public static bool UpdateBookGenreID(int id, BookGenre genre)
{
if (_bookGenre.ContainsKey(id))
{
_bookGenre[id] = genre;
return(true);
}
return(false);
}
public static bool UpdateBookByID(int id, Book book, BookGenre bookGenre)
{
if (_books.ContainsKey(id))
{
_books[id] = book;
_authors[book.AuthorID] = book.Author;
_bookGenre[book.GenreID] = book.Genre;
return(true);
}
return(false);
}
public static BookGenre AddBookGenre(BookGenre type)
{
type.ID = _bookGenre.Keys.Max() + 1;
_bookGenre.Add(type.ID, type);
return(type);
}
