public async Task <int> CreateBookAsync(string title, string description, decimal price, int copies, int?edition, int authorId, List <string> categories)
{
if (await authorRepository.ExistsAsync(authorId))
{
var book = new Book
{
Title = title,
Description = description,
Price = price,
Copies = copies,
Edition = edition,
AuthorId = authorId
};
await bookRepository.CreateAsync(book);
await categoryRepository.AddCategoriesToBookAsync(book, categories);
return(book.Id);
}
return(0);
}
