class BaseController {
  response = (code = 200, msg = '', data = {}, page = 1, limit = 10) => {
    const res = this.getPagingData(data, page, limit);
    return {
      'errcode': code,
      'msg': msg,
      'title': msg,
      // 'data': data,
      ...res,
    };
  };
  getPagination = (page, size = 10) => {
    const limit = size ? +size : 3;
    const offset = page ? (page-1) * limit : 0;

    return { limit, offset };
  };
  getPagingData = (_data, page, limit) => {
    const { count: totalCount, rows: data } = _data;
    if ( !data || !totalCount) {
      return { data: _data };
    }
    const currentPage = page ? +page : 0;
    const totalPages = Math.ceil(totalCount / limit);

    return { totalCount, data, totalPages, currentPage };
  };
}
module.exports = BaseController;