public void Update(ChapterDataBrief chapter)
{
if (chapter is Chapter db)
{
Debug.Assert(db.BookId == BookId);
Debug.Assert(db.ChapterId == ChapterId);
Debug.Assert(db.Book == Book || db.Book is null || Book is null);
}
Title = chapter.Title;
VolumeTitle = chapter.VolumeTitle.CoalesceNullOrWhiteSpace(VolumeTitle);
UpdateTime = chapter.UpdateTime ?? UpdateTime;
if (chapter.WordCount >= 0)
{
WordCount = chapter.WordCount;
}
Key = chapter.Key;
Preview = chapter.Preview.CoalesceNullOrWhiteSpace(Preview);
if (chapter is ChapterDataDetailed detailed)
{
Content = detailed.Content.CoalesceNullOrWhiteSpace(Content);
}
}
public Chapter(int bookId, int chapterId, ChapterDataBrief item)
{
this.BookId = bookId;
this.ChapterId = chapterId;
Update(item);
}
public Chapter(Book book, int chapterId, ChapterDataBrief item)
: this(book.Id, chapterId, item)
{
this.Book = book;
}
