private Error SellStocks(StockEvent e)
{
Stock_M s = _mainModel.Stocks.Find((stock) => stock.Tag == e.Name);
if (s != null)
{
BuyOrSell_M bos = _currentPortfolio.CurrentlyHeld().Find(b => b.StockName == s.Name);
if (e.Amount > bos.Quantity)
{
return(new Error("Selling too many stocks"));
}
_currentPortfolio.SellStock(s, e.Amount);
}
Broadcast(new PortfolioEvent("portfolio", _currentPortfolio.Name));
return(Error.None);
}
private Error BuyStocks(StockEvent e)
{
Stock_M s = _mainModel.Stocks.Find((stock) => stock.Tag == e.Name);
if (s != null)
{
if (_currentPortfolio.CurrentlyHeld().Exists(b => b.StockName == s.Name))
{
return(new Error("Cannot buy stock you already own"));
}
try
{
_currentPortfolio.PurchaseStock(s, e.Amount);
}
catch (ArgumentException err)
{
return(new Error(err.Message));
}
}
Broadcast(new PortfolioEvent("portfolio", _currentPortfolio.Name));
return(Error.None);
}