static function rank($atts)
{
$students = array();
$_rank = new NamasteRepRank();
if (empty($atts['num'])) {
$atts['num'] = 10;
}
switch (@$atts['rank_by']) {
case 'avg_grade':
$students = $_rank->avg_grade($atts['num'], @$atts['course_id'], @$atts['lesson_id']);
break;
case 'points':
$students = $_rank->points($atts['num']);
break;
case 'pageviews':
$students = $_rank->pageviews($atts['num'], @$atts['course_id'], @$atts['lesson_id']);
break;
case 'lessons':
$students = $_rank->lessons_completed($atts['num'], @$atts['course_id']);
break;
default:
$students = $_rank->courses_completed($atts['num']);
break;
}
// end switch
return $students;
}
