public async Task <int> Handle(
CreateBookCommand request,
CancellationToken cancellationToken)
{
var entity = new Book
{
Title = request.Title,
Author = request.Author,
Language = request.Language,
Publisher = request.Publisher,
ISBN10 = request.ISBN10
};
var @event = new BookCreatedEvent
{
Title = entity.Title,
Author = entity.Author
};
entity.Events.Add(@event);
var result = await _repository.AddAsync(entity);
return(result.Id);
}
private void HandleBookCreatedEvent(BookCreatedEvent e)
{
this.Title = e.Title;
this.Author = e.Author;
this.Description = e.Description;
this.ISBN = e.ISBN;
this.Pages = e.Pages;
this.Inventory = e.Inventory;
}
public bool Handle(BookCreatedEvent message)
{
string insertBookSql = @"INSERT INTO [Books]
([Title], [Author], [Description], [ISBN], [Pages], [Inventory], [AggregateRootId])
VALUES
(@title, @author, @description, @isbn, @pages, @inventory, @aggregateRootId)";
var rowsAffected = SqlHelper.ExecuteNonQuery(QueryDBConnectionString, CommandType.Text, insertBookSql,
new SqlParameter("@title", message.Title),
new SqlParameter("@author", message.Author),
new SqlParameter("@description", message.Description),
new SqlParameter("@isbn", message.ISBN),
new SqlParameter("@pages", message.Pages),
new SqlParameter("@inventory", message.Inventory),
new SqlParameter("@aggregateRootId", message.AggregateRootId));
return(rowsAffected > 0);
}
public void Test1()
{
ISerializer serializer = new Serializer();
var @event = new BookCreatedEvent(Guid.NewGuid(), "Test")
{
Version = 1,
TimeStamp = DateTimeOffset.UtcNow.Ticks
};
var bytes = serializer.Serialize(@event);
var obj = serializer.Deserialize <BookCreatedEvent>(bytes);
Assert.Equal(obj.Id, @event.Id);
Assert.Equal(obj.Name, @event.Name);
}
public static Book Create(string bookName, string authorName)
{
bookName = bookName?.Trim() ?? string.Empty;
if (string.IsNullOrEmpty(bookName))
{
throw new BookNameEmptyException();
}
authorName = authorName?.Trim() ?? string.Empty;
if (string.IsNullOrEmpty(authorName))
{
throw new AuthorNameEmptyException();
}
Book book = new Book(bookName, authorName);
BookCreatedEvent bookCreatedEvent = new BookCreatedEvent(book);
book.AddDomainEvent(bookCreatedEvent);
return(book);
}
