function perform()
{
// fetch the data and make some arrangements if needed
$this->_parentId = $this->_request->getValue("parentId");
$this->_articleId = $this->_request->getValue("articleId");
if ($this->_parentId < 0 || $this->_parentId == "") {
$this->_parentId = 0;
}
// check if comments are enabled
$blogSettings = $this->_blogInfo->getSettings();
if (!$blogSettings->getValue("comments_enabled")) {
$this->_view = new ErrorView($this->_blogInfo, "error_comments_not_enabled");
$this->setCommonData();
return false;
}
// fetch the article
$blogs = new Blogs();
$articles = new Articles();
$article = $articles->getBlogArticle($this->_articleId, $this->_blogInfo->getId());
// if there was a problem fetching the article, we give an error and quit
if ($article == false) {
$this->_view = new ErrorView($this->_blogInfo);
$this->_view->setValue("message", "error_fetching_article");
$this->setCommonData();
return false;
}
$this->_view = new BlogView($this->_blogInfo, "commentarticle", SMARTY_VIEW_CACHE_CHECK, array("articleId" => $this->_articleId, "parentId" => $this->_parentId));
// do nothing if the view was already cached
if ($this->_view->isCached()) {
return true;
}
// fetch the comments so far
$comments = new ArticleComments();
$postComments = $comments->getPostComments($article->getId());
if ($this->_parentId > 0) {
// get a pre-set string for the subject field, for those users interested
$comment = $comments->getPostComment($article->getId(), $this->_parentId);
// create the string
if ($comment) {
$replyString = $this->_locale->tr("reply_string") . $comment->getTopic();
$this->_view->setValue("comment", $comment);
}
}
// if everything's fine, we set up the article object for the view
$this->_view->setValue("post", $article);
$this->_view->setValue("parentId", $this->_parentId);
$this->_view->setValue("comments", $postComments);
$this->_view->setValue("postcomments", $postComments);
$this->_view->setValue("topic", $replyString);
$this->setCommonData();
// and return everything normal
return true;
}
/**
* deletes comments
* @private
*/
function _deleteComments()
{
$comments = new ArticleComments();
$errorMessage = "";
$successMessage = "";
$totalOk = 0;
// if we can't even load the article, then forget it...
$articles = new Articles();
$article = $articles->getBlogArticle($this->_articleId, $this->_blogInfo->getId());
if (!$article) {
$this->_view = new AdminPostsListView($this->_blogInfo);
$this->_view->setErrorMessage($this->_locale->tr("error_fetching_post"));
$this->setCommonData();
return false;
}
// loop through the comments and remove them
foreach ($this->_commentIds as $commentId) {
// fetch the comment
$comment = $comments->getPostComment($this->_articleId, $commentId);
if (!$comment) {
$errorMessage .= $this->_locale->pr("error_deleting_comment2", $commentId);
} else {
// fire the pre-event
$this->notifyEvent(EVENT_PRE_COMMENT_DELETE, array("comment" => &$comment));
if (!$comments->deletePostComment($article->getId(), $commentId)) {
$errorMessage .= $this->_locale->pr("error_deleting_comment", $comment->getTopic()) . "<br/>";
} else {
$totalOk++;
if ($totalOk < 2) {
$successMessage .= $this->_locale->pr("comment_deleted_ok", $comment->getTopic()) . "<br/>";
} else {
$successMessage = $this->_locale->pr("comments_deleted_ok", $totalOk);
}
// fire the post-event
$this->notifyEvent(EVENT_POST_COMMENT_DELETE, array("comment" => &$comment));
}
}
}
// if everything fine, then display the same view again with the feedback
$this->_view = new AdminArticleCommentsListView($this->_blogInfo, array("article" => $article));
if ($successMessage != "") {
$this->_view->setSuccessMessage($successMessage);
// clear the cache
CacheControl::resetBlogCache($this->_blogInfo->getId());
}
if ($errorMessage != "") {
$this->_view->setErrorMessage($errorMessage);
}
$this->setCommonData();
// better to return true if everything fine
return true;
}
/**
* @private
*/
function _markCommentAsNonSpam()
{
// throw the pre-event
$this->notifyEvent(EVENT_PRE_MARK_NO_SPAM_COMMENT, array("commentId" => $this->_commentId));
$this->_view = new AdminArticleCommentsListView($this->_blogInfo, array("article" => $this->_article));
$comments = new ArticleComments();
if (!$comments->updateCommentStatus($this->_commentId, COMMENT_STATUS_NONSPAM)) {
$this->_view->setErrorMessage($this->_locale->tr("error_marking_comment_as_nonspam"));
$this->setCommonData();
$res = false;
} else {
$this->_view->setSuccessMessage($this->_locale->tr("comment_marked_as_nonspam_ok"));
$this->setCommonData();
$res = true;
// before exiting, we should get the comment and train the filter
// to recognize this as spam...
$comment = $comments->getPostComment($this->_articleId, $this->_commentId);
$bayesian = new BayesianFilterCore();
$bayesian->untrain($this->_blogInfo->getId(), $comment->getTopic(), $comment->getText(), $comment->getUserName(), $comment->getUserEmail(), $comment->getUserUrl(), true);
$bayesian->train($this->_blogInfo->getId(), $comment->getTopic(), $comment->getText(), $comment->getUserName(), $comment->getUserEmail(), $comment->getUserUrl(), false);
// throw the post-event if everythign went fine
$this->notifyEvent(EVENT_POST_MARK_NO_SPAM_COMMENT, array("commentId" => $this->_commentId));
}
return $res;
}
