service-center/app/service/bedroom.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 BedroomService extends CrudService {
  constructor(ctx) {
    super(ctx, 'bedroom');
    this.model = this.ctx.model.Bedroom;
    this.smodel = this.ctx.model.Student;
    this.tmodel = this.ctx.model.Trainplan;
    this.cmodel = this.ctx.model.Class;
    this.umodel = this.ctx.model.User;
    this.ctmodel = this.ctx.model.Classtype;
    this.nmodel = this.ctx.model.Notice;
  }

  // 根据班级id查找班级下所有寝室列表并查询出寝室下学生信息
  async roomstu({ id }) {
    // 通过班级id查询学生表信息
    const students = await this.smodel.find({ classid: id });
    const _bedrooms = _.map(students, 'bedroom');
    // 取得无重复的寝室号
    const bedrooms = _.uniq(_bedrooms);
    const data = [];
    // 根据寝室号 取得相应的学生信息
    for (const elm of bedrooms) {
      const stus = students.filter(item => item.bedroom === elm);
      const newdata = { bedroom: elm, stus };
      data.push(newdata);
    }
    return data;
  }

  async ibeacon(data) {
    assert(data.openid, '用户信息不能为空');
    // 通过openid取得学生信息
    const user = await this.ctx.service.user.findByOpenid(data.openid);
    if (!user) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '用户不存在');
    }
    const student = await this.smodel.findById(user.uid);
    if (!student) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '学生信息不存在');
    }
    const beedroom = await this.model.findOne({ code: student.bedroom });
    if (!beedroom) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '寝室信息不存在');
    }
    return { data: { ibeacon: beedroom.ibeacon } };
  }

  // 一键分寝
  async apart(data) {
    const { trainplanid, termid, batchid } = data;
    assert(trainplanid, 'trainplanid不能为空');
    assert(termid, 'termid不能为空');
    assert(batchid, 'batchid不能为空');
    // 根据计划id取得当前计划
    const trainplan = await this.tmodel.findById(trainplanid);
    // 根据期id取得当前期信息
    const term = trainplan.termnum.find(p => p.id === termid);
    // 根据批次id查询批次信息
    const _batch = term.batchnum.find(p => p.id === batchid);
    // 查询所有寝室列表
    const bedroomList = await this.model
      .find({ batch: _batch.batch, status: '0' })
      .sort({ floor: -1 });
    // 循环所有当前批次下的寝室列表进行分寝处理
    const studentList = await this.getstudents(termid, batchid);
    for (const bedroom of bedroomList) {
      // 判断当前寝室号是否已有
      // 根据期id查找所有当期学生列表
      const _stu = _.filter(studentList, { bedroom: bedroom.code });
      if (bedroom.number !== _stu.length) {
        let i = 0;
        let _gender = '';
        for (const stud of studentList) {
          if (stud.bedroom) {
            if (stud.bedroom === bedroom.code) {
              i = i + 1;
            }
            continue;
          }
          if (i === 0) {
            if (!bedroom.gender) {
              stud.bedroomid = bedroom.id;
              stud.bedroom = bedroom.code;
              await stud.save();
              i = i + 1;
              _gender = stud.gender;
            } else {
              if (bedroom.gender === stud.gender) {
                stud.bedroomid = bedroom.id;
                stud.bedroom = bedroom.code;
                await stud.save();
                i = i + 1;
                _gender = stud.gender;
              }
            }
          } else if (i < bedroom.number) {
            if (_gender === stud.gender) {
              stud.bedroomid = bedroom.id;
              stud.bedroom = bedroom.code;
              await stud.save();
              i = i + 1;
            }
          } else if (i === bedroom.number) {
            i = 0;
            break;
          }
        }
      }
    }
    // 取得当前批次的所有班级
    const classes = await this.cmodel.find({ batchid });
    const detail = '班级学生名单与寝室安排已确认，请及时查收';
    const nres = await this.nmodel.create({
      planyearid: trainplan.planyearid,
      planid: trainplanid,
      termid,
      noticeid: 'system',
      content: detail,
      type: '5',
    });

    for (const _class of classes) {
      // 取得每个班级的班主任id
      const headteacherid = _class.headteacherid;
      const headteacher = await this.umodel.findOne({
        uid: headteacherid,
        type: '1',
      });
      if (headteacher && headteacher.openid) {
        const openid = headteacher.openid;
        const remark = '感谢您的使用';
        const date = await this.ctx.service.util.updatedate();
        this.ctx.service.weixin.sendTemplateMsg(
          this.ctx.app.config.REVIEW_TEMPLATE_ID,
          openid,
          '您有一个新的通知',
          detail,
          date,
          remark,
          _class.id
        );
        nres.notified.push({
          notifiedid: headteacher.uid,
          username: headteacher.name,
        });
      }
      await nres.save();
    }
  }

