$request = $model->getExamRequestById($r);
$conflicts_array[] = array('course_code' => $request[0]['course_code'], 'course_section' => $request[0]['course_section'], 'exam_type' => ucfirst($request[0]['exam_type']), 'student_num' => $request[0]['student_num'], 'request_id' => $r);
}
header('Content-Type: application/json; charset=utf-8');
echo json_encode($conflicts_array);
exit;
} else {
if ($_GET['page'] === "unassign-seat") {
$model->unassignSeat($_POST['request_id']);
$loggers['audit']->info("Seat unassigned from exam {$_POST['request_id']}");
header('Content-Type: application/json; charset=utf-8');
echo json_encode($model->getExamRequestById($_POST['request_id']));
exit;
} else {
if ($_GET['page'] === "toggle-cancelled") {
$model->toggleCancelRequestById($_POST);
$loggers['audit']->info("Cancellation status changed to {$_POST['is_cancelled']} for exam {$_POST['request_id']}");
//If the exam has been cancelled, check if the user has elected to send an email
if ($_POST['is_cancelled'] === '1' && !empty($_POST['email_to_send'])) {
$exam_details = $model->getExamRequestById($_POST['request_id']);
if (!empty($exam_details)) {
//There are two possible emails that are to be sent when an exam has been cancelled
if ($_POST['email_to_send'] === 'exam_not_received') {
$model->examCancelledNotReceived($exam_details[0]);
} else {
if ($_POST['email_to_send'] === 'other') {
$model->examCancelledOther($exam_details[0]);
}
}
}
}