1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
17
18/**
19* Adds or updates modules in a course using new formslib
20*
21* @package    moodlecore
22* @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
23* @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24*/
25
26require_once("../config.php");
27require_once("lib.php");
28require_once($CFG->libdir.'/filelib.php');
29require_once($CFG->libdir.'/gradelib.php');
30require_once($CFG->libdir.'/completionlib.php');
31require_once($CFG->libdir.'/plagiarismlib.php');
32require_once($CFG->dirroot . '/course/modlib.php');
33
34$add    = optional_param('add', '', PARAM_ALPHANUM);     // Module name.
35$update = optional_param('update', 0, PARAM_INT);
36$return = optional_param('return', 0, PARAM_BOOL);    //return to course/view.php if false or mod/modname/view.php if true
37$type   = optional_param('type', '', PARAM_ALPHANUM); //TODO: hopefully will be removed in 2.0
38$sectionreturn = optional_param('sr', null, PARAM_INT);
39
40$url = new moodle_url('/course/modedit.php');
41$url->param('sr', $sectionreturn);
42if (!empty($return)) {
43    $url->param('return', $return);
44}
45
46if (!empty($add)) {
47    $section = required_param('section', PARAM_INT);
48    $course  = required_param('course', PARAM_INT);
49
50    $url->param('add', $add);
51    $url->param('section', $section);
52    $url->param('course', $course);
53    $PAGE->set_url($url);
54
55    $course = $DB->get_record('course', array('id'=>$course), '*', MUST_EXIST);
56    require_login($course);
57
58    // There is no page for this in the navigation. The closest we'll have is the course section.
59    // If the course section isn't displayed on the navigation this will fall back to the course which
60    // will be the closest match we have.
61    navigation_node::override_active_url(course_get_url($course, $section));
62
63    // MDL-69431 Validate that $section (url param) does not exceed the maximum for this course / format.
64    // If too high (e.g. section *id* not number) non-sequential sections inserted in course_sections table.
65    // Then on import, backup fills 'gap' with empty sections (see restore_rebuild_course_cache). Avoid this.
66    $courseformat = course_get_format($course);
67    $maxsections = $courseformat->get_max_sections();
68    if ($section > $maxsections) {
69        print_error('maxsectionslimit', 'moodle', '', $maxsections);
70    }
71
72    list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $add, $section);
73    $data->return = 0;
74    $data->sr = $sectionreturn;
75    $data->add = $add;
76    if (!empty($type)) { //TODO: hopefully will be removed in 2.0
77        $data->type = $type;
78    }
79
80    $sectionname = get_section_name($course, $cw);
81    $fullmodulename = get_string('modulename', $module->name);
82
83    if ($data->section && $course->format != 'site') {
84        $heading = new stdClass();
85        $heading->what = $fullmodulename;
86        $heading->to   = $sectionname;
87        $pageheading = get_string('addinganewto', 'moodle', $heading);
88    } else {
89        $pageheading = get_string('addinganew', 'moodle', $fullmodulename);
90    }
91    $navbaraddition = $pageheading;
92
93} else if (!empty($update)) {
94
95    $url->param('update', $update);
96    $PAGE->set_url($url);
97
98    // Select the "Edit settings" from navigation.
99    navigation_node::override_active_url(new moodle_url('/course/modedit.php', array('update'=>$update, 'return'=>1)));
100
101    // Check the course module exists.
102    $cm = get_coursemodule_from_id('', $update, 0, false, MUST_EXIST);
103
104    // Check the course exists.
105    $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
106
107    // require_login
108    require_login($course, false, $cm); // needed to setup proper $COURSE
109
110    list($cm, $context, $module, $data, $cw) = get_moduleinfo_data($cm, $course);
111    $data->return = $return;
112    $data->sr = $sectionreturn;
113    $data->update = $update;
114
115    $sectionname = get_section_name($course, $cw);
116    $fullmodulename = get_string('modulename', $module->name);
117
118    if ($data->section && $course->format != 'site') {
119        $heading = new stdClass();
120        $heading->what = $fullmodulename;
121        $heading->in   = $sectionname;
122        $pageheading = get_string('updatingain', 'moodle', $heading);
123    } else {
124        $pageheading = get_string('updatinga', 'moodle', $fullmodulename);
125    }
126    $navbaraddition = null;
127
128} else {
129    require_login();
130    print_error('invalidaction');
131}
132
133$pagepath = 'mod-' . $module->name . '-';
134if (!empty($type)) { //TODO: hopefully will be removed in 2.0
135    $pagepath .= $type;
136} else {
137    $pagepath .= 'mod';
138}
139$PAGE->set_pagetype($pagepath);
140$PAGE->set_pagelayout('admin');
141
142$modmoodleform = "$CFG->dirroot/mod/$module->name/mod_form.php";
143if (file_exists($modmoodleform)) {
144    require_once($modmoodleform);
145} else {
146    print_error('noformdesc');
147}
148
149$mformclassname = 'mod_'.$module->name.'_mod_form';
150$mform = new $mformclassname($data, $cw->section, $cm, $course);
151$mform->set_data($data);
152
153if ($mform->is_cancelled()) {
154    if ($return && !empty($cm->id)) {
155        $urlparams = [
156            'id' => $cm->id, // We always need the activity id.
157            'forceview' => 1, // Stop file downloads in resources.
158        ];
159        $activityurl = new moodle_url("/mod/$module->name/view.php", $urlparams);
160        redirect($activityurl);
161    } else {
162        redirect(course_get_url($course, $cw->section, array('sr' => $sectionreturn)));
163    }
164} else if ($fromform = $mform->get_data()) {
165    if (!empty($fromform->update)) {
166        list($cm, $fromform) = update_moduleinfo($cm, $fromform, $course, $mform);
167    } else if (!empty($fromform->add)) {
168        $fromform = add_moduleinfo($fromform, $course, $mform);
169    } else {
170        print_error('invaliddata');
171    }
172
173    if (isset($fromform->submitbutton)) {
174        $url = new moodle_url("/mod/$module->name/view.php", array('id' => $fromform->coursemodule, 'forceview' => 1));
175        if (empty($fromform->showgradingmanagement)) {
176            redirect($url);
177        } else {
178            redirect($fromform->gradingman->get_management_url($url));
179        }
180    } else {
181        redirect(course_get_url($course, $cw->section, array('sr' => $sectionreturn)));
182    }
183    exit;
184
185} else {
186
187    $streditinga = get_string('editinga', 'moodle', $fullmodulename);
188    $strmodulenameplural = get_string('modulenameplural', $module->name);
189
190    if (!empty($cm->id)) {
191        $context = context_module::instance($cm->id);
192    } else {
193        $context = context_course::instance($course->id);
194    }
195
196    $PAGE->set_heading($course->fullname);
197    $PAGE->set_title($streditinga);
198    $PAGE->set_cacheable(false);
199
200    if (isset($navbaraddition)) {
201        $PAGE->navbar->add($navbaraddition);
202    }
203
204    echo $OUTPUT->header();
205
206    if (get_string_manager()->string_exists('modulename_help', $module->name)) {
207        echo $OUTPUT->heading_with_help($pageheading, 'modulename', $module->name, 'icon');
208    } else {
209        echo $OUTPUT->heading_with_help($pageheading, '', $module->name, 'icon');
210    }
211
212    $mform->display();
213
214    echo $OUTPUT->footer();
215}
216