gosa-core/plugins/generic/dashBoard/dbInformation/class_rssReader.inc

   1 <?php
   2
   3 class rssReader{
   4
   5     public static $attributes = array(
   6             'title','link','description','language','copyright','skipHours','timestamp',
   7             'managingEditor','webMaster','pubDate','lastBuildDate','category',
   8             'generator','docs','cloud','ttl','image','rating','textInput','skipDays');
   9
  10     public static function feadToArray($urls)
  11     {
  12         $entries = array();
  13
  14         // We support multiple urls at once.
  15         if(!is_array($urls)) $urls = array($urls);
  16
  17         foreach($urls as $url){
  18             $doc = new DOMDocument();
  19             $doc->load($url);
  20             foreach ($doc->getElementsByTagName('item') as $item) {
  21
  22                 // Collect data from feed
  23                 $entry = array();
  24                 $entry['url'] = $url;
  25                 foreach(self::$attributes as $attr){
  26                     $entry[$attr] =NULL;
  27                     $obj = $item->getElementsByTagName($attr);
  28                     if(is_object($obj->item(0))){
  29                         $entry[$attr] = $obj->item(0)->nodeValue;
  30                     }
  31                 }
  32
  33                 // Fake timestamp in none is given.
  34                 if($entry['pubDate'] == NULL){
  35                     $entry['timestamp'] = NULL;
  36                 }else{
  37
  38                     // Create an entry timestamp
  39                     $entry['timestamp'] = strtotime($entry['pubDate']);
  40                 }
  41                 $entries[] = $entry;
  42             }
  43         }
  44         return($entries);
  45     }
  46
  47     public static function sortFeedResultBy($feedRes , $sortBy = 'timestamp')
  48     {
  49
  50         // Do not try to sort for invalid attributes.
  51         if(!in_array($sortBy, self::$attributes)){
  52             trigger_error("Invalid sortby attribute '{$sortBy}'!");
  53             return($feedRes);
  54         }
  55
  56         // Prepare feeds to be sorted, put them in an array indexed by the 'sortBy' attribute.
  57         $data = array();
  58         foreach($feedRes as $feed){
  59             $key = "{$feed[$sortBy]}";
  60             $c = '1';
  61             while(empty($key) || isset($data[$key])){
  62                 $key = "{$c}_{$feed[$sortBy]}";
  63                 $c++;
  64             }
  65             $data[$key] = $feed;
  66         }
  67
  68         // Sort the natural way and return the results.
  69         uksort($data, 'strnatcasecmp');
  70         return($data);
  71     }
  72
  73 }
  74
  75 ?>