public async Task <bool> Handle(SaveBookCommand request, CancellationToken cancellationToken)
{
var inserted = false;
var book = await _db.Books.FilterTitle(request.Title).FirstOrDefaultAsync(cancellationToken);
if (book == null)
{
inserted = true;
book = new Entities.Book();
}
book.Title = request.Title;
book.Language = request.Language;
book.AuthorName = request.Author;
if (request.Category != null)
{
var category = await _db.Categories.FirstOrDefaultAsync(x => x.Name == request.Category, cancellationToken);
if (category == null)
{
category = new Entities.BookCategory
{
Name = request.Category
};
}
if (!book.Categories.Any(x => x.Category.Name == category.Name))
{
book.Categories.Add(new Entities.BookCategoryBook()
{
Category = category
});
}
}
if (inserted)
{
await _db.AddAsync(book, cancellationToken);
}
await _db.SaveChangesAsync(cancellationToken);
var message = new UpdateBookEvent
{
Title = book.Title,
Author = book.AuthorName,
Language = book.Language
};
await _bus.PublishAsync(ContextNames.Exchange.Book, message);
return(true);
}
public void UpdateBook(Book book)
{
foreach (Book b in books)
{
if (ReferenceEquals(b, book))
{
b.Title = book.Title;
b.Author = book.Author;
b.ReleaseDate = book.ReleaseDate;
b.Genre = book.Genre;
}
}
foreach (Book b in books)
{
Console.WriteLine(b.Title + b.Author + b.Genre);
}
UpdateBookEvent?.Invoke(book);
}
public void UpdateBook(Book book)
{
UpdateBookEvent?.Invoke(book);
}
