public IResult Handle(AddComplaintCommand command)
        {
            int clientId = SessionRepository.GetClientIdOfSession(command.sessionToken);

            if (clientId == -1)
            {
                throw new Exception();
            }

            var order = DatabaseQueryProcessor.GetOrder(command.orderId);

            if (order == null)
            {
                throw new Exception();
            }

            if (order.clientId != clientId)
            {
                throw new Exception();
            }

            var foundComplaint = DatabaseQueryProcessor.GetComplaint(order.orderId);

            if (foundComplaint != null)
            {
                throw new Exception();
            }

            DatabaseQueryProcessor.CreateNewComplaint(
                command.orderId,
                0,
                command.description,
                DateTime.Now.ToString("yyyy-MM-dd"),
                false
                );

            return(new SuccessInfoDto()
            {
                isSuccess = true
            });
        }