public static Book UpdateBook(InputBookModel input, Book book)
{
book.Title = input.Title;
book.ISBN = input.ISBN;
book.Year = input.Year;
return(book);
}
public static Book Create(InputBookModel input, Author author)
{
var books_authors = new Collection <BookAuthor>();
var new_book = new Book()
{
Title = input.Title,
ISBN = input.ISBN,
Year = input.Year,
};
var book_author = new BookAuthor()
{
Author = author,
Book = new_book
};
books_authors.Add(book_author);
new_book.BookAuthors.Add(book_author);
return(new_book);
}