public async Task <bool> IsAuthorized(string gatewayId, string empRef)
        {
            if (string.IsNullOrWhiteSpace(gatewayId) || string.IsNullOrWhiteSpace(empRef))
            {
                return(false);
            }

            var gatewayUsers = await _gatewayRepository.GetGatewayRecordsForId(gatewayId);

            return(gatewayUsers.Any(u => u.EmpRef == empRef));
        }