public void StartTrading()
        {
            Random random   = new Random();
            var    seller   = usersService.GetSeller(random.Next(1, userRepo.Count()));
            var    customer = usersService.GetCustomer(random.Next(1, userRepo.Count()), seller.Id);

            if (seller == null || customer == null) //тут проблема что исключение обрабатывается в прокси, а сам прокси в таком случае кидает null, знаю что костыль
            {
                return;
            }

            var     sellerPortfolioForTrade = seller.UsersShares.ToList()[random.Next(0, seller.UsersShares.Count())];
            var     amountSharesForTrade    = random.Next(1, sellerPortfolioForTrade.Amount / 5);
            var     shareForTrade           = sellerPortfolioForTrade.Share;
            decimal CostOfTransaction       = amountSharesForTrade * shareForTrade.Price;

            usersService.ChangeUserBalance(seller.Id, CostOfTransaction);
            usersService.ChangeUserBalance(customer.Id, CostOfTransaction * -1);

            PortfolioEntity customerPortfolio;

            if ((customerPortfolio = customer.UsersShares.Where(us => us.ShareId == shareForTrade.Id).FirstOrDefault()) == null)
            {
                PortfolioInfo customerPortfolioToAdd = new PortfolioInfo()
                {
                    UserId  = customer.Id,
                    ShareId = shareForTrade.Id,
                    Amount  = amountSharesForTrade
                };
                portfolioService.AddNewUsersShares(customerPortfolioToAdd);
            }
            else
            {
                portfolioService.ChangeAmountOfShares(customerPortfolio, amountSharesForTrade);
            }
            portfolioService.ChangeAmountOfShares(sellerPortfolioForTrade, amountSharesForTrade * -1);

            TransactionStoryInfo transactionOperation = new TransactionStoryInfo()
            {
                customerId      = customer.Id,
                sellerId        = seller.Id,
                shareId         = shareForTrade.Id,
                Share           = shareForTrade,
                AmountOfShares  = amountSharesForTrade,
                DateTime        = DateTime.Now,
                TransactionCost = CostOfTransaction
            };

            transaction.AddNewTransaction(transactionOperation);
        }
Beispiel #2
0
        public UserEntity GetSeller(int userId)
        {
            if (repo.Count() == 0)
            {
                throw new ArgumentException("Нет зарегестрированных пользователей");
            }
            UserEntity seller = repo.GetUserById(userId);

            if (seller == null)
            {
                throw new ArgumentException($"Нет пользователя с ID {userId}");
            }
            else if (seller.UsersShares == null)
            {
                throw new ArgumentException($"{seller.SurName} {seller.Name} не имеет акций для продажи");
            }
            return(seller);
        }