/**
* This method checks:
* * If exists more than one school year
* * The school year is active
* * There are not commissions in the school year that belongs to this career school year
*/
public function canCreateLastYearCommissions()
{
$has_students = $this->getSchoolYear()->countSchoolYearStudents() > 0;
$has_commissions = count(CoursePeer::retrieveComissionsForCareerSchoolYear($this)) > 0;
return $this->getSchoolYear()->getIsActive() && SchoolYearPeer::doCount(new Criteria()) > 1 && !$has_commissions && $has_students;
}
