added seperate users for backend events

api/utils.py

@@ -0,0 +1,28 @@
+import jwt
+from flask import request, current_app, jsonify
+
+from events.sse import send_event_to_user
+
+
+def sanitize_email(email):
+    return email.replace('@', '_at_').replace('.', '_dot_')
+
+def get_current_user_id():
+    token = request.cookies.get('token')
+    if not token:
+        return None
+    try:
+        payload = jwt.decode(token, current_app.config['SECRET_KEY'], algorithms=['HS256'])
+        email = payload.get('email')
+        if not email:
+            return None
+        return sanitize_email(email)
+    except jwt.InvalidTokenError:
+        return None
+
+def send_event_for_current_user(event):
+    user_id = get_current_user_id()
+    if not user_id:
+        return jsonify({'error': 'Unauthorized'}), 401
+    send_event_to_user(user_id, event)
+    return None