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需求调研

多服务厅预约小程序：随着信息技术的快速发展和移动互联网的普及，越来越多的服务行业开始向线上转型, 传统的预约方式往往效率低下，用户需耗费大量时间进行电话预约或现场排队，服务厅预约小程序集多种服务于一体，可以提高服务效率、提升用户体验。用户可以浏览不同服务厅的位置、服务项目和服务时间，用户可以选择日期、时间段和人数，然后进行预约。

功能设计

公告通知，用户预约，签到核销，管理者可以自定义预约要填写的内容，比如姓名、性别、年龄、身份证、手机号等，后台预约管理，后台预约名单管理和导出Excel，后台设置预约时段和人数上线，后台管理最新通知公告，后台用户管理，后台服务厅管理，服务厅管理员设定等功能

概要设计

在这里插入图片描述

数据库设计


MeetModel.DB_STRUCTURE = {_pid: 'string|true',MEET_ID: 'string|true',MEET_ADMIN_ID: 'string|true|comment=添加的管理员',MEET_TITLE: 'string|true|comment=标题',MEET_UNIT_ID: 'string|false',MEET_UNIT_NAME: 'string|false',MEET_JOIN_FORMS: 'array|true|default=[]|comment=表单字段设置',MEET_DAYS: 'array|true|default=[]|comment=最近一次修改保存的可用日期',MEET_CATE_ID: 'string|true|comment=分类编号',MEET_CATE_NAME: 'string|true|comment=分类冗余', MEET_FORMS: 'array|true|default=[]',MEET_OBJ: 'object|true|default={}',  MEET_CANCEL_SET: 'int|true|default=1|comment=取消设置 0=不允,1=允许,2=仅开始前可取消',MEET_STATUS: 'int|true|default=1|comment=状态 0=未启用,1=使用中,9=停止预约,10=已关闭',MEET_ORDER: 'int|true|default=9999',MEET_VOUCH: 'int|true|default=0',MEET_QR: 'string|false', MEET_ADD_TIME: 'int|true',MEET_EDIT_TIME: 'int|true',MEET_ADD_IP: 'string|false',MEET_EDIT_IP: 'string|false',
};
DayModel.DB_STRUCTURE = {_pid: 'string|true',DAY_ID: 'string|true',DAY_MEET_ID: 'string|true',DAY_UNIT_ID: 'string|false',DAY_UNIT_NAME: 'string|false',day: 'string|true|comment=日期 yyyy-mm-dd',dayDesc: 'string|true|comment=描述',times: 'array|true|comment=具体时间段',/*{1. mark=唯一性标识,2. start=开始时间点hh:mm ～,  3. end=结束时间点hh:mm, 4. isLimit=是否人数限制, 5. limit=报名上限,  6. status=状态 0/17. stat:{ //统计数据 succCnt=1预约成功*, cancelCnt=10已取消, adminCancelCnt=99后台取消}}', */DAY_ADD_TIME: 'int|true',DAY_EDIT_TIME: 'int|true',DAY_ADD_IP: 'string|false',DAY_EDIT_IP: 'string|false',
};

