public HandlingEvent(Book book, LibraryAccount account, Library library, HandlingType handlingType) : base(Guid.NewGuid())
{
Assert.IsValid(book);
Assert.IsValid(account);
Assert.IsValid(library);
OnEvent(new HandlingEventCreated(Id, book.Id, account.Id, library.Id, handlingType, DateTime.Now));
}
/// <summary>
/// 图书馆接收归还的书
/// </summary>
/// <param name="book"></param>
/// <param name="account"></param>
/// <param name="count"></param>
public void ReceiveBook(Book book, LibraryAccount account, int count)
{
Assert.IsValid(book);
Assert.Greater(count, 0);
var bookStoreItem = _bookStoreItems.SingleOrDefault(x => x.BookId == book.Id);
Assert.IsNotNull(bookStoreItem);
OnEvent(new BookReceived(Id, book.Id, account.Id, count));
OnAggregateRootCreated(new HandlingEvent(book, account, this, HandlingType.Return));
}
