public List <Item> ParseLinesToItems(List <string> lines)
{
List <Item> items = new List <Item>();
foreach (string line in lines)
{
// Use regular expressions to extract the data
Match itemNameMatch = Regex.Match(line, @"([a-zA-Z ])+");
if (!itemNameMatch.Success)
{
throw new InvalidOperationException();
}
Item item;
// Need to remove trailing space
switch (itemNameMatch.Value.Trim())
{
case "Normal Item":
item = new Item();
break;
case "Aged Brie":
item = new AgedBrie();
break;
case "Sulfuras":
item = new Sulfuras();
break;
case "Backstage passes":
item = new BackstagePasses();
break;
case "Conjured":
item = new ConjuredItem();
break;
default:
item = new UnknownItem();
break;
}
// Match positive or negative digits
Match sellInAndQualityMatch = Regex.Match(line, @"(-?\d+)");
if (!itemNameMatch.Success)
{
throw new InvalidOperationException();
}
// SellIn value comes first
item.SellIn = Int32.Parse(sellInAndQualityMatch.Value);
sellInAndQualityMatch = sellInAndQualityMatch.NextMatch();
item.Quality = Int32.Parse(sellInAndQualityMatch.Value);
items.Add(item);
}
return(items);
}
public void UpdateQuality()
{
foreach (Item item in _items)
{
ShelveItem shelveItem;
switch (item.Name)
{
case "Aged Brie":
shelveItem = new AgingItem(item);
break;
case "Sulfuras, Hand of Ragnaros":
shelveItem = new LegendaryItem(item);
break;
case "Backstage passes to a TAFKAL80ETC concert":
shelveItem = new TicketItem(item);
break;
case "Conjured Mana Cake":
shelveItem = new ConjuredItem(item);
break;
default:
shelveItem = new ShelveItem(item);
break;
}
shelveItem.UpdateItemQuality();
}
}
public void Conjured_man_Cake_outdated()
{
var Items = new ConjuredItem("Conjured Mana Cake", -2, 10);
Items.Update();
Assert.AreEqual("Conjured Mana Cake", Items.Name);
Assert.AreEqual(-3, Items.SellIn);
Assert.AreEqual(6, Items.Quality);
}
public void Conjured_man_Cake()
{
var Items = new ConjuredItem("Conjured Mana Cake", 5, 3);
Items.Update();
Assert.AreEqual("Conjured Mana Cake", Items.Name);
Assert.AreEqual(4, Items.SellIn);
Assert.AreEqual(1, Items.Quality);
}