backup/cc/entities11.class.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16 /**
  17  * @package   moodlecore
  18  * @subpackage backup-imscc
  19  * @copyright 2011 Darko Miletic (dmiletic@moodlerooms.com)
  20  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  21  */
  22
  23 defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');
  24
  25 require_once($CFG->dirroot . '/backup/cc/entities.class.php');
  26
  27 class entities11 extends entities {
  28
  29     public function get_external_xml($identifier) {
  30         $xpath = cc2moodle::newx_path(cc112moodle::$manifest, cc112moodle::$namespaces);
  31         $files = $xpath->query('/imscc:manifest/imscc:resources/imscc:resource[@identifier="' .
  32                  $identifier . '"]/imscc:file/@href');
  33         $response = empty($files) || ($files->length == 0) ? '' : $files->item(0)->nodeValue;
  34         return $response;
  35     }
  36
  37     protected function get_all_files () {
  38         global $CFG;
  39         $all_files = array();
  40         $xpath = cc2moodle::newx_path(cc112moodle::$manifest, cc112moodle::$namespaces);
  41         foreach (cc112moodle::$restypes as $type) {
  42             $files = $xpath->query('/imscc:manifest/imscc:resources/imscc:resource[@type="' .
  43                                     $type . '"]/imscc:file/@href');
  44             if (empty($files) || ($files->length == 0)) {
  45                 continue;
  46             }
  47             foreach ($files as $file) {
  48                 //omit html files
  49                 //this is a bit too simplistic
  50                 $ext = strtolower(pathinfo($file->nodeValue, PATHINFO_EXTENSION));
  51                 if (in_array($ext, array('html', 'htm', 'xhtml'))) {
  52                     continue;
  53                 }
  54                 $all_files[] = $file->nodeValue;
  55             }
  56             unset($files);
  57         }
  58
  59         //are there any labels?
  60         $xquery = "//imscc:item/imscc:item/imscc:item[imscc:title][not(@identifierref)]";
  61         $labels = $xpath->query($xquery);
  62         if (!empty($labels) && ($labels->length > 0)) {
  63             $tname = 'course_files';
  64             $dpath = cc2moodle::$path_to_manifest_folder . DIRECTORY_SEPARATOR . $tname;
  65             $rfpath = 'files.gif';
  66             $fpath = $dpath . DIRECTORY_SEPARATOR . 'files.gif';
  67             if (!file_exists($dpath)) {
  68                 mkdir($dpath, $CFG->directorypermissions, true);
  69             }
  70             //copy the folder.gif file
  71             $folder_gif = "{$CFG->dirroot}/pix/i/files.gif";
  72             copy($folder_gif, $fpath);
  73             $all_files[] = $rfpath;
  74         }
  75         $all_files = empty($all_files) ? '' : $all_files;
  76
  77         return $all_files;
  78     }
  79
  80 }
  81