public function canBeDeleted() { $criteria = new Criteria(); $criteria->add(CourseSubjectDayPeer::CLASSROOM_ID, $this->getId()); return CourseSubjectDayPeer::doCount($criteria) == 0; }
public function isConfiguredToCourse($day_number) { $c = new Criteria(); $c->add(CourseSubjectDayPeer::COURSE_SUBJECT_ID, $this->getId()); $c->add(CourseSubjectDayPeer::DAY, $day_number); return CourseSubjectDayPeer::doCount($c) > 0; }