update endopoints

backend/rooms.py

@@ -280,17 +280,22 @@ def change_room_name(room_id, new_name, user_id):
         "updated_by": user_id
     }
 
-def regenerate_invite_code(room_id, new_code):
+import secrets
+import string
+
+def regenerate_invite_code(room_id):
+    new_code = ''.join(
+        secrets.choice(string.ascii_uppercase + string.digits)
+        for _ in range(8)
+    )
+
     execute(
         """
         UPDATE rooms
         SET invite_code = ?
         WHERE id = ?
         """,
-        (
-            new_code,
-            room_id
-        )
+        (new_code, room_id)
     )
 
     return {