mirror of
https://github.com/moodle/moodle.git
synced 2025-02-13 20:36:42 +01:00
134e28b79c
Turns out this change was just wrong, we shouldn't be allowing linking to unaavilable sections. Just show the availability information on the 'index page' This reverts commit 87a31bb5d8fedd4447cf99cef13c5dd367c3ea3e.
289 lines
11 KiB
PHP
289 lines
11 KiB
PHP
<?php
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// Display the course home page.
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require_once('../config.php');
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require_once('lib.php');
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require_once($CFG->dirroot.'/mod/forum/lib.php');
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require_once($CFG->libdir.'/conditionlib.php');
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require_once($CFG->libdir.'/completionlib.php');
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$id = optional_param('id', 0, PARAM_INT);
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$name = optional_param('name', '', PARAM_RAW);
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$edit = optional_param('edit', -1, PARAM_BOOL);
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$hide = optional_param('hide', 0, PARAM_INT);
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$show = optional_param('show', 0, PARAM_INT);
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$idnumber = optional_param('idnumber', '', PARAM_RAW);
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$sectionid = optional_param('sectionid', 0, PARAM_INT);
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$section = optional_param('section', 0, PARAM_INT);
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$move = optional_param('move', 0, PARAM_INT);
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$marker = optional_param('marker',-1 , PARAM_INT);
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$switchrole = optional_param('switchrole',-1, PARAM_INT);
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$modchooser = optional_param('modchooser', -1, PARAM_BOOL);
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$params = array();
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if (!empty($name)) {
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$params = array('shortname' => $name);
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} else if (!empty($idnumber)) {
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$params = array('idnumber' => $idnumber);
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} else if (!empty($id)) {
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$params = array('id' => $id);
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}else {
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print_error('unspecifycourseid', 'error');
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}
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$course = $DB->get_record('course', $params, '*', MUST_EXIST);
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$urlparams = array('id' => $course->id);
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// Sectionid should get priority over section number
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if ($sectionid) {
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$section = $DB->get_field('course_sections', 'section', array('id' => $sectionid, 'course' => $course->id), MUST_EXIST);
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}
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if ($section) {
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$urlparams['section'] = $section;
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}
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$PAGE->set_url('/course/view.php', $urlparams); // Defined here to avoid notices on errors etc
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// Prevent caching of this page to stop confusion when changing page after making AJAX changes
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$PAGE->set_cacheable(false);
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preload_course_contexts($course->id);
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$context = context_course::instance($course->id, MUST_EXIST);
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// Remove any switched roles before checking login
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if ($switchrole == 0 && confirm_sesskey()) {
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role_switch($switchrole, $context);
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}
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require_login($course);
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// Switchrole - sanity check in cost-order...
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$reset_user_allowed_editing = false;
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if ($switchrole > 0 && confirm_sesskey() &&
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has_capability('moodle/role:switchroles', $context)) {
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// is this role assignable in this context?
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// inquiring minds want to know...
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$aroles = get_switchable_roles($context);
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if (is_array($aroles) && isset($aroles[$switchrole])) {
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role_switch($switchrole, $context);
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// Double check that this role is allowed here
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require_login($course);
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}
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// reset course page state - this prevents some weird problems ;-)
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$USER->activitycopy = false;
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$USER->activitycopycourse = NULL;
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unset($USER->activitycopyname);
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unset($SESSION->modform);
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$USER->editing = 0;
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$reset_user_allowed_editing = true;
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}
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//If course is hosted on an external server, redirect to corresponding
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//url with appropriate authentication attached as parameter
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if (file_exists($CFG->dirroot .'/course/externservercourse.php')) {
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include $CFG->dirroot .'/course/externservercourse.php';
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if (function_exists('extern_server_course')) {
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if ($extern_url = extern_server_course($course)) {
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redirect($extern_url);
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}
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}
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}
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require_once($CFG->dirroot.'/calendar/lib.php'); /// This is after login because it needs $USER
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$logparam = 'id='. $course->id;
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$loglabel = 'view';
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$infoid = $course->id;
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if ($section and $section > 0) {
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$loglabel = 'view section';
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// Get section details and check it exists.
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$modinfo = get_fast_modinfo($course);
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$coursesections = $modinfo->get_section_info($section, MUST_EXIST);
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// Check user is allowed to see it.
