public List<StockTransaction> combineSameStockTransactions(List<StockTransaction> trans)
{
List<StockTransaction> result = new List<StockTransaction>();
HashSet<StockTransaction> allSymbols = new HashSet<StockTransaction>();
foreach (StockTransaction s in trans)
{
allSymbols.Add(s);
}
foreach (StockTransaction s in allSymbols)
{
StockTransaction combined = new StockTransaction();
combined.Stock_Name = s.Stock_Name;
combined.Ticker_Symbol = s.Ticker_Symbol;
int combinedQuantity = 0;
int count = 0;
decimal sum = 0;
foreach (StockTransaction t in trans)
{
if (s.Ticker_Symbol == t.Ticker_Symbol)
{
if (t.Rate.ToString().Contains('-'))
{
combinedQuantity = combinedQuantity - t.Quantity;
}
else
{
combinedQuantity = combinedQuantity + t.Quantity;
count++;
sum = sum + t.Rate;
}
}
}
combined.Quantity = combinedQuantity;
combined.Rate = sum / count;
Boolean inList = false;
foreach (StockTransaction sTrans in result)
{
if (sTrans.Stock_Name == combined.Stock_Name)
{
inList = true;
}
}
if (inList == false && combined.Quantity > 0)
{
result.Add(combined);
}
}
return result;
}
public bool BuyStock(StockTransaction trans)
{
try
{
using (var context = new EntityContext())
{
context.StockTransaction.Add(trans);
context.SaveChanges();
return true;
}
}
catch (Exception ex)
{
return false;
}
}
public ActionResult SaveBuyTransaction(String stockName, String stockTicker, int quantity, double rate)
{
StockTransaction trans = new StockTransaction();
trans.Stock_Name = stockName;
trans.Ticker_Symbol = stockTicker;
trans.Quantity = quantity;
trans.Rate = (Decimal)rate;
trans.Timestamp = DateTime.Now;
// trans.transID = ;
// need to figure out how to get userid
HttpCookie cookie = Request.Cookies["SESSION_ID"];
trans.User_ID = accountService.getUserID(new Guid(cookie.Value));
stockService.BuyStock(trans);
return new EmptyResult();
}