  // 取得符合条件的学生列表
  async getstudents(termid, batchid) {
    // 根据期id查找所有当期学生列表
    const cltype = await this.ctmodel.find({ bedroom: '0' });
    const types = _.map(cltype, 'code');
    const studentList = await this.smodel
      .find({ termid, batchid, type: { $in: types } })
      .sort({ gender: -1 });
    return studentList;
  }

  // 取得符合条件的学生列表
  async getbedroomstudents(termid, batchid, bedroom) {
    // 根据期id查找所有当期学生列表
    const studentList = await this.smodel.find({ termid, batchid, bedroom });
    return studentList;
  }

  // 新 分配寝室查询可以的列表
  async getAssignRoom({ termid }) {
    const bedroomList = await this.model.find();
    const stuList = await this.smodel.find({ termid });
    const stuBedIdGroup = _.groupBy(stuList, 'bedroomid');
    const keys = Object.keys(stuBedIdGroup);
    // 过滤出没有人的寝室
    let noperson = bedroomList.filter(f => !(keys.find(k => {
      if (k === undefined || k === 'undefined' || k === null || k === 'null') return false;
      return ObjectId(k).equals(f._id);
    })));
    noperson = JSON.parse(JSON.stringify(noperson));
    const nopersonList = [];
    for (const i of noperson) {
      const n = `${i.code}(${i.number}人)`;
      const obj = { ...i, name: n };
      nopersonList.push(obj);
    }
    const havepersonList = [];
    for (const key of keys) {
      if (key === undefined || key === 'undefined' || key === null || key === 'null') continue;
      // 取出分组后,以寝室id为key的学生列表
      const list = stuBedIdGroup[key];
      // 找到寝室obj
      const bedroom = bedroomList.find(f => ObjectId(key).equals(f._id));
      // 找不到寝室就算了,下一个吧
      if (!bedroom) continue;
      // 找到这个寝室人数限制
      const { number } = bedroom;
      // 超出,等于限制人数,继续下个寝室
      if (list.length >= number * 1) continue;
      // 这个寝室人没满,需要组织数据了
      const { _id, code, floor } = bedroom;
      const elsenum = number * 1 - list.length;
      const stu = _.head(list);
      const { gender } = stu;
      let ncode = `${code}(`;
      if (elsenum) ncode = `${ncode} 剩余${elsenum}人`;
      if (gender) ncode = `${ncode} ${gender}性`;
      if (floor)ncode = `${ncode} ${floor}楼`;
      ncode = `${ncode})`;
      const obj = { _id, code, name: ncode };
      havepersonList.push(obj);
    }
    return [ ...nopersonList, ...havepersonList ];
  }

  // 批量修改学生寝室(新) TODO,需要添加期id,然后找这个寝室,这期同学是否占满/性别错误的问题
  async updateStudent(data, body) {
    const { code, ids, bedroomid, termid } = body;
    const bedroom = await this.model.findById(bedroomid);
    if (!bedroom) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '不存在该寝室');
    let { number, gender } = bedroom;
    // 找到多少人在这个寝室
    const inRoom = await this.ctx.model.Student.find({ termid, bedroomid });
    const ifTotal = inRoom.length * 1 + ids.length;
    if (ifTotal > number * 1) throw new BusinessError(ErrorCode.BUSINESS, `超出人数,该寝室人最多为${number}人`);
    if (!gender) {
      // 寝室没设置性别,从这个寝室的学生中取出性别
      const stu = _.head(inRoom);
      gender = _.trim(_.get(stu, 'gender'));
    }
    const selectStuList = await this.ctx.model.Student.find({ _id: ids.map(i => ObjectId(i)) });
    for (const id of ids) {
      const r = await this.ctx.model.Student.findById(id);
      // 性别查询，是否有误
      const { gender: sg, name } = r;
      // 寝室或有已入住学生,产生的性别结果,
      if (!gender) {
        r.bedroom = code;
        r.bedroomid = bedroomid;
        await r.save();
      } else {
        if (sg && sg.includes(gender)) {
          // 有性别判断
          r.bedroom = code;
          r.bedroomid = bedroomid;
          await r.save();
        } else {
          throw new BusinessError(
            ErrorCode.BusinessError,
            `${name} 与该寝室已分配的学生性别不符!`
          );
        }
      }

    }
  }
}

module.exports = BedroomService;