT_PREPROCESS);
$dom = $wgParser->preprocessToDom($t);
if (is_callable(array($dom, 'saveXML'))) {
$xml = $dom->saveXML();
} else {
$xml = $dom->__toString();
}
$vals['parsetree'] = $xml;
} else {
$vals['badcontentformatforparsetree'] = true;
$this->setWarning("Conversion to XML is supported for wikitext only, " . $title->getPrefixedDBkey() . " uses content model " . $content->getModel());
}
}
if ($this->expandTemplates && !$this->parseContent) {
#XXX: implement template expansion for all content types in ContentHandler?
if ($content->getModel() === CONTENT_MODEL_WIKITEXT) {
$text = $content->getNativeData();
$text = $wgParser->preprocess($text, $title, ParserOptions::newFromContext($this->getContext()));
} else {
$this->setWarning("Template expansion is supported for wikitext only, " . $title->getPrefixedDBkey() . " uses content model " . $content->getModel());
$vals['badcontentformat'] = true;
$text = false;
}
}
if ($this->parseContent) {
$po = $content->getParserOutput($title, $revision->getId(), ParserOptions::newFromContext($this->getContext()));
$text = $po->getText();
}
if ($text === null) {
$format = $this->contentFormat ? $this->contentFormat : $content->getDefaultFormat();
$model = $content->getModel();
if (!$content->isSupportedFormat($format)) {
$name = $title->getPrefixedDBkey();
$this->setWarning("The requested format {$this->contentFormat} is not " . "supported for content model {$model} used by {$name}");
$vals['badcontentformat'] = true;
$text = false;
} else {
$text = $content->serialize($format);
// always include format and model.
// Format is needed to deserialize, model is needed to interpret.
$vals['contentformat'] = $format;
$vals['contentmodel'] = $model;
}
}
if ($text !== false) {
ApiResult::setContentValue($vals, 'content', $text);
}
}
if ($content && (!is_null($this->diffto) || !is_null($this->difftotext))) {
static $n = 0;
// Number of uncached diffs we've had
if ($n < $this->getConfig()->get('APIMaxUncachedDiffs')) {
$vals['diff'] = array();
$context = new DerivativeContext($this->getContext());
$context->setTitle($title);
$handler = $revision->getContentHandler();
if (!is_null($this->difftotext)) {
$model = $title->getContentModel();
if ($this->contentFormat && !ContentHandler::getForModelID($model)->isSupportedFormat($this->contentFormat)) {
$name = $title->getPrefixedDBkey();
$this->setWarning("The requested format {$this->contentFormat} is not " . "supported for content model {$model} used by {$name}");
$vals['diff']['badcontentformat'] = true;
$engine = null;
} else {
$difftocontent = ContentHandler::makeContent($this->difftotext, $title, $model, $this->contentFormat);
$engine = $handler->createDifferenceEngine($context);
$engine->setContent($content, $difftocontent);
}
} else {
$engine = $handler->createDifferenceEngine($context, $revision->getID(), $this->diffto);
$vals['diff']['from'] = $engine->getOldid();
$vals['diff']['to'] = $engine->getNewid();
}
if ($engine) {
$difftext = $engine->getDiffBody();
ApiResult::setContentValue($vals['diff'], 'body', $difftext);
if (!$engine->wasCacheHit()) {
$n++;
}
}
} else {
$vals['diff']['notcached'] = true;
}
}
if ($anyHidden && $revision->isDeleted(Revision::DELETED_RESTRICTED)) {
$vals['suppressed'] = true;
}
return $vals;
}
/**
* Generates each row in the contributions list.
*
* Contributions which are marked "top" are currently on top of the history.
* For these contributions, a [rollback] link is shown for users with roll-
* back privileges. The rollback link restores the most recent version that
* was not written by the target user.
*
* @todo This would probably look a lot nicer in a table.
* @param $row
* @return string
*/
function formatRow($row)
{
wfProfileIn(__METHOD__);
$ret = '';
$classes = array();
/*
* There may be more than just revision rows. To make sure that we'll only be processing
* revisions here, let's _try_ to build a revision out of our row (without displaying
* notices though) and then trying to grab data from the built object. If we succeed,
* we're definitely dealing with revision data and we may proceed, if not, we'll leave it
* to extensions to subscribe to the hook to parse the row.
