application/NetscapeBookmarkUtils.php

   1 <?php
   2
   3 /**
   4  * Utilities to import and export bookmarks using the Netscape format
   5  */
   6 class NetscapeBookmarkUtils
   7 {
   8
   9     /**
  10      * Filters links and adds Netscape-formatted fields
  11      *
  12      * Added fields:
  13      * - timestamp  link addition date, using the Unix epoch format
  14      * - taglist    comma-separated tag list
  15      *
  16      * @param LinkDB $linkDb    The link datastore
  17      * @param string $selection Which links to export: (all|private|public)
  18      *
  19      * @throws Exception Invalid export selection
  20      *
  21      * @return array The links to be exported, with additional fields
  22      */
  23     public static function filterAndFormat($linkDb, $selection)
  24     {
  25         // see tpl/export.html for possible values
  26         if (! in_array($selection, array('all','public','private'))) {
  27             throw new Exception('Invalid export selection: "'.$selection.'"');
  28         }
  29
  30         $bookmarkLinks = array();
  31
  32         foreach ($linkDb as $link) {
  33             if ($link['private'] != 0 && $selection == 'public') {
  34                 continue;
  35             }
  36             if ($link['private'] == 0 && $selection == 'private') {
  37                 continue;
  38             }
  39             $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
  40             $link['timestamp'] = $date->getTimestamp();
  41             $link['taglist'] = str_replace(' ', ',', $link['tags']);
  42             $bookmarkLinks[] = $link;
  43         }
  44
  45         return $bookmarkLinks;
  46     }
  47 }