server-v2/app/service/business/coachInBill.js

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

//
class CoachInBillService extends CrudService {
  constructor(ctx) {
    super(ctx, 'coachinbill');
    this.model = this.ctx.model.Business.CoachInBill;
    this.rcsModel = this.ctx.model.Relation.RelationCoachSchool;
  }
  // 查重,重了不加
  async beforeCreate(body) {
    const query = _.pick(body, [ 'lesson_id', 'type', 'school_id', 'coach_id' ]);
    const num = await this.model.count(query);
    if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '已经存在 该节课已经存在明细,请核对数据');
    return body;
  }
  // 改工资
  async afterCreate(body, data) {
    const { money } = data;
    const query = _.pick(data, [ 'school_id', 'coach_id' ]);
    // 查学校与教练的关联数据
    const rcsData = await this.rcsModel.findOne(query);
    if (!rcsData) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到教练在该学校下任教的信息');
    // 累加工资
    let salary = _.get(rcsData, 'salary', 0);
    salary += money;
    rcsData.salary = salary;
    await rcsData.save();
    return data;
  }
}

module.exports = CoachInBillService;