/// <summary>
/// Buy stocks
/// </summary>
/// <param name="companyName"></param>
/// <param name="companySymbol"></param>
/// <param name="currentSharePrice"></param>
/// <param name="numOfShares"></param>
/// <param name="time"></param>
/// <returns></returns>
public bool BuyStock(string companyName, string companySymbol, double currentSharePrice, int numOfShares, DateTime time)
{
if (!stock.IsOpenStockMarket() && EnforceMarketClosure)
{
MessageBox.Show("The market is closed.");
return(false);
}
if (numOfShares * currentSharePrice > Cash)
{
MessageBox.Show("You don't have enough money for that purchase. Dummy.");
return(false);
}
double transactionAmount = (numOfShares * currentSharePrice);
// create a new holding if one doesn't already exist
Holding holding = GetHolding(companySymbol);
if (holding == null)
{
holding = new Holding(companySymbol);
Holdings.Add(holding);
holding.companyName = companyName;
holding.currentSharePrice = currentSharePrice;
}
holding.numOfShares += numOfShares;
holding.totalInvested += (transactionAmount);
holding.worth += (transactionAmount);
// Add to list of transactions
Transactions.Add(new Transaction(companyName, companySymbol, currentSharePrice, numOfShares, time));
MessageBox.Show("You just purchased " + numOfShares + " shares of " + companyName + " stock at" + currentSharePrice.ToString("C2") + " per share.");
Cash = Cash - transactionAmount;
Cash = Cash - transactionFee;
refresh();
return(true);
}
/// <summary>
/// Sell stocks
/// </summary>
/// <param name="companyName"></param>
/// <param name="companySymbol"></param>
/// <param name="currentSharePrice"></param>
/// <param name="numOfShares"></param>
/// <param name="time"></param>
/// <returns></returns>
public bool SellStock(string companyName, string companySymbol, double currentSharePrice, int numOfShares, DateTime time)
{
Holding holding = GetHolding(companySymbol);
if (!stock.IsOpenStockMarket() && EnforceMarketClosure)
{
MessageBox.Show("The market is closed.");
return(false);
}
if (holding == null)
{
return(false);
}
if (numOfShares > holding.numOfShares)
{
MessageBox.Show("You cannot sell more shares than you own, dummy...");
return(false);
}
// Sale amount is subtracted from worth because worth is represents the overall worth of the stocks.
double saleAmount = (numOfShares * currentSharePrice);
holding.worth = holding.worth - saleAmount;
Cash = Cash + saleAmount;
Cash = Cash - transactionFee;
// The effective price per share is the total amount of money invested divided by the number of shares being held.
double effectivePricePerShare = (holding.totalInvested / holding.numOfShares);
holding.totalInvested = holding.totalInvested - (effectivePricePerShare * numOfShares);
holding.numOfShares = holding.numOfShares - numOfShares;
refresh();
MessageBox.Show("You sold " + numOfShares.ToString() + " share(s) of " + companyName + " at " + currentSharePrice.ToString("C2") + " a share. Total sale amount: " + saleAmount.ToString("C2"));
return(true);
}
/// <summary>
/// Buy stocks
/// </summary>
/// <param name="companyName"></param>
/// <param name="companySymbol"></param>
/// <param name="currentSharePrice"></param>
/// <param name="numOfShares"></param>
/// <param name="time"></param>
/// <returns></returns>
public bool BuyStock(string companyName, string companySymbol, double currentSharePrice, int numOfShares, DateTime time)
{
if (!stock.IsOpenStockMarket() && EnforceMarketClosure)
{
MessageBox.Show("The market is closed.");
return false;
}
if (numOfShares * currentSharePrice > Cash)
{
MessageBox.Show("You don't have enough money for that purchase. Dummy.");
return false;
}
double transactionAmount = (numOfShares * currentSharePrice);
// create a new holding if one doesn't already exist
Holding holding = GetHolding(companySymbol);
if (holding == null)
{
holding = new Holding(companySymbol);
Holdings.Add(holding);
holding.companyName = companyName;
holding.currentSharePrice = currentSharePrice;
}
holding.numOfShares += numOfShares;
holding.totalInvested += (transactionAmount);
holding.worth += (transactionAmount);
// Add to list of transactions
Transactions.Add(new Transaction(companyName, companySymbol, currentSharePrice, numOfShares, time));
MessageBox.Show("You just purchased " + numOfShares + " shares of " + companyName + " stock at" + currentSharePrice.ToString("C2") + " per share.");
Cash = Cash - transactionAmount;
Cash = Cash - transactionFee;
refresh();
return true;
}
private void AddTestDataToHoldings()
{
Holding holding = new Holding("AAPL");
holding.numOfShares = 5;
holding.totalInvested = 80.00;
Holdings.Add(holding);
holding = new Holding("TSLA");
holding.numOfShares = 10;
holding.totalInvested = 10000.00;
Holdings.Add(holding);
}
