restapi/20230415.1/w21library.classes/Library.cs

using w21library.classes.Intf;

namespace w21library.classes
{
    public class Library : ILibrary
    {
        protected List<Book> BookList = new List<Book>();
        public IEnumerable<IBook> GetActiveBooks()
        {
            List<Book> activeBookList = new List<Book>();
            foreach (var book in BookList)
            {
                activeBookList.Add(book);
            }
            return activeBookList;
        }

        public bool RemoveBook(string guid)
        {
            var book = BookList.FirstOrDefault(p => p.Uuid.Equals(guid));
            if (book == null) return false;
            return BookList.Remove(book);
        }

        public bool AddBook(string name, string author)
        {
            var book = new Book(author, name);
            BookList.Add(book);
            return true;
        }

    }

}