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<?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/>.
/**
* Edit course settings
*
* @package core_course
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once('lib.php');
require_once('edit_form.php');
$id = optional_param('id', 0, PARAM_INT); // Course id.
$categoryid = optional_param('category', 0, PARAM_INT); // Course category - can be changed in edit form.
$returnto = optional_param('returnto', 0, PARAM_ALPHANUM); // Generic navigation return page switch.
$returnurl = optional_param('returnurl', '', PARAM_LOCALURL); // A return URL. returnto must also be set to 'url'.
if ($returnto === 'url' && confirm_sesskey() && $returnurl) {
// If returnto is 'url' then $returnurl may be used as the destination to return to after saving or cancelling.
// Sesskey must be specified, and would be set by the form anyway.
$returnurl = new moodle_url($returnurl);
} else {
if (!empty($id)) {
$returnurl = new moodle_url($CFG->wwwroot . '/course/view.php', array('id' => $id));
} else {
$returnurl = new moodle_url($CFG->wwwroot . '/course/');
}
if ($returnto !== 0) {
switch ($returnto) {
case 'category':
$returnurl = new moodle_url($CFG->wwwroot . '/course/index.php', array('categoryid' => $categoryid));
break;
case 'catmanage':
$returnurl = new moodle_url($CFG->wwwroot . '/course/management.php', array('categoryid' => $categoryid));
break;
case 'topcatmanage':
$returnurl = new moodle_url($CFG->wwwroot . '/course/management.php');
break;
case 'topcat':
$returnurl = new moodle_url($CFG->wwwroot . '/course/');
break;
case 'pending':
$returnurl = new moodle_url($CFG->wwwroot . '/course/pending.php');
break;
}
}
}
$PAGE->set_pagelayout('admin');
if ($id) {
$pageparams = array('id' => $id);
} else {
$pageparams = array('category' => $categoryid);
}
if ($returnto !== 0) {
$pageparams['returnto'] = $returnto;
if ($returnto === 'url' && $returnurl) {
$pageparams['returnurl'] = $returnurl;
}
}
$PAGE->set_url('/course/edit.php', $pageparams);
// Basic access control checks.
if ($id) {
// Editing course.
if ($id == SITEID){
// Don't allow editing of 'site course' using this from.
print_error('cannoteditsiteform');
}
// Login to the course and retrieve also all fields defined by course format.
$course = get_course($id);
require_login($course);
$course = course_get_format($course)->get_course();
$category = $DB->get_record('course_categories', array('id'=>$course->category), '*', MUST_EXIST);
$coursecontext = context_course::instance($course->id);
require_capability('moodle/course:update', $coursecontext);
} else if ($categoryid) {
// Creating new course in this category.
$course = null;
require_login();
$category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);
$catcontext = context_coursecat::instance($category->id);
require_capability('moodle/course:create', $catcontext);
$PAGE->set_context($catcontext);
} else {
// Creating new course in default category.
$course = null;
require_login();
$category = core_course_category::get_default();
$catcontext = context_coursecat::instance($category->id);
require_capability('moodle/course:create', $catcontext);
$PAGE->set_context($catcontext);
}
// Prepare course and the editor.
$editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
$overviewfilesoptions = course_overviewfiles_options($course);
if (!empty($course)) {
// Add context for editor.
$editoroptions['context'] = $coursecontext;
$editoroptions['subdirs'] = file_area_contains_subdirs($coursecontext, 'course', 'summary', 0);
$course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
if ($overviewfilesoptions) {
file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, $coursecontext, 'course', 'overviewfiles', 0);
}
// Inject current aliases.
$aliases = $DB->get_records('role_names', array('contextid'=>$coursecontext->id));
foreach($aliases as $alias) {
$course->{'role_'.$alias->roleid} = $alias->name;
}
// Populate course tags.
$course->tags = core_tag_tag::get_item_tags_array('core', 'course', $course->id);
} else {
// Editor should respect category context if course context is not set.
$editoroptions['context'] = $catcontext;
$editoroptions['subdirs'] = 0;
$course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
if ($overviewfilesoptions) {
file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, null, 'course', 'overviewfiles', 0);
}
}
// First create the form.
$args = array(
'course' => $course,
'category' => $category,
'editoroptions' => $editoroptions,
'returnto' => $returnto,
'returnurl' => $returnurl
);
$editform = new course_edit_form(null, $args);
if ($editform->is_cancelled()) {
// The form has been cancelled, take them back to what ever the return to is.
redirect($returnurl);
} else if ($data = $editform->get_data()) {
// Process data if submitted.
if (empty($course->id)) {
// In creating the course.
$course = create_course($data, $editoroptions);
// Get the context of the newly created course.
$context = context_course::instance($course->id, MUST_EXIST);
if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
// Deal with course creators - enrol them internally with default role.
// Note: This does not respect capabilities, the creator will be assigned the default role.
// This is an expected behaviour. See MDL-66683 for further details.
enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
}
// The URL to take them to if they chose save and display.
$courseurl = new moodle_url('/course/view.php', array('id' => $course->id));
// If they choose to save and display, and they are not enrolled take them to the enrolments page instead.
if (!is_enrolled($context) && isset($data->saveanddisplay)) {
// Redirect to manual enrolment page if possible.
$instances = enrol_get_instances($course->id, true);
foreach($instances as $instance) {
if ($plugin = enrol_get_plugin($instance->enrol)) {
if ($plugin->get_manual_enrol_link($instance)) {
// We know that the ajax enrol UI will have an option to enrol.
$courseurl = new moodle_url('/user/index.php', array('id' => $course->id, 'newcourse' => 1));
break;
}
}
}
}
} else {
// Save any changes to the files used in the editor.
update_course($data, $editoroptions);
// Set the URL to take them too if they choose save and display.
$courseurl = new moodle_url('/course/view.php', array('id' => $course->id));
}
if (isset($data->saveanddisplay)) {
// Redirect user to newly created/updated course.
redirect($courseurl);
} else {
// Save and return. Take them back to wherever.
redirect($returnurl);
}
}
// Print the form.
$site = get_site();
$streditcoursesettings = get_string("editcoursesettings");
$straddnewcourse = get_string("addnewcourse");
$stradministration = get_string("administration");
$strcategories = get_string("categories");
if (!empty($course->id)) {
// Navigation note: The user is editing a course, the course will exist within the navigation and settings.
// The navigation will automatically find the Edit settings page under course navigation.
$pagedesc = $streditcoursesettings;
$title = $streditcoursesettings;
$fullname = $course->fullname;
} else {
// The user is adding a course, this page isn't presented in the site navigation/admin.
// Adding a new course is part of course category management territory.
// We'd prefer to use the management interface URL without args.
$managementurl = new moodle_url('/course/management.php');
// These are the caps required in order to see the management interface.
$managementcaps = array('moodle/category:manage', 'moodle/course:create');
if ($categoryid && !has_any_capability($managementcaps, context_system::instance())) {
// If the user doesn't have either manage caps then they can only manage within the given category.
$managementurl->param('categoryid', $categoryid);
}
// Because the course category management interfaces are buried in the admin tree and that is loaded by ajax
// we need to manually tell the navigation we need it loaded. The second arg does this.
navigation_node::override_active_url($managementurl, true);
$pagedesc = $straddnewcourse;
$title = "$site->shortname: $straddnewcourse";
$fullname = $site->fullname;
$PAGE->navbar->add($pagedesc);
}
$PAGE->set_title($title);
$PAGE->set_heading($fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading($pagedesc);
$editform->display();
echo $OUTPUT->footer();