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);
}