public function addArticleHistory($article_name, $old_content, $new_content, $user_id, $reason = null)
{
if (!Core::isTransactionActive()) {
$transaction = Core::startTransaction();
}
$crit = $this->getCriteria();
$crit->addInsert(self::ARTICLE_NAME, $article_name);
$crit->addInsert(self::AUTHOR, $user_id);
$revision_number = $this->_getNextRevisionNumberForArticle($article_name);
$crit->addInsert(self::REVISION, $revision_number);
if (!($revision_number == 1 && $old_content == $new_content)) {
$crit->addInsert(self::OLD_CONTENT, $old_content);
} else {
$crit->addInsert(self::OLD_CONTENT, '');
}
$crit->addInsert(self::NEW_CONTENT, $new_content);
if ($reason !== null) {
$crit->addInsert(self::REASON, $reason);
}
$crit->addInsert(self::SCOPE, framework\Context::getScope()->getID());
$crit->addInsert(self::DATE, NOW);
$res = $this->doInsert($crit);
if (isset($transaction)) {
$transaction->commitAndEnd();
}
return $revision_number;
}