*/
wfSuppressWarnings();
$rev = new Revision($row);
$validRevision = $rev->getParentId() !== null;
wfRestoreWarnings();
if ($validRevision) {
$classes = array();
$page = Title::newFromRow($row);
$link = Linker::link($page, htmlspecialchars($page->getPrefixedText()), array('class' => 'mw-contributions-title'), $page->isRedirect() ? array('redirect' => 'no') : array());
# Mark current revisions
$topmarktext = '';
$user = $this->getUser();
if ($row->rev_id == $row->page_latest) {
$topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
# Add rollback link
if (!$row->page_is_new && $page->quickUserCan('rollback', $user) && $page->quickUserCan('edit', $user)) {
$this->preventClickjacking();
$topmarktext .= ' ' . Linker::generateRollback($rev, $this->getContext());
}
}
# Is there a visible previous revision?
if ($rev->userCan(Revision::DELETED_TEXT, $user) && $rev->getParentId() !== 0) {
$difftext = Linker::linkKnown($page, $this->messages['diff'], array(), array('diff' => 'prev', 'oldid' => $row->rev_id));
} else {
$difftext = $this->messages['diff'];
}
$histlink = Linker::linkKnown($page, $this->messages['hist'], array(), array('action' => 'history'));
if ($row->rev_parent_id === null) {
// For some reason rev_parent_id isn't populated for this row.
// Its rumoured this is true on wikipedia for some revisions (bug 34922).
// Next best thing is to have the total number of bytes.
$chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . Linker::formatRevisionSize($row->rev_len) . ' <span class="mw-changeslist-separator">. .</span> ';
} else {
$parentLen = isset($this->mParentLens[$row->rev_parent_id]) ? $this->mParentLens[$row->rev_parent_id] : 0;
$chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . ChangesList::showCharacterDifference($parentLen, $row->rev_len, $this->getContext()) . ' <span class="mw-changeslist-separator">. .</span> ';
}
$lang = $this->getLanguage();
$comment = $lang->getDirMark() . Linker::revComment($rev, false, true);
$date = $lang->userTimeAndDate($row->rev_timestamp, $user);
if ($rev->userCan(Revision::DELETED_TEXT, $user)) {
$d = Linker::linkKnown($page, htmlspecialchars($date), array('class' => 'mw-changeslist-date'), array('oldid' => intval($row->rev_id)));
} else {
$d = htmlspecialchars($date);
}
if ($rev->isDeleted(Revision::DELETED_TEXT)) {
$d = '<span class="history-deleted">' . $d . '</span>';
}
# Show user names for /newbies as there may be different users.
# Note that we already excluded rows with hidden user names.
if ($this->contribs == 'newbie') {
$userlink = ' . . ' . Linker::userLink($rev->getUser(), $rev->getUserText());
$userlink .= ' ' . $this->msg('parentheses')->rawParams(Linker::userTalkLink($rev->getUser(), $rev->getUserText()))->escaped() . ' ';
} else {
$userlink = '';
}
if ($rev->getParentId() === 0) {
$nflag = ChangesList::flag('newpage');
} else {
$nflag = '';
}
if ($rev->isMinor()) {
$mflag = ChangesList::flag('minor');
} else {
$mflag = '';
}
$del = Linker::getRevDeleteLink($user, $rev, $page);
if ($del !== '') {
$del .= ' ';
}
$diffHistLinks = $this->msg('parentheses')->rawParams($difftext . $this->messages['pipe-separator'] . $histlink)->escaped();
$ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
# Denote if username is redacted for this edit
if ($rev->isDeleted(Revision::DELETED_USER)) {
$ret .= " <strong>" . $this->msg('rev-deleted-user-contribs')->escaped() . "</strong>";
}
# Tags, if any.
list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow($row->ts_tags, 'contributions');
$classes = array_merge($classes, $newClasses);
$ret .= " {$tagSummary}";
}
// Let extensions add data
wfRunHooks('ContributionsLineEnding', array($this, &$ret, $row, &$classes));
$classes = implode(' ', $classes);
$ret = "<li class=\"{$classes}\">{$ret}</li>\n";
wfProfileOut(__METHOD__);
return $ret;
}
private function extractRowInfo($row)
{
$revision = new Revision($row);
$title = $revision->getTitle();
$vals = array();
if ($this->fld_ids) {
$vals['revid'] = intval($revision->getId());
// $vals['oldid'] = intval( $row->rev_text_id ); // todo: should this be exposed?
