function __construct($course_id)
{
global $CFG, $DB;
$global_config = get_config('block_notifications');
$Course = new Course();
if (!$Course->is_registered($course_id) or !$Course->uses_notifications_block($course_id)) {
echo get_string('rss_not_enabled', 'block_notifications');
return;
}
$User = new User();
$teacher = $User->get_professor($course_id);
// if no teacher then add a dummy mail address
if (empty($teacher)) {
$teacher = new \stdClass();
$teacher->firstname = "No";
$teacher->lastname = "Teacher";
$teacher->email = "*****@*****.**";
}
$course_info = $Course->get_course_info($course_id);
$course_registration = $Course->get_registration($course_id);
if ($course_registration->notify_by_rss != 1) {
return;
// the rss is not active in the course
}
$now = date('r');
$course_name = $this->standardize($course_info->fullname);
$course_summary = $this->standardize($course_info->summary);
$output = "<?xml version=\"1.0\"?>\n\t\t\t\t\t<rss version=\"2.0\">\n\t\t\t\t\t<channel>\n\t\t\t\t\t<title>{$course_name}</title>\n\t\t\t\t\t<link>{$CFG->wwwroot}/course/view.php?id={$course_id}</link>\n\t\t\t\t\t<description>{$course_summary}</description>\n\t\t\t\t\t<language>en-us</language>\n\t\t\t\t\t<pubDate>{$now}</pubDate>\n\t\t\t\t\t<lastBuildDate>{$now}</lastBuildDate>\n\t\t\t\t\t<docs>{$CFG->wwwroot}/course/view.php?id={$course_id}</docs>\n\t\t\t\t\t<managingEditor>{$teacher->email} ({$teacher->firstname} {$teacher->lastname})</managingEditor>\n\t\t\t\t\t<webMaster>helpdesk@elearninglab.org (Helpdesk eLab)</webMaster>";
$logs = $Course->get_logs($course_id, $global_config->history_length);
$events = report_eventlist_list_generator::get_all_events_list();
if (!isset($logs) or !is_array($logs) or count($logs) == 0) {
$output .= "<item>";
$output .= '<title>' . get_string('rss_empty_title', 'block_notifications') . '</title>';
$output .= '<description>' . get_string('rss_empty_description', 'block_notifications') . '</description>';
$output .= "</item>";
} else {
$separator = ' - ';
foreach ($logs as $log) {
$output .= "<item>";
$output .= '<title>' . get_string($log->module, 'block_notifications') . ': ' . $this->standardize($log->name) . '</title>';
if (preg_match('/deleted/', $log->event)) {
$output .= "<link></link>";
} else {
$output .= "<link>" . $this->extract_url($log) . "</link>";
}
$output .= "<description>";
$output .= $this->standardize(preg_replace('/\\\\.*$/', '', $events[$log->event]['raweventname']) . ' on ' . date("r", $log->time_created));
$output .= "</description>";
$output .= "</item>";
}
}
$output .= "</channel></rss>";
header("Content-Type: application/rss+xml");
echo $output;
}