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);
}
public void AddShareInPortfolio(TransactionStoryInfo args)
{
var customer = usersService.GetUserById(args.customerId);
var seller = usersService.GetUserById(args.sellerId);
if (seller == null || customer == null) //тут залогировано все в прокси, но сами прокси возращают null
{
throw new ArgumentException("ОШИБКА ТРАНЗАКЦИИ: Неверный клиенты");
}
if (seller.UsersShares.Where(us => us.ShareId == args.shareId).FirstOrDefault() == null)
{
throw new ArgumentException($"ОШИБКА ТРАНЗАКЦИИ: Акция с id {args.shareId} не существует");
}
var customerPortfolio = customer.UsersShares.Where(us => us.ShareId == args.shareId).FirstOrDefault();
try
{
portfolio.ChangeAmountOfShares(seller.UsersShares.Where(us => us.ShareId == args.shareId).FirstOrDefault(), args.AmountOfShares * -1);
}
catch (ArgumentException ex) { throw ex; }
if (customerPortfolio == null)
{
portfolio.AddNewUsersShares(new PortfolioInfo()
{
UserId = args.customerId, ShareId = args.shareId, Amount = args.AmountOfShares
});
}
else
{
portfolio.ChangeAmountOfShares(customerPortfolio, args.AmountOfShares);
}
usersService.ChangeUserBalance(args.customerId, args.TransactionCost * -1); // в данной программе нет ограничения на минусовой баланс
usersService.ChangeUserBalance(args.sellerId, args.TransactionCost);
}