-socket

exthernal-ttc-api/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "exthernal-mobile-api",
+  "name": "exthernal-ttc-api",
   "version": "1.0.0",
-  "description": "External Mobile API following Nuttakit Controller Pattern vFinal",
+  "description": "External TTC API following Nuttakit Controller Pattern vFinal",
   "type": "module",
   "main": "src/app.js",
   "scripts": {

exthernal-ttc-api/src/app.js

@@ -1,8 +1,11 @@
 import express from 'express'
 import cors from 'cors'
 import dotenv from 'dotenv'
+import { createServer } from 'http' // ✅ เพิ่ม
+import { Server } from 'socket.io'  // ✅ เพิ่ม
 import router from './routes/route.js'
 import { globalResponseHandler } from './middlewares/responseHandler.js'
+import { SocketManager } from './socket/socketManager.js' // ✅ เพิ่ม Class ที่เราจะสร้าง
 
 dotenv.config()
 
@@ -27,6 +30,20 @@ app.use((err, req, res, next) => {
 
 app.use('/api/ttc', router)
 
-app.listen(process.env.PORT, () => {
-  console.log(`✅ ${process.env.PJ_NAME} running on port ${process.env.PORT}`)
+// ✅ เปลี่ยนการ Listen เป็น HTTP Server + Socket
+const httpServer = createServer(app)
+const io = new Server(httpServer, {
+  cors: {
+    origin: "*", // ปรับตามความเหมาะสม
+    methods: ["GET", "POST"]
+  }
 })
+
+// ✅ เรียกใช้ Socket Manager ตาม Pattern
+const socketManager = new SocketManager(io)
+socketManager.initialize()
+
+const PORT = process.env.PORT || 3000
+httpServer.listen(PORT, () => {
+  console.log(`✅ ${process.env.PJ_NAME} running on port ${PORT} with WebSocket`)
+})

exthernal-ttc-api/src/controllers/socketController.js

@@ -0,0 +1,118 @@
+import { SocketService } from '../services/socketService.js'
+import { GeneralService } from '../share/generalservice.js'
+import { Interface } from '../interfaces/Interface.js'
+// import { sendError } from '../utils/response.js' // Socket ส่ง error กลับคนละแบบ แต่ import ไว้ได้
+
+export class SocketController {
+
+  constructor() {
+    this.generalService = new GeneralService()
+    this.socketService = new SocketService()
+    this.Interface = new Interface()
+  }
+
+  // =========================================================
+  //  FEATURE: NOTIFICATION
+  // =========================================================
+  async onSendNotification(io, socket, data) {
+    this.generalService.devhint(1, 'socketController.js', 'onSendNotification() start')
+    let idx = -1
+    let database = socket.organization
+    
+    try {
+      // Data: { targetUserId, title, message, type }
+      const { targetUserId, title, message, type } = data
+      
+      // 1. บันทึกลง Database (ใช้ Interface Pattern ถ้ามี Table รองรับ เช่น 'notimst')
+      // สมมติว่ามีตาราง notimst
+      /*
+      let arysave = {
+        methods: 'post',
+        notusrseq: targetUserId,
+        nottitle: title,
+        notmsg: message,
+        notread: 'N',
+        notdtm: this.socketService.getCurrentDTM() // function ใน service
+      }
+      // await this.Interface.saveInterface('notimst', arysave, { headers: { authorization: ... } }) 
+      // *หมายเหตุ: Interface.js ต้องการ req.headers ซึ่ง socket ไม่มี ต้อง Mock หรือแก้ Interface
+      */
+     
+      // หรือเรียก Service ตรงๆ เพื่อบันทึก
+      await this.socketService.saveNotificationLog(database, socket.user.id, targetUserId, title, message)
+
+      // 2. ส่ง Realtime หา Target
+      io.to(targetUserId.toString()).emit('receive_notification', {
+        from: socket.user.usrnam,
+        title,
+        message,
+        type,
+        timestamp: new Date()
+      })
+
+      this.generalService.devhint(2, 'socketController.js', `Sent notify to ${targetUserId}`)
+
+    } catch (error) {
+      idx = 1
+      console.error(error)
+    } finally {
+      if (idx === 1) {
+        socket.emit('error', { message: 'Failed to send notification' })
+      }
+    }
+  }
+
+  // =========================================================
+  // FEATURE: VOIP (WebRTC Signaling)
+  // =========================================================
+  
+  // A โทรหา B
+  async onCallUser(io, socket, data) {
+    this.generalService.devhint(1, 'socketController.js', 'onCallUser() start')
+    let idx = -1
+    try {
+      const { userToCall, signalData } = data
+      
+      // ส่ง Event 'call_incoming' ไปหาห้องของ userToCall
+      io.to(userToCall.toString()).emit('call_incoming', {
+        signal: signalData,
+        from: socket.user.id,
+        fromName: socket.user.usrnam
+      })
+      
+    } catch (error) {
+      idx = 1
+    } finally {
+      if (idx === 1) socket.emit('error', { message: 'Call failed' })
+    }
+  }
+
+  // B รับสาย A
+  async onAnswerCall(io, socket, data) {
+    this.generalService.devhint(1, 'socketController.js', 'onAnswerCall() start')
+    try {
+      const { to, signal } = data
+      io.to(to.toString()).emit('call_accepted', { signal })
+    } catch (error) {
+        console.error('VoIP Error:', error)
+    }
+  }
+
+  // แลกเปลี่ยน Network Info (ICE Candidate)
+  async onIceCandidate(io, socket, data) {
+    try {
+      const { targetUserId, candidate } = data
+      io.to(targetUserId.toString()).emit('receive_ice_candidate', { candidate })
+    } catch (error) {
+        // silent fail for ICE
+    }
+  }
+
+  // วางสาย
+  async onEndCall(io, socket, data) {
+      const { targetUserId } = data
+      if(targetUserId) {
+          io.to(targetUserId.toString()).emit('call_ended', { from: socket.user.id })
+      }
+  }
+}

