grocy/public/viewjs/userpermissions.js

$('input.permission-cb').click(
    function () {
        check_hierachy(this.checked, this.name);
    }
);

function check_hierachy(checked, name) {
    var disabled = checked;
    $('#permission-sub-' + name).find('input.permission-cb')
        .prop('checked', disabled)
        .attr('disabled', disabled);
}

$('#permission-save').click(
    function () {
        var permission_list = $('input.permission-cb')
            .filter(function () {
                return $(this).prop('checked') && !$(this).attr('disabled');
            }).map(function () {
                return $(this).data('perm-id');
            }).toArray();
        Grocy.Api.Put('users/' + Grocy.EditObjectId + '/permissions', {
                'permissions': permission_list,
            }, function (result) {
                toastr.success(__t("Permissions saved"));
            }, function (xhr) {
                toastr.error(__t(JSON.parse(xhr.response).error_message));
            }
        );
    }
);

if (Grocy.EditObjectId == Grocy.UserId) {
    $('input.permission-cb[name=ADMIN]').click(function () {
        if (!this.checked) {
            if (!confirm(__t('Are you sure you want to stop being an ADMIN?'))) {
                this.checked = true;
                check_hierachy(this.checked, this.name);
            }
        }
    })
}