h5p/edit.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 /**
  18  * Open the editor to modify an H5P content from a given H5P URL.
  19  *
  20  * @package    core_h5p
  21  * @copyright  2021 Sara Arjona <sara@moodle.com>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once(__DIR__ . '/../config.php');
  26 require_once("$CFG->libdir/formslib.php");
  27 require_once("$CFG->libdir/filestorage/file_storage.php");
  28
  29 require_login(null, false);
  30
  31 $contenturl = required_param('url', PARAM_LOCALURL);
  32 $returnurl = optional_param('returnurl', null, PARAM_LOCALURL);
  33
  34 // If no returnurl is defined, use local_referer.
  35 if (empty($returnurl)) {
  36     $returnurl = get_local_referer(false);
  37     if (empty($returnurl)) {
  38         // If local referer is empty, returnurl will be set to default site page.
  39         $returnurl = new \moodle_url('/');
  40     }
  41 }
  42
  43 $contentid = null;
  44 $isreferenced = false;
  45 $context = \context_system::instance();
  46 if (!empty($contenturl)) {
  47     list($originalfile, $h5p, $file) = \core_h5p\api::get_original_content_from_pluginfile_url($contenturl);
  48     $isreferenced = ($file !== false);
  49     if ($originalfile) {
  50         // Check if the user can edit the content behind the given URL.
  51         if (\core_h5p\api::can_edit_content($originalfile)) {
  52             if (!$h5p) {
  53                 // This H5P file hasn't been deployed yet, so it should be saved to create the entry into the H5P DB.
  54                 \core_h5p\local\library\autoloader::register();
  55                 $factory = new \core_h5p\factory();
  56                 $config = new \stdClass();
  57                 $onlyupdatelibs = !\core_h5p\helper::can_update_library($originalfile);
  58                 $contentid = \core_h5p\helper::save_h5p($factory, $originalfile, $config, $onlyupdatelibs, false);
  59             } else {
  60                 // The H5P content exists. Update the contentid value.
  61                 $contentid = $h5p->id;
  62             }
  63         }
  64         if ($file) {
  65             list($context, $course, $cm) = get_context_info_array($file->get_contextid());
  66             if ($course) {
  67                 $context = \context_course::instance($course->id);
  68             }
  69         } else {
  70             list($context, $course, $cm) = get_context_info_array($originalfile->get_contextid());
  71             if ($course) {
  72                 $context = \context_course::instance($course->id);
  73             }
  74         }
  75     }
  76 }
  77
  78 if (empty($contentid)) {
  79     throw new \moodle_exception('error:emptycontentid', 'core_h5p', $returnurl);
  80 }
  81
  82 $pagetitle = get_string('h5peditor', 'core_h5p');
  83 $url = new \moodle_url("/h5p/edit.php");
  84
  85 $PAGE->set_context($context);
  86 $PAGE->set_url($url);
  87 $PAGE->set_title($pagetitle);
  88 $PAGE->set_heading($pagetitle);
  89 $PAGE->set_pagelayout('course');
  90
  91 $values = [
  92     'id' => $contentid,
  93     'contenturl' => $contenturl,
  94     'returnurl' => $returnurl,
  95 ];
  96
  97 $form = new \core_h5p\form\editcontent_form(null, $values);
  98 if ($form->is_cancelled()) {
  99     redirect($returnurl);
 100 } else if ($data = $form->get_data()) {
 101     $form->save_h5p($data);
 102     if (!empty($returnurl)) {
 103         redirect($returnurl);
 104     }
 105 }
 106
 107 echo $OUTPUT->header();
 108
 109 if ($isreferenced) {
 110     echo $OUTPUT->notification(get_string('contentinuse', 'core_h5p'), 'info');
 111 }
 112
 113 $form->display();
 114
 115 echo $OUTPUT->footer();