/// <summary>
/// Buys a specified amount of stock of a specified stock
/// </summary>
/// <param name="tickerName">The abbreviation of the stock to buy</param>
/// <param name="amt">The amount to buy</param>
/// <returns>Error if trying to buy less than 1 share, Error if stock doesnt exist, Error if insufficient funds, Error if already own stocks in company. </returns>
private Error PortBuy(string tickerName, int amt)
{
if (amt <= 0)
{
return(new Error("Cannot buy less than 1 share"));
}
Ticker t = GetTickerByAbbr(tickerName.ToUpper());
if (t == null)
{
return(new Error("A stock with that abbreviation does not exist."));
}
double totalCost = (t.Price * amt) + TRADE_FEE;
if (totalCost > _acct.Funds)
{
return(new Error("You have inssuficient funds for this transaction."));
}
else
{
if (_currentPortfolio.Stocks.Exists(pur => pur.Ticker.Tag == tickerName))
{
return(new Class_Library.Error("You cannot buy stock from a company you already have stock in: "));
}
_currentPortfolio.AmountStocks += amt;
StockPurchase stock = new StockPurchase(t, amt);
_currentPortfolio.Stocks.Add(stock);
_acct.Funds -= totalCost;
_currentPortfolio.TotalFees += TRADE_FEE;
return(Error.None);
}
}
/// <summary>
/// Add
/// Returns the new stock with the amount of stocks purchased added together
/// </summary>
/// <param name="price"></param>
/// <returns></returns>
public StockPurchase Add(StockPurchase SP)
{
return(new StockPurchase(_ticker, _amount + SP._amount));
}
/// <summary>
/// HasSameTicker
/// returns whether the StockPurchase passed has the same ticker as the instance
/// </summary>
/// <param name="price"></param>
/// <returns></returns>
public bool HasSameTicker(StockPurchase SP)
{
return(SP.Ticker.Equals(_ticker));
}