public void AddBookState(BookState bookState) { DataContext.BookStatesList.Add(bookState); }
public BookReturn(Reader reader, BookState bookState) : base(reader, bookState) { bookState.Available = true; }
protected BookEvent(Reader reader, BookState bookState) : this(reader, bookState, DateTime.Now) { }
public BookRent(Reader reader, BookState bookState, DateTime dateTime) : base(reader, bookState, dateTime) { bookState.Available = false; }
protected BookEvent(Reader reader, BookState bookState, DateTime dateTime) { Reader = reader; BookState = bookState; EventTime = dateTime; }