1 |
efrain |
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 |
* This script deals with starting a new attempt at a quiz.
|
|
|
19 |
*
|
|
|
20 |
* Normally, it will end up redirecting to attempt.php - unless a password form is displayed.
|
|
|
21 |
*
|
|
|
22 |
* This code used to be at the top of attempt.php, if you are looking for CVS history.
|
|
|
23 |
*
|
|
|
24 |
* @package mod_quiz
|
|
|
25 |
* @copyright 2009 The Open University
|
|
|
26 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
27 |
*/
|
|
|
28 |
|
|
|
29 |
use mod_quiz\quiz_attempt;
|
|
|
30 |
use mod_quiz\quiz_settings;
|
|
|
31 |
|
|
|
32 |
require_once(__DIR__ . '/../../config.php');
|
|
|
33 |
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
34 |
|
|
|
35 |
// Get submitted parameters.
|
|
|
36 |
$id = required_param('cmid', PARAM_INT); // Course module id
|
|
|
37 |
$forcenew = optional_param('forcenew', false, PARAM_BOOL); // Used to force a new preview
|
|
|
38 |
$page = optional_param('page', -1, PARAM_INT); // Page to jump to in the attempt.
|
|
|
39 |
|
|
|
40 |
$quizobj = quiz_settings::create_for_cmid($id, $USER->id);
|
|
|
41 |
|
|
|
42 |
// This script should only ever be posted to, so set page URL to the view page.
|
|
|
43 |
$PAGE->set_url($quizobj->view_url());
|
|
|
44 |
// During quiz attempts, the browser back/forwards buttons should force a reload.
|
|
|
45 |
$PAGE->set_cacheable(false);
|
|
|
46 |
|
|
|
47 |
// Check login and sesskey.
|
|
|
48 |
require_login($quizobj->get_course(), false, $quizobj->get_cm());
|
|
|
49 |
require_sesskey();
|
|
|
50 |
$PAGE->set_heading($quizobj->get_course()->fullname);
|
|
|
51 |
|
|
|
52 |
// If no questions have been set up yet redirect to edit.php or display an error.
|
|
|
53 |
if (!$quizobj->has_questions()) {
|
|
|
54 |
if ($quizobj->has_capability('mod/quiz:manage')) {
|
|
|
55 |
redirect($quizobj->edit_url());
|
|
|
56 |
} else {
|
|
|
57 |
throw new \moodle_exception('cannotstartnoquestions', 'quiz', $quizobj->view_url());
|
|
|
58 |
}
|
|
|
59 |
}
|
|
|
60 |
|
|
|
61 |
// Create an object to manage all the other (non-roles) access rules.
|
|
|
62 |
$timenow = time();
|
|
|
63 |
$accessmanager = $quizobj->get_access_manager($timenow);
|
|
|
64 |
|
|
|
65 |
// Validate permissions for creating a new attempt and start a new preview attempt if required.
|
|
|
66 |
list($currentattemptid, $attemptnumber, $lastattempt, $messages, $page) =
|
|
|
67 |
quiz_validate_new_attempt($quizobj, $accessmanager, $forcenew, $page, true);
|
|
|
68 |
|
|
|
69 |
// Check access.
|
|
|
70 |
if (!$quizobj->is_preview_user() && $messages) {
|
|
|
71 |
$output = $PAGE->get_renderer('mod_quiz');
|
|
|
72 |
throw new \moodle_exception('attempterror', 'quiz', $quizobj->view_url(),
|
|
|
73 |
$output->access_messages($messages));
|
|
|
74 |
}
|
|
|
75 |
|
|
|
76 |
if ($accessmanager->is_preflight_check_required($currentattemptid)) {
|
|
|
77 |
// Need to do some checks before allowing the user to continue.
|
|
|
78 |
$mform = $accessmanager->get_preflight_check_form(
|
|
|
79 |
$quizobj->start_attempt_url($page), $currentattemptid);
|
|
|
80 |
|
|
|
81 |
if ($mform->is_cancelled()) {
|
|
|
82 |
$accessmanager->back_to_view_page($PAGE->get_renderer('mod_quiz'));
|
|
|
83 |
|
|
|
84 |
} else if (!$mform->get_data()) {
|
|
|
85 |
|
|
|
86 |
// Form not submitted successfully, re-display it and stop.
|
|
|
87 |
$PAGE->set_url($quizobj->start_attempt_url($page));
|
|
|
88 |
$PAGE->set_title($quizobj->get_quiz_name());
|
|
|
89 |
$accessmanager->setup_attempt_page($PAGE);
|
|
|
90 |
$output = $PAGE->get_renderer('mod_quiz');
|
|
|
91 |
if (empty($quizobj->get_quiz()->showblocks)) {
|
|
|
92 |
$PAGE->blocks->show_only_fake_blocks();
|
|
|
93 |
}
|
|
|
94 |
|
|
|
95 |
echo $output->start_attempt_page($quizobj, $mform);
|
|
|
96 |
die();
|
|
|
97 |
}
|
|
|
98 |
|
|
|
99 |
// Pre-flight check passed.
|
|
|
100 |
$accessmanager->notify_preflight_check_passed($currentattemptid);
|
|
|
101 |
}
|
|
|
102 |
if ($currentattemptid) {
|
|
|
103 |
if ($lastattempt->state == quiz_attempt::OVERDUE) {
|
|
|
104 |
redirect($quizobj->summary_url($lastattempt->id));
|
|
|
105 |
} else {
|
|
|
106 |
redirect($quizobj->attempt_url($currentattemptid, $page));
|
|
|
107 |
}
|
|
|
108 |
}
|
|
|
109 |
|
|
|
110 |
$attempt = quiz_prepare_and_start_new_attempt($quizobj, $attemptnumber, $lastattempt);
|
|
|
111 |
|
|
|
112 |
// Redirect to the attempt page.
|
|
|
113 |
redirect($quizobj->attempt_url($attempt->id, $page));
|