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   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   * Regrades a module that has been added or updated when it might take a long time.
  19   *
  20   * A progress bar will be displayed in that case, and then the user can click 'Continue' to proceed.
  21   * If for some reason you get to this page when regrading will not take a long time, then it will
  22   * redirect immediately.
  23   *
  24   * @package core_course
  25   * @copyright 2022 The Open University
  26   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27   */
  28  
  29  define('NO_OUTPUT_BUFFERING', true);
  30  require('../config.php');
  31  require_once($CFG->libdir . '/gradelib.php');
  32  
  33  $cmid = required_param('id', PARAM_INT);
  34  $urlpath = required_param('url', PARAM_LOCALURL);
  35  $url = new moodle_url($urlpath);
  36  
  37  // Check that an absolute url/path was specified e.g. /course/view.php (it probably isn't a
  38  // security risk to allow a relative one, but isn't necessary here).
  39  if (!$url->get_host()) {
  40      throw new moodle_exception('missingparam', 'error', '', 'url');
  41  }
  42  
  43  // Get course.
  44  [$course, $cm] = get_course_and_cm_from_cmid($cmid);
  45  $context = \context_module::instance($cm->id);
  46  
  47  // Set up page for display.
  48  $PAGE->set_url(new moodle_url('/course/modregrade.php', ['id' => $cmid, 'url' => $url]));
  49  $PAGE->set_context($context);
  50  $PAGE->set_title($course->shortname . ': ' . get_string('recalculatinggrades', 'grades'));
  51  
  52  // Security check: must be logged in with manage activities permission.
  53  require_login($course, false, $cm);
  54  require_capability('moodle/course:manageactivities', $context);
  55  
  56  // Do the regrade if necessary.
  57  grade_regrade_final_grades_if_required($course);
  58  
  59  // Redirect back to the target URL.
  60  redirect($url);