Esempio n. 1
0
        PerformRandomOperation(IDataInteraction dataProvider, IOutputProvider outputProvider, ILogger logger)
        {
            int     sellerId;
            int     buyerId;
            int     shareId;
            decimal sharePrice;
            int     purchaseQuantity;

            try
            {
                int numberOfTraders = dataProvider.GetNumberOfTraders();

                if (numberOfTraders > 1)
                {
                    List <int> availableSellers = dataProvider.GetAvailableSellers();

                    if (availableSellers.Count > 0)
                    {
                        sellerId = availableSellers[new Random().Next(0, availableSellers.Count)];
                    }
                    else
                    {
                        throw new Exception("No traders with shares");
                    }

                    buyerId = new Random().Next(1, numberOfTraders + 1);

                    while (sellerId == buyerId)
                    {
                        buyerId = new Random().Next(1, numberOfTraders + 1);
                    }

                    if (buyerId == sellerId)
                    {
                        throw new Exception("buyerId == sellerId");
                    }
                }
                else
                {
                    throw new Exception("Not enough traders for a transaction");
                }

                List <int> availableShares = dataProvider.GetAvailableShares(sellerId);
#if DEBUG
                outputProvider.WriteLine("Available shares types = " + availableShares.Count);
#endif
                logger.Write("Available shares types = " + availableShares.Count);

                shareId          = availableShares[new Random().Next(0, availableShares.Count)];
                sharePrice       = dataProvider.GetSharePrice(shareId);
                purchaseQuantity = new Random().Next(1, dataProvider.GetShareQuantityFromPortfoio(sellerId, shareId) + 1);

                return(sellerId, buyerId, shareId, sharePrice, purchaseQuantity);

                //UpdateDatabase(dataProvider, outputProvider, logger, sellerId, buyerId, shareId, sharePrice, purchaseQuantity);
            }
            catch (Exception e)
            {
                outputProvider.WriteLine(e.Message);
                logger.Write(e.Message);
            }

            return(0, 0, 0, 0M, 0);
        }