if (!is_null($revision->getParentId())) {
$vals['parentid'] = intval($revision->getParentId());
}
}
if ($this->fld_flags && $revision->isMinor()) {
$vals['minor'] = '';
}
if ($this->fld_user || $this->fld_userid) {
if ($revision->isDeleted(Revision::DELETED_USER)) {
$vals['userhidden'] = '';
} else {
if ($this->fld_user) {
$vals['user'] = $revision->getUserText();
}
$userid = $revision->getUser();
if (!$userid) {
$vals['anon'] = '';
}
if ($this->fld_userid) {
$vals['userid'] = $userid;
}
}
}
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $revision->getTimestamp());
}
if ($this->fld_size) {
if (!is_null($revision->getSize())) {
$vals['size'] = intval($revision->getSize());
} else {
$vals['size'] = 0;
}
}
if ($this->fld_sha1) {
if ($revision->getSha1() != '') {
$vals['sha1'] = wfBaseConvert($revision->getSha1(), 36, 16, 40);
} else {
$vals['sha1'] = '';
}
}
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($revision->isDeleted(Revision::DELETED_COMMENT)) {
$vals['commenthidden'] = '';
} else {
$comment = $revision->getComment();
if ($this->fld_comment) {
$vals['comment'] = $comment;
}
if ($this->fld_parsedcomment) {
$vals['parsedcomment'] = Linker::formatComment($comment, $title);
}
}
}
if ($this->fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
$this->getResult()->setIndexedTagName($tags, 'tag');
$vals['tags'] = $tags;
} else {
$vals['tags'] = array();
}
}
if (!is_null($this->token)) {
$tokenFunctions = $this->getTokenFunctions();
foreach ($this->token as $t) {
$val = call_user_func($tokenFunctions[$t], $title->getArticleID(), $title, $revision);
if ($val === false) {
$this->setWarning("Action '{$t}' is not allowed for the current user");
} else {
$vals[$t . 'token'] = $val;
}
}
}
$text = null;
global $wgParser;
if ($this->fld_content || !is_null($this->difftotext)) {
$text = $revision->getText();
// Expand templates after getting section content because
// template-added sections don't count and Parser::preprocess()
// will have less input
if ($this->section !== false) {
$text = $wgParser->getSection($text, $this->section, false);
if ($text === false) {
$this->dieUsage("There is no section {$this->section} in r" . $revision->getId(), 'nosuchsection');
}
}
}
if ($this->fld_content && !$revision->isDeleted(Revision::DELETED_TEXT)) {
if ($this->generateXML) {
$wgParser->startExternalParse($title, ParserOptions::newFromContext($this->getContext()), OT_PREPROCESS);
$dom = $wgParser->preprocessToDom($text);
if (is_callable(array($dom, 'saveXML'))) {
$xml = $dom->saveXML();
} else {
$xml = $dom->__toString();
}
$vals['parsetree'] = $xml;
}
if ($this->expandTemplates && !$this->parseContent) {
$text = $wgParser->preprocess($text, $title, ParserOptions::newFromContext($this->getContext()));
}
if ($this->parseContent) {
$text = $wgParser->parse($text, $title, ParserOptions::newFromContext($this->getContext()))->getText();
}
ApiResult::setContent($vals, $text);
} elseif ($this->fld_content) {
$vals['texthidden'] = '';
}
if (!is_null($this->diffto) || !is_null($this->difftotext)) {
global $wgAPIMaxUncachedDiffs;
static $n = 0;
// Number of uncached diffs we've had
if ($n < $wgAPIMaxUncachedDiffs) {
$vals['diff'] = array();
$context = new DerivativeContext($this->getContext());
$context->setTitle($title);
if (!is_null($this->difftotext)) {
$engine = new DifferenceEngine($context);
$engine->setText($text, $this->difftotext);
} else {
$engine = new DifferenceEngine($context, $revision->getID(), $this->diffto);
$vals['diff']['from'] = $engine->getOldid();
$vals['diff']['to'] = $engine->getNewid();
}
$difftext = $engine->getDiffBody();
ApiResult::setContent($vals['diff'], $difftext);
if (!$engine->wasCacheHit()) {
$n++;
}
} else {
$vals['diff']['notcached'] = '';
}
}
return $vals;
}
/**
* @param WikiPage $page
* @param Revision $newRev
* @throws MWException
*/
protected function notifyUpdatesForRevision(WikiPage $page, Revision $newRev)
{
$config = RequestContext::getMain()->getConfig();
$title = $page->getTitle();
// Get the new revision
if (!$newRev->getContent()) {
return;
// deleted?
