} elseif ($_GET['page'] === "add-and-remove") {
$course_details = array();
if (!empty($_POST['mode']) && $_POST['mode'] !== "template") {
$_POST['mode'] = explode('-', $_POST['mode']);
$course_details['course_code'] = $_POST['mode'][0];
$course_details['course_section'] = $_POST['mode'][1] === "null" ? null : $_POST['mode'][1];
$course_details['session'] = $_POST['mode'][2];
//Check if someone is trying to edit accommodations for a course that was held in a past session
if ($model->fetchSessionStatus($course_details['session']) === -1) {
$loggers['audit']->warning("Attempted to edit accommodations for past course for student {$_POST['student_num']}");
exit;
}
}
$_POST['changes_add'] = json_decode($_POST['changes_add']);
if (sizeof($_POST['changes_add']) > 0) {
$model->addNewAccommodations($SESSION->user_id, $_POST, $_POST['changes_add'], $course_details);
$loggers['audit']->info("Accommodations added for student {$_POST['student_num']}");
}
$_POST['changes_remove'] = json_decode($_POST['changes_remove']);
if (sizeof($_POST['changes_remove']) > 0) {
$model->removeExistingAccommodations($SESSION->user_id, $_POST['changes_remove'], $_POST['student_num'], $course_details);
$loggers['audit']->info("Accommodations removed for student {$_POST['student_num']}");
}
} elseif ($_GET['page'] === "date-update") {
if (!empty($_POST['mode']) && $_POST['mode'] !== "template") {
$session = explode('-', $_POST['mode']);
$session = $session[2];
//Check if someone is trying to edit accommodation dates for a course that was held in a past session
if ($model->fetchSessionStatus($session) === -1) {
if (ctype_digit($_POST['student_num'])) {
$loggers['audit']->warning("Invalid attempt to change dates for accommodation {$_POST['student_accommodation_id']}");
