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Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403] [Versions 400 and 403] [Versions 401 and 403] [Versions 402 and 403]

   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  require_once('../../config.php');
  18  require_once($CFG->dirroot.'/mod/scorm/locallib.php');
  19  
  20  $id = optional_param('id', '', PARAM_INT);       // Course Module ID, or
  21  $a = optional_param('a', '', PARAM_INT);         // scorm ID
  22  $scoid = required_param('scoid', PARAM_INT);  // sco ID
  23  $attempt = required_param('attempt', PARAM_INT);  // attempt number.
  24  
  25  if (!empty($id)) {
  26      if (! $cm = get_coursemodule_from_id('scorm', $id)) {
  27          throw new \moodle_exception('invalidcoursemodule');
  28      }
  29      if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
  30          throw new \moodle_exception('coursemisconf');
  31      }
  32      if (! $scorm = $DB->get_record("scorm", array("id" => $cm->instance))) {
  33          throw new \moodle_exception('invalidcoursemodule');
  34      }
  35  } else if (!empty($a)) {
  36      if (! $scorm = $DB->get_record("scorm", array("id" => $a))) {
  37          throw new \moodle_exception('invalidcoursemodule');
  38      }
  39      if (! $course = $DB->get_record("course", array("id" => $scorm->course))) {
  40          throw new \moodle_exception('coursemisconf');
  41      }
  42      if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id)) {
  43          throw new \moodle_exception('invalidcoursemodule');
  44      }
  45  } else {
  46      throw new \moodle_exception('missingparameter');
  47  }
  48  
  49  $PAGE->set_url('/mod/scorm/datamodel.php', array('scoid' => $scoid, 'attempt' => $attempt, 'id' => $cm->id));
  50  
  51  require_login($course, false, $cm);
  52  
  53  if (confirm_sesskey() && (!empty($scoid))) {
  54      $result = true;
  55      $request = null;
  56      if (has_capability('mod/scorm:savetrack', context_module::instance($cm->id))) {
  57          // Preload all current tracking data.
  58          $sql = "SELECT e.element, v.value, v.timemodified, v.id as valueid
  59                    FROM {scorm_scoes_value} v
  60                    JOIN {scorm_attempt} a ON a.id = v.attemptid
  61                    JOIN {scorm_element} e on e.id = v.elementid
  62                    WHERE a.scormid = :scormid AND a.userid = :userid AND v.scoid = :scoid AND a.attempt = :attempt";
  63          $trackdata = $DB->get_records_sql($sql, ['userid' => $USER->id, 'scormid' => $scorm->id,
  64                                                   'scoid' => $scoid, 'attempt' => $attempt]);
  65          $attemptobject = scorm_get_attempt($USER->id, $scorm->id, $attempt);
  66          foreach (data_submitted() as $element => $value) {
  67              $element = str_replace('__', '.', $element);
  68              if (substr($element, 0, 3) == 'cmi') {
  69                  $netelement = preg_replace('/\.N(\d+)\./', "\.\$1\.", $element);
  70                  $result = scorm_insert_track($USER->id, $scorm->id, $scoid, $attemptobject, $element, $value,
  71                                               $scorm->forcecompleted, $trackdata) && $result;
  72              }
  73              if (substr($element, 0, 15) == 'adl.nav.request') {
  74                  // SCORM 2004 Sequencing Request.
  75                  require_once($CFG->dirroot.'/mod/scorm/datamodels/scorm_13lib.php');
  76  
  77                  $search = array('@continue@', '@previous@', '@\{target=(\S+)\}choice@', '@exit@',
  78                                      '@exitAll@', '@abandon@', '@abandonAll@');
  79                  $replace = array('continue_', 'previous_', '\1', 'exit_', 'exitall_', 'abandon_', 'abandonall');
  80                  $action = preg_replace($search, $replace, $value);
  81  
  82                  if ($action != $value) {
  83                      // Evaluating navigation request.
  84                      $valid = scorm_seq_overall ($scoid, $USER->id, $action, $attempt);
  85                      $valid = 'true';
  86  
  87                      // Set valid request.
  88                      $search = array('@continue@', '@previous@', '@\{target=(\S+)\}choice@');
  89                      $replace = array('true', 'true', 'true');
  90                      $matched = preg_replace($search, $replace, $value);
  91                      if ($matched == 'true') {
  92                          $request = 'adl.nav.request_valid["'.$action.'"] = "'.$valid.'";';
  93                      }
  94                  }
  95              }
  96          }
  97      }
  98      if ($result) {
  99          echo "true\n0";
 100      } else {
 101          echo "false\n101";
 102      }
 103      if ($request != null) {
 104          echo "\n".$request;
 105      }
 106  }