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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Display a course section.
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*
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* @package core_course
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* @copyright 2023 Sara Arjona <sara@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../config.php');
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require_once('lib.php');
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require_once($CFG->libdir.'/completionlib.php');
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redirect_if_major_upgrade_required();
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$sectionid = required_param('id', PARAM_INT);
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// This parameter is used by the classic theme to force editing on.
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$edit = optional_param('edit', -1, PARAM_BOOL);
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if (!$section = $DB->get_record('course_sections', ['id' => $sectionid], '*')) {
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$url = new moodle_url('/');
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$PAGE->set_context(\core\context\system::instance());
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$PAGE->set_url($url);
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$PAGE->set_pagelayout('course');
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$PAGE->add_body_classes(['limitedwidth', 'single-section-page']);
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$PAGE->set_title(get_string('notfound', 'error'));
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$PAGE->set_heading($SITE->fullname);
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echo $OUTPUT->header();
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$errortext = new \core\output\notification(
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get_string('sectioncantbefound', 'error'),
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\core\output\notification::NOTIFY_ERROR
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);
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echo $OUTPUT->render($errortext);
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$button = new single_button($url, get_string('gobacktosite'), 'get', single_button::BUTTON_PRIMARY);
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$button->class = 'continuebutton';
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echo $OUTPUT->render($button);
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echo $OUTPUT->footer();
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die();
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}
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// Defined here to avoid notices on errors.
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$PAGE->set_url('/course/section.php', ['id' => $sectionid]);
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if ($section->course == SITEID) {
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// The home page is not a real course.
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redirect($CFG->wwwroot .'/?redirect=0');
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}
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$course = get_course($section->course);
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// Fix course format if it is no longer installed.
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$format = course_get_format($course);
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$course->format = $format->get_format();
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$format->set_sectionid($section->id);
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// When the course format doesn't support sections, redirect to course page.
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if (!course_format_uses_sections($course->format)) {
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redirect(new moodle_url('/course/view.php', ['id' => $course->id]));
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}
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// Prevent caching of this page to stop confusion when changing page after making AJAX changes.
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$PAGE->set_cacheable(false);
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context_helper::preload_course($course->id);
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$context = context_course::instance($course->id, MUST_EXIST);
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require_login($course);
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// Must set layout before getting section info. See MDL-47555.
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$PAGE->set_pagelayout('course');
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$PAGE->add_body_classes(['limitedwidth', 'single-section-page']);
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// Get section details and check it exists.
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$modinfo = get_fast_modinfo($course);
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$sectioninfo = $modinfo->get_section_info($section->section, MUST_EXIST);
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// Check user is allowed to see it.
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if (!$sectioninfo->uservisible) {
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// Check if coursesection has conditions affecting availability and if
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// so, output availability info.
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if ($sectioninfo->visible && $sectioninfo->availableinfo) {
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$sectionname = get_section_name($course, $sectioninfo);
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$message = get_string('notavailablecourse', '', $sectionname);
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redirect(course_get_url($course), $message, null, \core\output\notification::NOTIFY_ERROR);
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} else {
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// Note: We actually already know they don't have this capability
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// or uservisible would have been true; this is just to get the
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// correct error message shown.
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require_capability('moodle/course:viewhiddensections', $context);
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}
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}
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$PAGE->set_pagetype('course-view-section-' . $course->format);
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$PAGE->set_other_editing_capability('moodle/course:update');
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$PAGE->set_other_editing_capability('moodle/course:manageactivities');
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$PAGE->set_other_editing_capability('moodle/course:activityvisibility');
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$PAGE->set_other_editing_capability('moodle/course:sectionvisibility');
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$PAGE->set_other_editing_capability('moodle/course:movesections');
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$renderer = $PAGE->get_renderer('format_' . $course->format);
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// This is used by the Classic theme to change the editing mode based on the 'edit' parameter value.
