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section.php
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section.php
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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/>.
/**
* Display a course section.
*
* @package core_course
* @copyright 2023 Sara Arjona <sara@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/completionlib.php');
redirect_if_major_upgrade_required();
$sectionid = required_param('id', PARAM_INT);
// This parameter is used by the classic theme to force editing on.
$edit = optional_param('edit', -1, PARAM_BOOL);
$section = $DB->get_record('course_sections', ['id' => $sectionid], '*', MUST_EXIST);
// Defined here to avoid notices on errors.
$PAGE->set_url('/course/section.php', ['id' => $sectionid]);
if ($section->course == SITEID) {
// The home page is not a real course.
redirect($CFG->wwwroot .'/?redirect=0');
}
$course = get_course($section->course);
// Fix course format if it is no longer installed.
$format = course_get_format($course);
$course->format = $format->get_format();
$format->set_sectionid($section->id);
// When the course format doesn't support sections, redirect to course page.
if (!course_format_uses_sections($course->format)) {
redirect(new moodle_url('/course/view.php', ['id' => $course->id]));
}
// Prevent caching of this page to stop confusion when changing page after making AJAX changes.
$PAGE->set_cacheable(false);
context_helper::preload_course($course->id);
$context = context_course::instance($course->id, MUST_EXIST);
require_login($course);
// Must set layout before getting section info. See MDL-47555.
$PAGE->set_pagelayout('course');
$PAGE->add_body_classes(['limitedwidth', 'single-section-page']);
// Get section details and check it exists.
$modinfo = get_fast_modinfo($course);
$sectioninfo = $modinfo->get_section_info($section->section, MUST_EXIST);
// Check user is allowed to see it.
if (!$sectioninfo->uservisible) {
// Check if coursesection has conditions affecting availability and if
// so, output availability info.
if ($sectioninfo->visible && $sectioninfo->availableinfo) {
$sectionname = get_section_name($course, $sectioninfo);
$message = get_string('notavailablecourse', '', $sectionname);
redirect(course_get_url($course), $message, null, \core\output\notification::NOTIFY_ERROR);
} else {
// Note: We actually already know they don't have this capability
// or uservisible would have been true; this is just to get the
// correct error message shown.
require_capability('moodle/course:viewhiddensections', $context);
}
}
$PAGE->set_pagetype('course-view-section-' . $course->format);
$PAGE->set_other_editing_capability('moodle/course:update');
$PAGE->set_other_editing_capability('moodle/course:manageactivities');
$PAGE->set_other_editing_capability('moodle/course:activityvisibility');
$PAGE->set_other_editing_capability('moodle/course:sectionvisibility');
$PAGE->set_other_editing_capability('moodle/course:movesections');
$renderer = $PAGE->get_renderer('format_' . $course->format);
// This is used by the Classic theme to change the editing mode based on the 'edit' parameter value.
if (!isset($USER->editing)) {
$USER->editing = 0;
}
if ($PAGE->user_allowed_editing()) {
if (($edit == 1) && confirm_sesskey()) {
$USER->editing = 1;
$url = new moodle_url($PAGE->url, ['notifyeditingon' => 1]);
redirect($url);
} else if (($edit == 0) && confirm_sesskey()) {
$USER->editing = 0;
if (!empty($USER->activitycopy) && $USER->activitycopycourse == $course->id) {
$USER->activitycopy = false;
$USER->activitycopycourse = null;
}
redirect($PAGE->url);
}
}
// This is used by the Classic theme, to display the Turn editing on/off button.
// We are currently keeping the button here from 1.x to help new teachers figure out what to do, even though the link also appears
// in the course admin block. It also means you can back out of a situation where you removed the admin block.
if ($PAGE->user_allowed_editing()) {
$buttons = $OUTPUT->edit_button($PAGE->url);
$PAGE->set_button($buttons);
}
// Make the title more specific when editing, for accessibility reasons.
$editingtitle = '';
if ($PAGE->user_is_editing()) {
$editingtitle = 'editing';
}
$sectionname = get_string('sectionname', "format_$course->format");
$sectiontitle = get_section_name($course, $section);
$PAGE->set_title(
get_string(
'coursesectiontitle' . $editingtitle,
'moodle',
['course' => $course->fullname, 'sectiontitle' => $sectiontitle, 'sectionname' => $sectionname]
)
);
// Add bulk editing control.
$bulkbutton = $renderer->bulk_editing_button($format);
if (!empty($bulkbutton)) {
$PAGE->add_header_action($bulkbutton);
}
$outputclass = $format->get_output_classname('content');
/** @var \core_courseformat\output\local\content */
$sectionoutput = new $outputclass($format);
// Add to the header the control menu for the section.
if ($format->show_editor()) {
$menu = $sectionoutput->get_page_header_action($renderer);
if ($menu) {
$PAGE->add_header_action($menu);
}
$sectionheading = $OUTPUT->container(
$OUTPUT->render($format->inplace_editable_render_section_name($sectioninfo, false)),
attributes: ['data-for' => 'section_title'],
);
$PAGE->set_heading($sectionheading, false, false);
} else {
$PAGE->set_heading($sectiontitle);
}
$PAGE->set_secondary_navigation(false);
echo $OUTPUT->header();
// Show communication room status notification.
if (core_communication\api::is_available() && has_capability('moodle/course:update', $context)) {
$communication = \core_communication\api::load_by_instance(
$context,
'core_course',
'coursecommunication',
$course->id
);
$communication->show_communication_room_status_notification();
}
// Display a warning if asynchronous backups are pending for this course.
if ($PAGE->user_is_editing()) {
require_once($CFG->dirroot . '/backup/util/helper/async_helper.class.php');
if (async_helper::is_async_pending($course->id, 'course', 'backup')) {
echo $OUTPUT->notification(get_string('pendingasyncedit', 'backup'), 'warning');
}
}
echo $renderer->container_start('course-content');
// Include course AJAX.
include_course_ajax($course, $modinfo->get_used_module_names());
echo $renderer->render($sectionoutput);
// Include course format javascript files.
$jsfiles = $format->get_required_jsfiles();
foreach ($jsfiles as $jsfile) {
$PAGE->requires->js($jsfile);
}
echo $renderer->container_end();
// Trigger section viewed event.
course_section_view($context, $sectionid);
// Load the view JS module if completion tracking is enabled for this course.
$completion = new completion_info($course);
if ($completion->is_enabled()) {
$PAGE->requires->js_call_amd('core_course/view', 'init');
}
echo $OUTPUT->footer();