/**
* This method returns the marks average of a student in a course_subject_student given.
*
* @param CourseSubjectStudent $course_subject_student
* @return <type>
*/
public function getMarksAverage($course_subject_student, PropelPDO $con = null)
{
if (!is_null($course_subject_student->getStudentApprovedCourseSubject())) {
$average = $course_subject_student->getStudentApprovedCourseSubject()->getMark();
} else {
$sum = 0;
foreach ($course_subject_student->getCourseSubjectStudentMarks() as $cssm) {
$sum += $cssm->getMark();
}
$average = (string) ($sum / $course_subject_student->countCourseSubjectStudentMarks(null, false, $con));
}
$average = sprintf('%.4s', $average);
return $average;
}
