$trackbacks = new TrackBacks();
// create teh trackback object
$now = new Timestamp();
$trackback = new Trackback($url, $title, $articleId, $excerpt, $blogName, $now->getTimestamp());
// throw the event in case somebody is listening to it!
$pm->notifyEvent(EVENT_PRE_TRACKBACK_ADD, array("trackback" => &$trackback));
$result = $trackbacks->addTrackBack($trackback);
if (!$result) {
trackbackLog("There was an error saving the trackback!");
}
// throw the post event too...
$pm->notifyEvent(EVENT_POST_TRACKBACK_ADD, array("trackback" => &$trackback));
// result
$result = '<?xml version="1.0" encoding="iso-8859-1"?>';
$result .= '<response>';
$result .= '<error>0</error>';
$result .= '</response>';
// notify the user that a new trackback has been received, if the article was
// configured to receive notifications
// but first make sure, the trackback was not removed by some plugins like validatetrackback...
if ($trackbacks->getArticleTrackback($trackback->getId())) {
$notifier = new ArticleNotifications();
$notifier->notifyUsers($article->getId(), $blogInfo);
}
// clear the blog cache
CacheControl::resetBlogCache($article->getBlog());
// return the result
print $result;
trackbackLog("Sending response: {$result}");
trackbackLog("** End");
die;
/**
* Carries out the action
*/
function perform()
{
// need to check the ip of the client
$clientIp = Client::getIp();
// fetch the same article again so that we can have all the comments from
// the database, plus this last one
$articles = new Articles();
$article = $articles->getBlogArticle($this->_articleId, $this->_blogInfo->getId());
// check if the user wanted to receive comments for this article
// or not...
if ($article->getCommentsEnabled() == false) {
$this->_view = new ErrorView($this->_blogInfo);
$this->_view->setValue("message", "Comments have been disabled for this article.");
$this->setCommonData();
return false;
}
$this->notifyEvent(EVENT_POST_LOADED, array("article" => &$article));
// we have already checked all the data, so we are sure that everything's in place
$comments = new ArticleComments();
$comment = new UserComment($this->_articleId, $this->_parentId, $this->_commentTopic, $this->_commentText, null, $this->_userName, $this->_userEmail, $this->_userUrl, $clientIp);
// check if there is already a comment with the same text, topic and made from the same
// IP already in the database because if so, then we will not add the comment that
// the user is trying to add (a reload button mistake, perhaps?)
if (!$comments->getIdenticalComment($this->_commentTopic, $this->_commentText, $this->_articleId, $this->_parentId, $this->_userName, $this->_userEmail, $this->_userUrl, $clientIp)) {
// fire an event
$this->notifyEvent(EVENT_PRE_COMMENT_ADD, array("comment" => &$comment));
if (!$comments->addComment($comment)) {
// show an error message if problems
$this->_view = new ErrorView($this->_blogInfo);
$this->_view->setValue("message", "error_adding_comment");
$this->setCommonData();
return false;
}
}
// finally, check if there was any user who wanted to be notified of new comments
// to this post...
$notifier = new ArticleNotifications();
$notifier->notifyUsers($article->getId(), $this->_blogInfo);
// fire the post event...
$this->notifyEvent(EVENT_POST_COMMENT_ADD, array("comment" => &$comment));
//
// clear caches. This should be done in a more granular way, because right now
// we're either removing *all* of them or none. I guess we should only remove the
// cache whose identifier corresponds with the blog and article that we just removed,
// but let's leave it as it is for the time being...
//
CacheControl::resetBlogCache($this->_blogInfo->getId());
// clean up the request, there's a parameter called 'userName' also used by
// ViewArticleAction but that doesn't have the same meaning so we better remove it
// before it's too late! We also need to add a new request commentUserName to replace
// original userName, in case developer need it in filter or event plugin.
$request = HttpVars::getRequest();
$request["commentUserName"] = $request["userName"];
$request["userName"] = "";
HttpVars::setRequest($request);
// forward the action to ViewArticleAction
return BlogController::setForwardAction("ViewArticle");
}
