public async void Open(BookDataBrief book)
{
using (var bs = BookShelf.Create())
{
var dc = SearchResult[book];
var existBook = await bs.Books.FirstOrDefaultAsync(b
=> b.Title == book.Title &&
b.Author == book.Author &&
b.PackageFamilyName == dc.PackageFamilyName &&
b.ExtensionId == dc.ExtensionId);
if (existBook is null)
{
existBook = new Book(book, dc);
bs.Books.Add(existBook);
}
else
{
existBook.Update(book, dc);
}
await bs.SaveChangesAsync();
await Navigator.GetForCurrentView().NavigateAsync(typeof(BookPage), existBook.Id.ToString());
}
}
public Book(BookDataBrief book, DataSource dataSource)
{
Title = book.Title;
Author = book.Author;
ExtensionId = dataSource.ExtensionId;
PackageFamilyName = dataSource.PackageFamilyName;
ChaptersData = new ObservableList <Chapter>();
Update(book, dataSource);
}
protected override async Task <SearchResponse> SearchAsync(SearchRequest request)
{
var content = new HttpBufferContent(GBEncoding.GetBytes($"s={request.Keyword}").AsBuffer())
{
Headers =
{
ContentType = new Windows.Web.Http.Headers.HttpMediaTypeHeaderValue("application/x-www-form-urlencoded")
}
};
var doc = await PostDoc(searchUri, content);
var r = new SearchResponse();
var box = doc.GetElementbyId("sitembox");
if (box is null)
{
var bf = new BookDataBrief();
parseBookMeta(bf, doc);
parseBookPage(bf, doc);
r.Books.Add(bf);
}
else
{
foreach (var item in box.Elements("dl"))
{
var title = item.SelectSingleNode("./dd[1]/h3/a");
var key = title.GetAttributeValue("href", "");
key = idReg.Match(key).Groups[1].Value;
var author = item.SelectSingleNode("./dd[2]/span[1]");
var status = item.SelectSingleNode("./dd[2]/span[2]");
var wordCount = item.SelectSingleNode("./dd[2]/span[4]");
var tags = item.SelectNodes("./dd[2]/a").EmptyIfNull();
var des = item.SelectSingleNode("./dd[3]");
var latestName = item.SelectSingleNode("./dd[4]/a");
var latestTime = item.SelectSingleNode("./dd[4]/span");
var image = item.SelectSingleNode("./dt[1]/a/img");
r.Books.Add(new BookDataBrief
{
Title = title.GetInnerText(),
Author = author.GetInnerText(),
Key = key,
CoverUri = image?.GetAttribute("_src", BaseUri, null),
Description = des.GetInnerText(),
WordCount = int.Parse(wordCount.GetInnerText()),
Tags = tags.Select(n => n.GetInnerText()).ToArray(),
IsFinished = status.GetInnerText().Contains("完结"),
LatestChapter = new ChapterDataBrief
{
UpdateTime = DateTime.Parse(latestTime.GetInnerText()),
Key = latestName.GetAttribute("href", ""),
Title = latestName.GetInnerText(),
}
});
}
}
return(r);
}
private void parseBookPage(BookDataBrief book, HtmlDocument document)
{
book.Description = string.Join("\n", document.GetElementbyId("intro_win")
.SelectNodes("./div[1]/p").EmptyIfNull()
.Select(p => p.GetInnerText()));
var booinfo = document.GetElementbyId("bookinfo");
book.WordCount = int.Parse(booinfo.SelectSingleNode("./div[2]/div[2]/ul[1]/li[11]/span[1]").GetInnerText());
book.Tags = booinfo.SelectNodes("./div[2]/div[4]/span[1]/a").EmptyIfNull().Select(n => n.GetInnerText()).ToArray();
}
private void parseBookPage(BookDataBrief book, HtmlDocument document)
{
var info = document.DocumentNode.SelectSingleNode("./html/body/div[@class='wrap']/div[@class='mainarea']/div[@class='bortable']/div[@class='work']/div[@class='wright']");
book.Description = info.SelectSingleNode("./p[@class='Text']").GetInnerText();
var booinfo = document.GetElementbyId("bookinfo");
book.WordCount = int.Parse(info.SelectSingleNode("./div[@id='box4']/p/small[1]").GetInnerText());
var bt1 = document.GetElementbyId("bt_1");
book.Key = bookIdReg.Match(bt1.Element("a").GetAttributeValue("href", "")).Groups[2].Value;
}
public void Update(BookDataBrief book, DataSource dataSource)
{
Debug.Assert(!(book is Book));
Debug.Assert(book.Title == Title);
Debug.Assert(book.Author == Author);
Debug.Assert(dataSource.ExtensionId == ExtensionId);
Debug.Assert(dataSource.PackageFamilyName == PackageFamilyName);
LatestChapter = book.LatestChapter;
Tags = book.Tags;
AlternativeTitle = book.AlternativeTitle.CoalesceNullOrWhiteSpace(AlternativeTitle);
if (Description.CoalesceNullOrEmpty("").Length <= book.Description.CoalesceNullOrWhiteSpace("").Length)
{
Description = book.Description;
}
if (!book.CoverData.IsNullOrEmpty())
{
CoverData = book.CoverData;
}
if (book.CoverUri != null)
{
CoverUri = book.CoverUri;
}
IsFinished = book.IsFinished;
if (book.WordCount >= 0)
{
WordCount = book.WordCount;
}
Key = book.Key ?? Key;
if (book is BookDataDetailed detailed && !detailed.Chapters.IsNullOrEmpty() && ChaptersData != null)
{
Description = book.Description.CoalesceNullOrWhiteSpace(Description);
var newChpData = new List <Chapter>();
var i = 0;
foreach (var item in detailed.Chapters)
{
i++;
newChpData.Add(new Chapter(this, i /* 1-based index */, item));
}
ChaptersData.Update(newChpData,
(o, n) => o.ChapterId.CompareTo(n.ChapterId),
(existChp, newChp) => existChp.Update(newChp));
}
}
private void parseBookMeta(BookDataBrief book, HtmlDocument document)
{
var head = document.DocumentNode.SelectSingleNode("/html/head");
var uri = head.SelectSingleNode("./meta[@property='og:novel:read_url']").GetAttribute("content", "");
book.Key = idReg.Match(uri).Groups[1].Value;
book.Title = head.SelectSingleNode("./meta[@property='og:novel:book_name']").GetAttribute("content", "");
book.Author = head.SelectSingleNode("./meta[@property='og:novel:author']").GetAttribute("content", "");
book.CoverUri = head.SelectSingleNode("./meta[@property='og:image']").GetAttribute("content", BaseUri, null);
book.IsFinished = head.SelectSingleNode("./meta[@property='og:novel:status']").GetAttribute("content", "").Contains("完结");
book.LatestChapter = new ChapterDataBrief
{
UpdateTime = DateTime.Parse(head.SelectSingleNode("./meta[@property='og:novel:update_time']").GetAttribute("content", "")),
Key = idReg.Match(head.SelectSingleNode("./meta[@property='og:novel:latest_chapter_url']").GetAttribute("content", "")).Groups[1].Value,
Title = head.SelectSingleNode("./meta[@property='og:novel:latest_chapter_name']").GetAttribute("content", ""),
};
}