}
// Get the prior revision (the same for null edits)
if ($newRev->getParentId()) {
$oldRev = Revision::newFromId($newRev->getParentId(), Revision::READ_LATEST);
if (!$oldRev->getContent()) {
return;
// deleted?
}
} else {
$oldRev = null;
}
// Parse the new revision and get the categories
$categoryChanges = $this->getExplicitCategoriesChanges($title, $newRev, $oldRev);
list($categoryInserts, $categoryDeletes) = $categoryChanges;
if (!$categoryInserts && !$categoryDeletes) {
return;
// nothing to do
}
$dbw = wfGetDB(DB_MASTER);
$catMembChange = new CategoryMembershipChange($title, $newRev);
$catMembChange->checkTemplateLinks();
$batchSize = $config->get('UpdateRowsPerQuery');
$insertCount = 0;
foreach ($categoryInserts as $categoryName) {
$categoryTitle = Title::makeTitle(NS_CATEGORY, $categoryName);
$catMembChange->triggerCategoryAddedNotification($categoryTitle);
if ($insertCount++ && $insertCount % $batchSize == 0) {
$dbw->commit(__METHOD__, 'flush');
wfGetLBFactory()->waitForReplication();
}
}
foreach ($categoryDeletes as $categoryName) {
$categoryTitle = Title::makeTitle(NS_CATEGORY, $categoryName);
$catMembChange->triggerCategoryRemovedNotification($categoryTitle);
if ($insertCount++ && $insertCount++ % $batchSize == 0) {
$dbw->commit(__METHOD__, 'flush');
wfGetLBFactory()->waitForReplication();
}
}
}
/**
* Fetch additional information that is related to the saving that has just happened,
* e.g. regarding the last edit date. In runs where this hook is not triggered, the
* last DB entry (of MW) will be used to fill such properties.
*
* @note This method directly accesses a member of Article that is informally declared to
* be private. However, there is no way to otherwise access an article's parseroutput for
* the purpose of adding information there. If the private access ever becomes a problem,
* a global/static variable appears to be the only way to get more article data to
* LinksUpdate.
*
* @param WikiPage|Article $article WikiPage on 1.19 and later
* @param Revision $rev
* @param integer $baseID
* @param User $user
*
* @return true
*/
public static function onNewRevisionFromEditComplete($article, Revision $rev, $baseID, User $user)
{
global $smwgPageSpecialProperties;
if ($article->mPreparedEdit && $article->mPreparedEdit->output instanceof ParserOutput) {
$output = $article->mPreparedEdit->output;
$title = $article->getTitle();
if (!isset($title)) {
return true;
// nothing we can do
}
if (!isset($output->mSMWData)) {
// no data container yet, make one
$output->mSMWData = new SMWSemanticData(new SMWDIWikiPage($title->getDBkey(), $title->getNamespace(), $title->getInterwiki()));
}
$semdata = $output->mSMWData;
} else {
// give up, just keep the old data
return true;
}
if (in_array('_MDAT', $smwgPageSpecialProperties)) {
$timestamp = $article->getTimestamp();
$di = self::getDataItemFromMWTimestamp($timestamp);
if (!is_null($di)) {
$semdata->addPropertyObjectValue(new SMWDIProperty('_MDAT'), $di);
}
}
if (in_array('_LEDT', $smwgPageSpecialProperties)) {
$di = SMWDIWikiPage::newFromTitle($user->getUserPage());
if (!is_null($di)) {
$semdata->addPropertyObjectValue(new SMWDIProperty('_LEDT'), $di);
}
}
if (in_array('_NEWP', $smwgPageSpecialProperties)) {
$semdata->addPropertyObjectValue(new SMWDIProperty('_NEWP'), new SMWDIBoolean(is_null($rev->getParentId())));
}
return true;
}
/**
* Page moving and page protection (and possibly other things) creates null
* revisions. These revisions re-use the previous text already stored in
* the database. Those however do not trigger re-parsing of the page and
* thus the ready tag is not updated. This watches for new revisions,
* checks if they reuse existing text, checks whether the parent version
* is the latest version and has a ready tag. If that is the case,
* also adds a ready tag for the new revision (which is safe, because
* the text hasn't changed). The interface will say that there has been
* a change, but shows no change in the content. This lets the user to
* update the translation pages in the case, the non-text changes affect
* the rendering of translation pages. I'm not aware of any such cases
* at the moment.
