public override void Handle(IBulkSpotCreatedOrUpdated command)
        {
            ValidateBookingPositions(command);

            var salesAreaDictionary = _salesAreaRepository.GetAll().ToDictionary(x => x.Name, x => x.CustomId);

            var spotEntities = _mapper.Map <List <SpotDbObject> >(command.Data);

            spotEntities.ForEach(s =>
            {
                s.Uid = Guid.NewGuid();
                var salesAreaCustomId = salesAreaDictionary[s.SalesArea];
                s.ExternalBreakNo     = s.ExternalBreakNo.GenerateBreakExternalRef(salesAreaCustomId, s.StartDateTime);
            });

            _spotRepository.InsertOrReplace(spotEntities);
            _spotRepository.SaveChanges();
        }