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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   * Rest endpoint for ajax editing for paging operations on the quiz structure.
  19   *
  20   * @package   mod_quiz
  21   * @copyright 2014 The Open University
  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->dirroot . '/mod/quiz/locallib.php');
  27  
  28  $cmid = required_param('cmid', PARAM_INT);
  29  $quizid = required_param('quizid', PARAM_INT);
  30  $slotnumber = required_param('slot', PARAM_INT);
  31  $repagtype = required_param('repag', PARAM_INT);
  32  
  33  require_sesskey();
  34  $quizobj = quiz::create($quizid);
  35  require_login($quizobj->get_course(), false, $quizobj->get_cm());
  36  require_capability('mod/quiz:manage', $quizobj->get_context());
  37  if (quiz_has_attempts($quizid)) {
  38      $reportlink = quiz_attempt_summary_link_to_reports($quizobj->get_quiz(),
  39                      $quizobj->get_cm(), $quizobj->get_context());
  40      throw new \moodle_exception('cannoteditafterattempts', 'quiz',
  41              new moodle_url('/mod/quiz/edit.php', array('cmid' => $cmid)), $reportlink);
  42  }
  43  
  44  $slotnumber++;
  45  $repage = new \mod_quiz\repaginate($quizid);
  46  $repage->repaginate_slots($slotnumber, $repagtype);
  47  
  48  $structure = $quizobj->get_structure();
  49  $slots = $structure->refresh_page_numbers_and_update_db($structure->get_quiz());
  50  
  51  redirect(new moodle_url('edit.php', array('cmid' => $quizobj->get_cmid())));