Create webrtc connexion between two player

front/src/WebRtc/WebRtcEventManager.ts

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+import {ConnexionInterface} from "../Connexion";
+import {PeerConnexionManager} from "./PeerConnexionManager";
+
+export class WebRtcEventManager {
+    Connexion: ConnexionInterface;
+    PeerConnexionManager: PeerConnexionManager;
+    RoomId : string;
+
+    constructor(Connexion : ConnexionInterface, roomId : string = "test-webrtc") {
+        this.RoomId = roomId;
+        this.Connexion = Connexion;
+        this.PeerConnexionManager = new PeerConnexionManager(this);
+
+        this.start();
+        this.eventVideoOffer();
+        this.eventVideoAnswer();
+        this.eventIceCandidate();
+
+        //connect on the room to create a meet
+        Connexion.socket.emit('webrtc-room', JSON.stringify({roomId: roomId}));
+    }
+
+    /**
+     * server has two person connected, start the meet
+     */
+    start(){
+        this.Connexion.socket.on('webrtc-start', () => {
+            return this.PeerConnexionManager.createPeerConnection();
+        });
+    }
+
+    /**
+     * Receive video offer
+     */
+    eventVideoOffer() {
+        this.Connexion.socket.on("video-offer", (message : any) => {
+            let data = JSON.parse(message);
+            console.info("video-offer", data);
+            this.PeerConnexionManager.createPeerConnection(data).then(() => {
+                return this.PeerConnexionManager.createAnswer();
+            });
+        });
+    }
+
+    /**
+     * Receive video answer
+     */
+    eventVideoAnswer() {
+        this.Connexion.socket.on("video-answer", (message : any) => {
+            let data = JSON.parse(message);
+            console.info("video-answer", data);
+            this.PeerConnexionManager.setRemoteDescription(data)
+                .catch((err) => {
+                    console.error("video-answer => setRemoteDescription", err)
+                })
+        });
+    }
+
+    /**
+     * Receive ice candidate
+     */
+    eventIceCandidate() {
+        this.Connexion.socket.on("ice-candidate", (message : any) => {
+            let data = JSON.parse(message);
+            console.info("ice-candidate", data);
+            this.PeerConnexionManager.addIceCandidate(data).then(() => {
+                console.log(`ICE candidate:\n${data.message ? data.message.candidate : '(null)'}`);
+            });
+        });
+    }
+
+    emitIceCandidate(message : any){
+        message.roomId = this.RoomId;
+        this.Connexion.socket.emit('ice-candidate', JSON.stringify(message));
+    }
+
+    emitVideoOffer(message : any){
+        message.roomId = this.RoomId;
+        this.Connexion.socket.emit('video-offer', JSON.stringify(message));
+    }
+
+    emitVideoAnswer(message : any){
+        message.roomId = this.RoomId;
+        this.Connexion.socket.emit("video-answer", JSON.stringify(message));
+    }
+}