public string NewRoom(string roomName) { if (string.IsNullOrEmpty(roomName)) { Response.StatusCode = (int)HttpStatusCode.BadRequest; return("Room name is required."); } if (RoomExists(roomName)) { Response.StatusCode = (int)HttpStatusCode.BadRequest; return("This name already exists."); } chatRoomLogic.Add(roomName, GetLoginName()); Response.StatusCode = (int)HttpStatusCode.OK; return("OK"); }