核心实现

class MeetService extends BaseProjectService {constructor() {super();this._log = new LogUtil(projectConfig.MEET_LOG_LEVEL);}/*** 抛出异常* @param {*} msg * @param {*} code */AppError(msg) {this._log.error(msg);super.AppError(msg);}_meetLog(meet, func = '', msg = '') {let str = '';str = `[MEET=${meet.MEET_TITLE}][${func}] ${msg}`;this._log.debug(str);}/** 统一获取Meet（某天) */async getMeetOneDay(meetId, day, where, fields = '*') {let meet = await MeetModel.getOne(where, fields);if (!meet) return meet;meet.MEET_DAYS_SET = await this.getDaysSet(meetId, day, day);return meet;}/** 获取日期设置 */async getDaysSet(meetId, startDay, endDay = null) {let where = {DAY_MEET_ID: meetId}if (startDay && endDay && endDay == startDay)where.day = startDay;else if (startDay && endDay)where.day = ['between', startDay, endDay];else if (!startDay && endDay)where.day = ['<=', endDay];else if (startDay && !endDay)where.day = ['>=', startDay];let orderBy = {'day': 'asc'}let list = await DayModel.getAllBig(where, 'day,dayDesc,times', orderBy, 1000);for (let k = 0; k < list.length; k++) {delete list[k]._id;}return list;}// 按时段统计某时段报名情况async statJoinCnt(meetId, timeMark) {let whereDay = {DAY_MEET_ID: meetId,day: this.getDayByTimeMark(timeMark)};let day = await DayModel.getOne(whereDay, 'times');if (!day) return;let whereJoin = {JOIN_MEET_TIME_MARK: timeMark,JOIN_MEET_ID: meetId};let ret = await JoinModel.groupCount(whereJoin, 'JOIN_STATUS');let stat = { //统计数据succCnt: ret['JOIN_STATUS_1'] || 0, //1=预约成功,cancelCnt: ret['JOIN_STATUS_10'] || 0, //10=已取消, adminCancelCnt: ret['JOIN_STATUS_99'] || 0, //99=后台取消};let times = day.times;for (let j in times) {if (times[j].mark === timeMark) {let data = {['times.' + j + '.stat']: stat}await DayModel.edit(whereDay, data);return;}}}// 预约前检测async beforeJoin(userId, meetId, timeMark) {await this.checkMeetRules(userId, meetId, timeMark);}// 根据日期获取其所在天设置getDaySetByDay(meet, day) {for (let k = 0; k < meet.MEET_DAYS_SET.length; k++) {if (meet.MEET_DAYS_SET[k].day == day)return dataUtil.deepClone(meet.MEET_DAYS_SET[k]);}return null;}// 根据时段标识获取其所在天 getDayByTimeMark(timeMark) {return timeMark.substr(1, 4) + '-' + timeMark.substr(5, 2) + '-' + timeMark.substr(7, 2);}// 根据时段标识获取其所在天设置getDaySetByTimeMark(meet, timeMark) {let day = this.getDayByTimeMark(timeMark);for (let k = 0; k < meet.MEET_DAYS_SET.length; k++) {if (meet.MEET_DAYS_SET[k].day == day)return dataUtil.deepClone(meet.MEET_DAYS_SET[k]);}return null;}// 根据时段标识获取其所在时段设置getTimeSetByTimeMark(meet, timeMark) {let day = this.getDayByTimeMark(timeMark);for (let k = 0; k < meet.MEET_DAYS_SET.length; k++) {if (meet.MEET_DAYS_SET[k].day != day) continue;for (let j in meet.MEET_DAYS_SET[k].times) {if (meet.MEET_DAYS_SET[k].times[j].mark == timeMark)return dataUtil.deepClone(meet.MEET_DAYS_SET[k].times[j]);}}return null;}// 预约时段人数和状态控制校验async checkMeetTimeControll(meet, timeMark, meetPeopleCnt = 1) {if (!meet) this.AppError('预约时段设置错误, 预约项目不存在');let daySet = this.getDaySetByTimeMark(meet, timeMark); // 当天设置let timeSet = this.getTimeSetByTimeMark(meet, timeMark); // 预约时段设置if (!daySet || !timeSet) this.AppError('预约时段设置错误day&time');let statusDesc = timeSet.status == 1 ? '开启' : '关闭';let limitDesc = '';if (timeSet.isLimit) {limitDesc = '人数上限MAX=' + timeSet.limit;} elselimitDesc = '人数不限制NO';this._meetLog(meet, `------------------------------`);this._meetLog(meet, `#预约时段控制,预约日期=<${daySet.day}>`, `预约时段=[${timeSet.start}-${timeSet.end}],状态=${statusDesc}, ${limitDesc} 