exthernal-ttc-api/src/services/socketService.js

@@ -0,0 +1,32 @@
+import { GeneralService } from '../share/generalservice.js'
+import { getDTM } from '../utils/date.js'
+
+export class SocketService {
+
+  constructor() {
+    this.generalService = new GeneralService()
+  }
+
+  getCurrentDTM() {
+    return getDTM()
+  }
+
+  // ตัวอย่างฟังก์ชันบันทึก Notification
+  async saveNotificationLog(database, fromUserSeq, toUserSeq, title, msg) {
+    // สมมติว่ามีตาราง comhtr
+    // ตรวจสอบก่อนว่ามีตารางไหม หรือข้ามไปถ้ายังไม่ได้สร้าง
+    /*
+    const sql = `
+      INSERT INTO ${database}.comhtr
+      (from_seq, to_seq, title, message, created_dtm)
+      VALUES ($1, $2, $3, $4, $5)
+    `
+    const params = [fromUserSeq, toUserSeq, title, msg, getDTM()]
+    await this.generalService.executeQueryParam(database, sql, params)
+    */
+    
+    // Demo: แค่ Log ไว้ก่อน
+    this.generalService.devhint(2, 'SocketService', `Saving Log DB: [${database}] From ${fromUserSeq} to ${toUserSeq}`)
+    return true
+  }
+}

exthernal-ttc-api/src/socket/socketManager.js

@@ -0,0 +1,80 @@
+import { verifyToken } from '../utils/token.js'
+import { SocketController } from '../controllers/socketController.js'
+import { GeneralService } from '../share/generalservice.js'
+import redis from '../utils/redis.js' // ใช้ Redis ที่มีเก็บ Session
+
+export class SocketManager {
+  constructor(io) {
+    this.io = io
+    this.generalService = new GeneralService()
+    this.socketController = new SocketController()
+  }
+
+  initialize() {
+    this.generalService.devhint(1, 'SocketManager.js', 'Initializing Socket.io')
+
+    // Middleware: Authentication (เช็ค Token ก่อน Connect)
+    this.io.use(async (socket, next) => {
+      try {
+        const token = socket.handshake.auth.token || socket.handshake.headers.token
+        if (!token) return next(new Error('Authentication error'))
+        
+        const decoded = verifyToken(token)
+        if (!decoded) return next(new Error('Invalid Token'))
+
+        // เก็บข้อมูล User เข้า Socket Session
+        socket.user = decoded
+        socket.organization = decoded.organization // ใช้สำหรับ Schema
+        next()
+      } catch (err) {
+        next(new Error('Authentication failed'))
+      }
+    })
+
+    this.io.on('connection', async (socket) => {
+      this.generalService.devhint(1, 'SocketManager.js', `User Connected: ${socket.user.usrnam}`)
+      
+      //  1. Save User Session to Redis (Pattern การเก็บ state)
+      // key: "online:user_id", value: socket_id
+      await redis.set(`online:${socket.user.id}`, socket.id)
+      
+      // Join Room ส่วนตัว (ตาม User ID)
+      socket.join(socket.user.id.toString())
+
+      // ==========================================
+      //  Event Handlers (เรียก Controller Pattern)
+      // ==========================================
+
+      // 1. Send Notification (User ส่งหา User)
+      socket.on('send_notification', async (data) => {
+        await this.socketController.onSendNotification(this.io, socket, data)
+      })
+
+      // 2. VoIP: Call Request
+      socket.on('call_user', async (data) => {
+        await this.socketController.onCallUser(this.io, socket, data)
+      })
+
+      // 3. VoIP: Answer Call
+      socket.on('answer_call', async (data) => {
+        await this.socketController.onAnswerCall(this.io, socket, data)
+      })
+
+      // 4. VoIP: ICE Candidate (Network info)
+      socket.on('ice_candidate', async (data) => {
+        await this.socketController.onIceCandidate(this.io, socket, data)
+      })
+      
+      // 5. VoIP: End Call
+      socket.on('end_call', async (data) => {
+        await this.socketController.onEndCall(this.io, socket, data)
+      })
+
+      // Disconnect
+      socket.on('disconnect', async () => {
+        this.generalService.devhint(1, 'SocketManager.js', `User Disconnected: ${socket.user.usrnam}`)
+        await redis.del(`online:${socket.user.id}`)
+      })
+    })
+  }
+}