include_once realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . "common.php";
use block_notifications\User;
// print_r($_POST);exit;
// check email preference
$notify_by_email = 0;
if (isset($_POST['notify_by_email']) and $_POST['notify_by_email'] == 1) {
    $notify_by_email = 1;
}
// check sms preference
$notify_by_sms = 0;
if (isset($_POST['notify_by_sms']) and $_POST['notify_by_sms'] == 1) {
    $notify_by_sms = 1;
}
// check user id
$user_id;
if (isset($_POST['user_id'])) {
    $user_id = $_POST['user_id'];
} else {
    exit;
}
// check course id
$course_id;
if (isset($_POST['course_id'])) {
    $course_id = $_POST['course_id'];
} else {
    exit;
}
$User = new User();
$User->update_preferences($user_id, $course_id, $notify_by_email, $notify_by_sms);