当前预约成功人数=${timeSet.stat.succCnt}`);if (timeSet.status == 0) this.AppError('该时段预约已经关闭，请选择其他');// 时段总人数限制if (timeSet.isLimit) {if (timeSet.stat.succCnt >= timeSet.limit) {this.AppError('该时段预约人员已满，请选择其他');}let maxCnt = timeSet.limit - timeSet.stat.succCnt;if (maxCnt < meetPeopleCnt) {this.AppError('本时段最多还可以预约' + (maxCnt) + '人，您当前提交了' + meetPeopleCnt + '人，请调整后再提交');}}}/** 报名规则校验 */async checkMeetRules(userId, meetId, timeMark, formsList = null) {// 预约时段是否存在let meetWhere = {_id: meetId};let day = this.getDayByTimeMark(timeMark);let meet = await this.getMeetOneDay(meetId, day, meetWhere);if (!meet) {this.AppError('预约时段选择错误，请重新选择');}// 预约时段人数和状态控制校验let meetPeopleCnt = formsList ? formsList.length : 1;await this.checkMeetTimeControll(meet, timeMark, meetPeopleCnt);// 截止规则  await this.checkMeetEndSet(meet, timeMark);// 针对用户的次数限制await this.checkMeetLimitSet(userId, meet, timeMark, meetPeopleCnt);}// 预约次数限制校验async checkMeetLimitSet(userId, meet, timeMark, nowCnt) {if (!meet) this.AppError('预约次数规则错误, 预约项目不存在');let meetId = meet._id;let daySet = this.getDaySetByTimeMark(meet, timeMark); // 当天设置let timeSet = this.getTimeSetByTimeMark(meet, timeMark); // 预约时段设置this._meetLog(meet, `------------------------------`);this._meetLog(meet, `#预约次数规则,预约日期=<${daySet.day}>`, `预约时段=[${timeSet.start}～${timeSet.end}]`);let where = {JOIN_MEET_ID: meetId,JOIN_MEET_TIME_MARK: timeMark,JOIN_USER_ID: userId,JOIN_STATUS: JoinModel.STATUS.SUCC}let cnt = await JoinModel.count(where);let maxCnt = projectConfig.MEET_MAX_JOIN_CNT;this._meetLog(meet, `预约次数规则,mode=本时段可预约${maxCnt}次`, `当前已预约=${cnt}次`);if (cnt >= maxCnt)this.AppError(`您本时段已经预约，不能继续预约`);}// 预约截止设置校验async checkMeetEndSet(meet, timeMark) {if (!meet) this.AppError('预约截止规则错误, 预约项目不存在');this._meetLog(meet, `------------------------------`);let daySet = this.getDaySetByTimeMark(meet, timeMark); // 当天设置let timeSet = this.getTimeSetByTimeMark(meet, timeMark); // 预约时段设置this._meetLog(meet, `#预约截止规则,预约日期=<${daySet.day}>`, `预约时段=[${timeSet.start}-${timeSet.end}]`);let nowTime = timeUtil.time('Y-M-D h:m:s');/*let startTime = daySet.day + ' ' + timeSet.start + ':00';this._meetLog(meet, `预约开始规则,mode=<时段过期判定>`, `预约开始时段=${startTime},当前时段=${nowTime}`);if (nowTime > startTime) {this.AppError('该时段已开始，无法预约，请选择其他');}*/let endTime = daySet.day + ' ' + timeSet.end + ':59';this._meetLog(meet, `预约开始规则,mode=<时段过期判定>`, `预约结束时段=${endTime},当前时段=${nowTime}`);if (nowTime > endTime) {this.AppError('该时段已结束，无法预约，请选择其他');}}/**  预约详情 */async viewMeet(meetId) {let fields = '*';let where = {_id: meetId,MEET_STATUS: ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]]}let meet = await MeetModel.getOne(where, fields);if (!meet) return null;let getDaysSet = [];meet.MEET_DAYS_SET = await this.getDaysSet(meetId, timeUtil.time('Y-M-D')); //今天及以后let daysSet = meet.MEET_DAYS_SET;let now = timeUtil.time('Y-M-D');for (let k = 0; k < daysSet.length; k++) {let dayNode = daysSet[k];if (dayNode.day < now) continue; // 排除过期let getTimes = [];for (let j in dayNode.times) {let timeNode = dayNode.times[j];// 排除状态关闭的时段if (timeNode.status != 1) continue;// 判断数量是否已满if (timeNode.isLimit && timeNode.stat.succCnt >= timeNode.limit)timeNode.error = '预约已满';// 截止规则if (!timeNode.error) {try {await this.checkMeetEndSet(meet, timeNode.mark);} catch (ex) {if (ex.name == 'AppError')timeNode.error = '预约结束';elsethrow ex;}}getTimes.push(timeNode);}dayNode.times = getTimes;getDaysSet.push(dayNode);}// 只返回需要的字段let ret = {};ret.MEET_DAYS_SET = getDaysSet;ret.MEET_QR = meet.MEET_QR;ret.MEET_TITLE = meet.MEET_TITLE;ret.MEET_CATE_NAME = meet.MEET_CATE_NAME;ret.MEET_OBJ = meet.MEET_OBJ;ret.MEET_UNIT_NAME = meet.MEET_UNIT_NAME;return ret;}/**  预约前获取关键信息 */async detailForJoin(userId, meetId, timeMark) {let fields = 'MEET_DAYS_SET,MEET_JOIN_FORMS, MEET_TITLE';let where = {_id: meetId,MEET_STATUS: ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]]}let day = this.getDayByTimeMark(timeMark);let meet = await this.getMeetOneDay(meetId, day, where, fields);if (!meet) return null;let dayDesc = timeUtil.fmtDateCHN(this.getDaySetByTimeMark(meet, timeMark).day);let timeSet = this.getTimeSetByTimeMark(meet, timeMark);let timeDesc = timeSet.start + '～' + timeSet.end;meet.dayDesc = dayDesc + ' ' + timeDesc;// 取出本人最近一次本时段填写表单let whereMy = {JOIN_USER_ID: userId,}let orderByMy = {JOIN_ADD_TIME: 'desc'}let joinMy = await JoinModel.getOne(whereMy, 'JOIN_FORMS', orderByMy);if (joinMy)meet.myForms = joinMy.JOIN_FORMS;elsemeet.myForms = [];return meet;}/** 按天获取预约项目 */async getMeetListByDay(unit, day) {let where = {'meet.MEET_STATUS': ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]],'day': day,DAY_UNIT_NAME: unit,};let orderBy = {'MEET_ORDER': 'asc','MEET_ADD_TIME': 'desc'};let fields = 'meet.MEET_UNIT_NAME,meet.MEET_ORDER,meet.MEET_ADD_TIME,meet.MEET_TITLE,meet.MEET_DAYS_SET,meet.MEET_OBJ.cover, DAY_MEET_ID, day, times';let joinParams = {from: MeetModel.CL,localField: 'DAY_MEET_ID',foreignField: '_id',as: 'meet',};let list = await DayModel.getListJoin(joinParams, where, fields, orderBy, 1, 100, false);list = list.list;let retList = [];for (let k = 0; k < list.length; k++) {let usefulTimes = [];for (let j in list[k].times) {if (list[k].times[j].status != 1) continue;usefulTimes.push(list[k].times[j]);}if (usefulTimes.length == 0) continue;let node = {};node.timeDesc = usefulTimes.length > 1 ? usefulTimes.length + '个时段' : usefulTimes[0].start;node.title = list[k].meet.MEET_TITLE;node.pic = list[k].meet.MEET_OBJ.cover;node._id = list[k].DAY_MEET_ID;retList.push(node);}return retList;}/** 获取从某天开始可预约的日期 */async getHasDaysFromDay(unit, day) {console.log(unit)let where = {DAY_UNIT_NAME: unit,day: ['>=', day],};let fields = 'DAY_UNIT_NAME,times,day';let list = await DayModel.getAllBig(where, fields);let retList = [];for (let k = 0; k < list.length; k++) {for (let n in list[k].times) {if (list[k].times[n].status == 1) {retList.push(list[k].day);break;}}} console.log(retList)return retList;}/** 取得预约分页列表 */async getMeetList({unit,search, // 搜索条件sortType, // 搜索菜单sortVal, // 搜索菜单orderBy, // 排序 cateId, //分类查询条件page,size,isTotal = true,oldTotal}) {orderBy = orderBy || {'MEET_ORDER': 'asc','MEET_ADD_TIME': 'desc'};let fields = 'MEET_UNIT_NAME,MEET_TITLE,MEET_OBJ,MEET_DAYS,MEET_CATE_NAME,MEET_CATE_ID';let where = {};where.and = {MEET_UNIT_NAME: unit,_pid: this.getProjectId() //复杂的查询在此处标注PID};if (cateId && cateId !== '0') where.and.MEET_CATE_ID = cateId;where.and.MEET_STATUS = ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]]; // 状态  if (util.isDefined(search) && search) {where.or = [{ MEET_TITLE: ['like', search] },];} else if (sortType && util.isDefined(sortVal)) {// 搜索菜单switch (sortType) {case 'sort': {orderBy = this.fmtOrderBySort(sortVal, 'NEWS_ADD_TIME');break;}case 'cateId': {if (sortVal) where.and.MEET_CATE_ID = String(sortVal);break;}}}let result = await MeetModel.getList(where, fields, orderBy, page, size, isTotal, oldTotal);return result;}/** 取消我的预约 只有成功可以取消 */async cancelMyJoin(userId, joinId) {let