main funcions fixes

backend/public/demo.js

@@ -800,4 +800,61 @@ function showAlert(type, message) {
             document.body.removeChild(alert);
         }
     }, 5000);
-}
+}
+
+// === ОПЕРАТОР: Веб-камера и WebRTC ===
+function showOperatorWebcamButton() {
+    const btn = document.getElementById('startOperatorWebcam');
+    if (btn) btn.style.display = '';
+}
+function hideOperatorWebcamButton() {
+    const btn = document.getElementById('startOperatorWebcam');
+    if (btn) btn.style.display = 'none';
+}
+function startOperatorWebcam() {
+    navigator.mediaDevices.getUserMedia({ video: true, audio: false })
+        .then(stream => {
+            operatorWebcamStream = stream;
+            const video = document.getElementById('operatorWebcam');
+            if (video) {
+                video.srcObject = stream;
+                video.style.display = '';
+            }
+            startOperatorWebRTC(stream);
+        })
+        .catch(err => {
+            showAlert('danger', 'Ошибка доступа к веб-камере: ' + err);
+        });
+}
+function startOperatorWebRTC(stream) {
+    operatorWebcamPeer = new RTCPeerConnection(rtcConfig);
+    stream.getTracks().forEach(track => operatorWebcamPeer.addTrack(track, stream));
+    operatorWebcamPeer.onicecandidate = e => {
+        if (e.candidate) {
+            socket.emit('webrtc:ice-candidate', { candidate: e.candidate });
+        }
+    };
+    operatorWebcamPeer.createOffer().then(offer => {
+        return operatorWebcamPeer.setLocalDescription(offer);
+    }).then(() => {
+        socket.emit('webrtc:offer', { offer: operatorWebcamPeer.localDescription });
+    });
+}
+socket.on('webrtc:answer', data => {
+    if (operatorWebcamPeer) {
+        operatorWebcamPeer.setRemoteDescription(new RTCSessionDescription(data.answer));
+    }
+});
+socket.on('webrtc:ice-candidate', data => {
+    if (operatorWebcamPeer && data.candidate) {
+        operatorWebcamPeer.addIceCandidate(new RTCIceCandidate(data.candidate));
+    }
+});
+// Показывать кнопку веб-камеры при принятии сессии
+socket.on('camera:response', data => {
+    if (data.accepted) {
+        showOperatorWebcamButton();
+    } else {
+        hideOperatorWebcamButton();
+    }
+});