/**
* Finds whether this section is available at the moment for the current user.
*
* The value can be accessed publicly as $sectioninfo->available
*
* @return bool
*/
private function get_available()
{
global $CFG;
$userid = $this->modinfo->get_user_id();
if ($this->_available !== null || $userid == -1) {
// Has already been calculated or does not need calculation.
return $this->_available;
}
if (!empty($CFG->enableavailability)) {
require_once $CFG->libdir . '/conditionlib.php';
// Get availability information.
$ci = new \core_availability\info_section($this);
$this->_available = $ci->is_available($this->_availableinfo, true, $userid, $this->modinfo);
} else {
$this->_available = true;
$this->_availableinfo = '';
}
return $this->_available;
}
/**
* Return conditionally unavailable elements.
* @param $course
* @return array
* @throws \coding_exception
*/
public static function conditionally_unavailable_elements($course)
{
$cancomplete = isloggedin() && !isguestuser();
$unavailablesections = [];
$unavailablemods = [];
$information = '';
if ($cancomplete) {
$completioninfo = new \completion_info($course);
if ($completioninfo->is_enabled()) {
$modinfo = get_fast_modinfo($course);
$sections = $modinfo->get_section_info_all();
foreach ($sections as $number => $section) {
$ci = new \core_availability\info_section($section);
if (!$ci->is_available($information, true)) {
$unavailablesections[] = $number;
}
}
foreach ($modinfo->get_cms() as $mod) {
$ci = new \core_availability\info_module($mod);
if (!$ci->is_available($information, true)) {
$unavailablemods[] = $mod->id;
}
}
}
}
return [$unavailablesections, $unavailablemods];
}
/**
* Finds whether this section is available at the moment for the current user.
*
* The value can be accessed publicly as $sectioninfo->available
*
* @return bool
*/
private function get_available()
{
global $CFG;
$userid = $this->modinfo->get_user_id();
if ($this->_available !== null || $userid == -1) {
// Has already been calculated or does not need calculation.
return $this->_available;
}
$this->_available = true;
$this->_availableinfo = '';
if (!empty($CFG->enableavailability)) {
// Get availability information.
$ci = new \core_availability\info_section($this);
$this->_available = $ci->is_available($this->_availableinfo, true, $userid, $this->modinfo);
}
// Execute the hook from the course format that may override the available/availableinfo properties.
$currentavailable = $this->_available;
course_get_format($this->modinfo->get_course())->section_get_available_hook($this, $this->_available, $this->_availableinfo);
if (!$currentavailable && $this->_available) {
debugging('section_get_available_hook() can not make unavailable section available', DEBUG_DEVELOPER);
$this->_available = $currentavailable;
}
return $this->_available;
}
/**
* Javascript required by both standard header layout and flexpage layout
*
* @return void
*/
public static function page_requires_js()
{
global $CFG, $PAGE, $COURSE, $USER;
$PAGE->requires->jquery();
$PAGE->requires->strings_for_js(array('close', 'debugerrors', 'problemsfound', 'error:coverimageexceedsmaxbytes', 'error:coverimageresolutionlow', 'forumtopic', 'forumauthor', 'forumpicturegroup', 'forumreplies', 'forumlastpost', 'hiddencoursestoggle', 'loading', 'more', 'moving', 'movingcount', 'movehere', 'movefailed', 'movingdropsectionhelp', 'movingstartedhelp'), 'theme_snap');
$PAGE->requires->strings_for_js(['ok', 'cancel'], 'moodle');
$PAGE->requires->strings_for_js(['printbook'], 'booktool_print');
// Are we viewing /course/view.php - note, this is different from just checking the page type.
// We only ever want to load course.js when on site page or view.php - no point in loading it when on
// course settings page, etc.
$courseviewpage = local::current_url_path() === '/course/view.php';
$pagehascoursecontent = $PAGE->pagetype === 'site-index' || $courseviewpage;
$cancomplete = isloggedin() && !isguestuser();
$unavailablesections = [];
$unavailablemods = [];
if ($cancomplete) {
$completioninfo = new \completion_info($COURSE);
if ($completioninfo->is_enabled()) {
$modinfo = get_fast_modinfo($COURSE);
$sections = $modinfo->get_section_info_all();
foreach ($sections as $number => $section) {
$ci = new \core_availability\info_section($section);
$information = '';
if (!$ci->is_available($information, true)) {
$unavailablesections[] = $number;
}
}
foreach ($modinfo as $mod) {
$ci = new \core_availability\info_module($mod);
if (!$ci->is_available($information, true)) {
$unavailablemods[] = $mod->id;
}
}
}
}
list($unavailablesections, $unavailablemods) = local::conditionally_unavailable_elements($COURSE);
$coursevars = (object) ['id' => $COURSE->id, 'shortname' => $COURSE->shortname, 'contextid' => $PAGE->context->id, 'ajaxurl' => '/course/rest.php', 'unavailablesections' => $unavailablesections, 'unavailablemods' => $unavailablemods, 'enablecompletion' => $COURSE->enablecompletion];
$initvars = [$coursevars, $pagehascoursecontent, get_max_upload_file_size($CFG->maxbytes)];
$PAGE->requires->js_call_amd('theme_snap/snap', 'snapInit', $initvars);
// Does the page have editable course content?
if ($pagehascoursecontent && $PAGE->user_allowed_editing()) {
$canmanageacts = has_capability('moodle/course:manageactivities', context_course::instance($COURSE->id));
if ($canmanageacts && empty($USER->editing)) {
$modinfo = get_fast_modinfo($COURSE);
$modnamesused = $modinfo->get_used_module_names();
// Temporarily change edit mode to on for course ajax to be included.
$USER->editing = true;
self::include_course_ajax($COURSE, $modnamesused);
$USER->editing = false;
}
}
}
