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($CFG->dirroot . '/question/editlib.php');
  31 require_once($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