function revertTipOnArticle($pageId, $revId)
{
global $wgParser;
// do not revert if no revId
if ($revId <= 0 || $revId == null || $revId == "") {
return false;
}
$undoRevision = Revision::newFromId($revId);
$previousRevision = $undoRevision ? $undoRevision->getPrevious() : null;
// do not revert if the page is wrong or changed..
if (is_null($undoRevision) || is_null($previousRevision) || $undoRevision->getPage() != $previousRevision->getPage() || $undoRevision->getPage() != $pageId) {
return false;
}
$title = Title::newFromID($pageId);
$article = new Article($title);
$undoRevisionText = $undoRevision->getText();
$currentText = $article->getContent();
$undoTips = Wikitext::splitTips(reset(Wikitext::getSection($undoRevisionText, "Tips", true)));
$prevTips = Wikitext::splitTips(reset(Wikitext::getSection($previousRevision->getText(), "Tips", true)));
$currentTipsSection = Wikitext::getSection($currentText, "Tips", true);
$currentTips = Wikitext::splitTips($currentTipsSection[0]);
$section = $currentTipsSection[1];
$undoTipsFormatted = array();
foreach ($undoTips as $tip) {
$undoTipsFormatted[] = self::cleanTip($tip);
}
$prevTipsFormatted = array();
foreach ($prevTips as $tip) {
$prevTipsFormatted[] = self::cleanTip($tip);
}
$badTips = array_diff($undoTipsFormatted, $prevTipsFormatted);
$resultTips = "== Tips ==";
foreach ($currentTips as $currentTip) {
$tip = self::cleanTip($currentTip);
if (in_array($tip, $badTips)) {
continue;
}
$resultTips .= "\n" . $currentTip;
}
$newText = $wgParser->replaceSection($currentText, $section, $resultTips);
$success = $article->doEdit($newText, 'reverting tip from revision ' . $revId, EDIT_UPDATE | EDIT_MINOR);
// mark the recent change as patrolled
if ($success) {
// should be ok to read from slave here because the change has been done earlier.
$dbr = wfGetDB(DB_SLAVE);
$rcid = $dbr->selectField('recentchanges', 'rc_id', array("rc_this_oldid={$revId}"));
RecentChange::markPatrolled($rcid);
PatrolLog::record($rcid, false);
}
return $success;
}
private function replaceSection($sectionName, $wikitext)
{
global $wgParser;
$section = Wikitext::getSection($this->wikitext, $sectionName, true);
if (empty($section[0])) {
throw new Exception("Couldn't find '{$sectionName}' section");
}
$newTxt = "== {$sectionName} ==\n" . $wikitext;
$this->wikitext = $wgParser->replaceSection($this->wikitext, $section[1], $newTxt);
}
public function calc(&$dbr, &$r, &$t, &$pageRow)
{
$stats = array();
$text = Wikitext::getSection($r->getText(), wfMsg('steps'), true);
$text = $text[0];
$num = preg_match_all("@\\{\\{ *whvid\\|[^\\}]+ *\\}\\}@", $text, $matches);
$stats['ti_num_wikivideos'] = $num;
return $stats;
}