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if (!$coursesections->uservisible) {
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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', $context);
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}
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$infoid = $coursesections->id;
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$logparam .= '§ionid='. $infoid;
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}
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add_to_log($course->id, 'course', $loglabel, "view.php?". $logparam, $infoid);
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$course->format = clean_param($course->format, PARAM_ALPHA);
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if (!file_exists($CFG->dirroot.'/course/format/'.$course->format.'/format.php')) {
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$course->format = 'weeks'; // Default format is weeks
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}
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$PAGE->set_pagelayout('course');
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$PAGE->set_pagetype('course-view-' . $course->format);
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$PAGE->set_other_editing_capability('moodle/course:manageactivities');
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if ($reset_user_allowed_editing) {
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// ugly hack
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unset($PAGE->_user_allowed_editing);
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}
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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) and confirm_sesskey()) {
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$USER->editing = 1;
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// Redirect to site root if Editing is toggled on frontpage
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if ($course->id == SITEID) {
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redirect($CFG->wwwroot .'/?redirect=0');
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} else {
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$url = new moodle_url($PAGE->url, array('notifyeditingon' => 1));
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redirect($url);
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}
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} else if (($edit == 0) and confirm_sesskey()) {
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$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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$USER->activitycopycourse = NULL;
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}
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// Redirect to site root if Editing is toggled on frontpage
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if ($course->id == SITEID) {
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redirect($CFG->wwwroot .'/?redirect=0');
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} else {
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redirect($PAGE->url);
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}
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}
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if (($modchooser == 1) && confirm_sesskey()) {
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set_user_preference('usemodchooser', $modchooser);
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} else if (($modchooser == 0) && confirm_sesskey()) {
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set_user_preference('usemodchooser', $modchooser);
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}
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if (has_capability('moodle/course:sectionvisibility', $context)) {
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if ($hide && confirm_sesskey()) {
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set_section_visible($course->id, $hide, '0');
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redirect($PAGE->url);
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}
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if ($show && confirm_sesskey()) {
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set_section_visible($course->id, $show, '1');
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redirect($PAGE->url);
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}
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}
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if (has_capability('moodle/course:update', $context)) {
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if (!empty($section)) {
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if (!empty($move) and has_capability('moodle/course:movesections', $context) and confirm_sesskey()) {
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$destsection = $section + $move;
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if (move_section_to($course, $section, $destsection)) {
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// Rebuild course cache, after moving section
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rebuild_course_cache($course->id, true);
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if ($course->id == SITEID) {
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redirect($CFG->wwwroot . '/?redirect=0');
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} else {
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redirect(course_get_url($course));
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}
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} else {
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echo $OUTPUT->notification('An error occurred while moving a section');
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}
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}
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}
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}
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} else {
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$USER->editing = 0;
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}
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$SESSION->fromdiscussion = $PAGE->url->out(false);
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if ($course->id == SITEID) {
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// This course is not a real course.
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redirect($CFG->wwwroot .'/');
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}
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$completion = new completion_info($course);
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if ($completion->is_enabled() && ajaxenabled()) {
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$PAGE->requires->string_for_js('completion-title-manual-y', 'completion');
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$PAGE->requires->string_for_js('completion-title-manual-n', 'completion');
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$PAGE->requires->string_for_js('completion-alt-manual-y', 'completion');
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$PAGE->requires->string_for_js('completion-alt-manual-n', 'completion');
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$PAGE->requires->js_init_call('M.core_completion.init');
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}
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// We are currently keeping the button here from 1.x to help new teachers figure out
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// what to do, even though the link also appears in the course admin block. It also
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// means you can back out of a situation where you removed the admin block. :)
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if ($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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$PAGE->set_title(get_string('course') . ': ' . $course->fullname);
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$PAGE->set_heading($course->fullname);
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echo $OUTPUT->header();
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if ($completion->is_enabled() && ajaxenabled()) {
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// This value tracks whether there has been a dynamic change to the page.
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// It is used so that if a user does this - (a) set some tickmarks, (b)
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// go to another page, (c) clicks Back button - the page will
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// automatically reload. Otherwise it would start with the wrong tick
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// values.
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echo html_writer::start_tag('form', array('action'=>'.', 'method'=>'get'));
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echo html_writer::start_tag('div');
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echo html_writer::empty_tag('input', array('type'=>'hidden', 'id'=>'completion_dynamic_change', 'name'=>'completion_dynamic_change', 'value'=>'0'));
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echo html_writer::end_tag('div');
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echo html_writer::end_tag('form');
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}
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// Course wrapper start.
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echo html_writer::start_tag('div', array('class'=>'course-content'));
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$modinfo = get_fast_modinfo($COURSE);
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get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
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foreach($mods as $modid=>$unused) {
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if (!isset($modinfo->cms[$modid])) {
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rebuild_course_cache($course->id);
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$modinfo = get_fast_modinfo($COURSE);
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debugging('Rebuilding course cache', DEBUG_DEVELOPER);
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break;
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}
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}
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if (!$sections = $modinfo->get_section_info_all()) { // No sections found
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$section = new stdClass;
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$section->course = $course->id; // Create a default section.
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$section->section = 0;
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$section->visible = 1;
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$section->summaryformat = FORMAT_HTML;
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$section->id = $DB->insert_record('course_sections', $section);
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rebuild_course_cache($course->id);
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$modinfo = get_fast_modinfo($COURSE);
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if (!$sections = $modinfo->get_section_info_all()) { // Try again
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print_error('cannotcreateorfindstructs', 'error');
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}
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}
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// CAUTION, hacky fundamental variable defintion to follow!
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// Note that because of the way course fromats are constructed though
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// inclusion we pass parameters around this way..
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$displaysection = $section;
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// Include the actual course format.
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require($CFG->dirroot .'/course/format/'. $course->format .'/format.php');
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// Content wrapper end.
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echo html_writer::end_tag('div');
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// Include course AJAX
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if (include_course_ajax($course, $modnamesused)) {
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// Add the module chooser
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$renderer = $PAGE->get_renderer('core', 'course');
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echo $renderer->course_modchooser(get_module_metadata($course, $modnames, $displaysection), $course);
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}
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echo $OUTPUT->footer();
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