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Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.

Differences Between: [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402]

   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   * Fallback page of /mod/quiz/edit.php add random question dialog,
  19   * for users who do not use javascript.
  20   *
  21   * @package   mod_quiz
  22   * @copyright 2008 Olli Savolainen
  23   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  
  27  require_once(__DIR__ . '/../../config.php');
  28  require_once($CFG->dirroot . '/mod/quiz/locallib.php');
  29  require_once($CFG->dirroot . '/mod/quiz/addrandomform.php');
  30  require_once($CFG->dirroot . '/question/editlib.php');
  31  require_once($CFG->dirroot . '/question/category_class.php');
  32  
  33  list($thispageurl, $contexts, $cmid, $cm, $quiz, $pagevars) =
  34          question_edit_setup('editq', '/mod/quiz/addrandom.php', true);
  35  
  36  // These params are only passed from page request to request while we stay on
  37  // this page otherwise they would go in question_edit_setup.
  38  $returnurl = optional_param('returnurl', '', PARAM_LOCALURL);
  39  $addonpage = optional_param('addonpage', 0, PARAM_INT);
  40  $category = optional_param('category', 0, PARAM_INT);
  41  $scrollpos = optional_param('scrollpos', 0, PARAM_INT);
  42  
  43  // Get the course object and related bits.
  44  if (!$course = $DB->get_record('course', array('id' => $quiz->course))) {
  45      print_error('invalidcourseid');
  46  }
  47  // You need mod/quiz:manage in addition to question capabilities to access this page.
  48  // You also need the moodle/question:useall capability somewhere.
  49  require_capability('mod/quiz:manage', $contexts->lowest());
  50  if (!$contexts->having_cap('moodle/question:useall')) {
  51      print_error('nopermissions', '', '', 'use');
  52  }
  53  
  54  $PAGE->set_url($thispageurl);
  55  
  56  if ($returnurl) {
  57      $returnurl = new moodle_url($returnurl);
  58  } else {
  59      $returnurl = new moodle_url('/mod/quiz/edit.php', array('cmid' => $cmid));
  60  }
  61  if ($scrollpos) {
  62      $returnurl->param('scrollpos', $scrollpos);
  63  }
  64  
  65  $defaultcategoryobj = question_make_default_categories($contexts->all());
  66  $defaultcategory = $defaultcategoryobj->id . ',' . $defaultcategoryobj->contextid;
  67  
  68  $qcobject = new question_category_object(
  69      $pagevars['cpage'],
  70      $thispageurl,
  71      $contexts->having_one_edit_tab_cap('categories'),
  72      $defaultcategoryobj->id,
  73      $defaultcategory,
  74      null,
  75      $contexts->having_cap('moodle/question:add'));
  76  
  77  $mform = new quiz_add_random_form(new moodle_url('/mod/quiz/addrandom.php'),
  78                  array('contexts' => $contexts, 'cat' => $pagevars['cat']));
  79  
  80  if ($mform->is_cancelled()) {
  81      redirect($returnurl);
  82  }
  83  
  84  if ($data = $mform->get_data()) {
  85      if (!empty($data->existingcategory)) {
  86          list($categoryid) = explode(',', $data->category);
  87          $includesubcategories = !empty($data->includesubcategories);
  88          if (!$includesubcategories) {
  89              // If the chosen category is a top category.
  90              $includesubcategories = $DB->record_exists('question_categories', ['id' => $categoryid, 'parent' => 0]);
  91          }
  92          $returnurl->param('cat', $data->category);
  93  
  94      } else if (!empty($data->newcategory)) {
  95          list($parentid, $contextid) = explode(',', $data->parent);
  96          $categoryid = $qcobject->add_category($data->parent, $data->name, '', true);
  97          $includesubcategories = 0;
  98  
  99          $returnurl->param('cat', $categoryid . ',' . $contextid);
 100      } else {
 101          throw new coding_exception(
 102                  'It seems a form was submitted without any button being pressed???');
 103      }
 104  
 105      if (empty($data->fromtags)) {
 106          $data->fromtags = [];
 107      }
 108  
 109      $tagids = array_map(function($tagstrings) {
 110          return (int)explode(',', $tagstrings)[0];
 111      }, $data->fromtags);
 112  
 113      quiz_add_random_questions($quiz, $addonpage, $categoryid, $data->numbertoadd, $includesubcategories, $tagids);
 114      quiz_delete_previews($quiz);
 115      quiz_update_sumgrades($quiz);
 116      redirect($returnurl);
 117  }
 118  
 119  $mform->set_data(array(
 120      'addonpage' => $addonpage,
 121      'returnurl' => $returnurl,
 122      'cmid' => $cm->id,
 123      'category' => $category,
 124  ));
 125  
 126  // Setup $PAGE.
 127  $streditingquiz = get_string('editinga', 'moodle', get_string('modulename', 'quiz'));
 128  $PAGE->navbar->add($streditingquiz);
 129  $PAGE->set_title($streditingquiz);
 130  $PAGE->set_heading($course->fullname);
 131  echo $OUTPUT->header();
 132  
 133  if (!$quizname = $DB->get_field($cm->modname, 'name', array('id' => $cm->instance))) {
 134              print_error('invalidcoursemodule');
 135  }
 136  
 137  echo $OUTPUT->heading(get_string('addrandomquestiontoquiz', 'quiz', $quizname), 2);
 138  $mform->display();
 139  echo $OUTPUT->footer();
 140