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 Add(Entities.BookCategory category)
{
_service.Add(category);
}
public async Task SaveAsync(BookMessage model)
{
bool inserted = false;
var book = await _db.Books.FilterTitle(model.Title).FirstOrDefaultAsync();
if (book == null)
{
inserted = true;
book = new Entities.Book();
}
book.Title = model.Title;
book.Language = model.Language;
if (model.Category != null)
{
var category = await _db.Categories.FirstOrDefaultAsync(x => x.Name == model.Category);
if (category == null)
{
category = new Entities.BookCategory();
category.Name = model.Category;
}
if (!book.Categories.Any(x => x.Category.Name == category.Name))
{
book.Categories.Add(new Entities.BookCategoryBook()
{
Category = category
});
}
}
var authorName = model.Author;
if (FeatureAddTableAtuthor.Get())
{
book.Author = await _db.Authors.FirstOrDefaultAsync(x => x.Name == authorName);
if (book.Author == null)
{
book.Author = new Entities.BookAuthor();
book.Author.Name = authorName;
}
}
else
{
book.AuthorName = authorName;
}
if (inserted)
{
await _db.AddAsync(book);
}
else
{
_db.Update(book);
}
await _db.SaveChangesAsync();
var message = new BookUpdateMessage
{
Id = book.Id,
Title = book.Title,
Author = authorName,
Language = book.Language
};
await _bus.PublishAsync(ExchangeNames.Book, message);
}
public void Add(Entities.BookCategory category)
{
DbSession.BookCategorys.Add(category);
}
