module.exports = function(Self) {
    Self.installMethod('filter', filterParams, filterResults);

    function filterParams(params) {
        return {
            where: {
                clientFk: params.clientFk
            },
            skip: (params.page - 1) * params.size,
            limit: params.size,
            order: params.order || 'created DESC',
            include: {
                relation: "employee",
                scope: {
                    fields: ["id", "name", "surname"]
                }
            }
        };
    }

    function filterResults(instances) {
        let result = JSON.parse(JSON.stringify(instances));
        if (result && result.instances && result.instances.length) {
            result.instances.forEach((element, i) => {
                result.instances[i].employee.name = `${element.employee.name} ${element.employee.surname}`;
                delete result.instances[i].employee.surname;
            });
        }
        return result;
    }
};