public void ChangeName(string login, string password, string newName)
{
if (CanLogin(login, password))
{
var e = new ChangeUserNameEvent(login, newName);
_blackBox.Record(new Event("ChangeName", login, e.ToJson()));
}
}
public void CreateBook(string title)
{
var e = new BookCreated(title);
_blackBox.Record("BookCreated", title, e.ToJson());
}