mod/quiz/addrandom.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  * 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($CFG->dirroot . '/question/editlib.php');
  31
  32 use qbank_managecategories\question_category_object;
  33
  34 list($thispageurl, $contexts, $cmid, $cm, $quiz, $pagevars) =
  35         question_edit_setup('editq', '/mod/quiz/addrandom.php', true);
  36
  37 // These params are only passed from page request to request while we stay on
  38 // this page otherwise they would go in question_edit_setup.
  39 $returnurl = optional_param('returnurl', '', PARAM_LOCALURL);
  40 $addonpage = optional_param('addonpage', 0, PARAM_INT);
  41 $category = optional_param('category', 0, PARAM_INT);
  42 $scrollpos = optional_param('scrollpos', 0, PARAM_INT);
  43
  44 // Get the course object and related bits.
  45 if (!$course = $DB->get_record('course', array('id' => $quiz->course))) {
  46     throw new \moodle_exception('invalidcourseid');
  47 }
  48 // You need mod/quiz:manage in addition to question capabilities to access this page.
  49 // You also need the moodle/question:useall capability somewhere.
  50 require_capability('mod/quiz:manage', $contexts->lowest());
  51 if (!$contexts->having_cap('moodle/question:useall')) {
  52     throw new \moodle_exception('nopermissions', '', '', 'use');
  53 }
  54
  55 $PAGE->set_url($thispageurl);
  56
  57 if ($returnurl) {
  58     $returnurl = new moodle_url($returnurl);
  59 } else {
  60     $returnurl = new moodle_url('/mod/quiz/edit.php', array('cmid' => $cmid));
  61 }
  62 if ($scrollpos) {
  63     $returnurl->param('scrollpos', $scrollpos);
  64 }
  65
  66 $defaultcategoryobj = question_make_default_categories($contexts->all());
  67 $defaultcategory = $defaultcategoryobj->id . ',' . $defaultcategoryobj->contextid;
  68
  69 $qcobject = new question_category_object(
  70     $pagevars['cpage'],
  71     $thispageurl,
  72     $contexts->having_one_edit_tab_cap('categories'),
  73     $defaultcategoryobj->id,
  74     $defaultcategory,
  75     null,
  76     $contexts->having_cap('moodle/question:add'));
  77
  78 $mform = new quiz_add_random_form(new moodle_url('/mod/quiz/addrandom.php'),
  79                 array('contexts' => $contexts, 'cat' => $pagevars['cat']));
  80
  81 if ($mform->is_cancelled()) {
  82     redirect($returnurl);
  83 }
  84
  85 if ($data = $mform->get_data()) {
  86     if (!empty($data->existingcategory)) {
  87         list($categoryid) = explode(',', $data->category);
  88         $includesubcategories = !empty($data->includesubcategories);
  89         if (!$includesubcategories) {
  90             // If the chosen category is a top category.
  91             $includesubcategories = $DB->record_exists('question_categories', ['id' => $categoryid, 'parent' => 0]);
  92         }
  93         $returnurl->param('cat', $data->category);
  94
  95     } else if (!empty($data->newcategory)) {
  96         list($parentid, $contextid) = explode(',', $data->parent);
  97         $categoryid = $qcobject->add_category($data->parent, $data->name, '', true);
  98         $includesubcategories = 0;
  99
 100         $returnurl->param('cat', $categoryid . ',' . $contextid);
 101     } else {
 102         throw new coding_exception(
 103                 'It seems a form was submitted without any button being pressed???');
 104     }
 105
 106     if (empty($data->fromtags)) {
 107         $data->fromtags = [];
 108     }
 109
 110     $tagids = array_map(function($tagstrings) {
 111         return (int)explode(',', $tagstrings)[0];
 112     }, $data->fromtags);
 113
 114     quiz_add_random_questions($quiz, $addonpage, $categoryid, $data->numbertoadd, $includesubcategories, $tagids);
 115     quiz_delete_previews($quiz);
 116     quiz_update_sumgrades($quiz);
 117     redirect($returnurl);
 118 }
 119
 120 $mform->set_data(array(
 121     'addonpage' => $addonpage,
 122     'returnurl' => $returnurl,
 123     'cmid' => $cm->id,
 124     'category' => $category,
 125 ));
 126
 127 // Setup $PAGE.
 128 $streditingquiz = get_string('editinga', 'moodle', get_string('modulename', 'quiz'));
 129 $PAGE->navbar->add($streditingquiz);
 130 $PAGE->set_title($streditingquiz);
 131 $PAGE->set_heading($course->fullname);
 132 echo $OUTPUT->header();
 133
 134 if (!$quizname = $DB->get_field($cm->modname, 'name', array('id' => $cm->instance))) {
 135             throw new \moodle_exception('invalidcoursemodule');
 136 }
 137
 138 echo $OUTPUT->heading(get_string('addrandomquestiontoquiz', 'quiz', $quizname), 2);
 139 $mform->display();
 140 echo $OUTPUT->footer();
 141