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if (!isset($USER->editing)) {
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$USER->editing = 0;
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}
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if ($PAGE->user_allowed_editing()) {
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if (($edit == 1) && confirm_sesskey()) {
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$USER->editing = 1;
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$url = new moodle_url($PAGE->url, ['notifyeditingon' => 1]);
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redirect($url);
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} else if (($edit == 0) && confirm_sesskey()) {
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$USER->editing = 0;
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if (!empty($USER->activitycopy) && $USER->activitycopycourse == $course->id) {
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$USER->activitycopy = false;
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$USER->activitycopycourse = null;
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}
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redirect($PAGE->url);
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}
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}
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// This is used by the Classic theme, to display the Turn editing on/off button.
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// 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
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// in the course admin block. It also means you can back out of a situation where you removed the admin block.
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if ($PAGE->user_allowed_editing()) {
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$buttons = $OUTPUT->edit_button($PAGE->url);
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$PAGE->set_button($buttons);
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}
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// Make the title more specific when editing, for accessibility reasons.
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$editingtitle = '';
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if ($PAGE->user_is_editing()) {
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$editingtitle = 'editing';
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}
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$sectionname = $format->get_generic_section_name();
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$sectiontitle = $format->get_section_name($section);
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$PAGE->set_title(
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get_string(
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'coursesectiontitle' . $editingtitle,
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'moodle',
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['course' => $course->fullname, 'sectiontitle' => $sectiontitle, 'sectionname' => $sectionname]
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)
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);
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// Add bulk editing control.
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$bulkbutton = $renderer->bulk_editing_button($format);
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if (!empty($bulkbutton)) {
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$PAGE->add_header_action($bulkbutton);
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}
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$outputclass = $format->get_output_classname('content');
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/** @var \core_courseformat\output\local\content */
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$sectionoutput = new $outputclass($format);
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// Add to the header the control menu for the section.
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if ($format->show_editor()) {
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$menu = $sectionoutput->get_page_header_action($renderer);
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if ($menu) {
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$PAGE->add_header_action($menu);
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}
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$sectionheading = $OUTPUT->container(
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$OUTPUT->render($format->inplace_editable_render_section_name($sectioninfo, false)),
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attributes: ['data-for' => 'section_title'],
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);
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$PAGE->set_heading($sectionheading, false, false);
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} else {
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$PAGE->set_heading($sectiontitle);
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}
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$PAGE->set_secondary_navigation(false);
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echo $OUTPUT->header();
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// Show communication room status notification.
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if (core_communication\api::is_available() && has_capability('moodle/course:update', $context)) {
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$communication = \core_communication\api::load_by_instance(
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$context,
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'core_course',
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'coursecommunication',
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$course->id
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);
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$communication->show_communication_room_status_notification();
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}
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$containerattributes = [];
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if ($PAGE->user_is_editing()) {
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require_once($CFG->dirroot . '/backup/util/helper/async_helper.class.php');
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// Display a warning if asynchronous backups are pending for this course.
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if (async_helper::is_async_pending($course->id, 'course', 'backup')) {
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echo $OUTPUT->notification(get_string('pendingasyncedit', 'backup'), 'warning');
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}
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// Allow drag and drop in the course index.
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$containerattributes = [
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'data-courseindexdndallowed' => 'true',
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];
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}
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echo $renderer->container_start('course-content', attributes: $containerattributes);
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// Include course AJAX.
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include_course_ajax($course, $modinfo->get_used_module_names());
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echo $renderer->render($sectionoutput);
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// Include course format javascript files.
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$jsfiles = $format->get_required_jsfiles();
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foreach ($jsfiles as $jsfile) {
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$PAGE->requires->js($jsfile);
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}
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echo $renderer->container_end();
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// Trigger section viewed event.
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course_section_view($context, $sectionid);
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// Load the view JS module if completion tracking is enabled for this course.
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$completion = new completion_info($course);
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if ($completion->is_enabled()) {
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$PAGE->requires->js_call_amd('core_course/view', 'init');
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}
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echo $OUTPUT->footer();
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