public static bool TryParse(XContainer xml, out GoodreadsBook result)
{
result = null;
var bookNode = (xml is XElement && (xml as XElement).Name == "best_book") ? xml as XElement : xml.Descendants("best_book").FirstOrDefault();
var idNode = (bookNode.Element("id")?.FirstNode as XText)?.Value;
var titleNode = bookNode.Element("title");
var authorNode = bookNode.Element("author");
var title = titleNode?.Value;
if (string.IsNullOrEmpty(title))
{
return false;
}
int id;
if (idNode == null || !int.TryParse(idNode, out id))
{
id = int.MinValue;
}
GoodreadsAuthor author;
if (authorNode == null || !GoodreadsAuthor.TryParse(authorNode, out author))
{
result = new GoodreadsBook(id, title);
}
else
{
result = new GoodreadsBook(id, title, author);
}
return true;
}
private GoodreadsWork(int id, GoodreadsBook book, float averageRating)
: base(id)
{
this.Book = book;
this.AverageRating = averageRating;
}
private GoodreadsWork(int id, GoodreadsBook book)
: this(id, book, Single.NaN)
{
}