where = {JOIN_USER_ID: userId,_id: joinId,JOIN_IS_CHECKIN: 0, // 核销不能取消JOIN_STATUS: JoinModel.STATUS.SUCC};let join = await JoinModel.getOne(where);if (!join) {this.AppError('未找到可取消的预约记录');}// 取消规则判定let whereMeet = {_id: join.JOIN_MEET_ID,MEET_STATUS: ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]]}let meet = await this.getMeetOneDay(join.JOIN_MEET_ID, join.JOIN_MEET_DAY, whereMeet);if (!meet) this.AppError('预约项目不存在或者已关闭');let daySet = this.getDaySetByTimeMark(meet, join.JOIN_MEET_TIME_MARK);let timeSet = this.getTimeSetByTimeMark(meet, join.JOIN_MEET_TIME_MARK);if (!timeSet) this.AppError('被取消的时段不存在');if (meet.MEET_CANCEL_SET == 0)this.AppError('该预约不能取消');let startT = daySet.day + ' ' + timeSet.start + ':00';let startTime = timeUtil.time2Timestamp(startT);let now = timeUtil.time();if (meet.MEET_CANCEL_SET == 2 && now > startTime)this.AppError('该预约时段已经开始，无法取消');// TODO 已过期不能取消await JoinModel.del(where);// 统计this.statJoinCnt(join.JOIN_MEET_ID, join.JOIN_MEET_TIME_MARK);}/** 取得我的预约详情 */async getMyJoinDetail(userId, joinId) {let fields = 'JOIN_UNIT_NAME,JOIN_COMPLETE_END_TIME,JOIN_IS_CHECKIN,JOIN_CHECKIN_TIME,JOIN_REASON,JOIN_MEET_ID,JOIN_MEET_TITLE,JOIN_MEET_DAY,JOIN_MEET_TIME_START,JOIN_MEET_TIME_END,JOIN_STATUS,JOIN_ADD_TIME,JOIN_CODE,JOIN_FORMS';let where = {_id: joinId,JOIN_USER_ID: userId};return await JoinModel.getOne(where, fields);}/** 取得我的预约分页列表 */async getMyJoinList(userId, {search, // 搜索条件sortType, // 搜索菜单sortVal, // 搜索菜单orderBy, // 排序 page,size,isTotal = true,oldTotal}) {orderBy = orderBy || {//	'JOIN_MEET_DAY': 'desc',//	'JOIN_MEET_TIME_START': 'desc','JOIN_ADD_TIME': 'desc'};let fields = 'JOIN_UNIT_NAME,JOIN_COMPLETE_END_TIME,JOIN_IS_CHECKIN,JOIN_REASON,JOIN_MEET_ID,JOIN_MEET_TITLE,JOIN_MEET_DAY,JOIN_MEET_TIME_START,JOIN_MEET_TIME_END,JOIN_STATUS,JOIN_ADD_TIME,JOIN_OBJ';let where = {JOIN_USER_ID: userId};//where.MEET_STATUS = ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]]; // 状态  if (util.isDefined(search) && search) {where['JOIN_MEET_TITLE'] = {$regex: '.*' + search,$options: 'i'};} else if (sortType) {// 搜索菜单switch (sortType) {case 'cateId': {if (sortVal) where.JOIN_MEET_CATE_ID = String(sortVal);break;}case 'all': { //所有 break;}case 'use': { //可用未过期where.JOIN_STATUS = JoinModel.STATUS.SUCC;where.JOIN_COMPLETE_END_TIME = ['>=', timeUtil.time('Y-M-D h:m')];break;}case 'check': { //已核销where.JOIN_STATUS = JoinModel.STATUS.SUCC;where.JOIN_IS_CHECKIN = 1;break;}case 'timeout': { //已过期未核销where.JOIN_STATUS = JoinModel.STATUS.SUCC;where.JOIN_IS_CHECKIN = 0;where.JOIN_COMPLETE_END_TIME = ['<', timeUtil.time('Y-M-D h:m')];break;}case 'succ': { //预约成功where.JOIN_STATUS = JoinModel.STATUS.SUCC;//where.JOIN_MEET_DAY = ['>=', timeUtil.time('Y-M-D h:m')];//where.JOIN_MEET_TIME_START = ['>=', timeUtil.time('h:m')];break;}case 'cancel': { //已取消where.JOIN_STATUS = ['in', [JoinModel.STATUS.CANCEL, JoinModel.STATUS.ADMIN_CANCEL]];break;}}}let result = await JoinModel.getList(where, fields, orderBy, page, size, isTotal, oldTotal);return result;}/** 取得我的某日预约列表 */async getMyJoinSomeday(userId, day) {let fields = 'JOIN_IS_CHECKIN,JOIN_MEET_ID,JOIN_MEET_TITLE,JOIN_MEET_DAY,JOIN_MEET_TIME_START,JOIN_MEET_TIME_END,JOIN_STATUS,JOIN_ADD_TIME';let where = {JOIN_USER_ID: userId,JOIN_MEET_DAY: day};//where.MEET_STATUS = ['in', [MeetModel.STATUS.COMM, MeetModel.STATUS.OVER]]; // 状态  let orderBy = {'JOIN_MEET_TIME_START': 'asc','JOIN_ADD_TIME': 'desc'}return await JoinModel.getAll(where, fields, orderBy);}
}