Implement API for user register, login and logout

+package-lock.json
+/node_modules/
\ No newline at end of file

+const { json } = require('express/lib/response');
 const mongoose = require('mongoose');
 const mongoose = require('mongoose');
 
 
 const userSchema = new mongoose.Schema({
 const userSchema = new mongoose.Schema({
     name : {type : String, required : true, unique : true, },
     name : {type : String, required : true, unique : true, },
     password : {type : String, required : true, trim : true},
     password : {type : String, required : true, trim : true},
+    total_squart : {type : Number, default : 0},
+    today_squart : {type : Number, default : 0},
+
 });
 });
 
 
+userSchema.methods.passwordCheck = function(password, cb) {
+    if (password === this.password) 
+        cb(null, isMatch);
+}
+
+
+
+const User = mongoose.model('squartuser', userSchema )
+module.exports = {User};
 
 
-module.exports = mongoose.model('squartuser', userSchema )
 
 

@@ -15,6 +15,8 @@
   "license": "ISC",
   "license": "ISC",
   "dependencies": {
   "dependencies": {
     "express": "^4.18.1",
     "express": "^4.18.1",
-    "mongoose": "^6.3.4"
+    "express-session": "^1.17.3",
+    "mongoose": "^6.3.4",
+    "mongoose-session": "0.0.4"
   }
   }
 }
 }

 const express = require('express');
 const express = require('express');
+
+
 const app = express();
 const app = express();
+
+
 const port = 3000
 const port = 3000
 
 
+
 app.get('/', (req,res) => {
 app.get('/', (req,res) => {
     res.send("Hello World")
     res.send("Hello World")
 })
 })
@@ -9,3 +14,102 @@ app.get('/', (req,res) => {
 app.listen(port, () => {
 app.listen(port, () => {
     console.log(`Listening on ${port} port`);
     console.log(`Listening on ${port} port`);
 })
 })
+
+// model/user.js
+const { User } = require('./model/User');
+const mongoose = require('mongoose');
+// db 연결을 위한 키 값 , 보안을 위해 최종 마스터 브런치에는 포함하지 않을 예정. 
+mongoose.connect('mongodb+srv://kongtae:ksas9825!%40@squartusers.e2ddc.mongodb.net/?retryWrites=true&w=majority')
+.then(() => console.log('MongoDB connect!'))
+.catch(err => console.log(err))
+
+// 유저 등록 및 로그인 API
+
+// 로그인 세션 : 로그인 정보 유지.
+const express_session = require('express-session')
+app.use(express_session({
+    secret : "@secret@number", // 암호화 키
+    resave : false,
+    saveUninitialized : false,
+    store:require('mongoose-session')(mongoose),
+    cookie : {maxAge :  6*24}
+}))
+
+
+// 등록 .
+app.use(express.json())
+app.post('/api/users/register', (req,res) => {
+    const new_user = new User(req.body);
+    new_user.save((err, userInfo) => {
+        if (err) return res.json({ successs : false, err})
+        return res.status(200).json({
+            success : true
+        })
+    })
+})
+
+// 로그인 .
+app.post('/api/users/login', (req ,res) => {
+    User.findOne({name : req.body.name}, (err, user) => {
+        if (!user) {
+            return res.json({
+                loginSuccess: false,
+                message : "이름이 일치하는 사용자가 없습니다 !"
+            })
+        }
+        else if (req.body.password === user.password) {
+            req.session.user = {
+                user_name : req.body.name,
+                user_password : req.body.password,
+            }
+            console.log(req.session.user)
+            return res.json({
+                loginSuccess : true,
+            })
+        }
+        else {
+            return res.json({
+                loginSuccess : false,
+                message : "비밀번호가 일치하지 않습니다 !"
+            })
+        }
+    })
+})
+
+// 로그아웃
+app.get('/api/users/logout', (req,res) => {
+    var session = req.session
+    if (session.user)
+    {
+        req.session.destroy(err => {
+            if (err) {
+                console.log(err)
+                return res.json({
+                    logoutSuccess : false
+                })
+            }
+            else
+            {
+                console.log('로그아웃 완료')
+                return res.json({
+                    logoutSuccess : true
+                })
+            }
+        })
+        // res.redirect('/');
+    }
+    else
+    {    
+        console.log('로그인이 되어있지 않습니다.')
+        return res.json({
+            logoutSuccess : true,
+        })
+    }
+        
+})
+
+// 세션 저장 확인
+app.get('/api/session', (req,res) => {
+    console.log(req.session.user)
+    return res.json({session :req.session})
+})