public async Task Handle(AddAuthor message, CancellationToken cancellationToken)
{
AuthorEntityHandler.Add(message.Author);
await Mediator.Send(new SaveChanges());
await Mediator.Publish(new AuthorAdded(message.Author, message.UserId));
}
public async Task Handle(UpdateAuthor message, CancellationToken cancellationToken)
{
var oldAuthor = await AuthorEntityHandler.Get(message.Author.Id);
if (oldAuthor == null)
{
throw new EntityNotFoundException <Author>(message.Author);
}
var newAuthor = oldAuthor.Update(message.Author, DateTime.UtcNow);
AuthorEntityHandler.Update(newAuthor);
await Mediator.Send(new SaveChanges());
await Mediator.Publish(new AuthorUpdated(newAuthor, oldAuthor, message.UserId));
}
public async Task <Author> Handle(GetAuthor request, CancellationToken cancellationToken) => await AuthorEntityHandler.Get(request.Id);
public async Task <IEnumerable <Author> > Handle(GetAuthors request, CancellationToken cancellationToken) => await AuthorEntityHandler.Get();