function readRss()
{
global $serendipity;
$comment_url = $_REQUEST['coment_url'];
$this->log("readRss for {$comment_url}");
$comment_email = $_REQUEST['coment_email'];
$this->log("email={$comment_email}");
$entryId = $_REQUEST['entryid'];
$this->log("entryid={$entryId}");
$result = array("url" => $comment_url, "email" => $comment_email, "articles" => array());
if (empty($comment_url)) {
echo json_encode($result);
return;
}
$allow = $this->checkRules($comment_email, null, false);
if (!$allow['allow_announce']) {
$this->log("Announce not allowed by email. result: " . print_r($result, TRUE));
echo json_encode($result);
return;
}
// First try to read from cache
$result = $this->cacheReadRss($comment_url);
if (empty($result)) {
$result = $this->readRssRemote($comment_url);
$this->log("Fetched array: " . print_r($result, true));
if (!empty($result) && $result['articles']) {
$this->cacheWriteRss($comment_url, $result);
}
}
$result['email'] = $comment_email;
if (empty($result) || !$result['articles'] || count($result['articles']) == 0) {
echo json_encode($result);
return;
}
// If per article each remote article should be announced only once, filter the result
if (serendipity_db_bool($this->get_config('announceonce', true))) {
// filter
$entrySpices = DbSpice::loadCommentSpiceByEntry($entryId);
if (is_array($entrySpices)) {
$urlHash = array();
foreach ($entrySpices as $entrySpice) {
$urlHash[$entrySpice['promo_url']] = "used";
}
// Now that we have all urls of this article, remove matching urls from rss.
if (count($urlHash) > 0) {
$newArticles = array();
foreach ($result['articles'] as $article) {
if (empty($urlHash[$article['nohashUrl']])) {
$newArticles[] = $article;
}
}
$result['articles'] = $newArticles;
}
}
}
// Add Chooser to the array, if something's to choose
if (count($result['articles']) > 0) {
$article = array();
$article['title'] = PLUGIN_EVENT_COMMENTSPICE_PROMOTE_ARTICLE_CHOOSE;
$article['url'] = "";
$result['articles'] = array_merge(array($article), $result['articles']);
}
echo json_encode($result);
}
