testcms-final-anon/system/classes/rss.php

   1 <?php defined('IN_CMS') or die('No direct access allowed.');
   2
   3 class Rss {
   4
   5         private static $document;
   6
   7         public static function headers() {
   8                 // set headers
   9                 Response::header('Content-Type', 'application/xml');
  10         }
  11
  12         private static function element($name, $value = null, $attributes = array()) {
  13                 $element = static::$document->createElement($name);
  14
  15                 if(is_null($value) === false) {
  16                         $text = static::$document->createTextNode($value);
  17                         $element->appendChild($text);
  18                 }
  19
  20                 foreach($attributes as $key => $val) {
  21                         $element->setAttribute($key, $val);
  22                 }
  23
  24                 return $element;
  25         }
  26
  27         public static function generate() {
  28                 // create a dom xml object
  29                 static::$document = new DOMDocument('1.0', 'UTF-8');
  30
  31                 // create our rss feed
  32                 $rss = static::element('rss', null, array('version' => '2.0'));
  33                 static::$document->appendChild($rss);
  34
  35                 // create channel
  36                 $channel = static::element('channel');
  37                 $rss->appendChild($channel);
  38
  39                         // title
  40                         $title = static::element('title', Config::get('metadata.sitename'));
  41                         $channel->appendChild($title);
  42
  43                         // link
  44                         $link = static::element('link', 'http://' . $_SERVER['HTTP_HOST']);
  45                         $channel->appendChild($link);
  46
  47                         // description
  48                         $description = static::element('description', Config::get('metadata.description'));
  49                         $channel->appendChild($description);
  50
  51
  52                 // articles
  53                 $params = array('status' => 'published', 'sortby' => 'id', 'sortmode' => 'desc');
  54
  55                 foreach(Posts::list_all($params) as $post) {
  56                         $item = static::element('item');
  57                         $channel->appendChild($item);
  58
  59                                 // title
  60                                 $title = static::element('title', $post->title);
  61                                 $item->appendChild($title);
  62
  63                                 // link
  64                                 $url = 'http://' . $_SERVER['HTTP_HOST'] . Url::make(IoC::resolve('posts_page')->slug . '/' . $post->slug);
  65                                 $link = static::element('link', $url);
  66                                 $item->appendChild($link);
  67
  68                                 // description
  69                                 $description = static::element('description', $post->description);
  70                                 $item->appendChild($description);
  71
  72                                 // date
  73                                 $date = static::element('pubDate', date(DATE_RSS, $post->created));
  74                                 $item->appendChild($date);
  75                 }
  76
  77                 // dump xml tree
  78                 Response::content(static::$document->saveXML());
  79         }
  80 }