no message

@@ -2,6 +2,7 @@
  var status = require('../util/resTemplate') 
  var studentMeetingService = require('../services/studentMeetingService')
 var uuid = require('../util/UuidUtil')
+const moment = require('moment')
 var emailUtil = require('../util/emailUtil')
 
 
@@ -24,6 +25,7 @@ studentMeetingController.prototype.addStudentMeeting = async(ctx, next)=>{
         var id32 = await uuid.db32();
         body.id = id32;
         body.status = 0;
+        body.createTime = moment(new Date()).format("YYYY-MM-DD HH:MM:SS ");
         let studentMeetings= await studentMeetingService.addStudentMeeting(body); 
         return studentMeetings;       
     } catch (error) {

@@ -25,6 +25,11 @@ var  studentMeeting = sequelize.define('3m_student_meeting', {
         allowNull: false,        
         type:Sequelize.STRING(32),
         field: "status"
+    },
+    createTime: {
+        allowNull: false,        
+        type:Sequelize.STRING(32),
+        field: "create_time"
     }
 },{
     timestamps: false,

 var sutudentMeeting =  require('../model/studentMeetingModel');
+var userModel =  require('../model/userModel');
 var status = require('../util/resTemplate');
 var saitMd5 = require('../util/saltMD5');
 var  sequelize = require('../config');
@@ -13,7 +14,17 @@ function sutudentMeetingService(){
 
 sutudentMeetingService.prototype.addStudentMeeting = async(body)=>{
     try {
-        var t = await sequelize.transaction({  autocommit: true })                
+        var t = await sequelize.transaction({  autocommit: true })     
+        let user = await userModel.findOne({where:{id:body.studentId}}); 
+        if(!user){
+            t.rollback();            
+            return {code:300,msg:'用户不存在'}            
+        } 
+        let oldSutudentMeeting = await sutudentMeeting.findOne({where:{studentId:body.studentId,meetingId:body.meetingId}}); 
+        if(oldSutudentMeeting){
+            t.rollback();            
+            return {code:300,msg:'您已预约这堂课',data:oldSutudentMeeting}            
+        } 
         let Meeting = await meetingModel.findOne({where:{id:body.meetingId}}); 
         if(!Meeting){
             t.rollback();