/**
* Creates a file name
*
* @param string $name
* @return string
*/
protected function create_file_name($name)
{
global $COURSE;
$filename = trim(shorten_text(format_string($COURSE->shortname), 50, true, '')) . '_';
$filename .= trim(shorten_text(format_string($name), 100, false, ''));
$filename .= '_' . userdate(time(), '%Y%m%d', false, false);
$filename = str_replace(' ', '_', $filename);
$filename = trim(clean_filename($filename), '_');
return $filename . '.' . $this->format->get_extension();
}
