/**
* Calculates average score for course.
*
* @return int Returns average score for course.
*/
public function average()
{
$count = 0;
$sum = 0;
$rounds = Round::find_by_course($this->id);
if (count($rounds) > 0) {
foreach ($rounds as $round) {
$scores = $round->getScores();
if (count($scores) > 0) {
foreach ($scores as $score) {
$count++;
$sum += $score->throws;
}
}
}
}
$return = 0;
if ($count != 0) {
$return = $sum / $count;
}
return $return;
}
