service-center/app/service/uploadtask.js

'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 UploadtaskService extends CrudService {
  constructor(ctx) {
    super(ctx, 'uploadtask');
    this.model = this.ctx.model.Uploadtask;
    this.stumodel = this.ctx.model.Student;
  }

  async query({ skip, limit, ...info }) {
    const total = await this.model.count(info);
    const res = await this.model.find(info).skip(Number(skip)).limit(Number(limit));
    const data = [];
    for (const elm of res) {
      const _elm = _.cloneDeep(JSON.parse(JSON.stringify(elm)));
      const stu = await this.stumodel.findById(_elm.studentid);
      if (stu)_elm.stuname = stu.name;
      else {
        console.error(`学生id:${_elm.studentid}/数据错误`);
      }
      data.push(_elm);
    }
    return { data, total };
  }
  async create(data) {
    const { studentid, lessonid } = data;
    let res = await this.model.findOne({ studentid, lessonid });
    if (res) {
      // 存在数据,但是页面还是创建提交,需要进行修改
      if (_.get(data, 'picurl')) res.picurl = _.get(data, 'picurl');
      if (_.get(data, 'taskid')) res.taskid = _.get(data, 'taskid');
      if (_.get(data, 'answers')) res.picurl = _.get(data, 'answers');
      res = await res.save();
    } else {
      res = await this.model.create(data);
    }
    return res;
  }
}

module.exports = UploadtaskService;