* Hook: RevisionInsertComplete
* @since 2012-05-08
*/
public static function updateTranstagOnNullRevisions(Revision $rev, $text, $flags)
{
$title = $rev->getTitle();
$newRevId = $rev->getId();
$oldRevId = $rev->getParentId();
$newTextId = $rev->getTextId();
/* This hook doesn't provide any way to detech null revisions
* without extra query */
$dbw = wfGetDB(DB_MASTER);
$table = 'revision';
$field = 'rev_text_id';
$conds = array('rev_page' => $rev->getPage(), 'rev_id' => $oldRevId);
// FIXME: optimize away this query. Bug T38588.
$oldTextId = $dbw->selectField($table, $field, $conds, __METHOD__);
if (strval($newTextId) !== strval($oldTextId)) {
// Not a null revision, bail out.
return true;
}
$page = TranslatablePage::newFromTitle($title);
if ($page->getReadyTag() === $oldRevId) {
$page->addReadyTag($newRevId);
}
return true;
}
/**
* Fetch additional information that is related to the saving that has just happened,
* e.g. regarding the last edit date. In runs where this hook is not triggered, the
* last DB entry (of MW) will be used to fill such properties.
*
* @note This method directly accesses a member of Article that is informally declared to
* be private. However, there is no way to otherwise access an article's parseroutput for
* the purpose of adding information there. If the private access ever becomes a problem,
* a global/static variable appears to be the only way to get more article data to
* LinksUpdate.
*
* @param WikiPage|Article $article WikiPage on 1.19 and later
* @param Revision $rev
* @param integer $baseID
* @param User $user
*
* @return true
*/
public static function onNewRevisionFromEditComplete($article, Revision $rev, $baseID, User $user)
{
global $smwgPageSpecialProperties;
if ($article->mPreparedEdit && $article->mPreparedEdit->output instanceof ParserOutput) {
$semdata = self::getSMWDataFromParserOutput($article->mPreparedEdit->output, $article->getTitle());
} else {
// give up, just keep the old data
return true;
}
if (in_array('_MDAT', $smwgPageSpecialProperties)) {
$timestamp = $article->getTimestamp();
$di = self::getDataItemFromMWTimestamp($timestamp);
if (!is_null($di)) {
$semdata->addPropertyObjectValue(new SMWDIProperty('_MDAT'), $di);
}
}
if (in_array('_LEDT', $smwgPageSpecialProperties)) {
$di = SMWDIWikiPage::newFromTitle($user->getUserPage());
if (!is_null($di)) {
$semdata->addPropertyObjectValue(new SMWDIProperty('_LEDT'), $di);
}
}
if (in_array('_NEWP', $smwgPageSpecialProperties)) {
$semdata->addPropertyObjectValue(new SMWDIProperty('_NEWP'), new SMWDIBoolean(is_null($rev->getParentId())));
}
return true;
}
private function extractRowInfo($row)
{
$revision = new Revision($row);
$title = $revision->getTitle();
$vals = array();
if ($this->fld_ids) {
$vals['revid'] = intval($revision->getId());
// $vals['oldid'] = intval( $row->rev_text_id ); // todo: should this be exposed?
if (!is_null($revision->getParentId())) {
$vals['parentid'] = intval($revision->getParentId());
}
}
if ($this->fld_flags && $revision->isMinor()) {
$vals['minor'] = '';
}
if ($this->fld_user || $this->fld_userid) {
if ($revision->isDeleted(Revision::DELETED_USER)) {
$vals['userhidden'] = '';
} else {
if ($this->fld_user) {
$vals['user'] = $revision->getUserText();
}
$userid = $revision->getUser();
if (!$userid) {
$vals['anon'] = '';
}
if ($this->fld_userid) {
$vals['userid'] = $userid;
}
}
}
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $revision->getTimestamp());
}
if ($this->fld_size) {
if (!is_null($revision->getSize())) {
$vals['size'] = intval($revision->getSize());
} else {
$vals['size'] = 0;
}
}
if ($this->fld_sha1) {
if ($revision->getSha1() != '') {
$vals['sha1'] = wfBaseConvert($revision->getSha1(), 36, 16, 40);
} else {
$vals['sha1'] = '';
}
}
if ($this->fld_contentmodel) {
$vals['contentmodel'] = $revision->getContentModel();
}
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($revision->isDeleted(Revision::DELETED_COMMENT)) {
$vals['commenthidden'] = '';
} else {
$comment = $revision->getComment();
if ($this->fld_comment) {
$vals['comment'] = $comment;
}
if ($this->fld_parsedcomment) {
$vals['parsedcomment'] = Linker::formatComment($comment, $title);
}
}
}
