public void RemoveBook(Book book)
{
var booksToRemove = (from b in Books where b.Book.IsSameTitleAndAuthor(book) select b).ToList();
if (!booksToRemove.Any()) return;
foreach (var wishListBook in booksToRemove)
{
Books.Remove(wishListBook);
}
}
public void AddBook(Book book)
{
var isBookAlreadyAdded = false;
foreach (var wishListBook in Books)
{
isBookAlreadyAdded = wishListBook.Book.IsSameTitleAndAuthor(book);
}
if (!isBookAlreadyAdded)
Books.Add(new WishListBook {Book = book});
}
public void BuysBook(Book book)
{
OwnedBooks.Add(book);
}
public bool IsSameEdition(Book book)
{
return Title == book.Title && Author == book.Author && BookType == book.BookType;
}
public bool IsSameTitleAndAuthor(Book book)
{
return Title == book.Title && Author == book.Author;
}