service-center/app/service/student.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 StudentService extends CrudService {
  constructor(ctx) {
    super(ctx, 'student');
    this.model = this.ctx.model.Student;
    this.umodel = this.ctx.model.User;
    this.tmodel = this.ctx.model.Trainplan;
    this.clamodel = this.ctx.model.Class;
  }

  // 查询
  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 plan = await this.tmodel.findOne({ 'termnum._id': ObjectId(elm.termid) });
      const newdata = { ...JSON.parse(JSON.stringify(elm)) };
      if (plan) {
        const term = await plan.termnum.id(elm.termid);
        newdata.termname = term.term;
        if (elm.batchid) {
          const _batch = await term.batchnum.id(elm.batchid);
          newdata.batchname = _batch.batch;
        }
      }
      if (elm.classid) {
        const classs = await this.clamodel.findById(elm.classid);
        if (classs) {
          newdata.classname = classs.name;
        }
      }
      data.push(newdata);
    }
    const result = { total, data };
    return result;
  }

  // 查询
  async seek({ termid, skip, limit }) {
    const total = await this.model.count({ termid, $or: [{ classid: null }, { classid: '' }] });
    const data = await this.model.find({ termid, $or: [{ classid: null }, { classid: '' }] }).skip(Number(skip)).limit(Number(limit));
    const result = { total, data };
    return result;
  }

  async findbedroom(data) {
    const { batchid, classid } = data;
    const result = [];
    // 如果传的是批次id
    if (batchid) {
      // 查询该批次下的所有学生
      const students = await this.model.find({ batchid });
      const bedroomList = new Set();
      // 查询该批次的所有寝室号
      for (const student of students) {
        bedroomList.add(student.bedroom);
      }
      let studentList = [];
      // 查询该批次所有寝室下的学生名单
      for (const bedroom of bedroomList) {
        const newstudents = await this.model.find({ bedroom });
        for (const newstudent of newstudents) {
          studentList.push(newstudent.name);
        }
        result.push({ bedroom, studentList });
        studentList = [];
      }
    }
    // 如果传的是班级id
    if (classid) {
      // 查询该班级所有学生
      const students = await this.model.find({ classid });
      const bedroomList = new Set();
      // 查询该班级所有寝室号
      for (const student of students) {
        bedroomList.add(student.bedroom);
      }
      let studentList = [];
      // 查询该班级所有寝室的学生名单
      for (const bedroom of bedroomList) {
        const newstudents = await this.model.find({ bedroom });
        for (const newstudent of newstudents) {
          // 如果寝室中有非本班级学生（混寝），则过滤掉不予显示
          if (newstudent.classid === classid) {
            studentList.push(newstudent.name);
          }
        }
        result.push({ bedroom, studentList });
        studentList = [];
      }
    }
    return result;
  }

  async upjob(data) {
    const { stuid, job } = data;
    const student = await this.model.findById(stuid);
    student.job = job;
    if (job === '班长' || job === '学委') {
      const user = await this.umodel.findOne({ uid: stuid, type: '4' });
      const date = await this.ctx.service.util.updatedate();
      const openid = user.openid;
      const detail = '你已被班主任设置为' + job + ',请及时登录查看';
      const remark = '感谢您的使用';
      if (openid) {
        this.ctx.service.weixin.sendTemplateMsg(this.ctx.app.config.REVIEW_TEMPLATE_ID, openid, '您有一个新的通知', detail, date, remark);
      }
    }
    return await student.save();
  }

  // 根据学生id删除班级
  async deleteclass(data) {
    for (const el of data) {
      const student = await this.model.findById(el);
      if (student) {
        student.classid = '';
        await student.save();
      }
    }
  }

}

module.exports = StudentService;