if ($this->fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
$this->getResult()->setIndexedTagName($tags, 'tag');
$vals['tags'] = $tags;
} else {
$vals['tags'] = array();
}
}
if (!is_null($this->token)) {
$tokenFunctions = $this->getTokenFunctions();
foreach ($this->token as $t) {
$val = call_user_func($tokenFunctions[$t], $title->getArticleID(), $title, $revision);
if ($val === false) {
$this->setWarning("Action '{$t}' is not allowed for the current user");
} else {
$vals[$t . 'token'] = $val;
}
}
}
$content = null;
global $wgParser;
if ($this->fld_content || !is_null($this->difftotext)) {
$content = $revision->getContent();
// Expand templates after getting section content because
// template-added sections don't count and Parser::preprocess()
// will have less input
if ($this->section !== false) {
$content = $content->getSection($this->section, false);
if (!$content) {
$this->dieUsage("There is no section {$this->section} in r" . $revision->getId(), 'nosuchsection');
}
}
}
if ($this->fld_content && !$revision->isDeleted(Revision::DELETED_TEXT)) {
$text = null;
if ($this->generateXML) {
if ($content->getModel() === CONTENT_MODEL_WIKITEXT) {
$t = $content->getNativeData();
# note: don't set $text
$wgParser->startExternalParse($title, ParserOptions::newFromContext($this->getContext()), OT_PREPROCESS);
$dom = $wgParser->preprocessToDom($t);
if (is_callable(array($dom, 'saveXML'))) {
$xml = $dom->saveXML();
} else {
$xml = $dom->__toString();
}
$vals['parsetree'] = $xml;
} else {
$this->setWarning("Conversion to XML is supported for wikitext only, " . $title->getPrefixedDBkey() . " uses content model " . $content->getModel() . ")");
}
}
if ($this->expandTemplates && !$this->parseContent) {
#XXX: implement template expansion for all content types in ContentHandler?
if ($content->getModel() === CONTENT_MODEL_WIKITEXT) {
$text = $content->getNativeData();
$text = $wgParser->preprocess($text, $title, ParserOptions::newFromContext($this->getContext()));
} else {
$this->setWarning("Template expansion is supported for wikitext only, " . $title->getPrefixedDBkey() . " uses content model " . $content->getModel() . ")");
$text = false;
}
}
if ($this->parseContent) {
$po = $content->getParserOutput($title, $revision->getId(), ParserOptions::newFromContext($this->getContext()));
$text = $po->getText();
}
if ($text === null) {
$format = $this->contentFormat ? $this->contentFormat : $content->getDefaultFormat();
if (!$content->isSupportedFormat($format)) {
$model = $content->getModel();
$name = $title->getPrefixedDBkey();
$this->dieUsage("The requested format {$this->contentFormat} is not supported " . "for content model {$model} used by {$name}", 'badformat');
}
$text = $content->serialize($format);
$vals['contentformat'] = $format;
}
if ($text !== false) {
ApiResult::setContent($vals, $text);
}
} elseif ($this->fld_content) {
$vals['texthidden'] = '';
}
if (!is_null($this->diffto) || !is_null($this->difftotext)) {
global $wgAPIMaxUncachedDiffs;
static $n = 0;
// Number of uncached diffs we've had
if ($n < $wgAPIMaxUncachedDiffs) {
$vals['diff'] = array();
$context = new DerivativeContext($this->getContext());
$context->setTitle($title);
$handler = $revision->getContentHandler();
if (!is_null($this->difftotext)) {
$model = $title->getContentModel();
if ($this->contentFormat && !ContentHandler::getForModelID($model)->isSupportedFormat($this->contentFormat)) {
$name = $title->getPrefixedDBkey();
$this->dieUsage("The requested format {$this->contentFormat} is not supported for " . "content model {$model} used by {$name}", 'badformat');
}
$difftocontent = ContentHandler::makeContent($this->difftotext, $title, $model, $this->contentFormat);
$engine = $handler->createDifferenceEngine($context);
$engine->setContent($content, $difftocontent);
} else {
$engine = $handler->createDifferenceEngine($context, $revision->getID(), $this->diffto);
$vals['diff']['from'] = $engine->getOldid();
$vals['diff']['to'] = $engine->getNewid();
}
$difftext = $engine->getDiffBody();
ApiResult::setContent($vals['diff'], $difftext);
if (!$engine->wasCacheHit()) {
$n++;
}
} else {
$vals['diff']['notcached'] = '';
}
}
return $vals;
}
