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<?php
global $MODULE_DIR, $UTIL_DIR;
include_once($UTIL_DIR . "/convert.php");
include_once($UTIL_DIR . "/markdown.php");
include_once($MODULES_DIR . "/rss.php");
class RSSEntry {
public $title;
public $time;
public $description;
public $category;
public function RSSEntry($title, $time, $category, $description)
{
$this->title = $title;
$this->time = $time;
$this->category = $category;
$this->description = $description;
}
}
class RSS {
private $configfile;
private $config;
private $newsfile;
private $news = array();
private $newspage;
public function add($newsentry) {
$key = $newsentry->time;
$this->news[$key] = $newsentry;
}
private function date($time) {
return date("r", $time);
}
public function write()
{
$fp = fopen($this->config->target, "w");
fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
fwrite($fp, "<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">\n");
fwrite($fp, " <channel>\n");
fwrite($fp, " <title>".$this->config->title."</title>\n");
fwrite($fp, " <atom:link href=\"".$this->config->url."/rss.xml\" rel=\"self\" type=\"application/rss+xml\" />\n");
fwrite($fp, " <link>".$this->config->url."</link>\n");
fwrite($fp, " <description>".$this->config->description."</description>\n");
fwrite($fp, " <language>en-us</language>\n");
fwrite($fp, " <pubDate>".$this->date(time())."</pubDate>\n");
fwrite($fp, " <lastBuildDate>".$this->date(time())."</lastBuildDate>\n");
fwrite($fp, " <docs>http://blogs.law.harvard.edu/tech/rss</docs>\n");
fwrite($fp, " <generator>ExecutionRoom CMS</generator>\n");
fwrite($fp, " <managingEditor>".$this->config->editoremail."</managingEditor>\n");
fwrite($fp, " <webMaster>".$this->config->webmasteremail."</webMaster>\n");
$i = 0;
foreach($this->news as $newsentry) {
fwrite($fp, " <item>\n");
fwrite($fp, " <title>".$newsentry->title."</title>\n");
fwrite($fp, " <link>".$this->config->url."/?page=".$this->newspage."&newsid=".$newsentry->time."</link>\n");
$content = htmlspecialchars(Markdown(htmlspecialchars_decode($newsentry->description), true));
fwrite($fp, " <description>".$content."</description>\n");
fwrite($fp, " <pubDate>".$this->date($newsentry->time)."</pubDate>\n");
fwrite($fp, " <guid>".$this->config->url."/?page=".$this->newspage."&newsid=".$newsentry->time."</guid>\n");
fwrite($fp, " </item>\n");
$i++;
if($i > 6) break;
}
fwrite($fp, " </channel>\n");
fwrite($fp, "</rss>\n");
fclose($fp);
}
private function read()
{
$this->config = new RSSConfig($this->configfile);
$dom = new DomDocument;
$dom->preserveWhiteSpace = FALSE;
$dom->load($this->newsfile);
$n = $dom->documentElement;
$this->newspage = $n->getAttribute('newspage');
$params = $dom->getElementsByTagName('newsentry');
foreach ($params as $param) {
$rssentry = new RSSEntry($param->getAttribute('title'),
$param->getAttribute('time'),
$param->getAttribute('category'),
$param->textContent);
$this->add($rssentry);
}
// Key sort
krsort($this->news);
}
public function RSS($newsfile, $configfile)
{
$this->newsfile = $newsfile;
$this->configfile = $configfile;
$this->read();
}
}
?>
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