'use strict';


const assert = require('assert');
const _ = require('lodash');
const { ObjectId } = require('mongoose').Types;
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;

class LevelService extends CrudService {
  constructor(ctx) {
    super(ctx, 'news');
    this.model = this.ctx.model.Level;
    this.dmodel = this.ctx.model.Department;
  }

  async query({ skip, limit, ...info }) {
    const total = await (await this.model.find(info)).length;
    const levels = await this.model
      .find(info)
      .skip(Number(skip))
      .limit(Number(limit));
    const newdatas = [];
    for (let level of levels) {
      level = JSON.parse(JSON.stringify(level));
      const dept = await this.dmodel.findById(level.dept_id);
      level.dept_name = dept.name;
      newdatas.push(level);
    }
    return { data: newdatas, total };
  }

}

module.exports = LevelService;