/// <summary>
/// buy more of existing products
/// </summary>
private void Buy()
{
// get the product type the user wants to buy more of
Product.ProductType productType = _consoleView.DisplayBuyExistingProducut(_salesperson);
int numberOfUnits = 0;
// foreach loop to find the existing product
foreach (Product item in _salesperson.CurrentStock)
{
// if product type is found it prompts the user for number of products
// and adds them to the product
if (item.Type == productType && productType != Product.ProductType.None)
{
numberOfUnits = _consoleView.GetNumberOfUnitsToBuy();
item.AddProducts(numberOfUnits);
// find the product in the salesInfo list and update the number of units bought
foreach (Product product in city.SalesInfo)
{
if (productType == product.Type)
{
product.BuyProducts(numberOfUnits);
}
}
}
}
}