static private bool CheckIfItemExists(String ItemName)
{
// If item exists in the catalog return true otherwise false
if (PriceCatalog.getItemFromName(ItemName) != null)
{
return(true);
}
Console.WriteLine("Item does not exist in price catalog: " + ItemName);
return(false);
}
static public Item CreateItem(String Parameters)
{
// Parameters should be one line from the catalog file unsplit and not error checked
String[] seperator = { "," };
String[] elements = Parameters.Split(seperator, StringSplitOptions.RemoveEmptyEntries);
// Not enough parameters to create an item
if (elements.Length < 2)
{
return(null);
}
// Item already exists duplicates not allowed
if (null != PriceCatalog.getItemFromName(elements[0].ToLower()))
{
ErrorHandling.DisplyError("Item already exists: " + elements[0]);
return(null);
}
// Extract the price from the string parameters
double d;
if (!double.TryParse(elements[1], out d))
{
ErrorHandling.DisplyError("Failed to parse price (double) from: " + Parameters);
return(null);
}
// If the item has no promotions create it without
if (elements.Length < 3)
{
return(new Item(elements[0], d));
}
// If the item has a promotion create it with one
else if (elements.Length >= 3)
{
return(new Item(elements[0], d, Factory.PromotionFactory(elements[2])));
}
// Criteria not met to create item
return(null);
}
static public void Finish()
{
Console.WriteLine("\nPrinting Receipt...\n");
// Iterate through all the items that are being bought
foreach (String item in Buying)
{
Item i = PriceCatalog.getItemFromName(item);
Console.WriteLine(item);
// Display original price
Console.WriteLine("Regular price: $" + Math.Round(i._Price, 2));
double price = i._Price;
if (i.HasPromo())
{
// If there is a dicounted price add that to total instead
price = i._Promo.CalculatedDiscountedPrice(i._Price);
if (price != i._Price)
{
// Display savings
Console.WriteLine("Special pricing: $" + Math.Round(price, 2));
Console.WriteLine("You saved: $" + Math.Round((i._Price - price), 2));
}
}
// Add to total cost
TotalPrice += price;
}
// Display total
Console.WriteLine("Total: $" + Math.Round(TotalPrice, 2));
// Thank the customer
Console.WriteLine("Thank you, please come again.\n");
Clear();
}