protected function doSave($con = null)
{
$con = is_null($con) ? $this->getConnection() : $con;
$course = $this->getObject();
$from_course = CoursePeer::retrieveByPK($this->values['course_id']);
try {
$con->beginTransaction();
foreach ($from_course->getStudents() as $student) {
foreach ($course->getCourseSubjects() as $course_subject) {
$course_subject_student = new CourseSubjectStudent();
$course_subject_student->setCourseSubjectId($course_subject->getId());
$course_subject_student->setStudentId($student->getId());
$course_subject_student->save($con);
}
}
$con->commit();
} catch (Exception $e) {
throw $e;
$con->rollBack();
}
}
