public void Add(HarryPotterBook book)
{
if(Contains(book))
throw new ArgumentException(book + " has already been added to this set. Each book " +
"in the series can only be added once.");
_booksInSeries.Add(book);
}
public BookSeriesSet FindSetForBook(List<BookSeriesSet> sets, HarryPotterBook book)
{
var smallestMatchingSet = (from set in sets
where !set.Contains(book)
orderby set.Count
select set).FirstOrDefault();
return smallestMatchingSet;
}
public BookSeriesSet FindSetForBook(IEnumerable<BookSeriesSet> sets, HarryPotterBook book)
{
// works because the first sets in the collection get filled first
var firstMatchingSet = (from set in sets
where !set.Contains(book)
select set).FirstOrDefault();
return firstMatchingSet;
}
public bool Contains(HarryPotterBook book)
{
return _booksInSeries.Contains(book);
}
public decimal Add(HarryPotterBook book)
{
cart.Add(book);
return(CalculateTotal());
}
public void GivenIHaveEnteredCopyOfAHarryPotterBookIntoTheShoppingBasket(int harrypottercopies, int othercopies)
{
switch (harrypottercopies + "" + othercopies)
{
case "10":
var book = new HarryPotterBook("Harry Potter and Philosopher's Stone");
basket.AddItems(book);
break;
case "20":
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
break;
case "30":
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Prizoner of Azkaban"));
break;
case "40":
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Prizoner of Azkaban"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Goblet of Fire"));
break;
case "70":
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Prizoner of Azkaban"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Order of the Phoenix"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Goblet of Fire"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Half-Blood Prince"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Deathly Hollows"));
break;
case "21":
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
basket.AddItems(new Book("Not a Harry POtter Book"));
break;
case "140":
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Prizoner of Azkaban"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Order of the Phoenix"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Goblet of Fire"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Half-Blood Prince"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Deathly Hollows"));
basket.AddItems(new HarryPotterBook("Harry Potter and Philosopher's Stone"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Chamber of Secrets"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Prizoner of Azkaban"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Order of the Phoenix"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Goblet of Fire"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Half-Blood Prince"));
basket.AddItems(new HarryPotterBook("Harry Potter and the Deathly Hollows"));
break;
case "03":
basket.AddItems(new Book("Other Book 1"));
basket.AddItems(new Book("Other Book 2"));
basket.AddItems(new Book("Other Book 3"));
break;
default:
break;
}
}