-socket

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 })
+      }
+  }
+}