/**
* Save an item. If an item with the same sku already exists, it will be replaced.
*/
public void SaveItem(Item item)
{
if (itemsBySku.ContainsKey(item.GetSku()))
{
itemsBySku.Remove(item.GetSku());
}
itemsBySku.Add(item.GetSku(), item);
}
public void TestConstructorWithSpecialOffer()
{
Supermarket.Item item = new Supermarket.Item("Bob", 123, 2, 210);
Assert.AreEqual(item.GetSku(), "Bob");
Assert.AreEqual(item.GetPrice(), 123);
Assert.IsTrue(item.HasSpecialOffer());
Assert.AreEqual(item.GetSpecialOfferMultiple(), 2);
Assert.AreEqual(item.GetSpecialOfferPrice(), 210);
}
public void TestConstructorWithoutSpecialOffer()
{
Supermarket.Item item = new Supermarket.Item("Rob", 456);
Assert.AreEqual(item.GetSku(), "Rob");
Assert.AreEqual(item.GetPrice(), 456);
Assert.IsFalse(item.HasSpecialOffer());
Assert.AreEqual(item.GetSpecialOfferMultiple(), 0);
Assert.AreEqual(item.GetSpecialOfferPrice(), 0);
}
/**
* Get the total price for the items that have been scanned
*/
public double GetTotalPrice()
{
double total = 0;
foreach (var sku in itemCountsBySku.Keys)
{
Item item = itemRepository.FindItem(sku);
if (item == null)
{
throw new SupermarketException("Missing item: " + sku);
}
int itemCount = itemCountsBySku[item.GetSku()];
total += GetSubtotalForItem(item, itemCount);
}
return(total);
}
/**
* Remove an item, if it doesn't exist, this method will just return without
* doing anything.
*/
public void RemoveItem(Item item)
{
itemsBySku.Remove(item.GetSku());
}