コード例 #1
0
        public void MakeTransaction(TransactionArguments args)
        {
            try
            {
                ValidateTransaction(args);
                var     seller      = clientTableRepository.GetById(args.SellerId);
                var     buyer       = clientTableRepository.GetById(args.BuyerId);
                var     sellersItem = GetItemFromPortfolio(seller, args.SharesId);
                var     buyersItem  = GetItemFromPortfolio(buyer, args.SharesId);
                decimal sum         = sharesTableRepository.GetById(args.SharesId).Price *args.Quantity;
                seller.Balance       += sum;
                sellersItem.Quantity -= args.Quantity;
                buyer.Balance        -= sum;
                buyersItem.Quantity  += args.Quantity;

                clientTableRepository.Change(seller);
                clientTableRepository.Change(buyer);
                clientSharesTableRepository.Change(sellersItem);
                clientSharesTableRepository.Change(buyersItem);
                clientTableRepository.SaveChanges();
                clientSharesTableRepository.SaveChanges();
                WriteTransactionHistory(args, sum);
            }
            catch (Exception ex)
            {
                throw new Exception($"Transaction failed : {ex.Message}");
            }
        }
コード例 #2
0
        public int RegisterNewClient(ClientRegistrationInfo args)
        {
            var entityToAdd = (new ClientEntity()
            {
                RegistationDateTime = DateTime.Now,
                Name = args.Name,
                Phone = args.Phone,
                Balance = 0M
            });

            if (clientTableRepository.Contains(entityToAdd))
            {
                throw new ArgumentException("This client has been already registered");
            }
            clientTableRepository.Add(entityToAdd);
            clientTableRepository.SaveChanges();
            return(entityToAdd.Id);
        }
コード例 #3
0
        private void BuyPartOfTrasaction(TradeInfo tradeInfo)
        {
            decimal stockCost      = stockTableRepository.GetCost(tradeInfo.Stock_ID);
            int     customerStocks = stockClientTableRepository.GetAmount(tradeInfo.Customer_ID, tradeInfo.Stock_ID);

            decimal customerMoney = clientTableRepository.GetBalance(tradeInfo.Customer_ID);

            decimal transactionPrice   = stockCost * tradeInfo.Amount;
            decimal newCustomerBalance = customerMoney - transactionPrice;

            int newCustomerStockAmount = customerStocks + tradeInfo.Amount;

            clientTableRepository.UpdateBalance(tradeInfo.Customer_ID, newCustomerBalance);

            editCleintStockService.Edit(new EditStockOfClientInfo
            {
                Client_ID      = tradeInfo.Customer_ID,
                Stock_ID       = tradeInfo.Stock_ID,
                AmountOfStocks = newCustomerStockAmount
            });
            clientTableRepository.SaveChanges();
        }