$grade = Grade::get_by_subj_stud($pre_subject->id, $student_id);
$gradepre = Grade::get_by_subj_stud($pre_subject->prereq_subject_id, $student_id);
if (has_prerequisite($pre_subject->prereq_subject_id, $student_subjects)) {
if ($gradepre != null) {
if (Grade::get_by_subj_stud($pre_subject->prereq_subject_id, $student_id)->grade <= 74) {
$warnings .= "Cannot add " . $pre_subject->code . " because it's previous subject:" . Subject::get_by_id($pre_subject->prereq_subject_id)->code . " is failed\n\n";
} else {
$eval_subject = new EvaluatedSubject();
$eval_subject->student_id = $student_id;
$eval_subject->subject_id = $id;
$eval_subject->create();
}
}
} else {
$eval_subject = new EvaluatedSubject();
$eval_subject->student_id = $student_id;
$eval_subject->subject_id = $id;
$eval_subject->create();
}
}
}
if ($warnings != "") {
echo $warnings;
} else {
if (!EvaluatedStudent::exists($student_id)) {
$evaluatedstudent = new EvaluatedStudent();
$evaluatedstudent->student_id = $student_id;
$evaluatedstudent->create();
}
echo "success";
}
<?php
require_once "../includes/initialize.php";
global $session;
if (!$session->is_logged_in()) {
redirect_to("index.php");
}
if ($_POST['oper'] == 'add') {
$eval_student = new EvaluatedStudent();
$eval_student->code = $_POST['code'];
$eval_student->description = $_POST['description'];
$eval_student->year = $_POST['year'];
$eval_student->semester = $_POST['semester'];
$eval_student->create();
} else {
if ($_POST['oper'] == 'edit') {
$eval_student = EvaluatedStudent::get_by_id($_POST['id']);
$eval_student->code = $_POST['code'];
$eval_student->description = $_POST['description'];
$eval_student->year = $_POST['year'];
$eval_student->semester = $_POST['semester'];
$eval_student->update();
} else {
if ($_POST['oper'] == 'del') {
EvaluatedStudent::get_by_id($_POST['id'])->delete();
}
}
}