protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            await Task.Delay(5000, stoppingToken);

            while (!stoppingToken.IsCancellationRequested)
            {
                if (ScannerServiceState.IsScanned)
                {
                    var limitOptionRequests = (await limitOptionRequestGenericRepository.GetAllAsync()).Where(x => x.InProgress && !x.IsDeleted).ToList();
                    var marketItems         = (await genericMarketItemRepository.GetAllAsync()).Where(x => x.InProgress && !x.IsDeleted).ToList();
                    foreach (var marketItem in marketItems)
                    {
                        var requests = limitOptionRequests.Where(x => x.ProductId == marketItem.ProductId && x.UnitPrice == marketItem.UnitPrice).OrderBy(x => x.CreatedTime).ToList();
                        foreach (var request in requests)
                        {
                            if (!marketItem.InProgress)
                            {
                                break;
                            }
                            request.Wallet = await walletGenericRepository.GetByIdAsync(request.WalletId);

                            double satinalinabilecekitemsayisi = request.Wallet.Money / (marketItem.UnitPrice * (1 + ComissionRate));
                            double satinalinacaksayisi         = 0;
                            if (request.Amount <= satinalinabilecekitemsayisi)
                            {
                                if (request.Amount >= marketItem.Amount)
                                {
                                    satinalinacaksayisi = marketItem.Amount;
                                }
                                else
                                {
                                    satinalinacaksayisi = request.Amount;
                                }
                            }
                            else
                            {
                                satinalinacaksayisi = satinalinabilecekitemsayisi;
                            }


                            //Limit islemina aktarilan para ve adet sistemi guncellendi
                            request.Money       -= satinalinacaksayisi * (marketItem.UnitPrice * (1 + ComissionRate));
                            request.Amount      -= satinalinacaksayisi;
                            request.UpdateUserId = Guid.Parse(UserStringInfo.SystemUserId);
                            if (request.Amount == 0)
                            {
                                request.InProgress = false;
                            }
                            await limitOptionRequestGenericRepository.UpdateAsync(request);

                            await limitOptionRequestGenericRepository.Commit();

                            //satan kullaniciya parayi ver
                            WalletUpdateDto sellerWallet = await genericWalletService.GetByIdAsync <WalletUpdateDto>(marketItem.WalletId);

                            sellerWallet.Money       += satinalinacaksayisi * marketItem.UnitPrice;
                            sellerWallet.UpdateUserId = Guid.Parse(UserStringInfo.SystemUserId);
                            await genericWalletService.UpdateAsync(sellerWallet);

                            //Accounting UPDATE
                            WalletUpdateDto accountingWallet = await genericWalletService.GetByIdAsync <WalletUpdateDto>(AccountingState.AccountingWalletId);

                            accountingWallet.Money       += satinalinacaksayisi * marketItem.UnitPrice * ComissionRate;
                            accountingWallet.UpdateUserId = Guid.Parse(UserStringInfo.SystemUserId);
                            await genericWalletService.UpdateAsync(accountingWallet);

                            await genericWalletService.Commit();

                            //kullanicinin hesabindaki urun adedini guncelle
                            var productItem = await productItemService.GetAsync(request.WalletId, request.ProductId);

                            productItem.Amount      += satinalinacaksayisi;
                            productItem.UpdateUserId = Guid.Parse(UserStringInfo.SystemUserId);
                            await genericProductItemRepository.UpdateAsync(productItem);

                            await genericProductItemRepository.Commit();

                            //marketItem urun adedini guncelle
                            marketItem.Amount -= satinalinacaksayisi;
                            if (marketItem.Amount == 0)
                            {
                                marketItem.InProgress = false;
                            }
                            MarketItemUpdateDto marketItemUpdateDto = mapper.Map <MarketItemUpdateDto>(marketItem);
                            marketItemUpdateDto.UpdateUserId = Guid.Parse(UserStringInfo.SystemUserId);
                            await genericMarketItemService.UpdateAsync(marketItemUpdateDto);

                            await genericMarketItemService.Commit();

                            //islem gecmisi olustur
                            TransactionCreateDto transaction = new()
                            {
                                Amount         = satinalinacaksayisi,
                                CreatedUserId  = Guid.Parse(UserStringInfo.SystemUserId),
                                ProductId      = request.ProductId,
                                UnitPrice      = marketItem.UnitPrice,
                                WalletIdBuyer  = request.WalletId,
                                WalletIdSeller = sellerWallet.Id
                            };
                            await genericTransactionService.AddAsync(transaction);

                            await genericTransactionService.Commit();

                            genericTransactionService.BeginTransaction();
                            genericMarketItemService.BeginTransaction();
                            genericProductItemRepository.BeginTransaction();
                            genericWalletService.BeginTransaction();
                            limitOptionRequestGenericRepository.BeginTransaction();
                        }
                    }
                    ScannerServiceState.IsScanned = false;
                }
            }
        }
    }