// Enables user to purchase a product
public BuyTransaction BuyProduct(User user, Product product, int count)
{
BuyTransaction buyTransaction = new BuyTransaction(user, product.productPriceTag, product);
buyTransaction.executeBuyMethod(user, product);
writeTransactionsToLog.WriteTransactionFileToLog(buyTransaction);
return buyTransaction;
}
public decimal executeBuyMethod(User _user, Product _product)
{
if (_user.Balance < _product.productPriceTag)
{
throw new InsufficientCreditsException(_user, _product);
}
else
{
return _user.Balance -= amountTransaction;
}
}
public BuyTransaction(User _user, decimal _price, Product producttobuy) : base(_user, _price)
{
productItem = producttobuy;
userTransaction = _user;
}
public void DisplayInsufficientCash(User user, Product product) // not implemented
{
throw new NotImplementedException();
}