forked from moodle/moodle
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathedit_rest.php
206 lines (184 loc) · 9.22 KB
/
edit_rest.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Rest endpoint for ajax editing of quiz structure.
*
* @package mod_quiz
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if (!defined('AJAX_SCRIPT')) {
define('AJAX_SCRIPT', true);
}
require_once(__DIR__ . '/../../config.php');
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
// Initialise ALL the incoming parameters here, up front.
$quizid = required_param('quizid', PARAM_INT);
$class = required_param('class', PARAM_ALPHA);
$field = optional_param('field', '', PARAM_ALPHA);
$instanceid = optional_param('instanceId', 0, PARAM_INT);
$sectionid = optional_param('sectionId', 0, PARAM_INT);
$previousid = optional_param('previousid', 0, PARAM_INT);
$value = optional_param('value', 0, PARAM_INT);
$column = optional_param('column', 0, PARAM_ALPHA);
$id = optional_param('id', 0, PARAM_INT);
$summary = optional_param('summary', '', PARAM_RAW);
$sequence = optional_param('sequence', '', PARAM_SEQUENCE);
$visible = optional_param('visible', 0, PARAM_INT);
$pageaction = optional_param('action', '', PARAM_ALPHA); // Used to simulate a DELETE command.
$maxmark = optional_param('maxmark', '', PARAM_FLOAT);
$newheading = optional_param('newheading', '', PARAM_TEXT);
$shuffle = optional_param('newshuffle', 0, PARAM_INT);
$page = optional_param('page', '', PARAM_INT);
$ids = optional_param('ids', '', PARAM_SEQUENCE);
$PAGE->set_url('/mod/quiz/edit-rest.php',
array('quizid' => $quizid, 'class' => $class));
require_sesskey();
$quiz = $DB->get_record('quiz', array('id' => $quizid), '*', MUST_EXIST);
$cm = get_coursemodule_from_instance('quiz', $quiz->id, $quiz->course);
$course = $DB->get_record('course', array('id' => $quiz->course), '*', MUST_EXIST);
require_login($course, false, $cm);
$quizobj = new quiz($quiz, $cm, $course);
$structure = $quizobj->get_structure();
$modcontext = context_module::instance($cm->id);
echo $OUTPUT->header(); // Send headers.
// All these AJAX actions should be logically atomic.
$transaction = $DB->start_delegated_transaction();
// OK, now let's process the parameters and do stuff
// MDL-10221 the DELETE method is not allowed on some web servers,
// so we simulate it with the action URL param.
$requestmethod = $_SERVER['REQUEST_METHOD'];
if ($pageaction == 'DELETE') {
$requestmethod = 'DELETE';
}
$result = null;
switch($requestmethod) {
case 'POST':
case 'GET': // For debugging.
switch ($class) {
case 'section':
$table = 'quiz_sections';
$section = $structure->get_section_by_id($id);
switch ($field) {
case 'getsectiontitle':
require_capability('mod/quiz:manage', $modcontext);
$result = array('instancesection' => $section->heading);
break;
case 'updatesectiontitle':
require_capability('mod/quiz:manage', $modcontext);
$structure->set_section_heading($id, $newheading);
$result = array('instancesection' => format_string($newheading));
break;
case 'updateshufflequestions':
require_capability('mod/quiz:manage', $modcontext);
$structure->set_section_shuffle($id, $shuffle);
$result = array('instanceshuffle' => $section->shufflequestions);
break;
}
break;
case 'resource':
switch ($field) {
case 'move':
require_capability('mod/quiz:manage', $modcontext);
if (!$previousid) {
$section = $structure->get_section_by_id($sectionid);
if ($section->firstslot > 1) {
$previousid = $structure->get_slot_id_for_slot($section->firstslot - 1);
$page = $structure->get_page_number_for_slot($section->firstslot);
}
}
$structure->move_slot($id, $previousid, $page);
quiz_delete_previews($quiz);
$result = array('visible' => true);
break;
case 'getmaxmark':
require_capability('mod/quiz:manage', $modcontext);
$slot = $DB->get_record('quiz_slots', array('id' => $id), '*', MUST_EXIST);
$result = array('instancemaxmark' => quiz_format_question_grade($quiz, $slot->maxmark));
break;
case 'updatemaxmark':
require_capability('mod/quiz:manage', $modcontext);
$slot = $structure->get_slot_by_id($id);
if ($structure->update_slot_maxmark($slot, $maxmark)) {
// Grade has really changed.
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
quiz_update_all_attempt_sumgrades($quiz);
quiz_update_all_final_grades($quiz);
quiz_update_grades($quiz, 0, true);
}
$result = array('instancemaxmark' => quiz_format_question_grade($quiz, $maxmark),
'newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades));
break;
case 'updatepagebreak':
require_capability('mod/quiz:manage', $modcontext);
$slots = $structure->update_page_break($id, $value);
$json = array();
foreach ($slots as $slot) {
$json[$slot->slot] = array('id' => $slot->id, 'slot' => $slot->slot,
'page' => $slot->page);
}
$result = array('slots' => $json);
break;
case 'deletemultiple':
require_capability('mod/quiz:manage', $modcontext);
$ids = explode(',', $ids);
foreach ($ids as $id) {
$slot = $DB->get_record('quiz_slots', array('quizid' => $quiz->id, 'id' => $id),
'*', MUST_EXIST);
if (quiz_has_question_use($quiz, $slot->slot)) {
$structure->remove_slot($slot->slot);
}
}
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
$result = array('newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades),
'deleted' => true, 'newnumquestions' => $structure->get_question_count());
break;
case 'updatedependency':
require_capability('mod/quiz:manage', $modcontext);
$slot = $structure->get_slot_by_id($id);
$value = (bool) $value;
$structure->update_question_dependency($slot->id, $value);
$result = array('requireprevious' => $value);
break;
}
break;
}
break;
case 'DELETE':
switch ($class) {
case 'section':
require_capability('mod/quiz:manage', $modcontext);
$structure->remove_section_heading($id);
$result = array('deleted' => true);
break;
case 'resource':
require_capability('mod/quiz:manage', $modcontext);
if (!$slot = $DB->get_record('quiz_slots', array('quizid' => $quiz->id, 'id' => $id))) {
throw new moodle_exception('AJAX commands.php: Bad slot ID '.$id);
}
$structure->remove_slot($slot->slot);
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
$result = array('newsummarks' => quiz_format_grade($quiz, $quiz->sumgrades),
'deleted' => true, 'newnumquestions' => $structure->get_question_count());
break;
}
break;
}
$transaction->allow_commit();
echo json_encode($result);