protected override BookLink GetChapterLinks(HtmlDocument htmlDoc, string baseUrl)
{
var titleNode = htmlDoc.DocumentNode.SelectSingleNode("//div[@id='title']");
var authorNode = htmlDoc.DocumentNode.SelectSingleNode("//div[@id='info']");
BookLink bookLink = new BookLink
{
IndexPage = baseUrl,
Title = Utilities.ToTraditional(titleNode?.InnerText),
Author = authorNode?.InnerText
};
baseUrl = Utilities.TrimEnd(baseUrl.ToLower(), "index.htm");
List <HtmlNode> tableRows = new List <HtmlNode>();
var tables = htmlDoc.DocumentNode.SelectNodes("//table[@class='css']");
foreach (var tableNode in tables)
{
tableRows.AddRange(tableNode.Descendants("tr"));
}
List <IssueLink> issueLinks = new List <IssueLink>();
foreach (var node in tableRows)
{
var titleRow = node.SelectSingleNode(".//td[@class='vcss']");
if (titleRow != null)
{
IssueLink b = new IssueLink
{
Title = Utilities.ToTraditional(titleRow.InnerText)
};
issueLinks.Add(b);
continue;
}
// 一個章節的 tr 裡面會有一個以上的 ccss 文章超連結
var chapterRows = node.SelectNodes(".//td[@class='ccss']");
foreach (var chapterRow in chapterRows)
{
var link = chapterRow.Descendants("a").FirstOrDefault();
if (link != null)
{
ChapterLink chapterLink = new ChapterLink();
chapterLink.Title = Utilities.ToTraditional(link.InnerText);
chapterLink.Url = baseUrl + link.Attributes["href"]?.Value;
issueLinks.Last()?.ChapterLinks.Add(chapterLink);
}
}
}
bookLink.IssueLinks = issueLinks;
return(bookLink);
}
/// <summary>
/// 下載整套書
/// </summary>
public async Task <Book> GetBookAsync(BookLink bookLink, CodePage codePage)
{
if (bookLink == null || bookLink.IssueLinks.Count == 0)
{
return(null);
}
Book book = new Book();
book.Title = bookLink.Title;
foreach (var issue in bookLink.IssueLinks)
{
book.Issues.Add(await GetIssueAsync(issue, codePage));
await Task.Delay(SLEEP_MS);
}
return(book);
}
/// <summary>
/// 從一本書的主頁尋找目錄頁的超連結，並從目錄頁記下此書所有章節的連結
/// </summary>
protected override async Task <BookLink> FindBookIndexPageAsync(HtmlDocument bookDocument)
{
// get book status
var tdStatusNodes = bookDocument.DocumentNode.SelectNodes("//td[@width='20%']");
string lastUpdateTimeString = tdStatusNodes.FirstOrDefault(x => x.InnerText.StartsWith("最后更新："))?.InnerText;
lastUpdateTimeString = Utilities.TrimStart(lastUpdateTimeString, "最后更新：");
// get index page link
string indexHref = FindTargetHref(bookDocument, "小说目录");
// get index page body
string htmlString2 = await GetPageBodyAsync(indexHref, CodePage.Gb2312);
HtmlDocument bookPageDocument = new HtmlDocument();
bookPageDocument.LoadHtml(htmlString2);
// parse the index page
BookLink bookLink = GetChapterLinks(bookPageDocument, indexHref);
if (DateTime.TryParse(lastUpdateTimeString, out DateTime lastTime))
{
bookLink.LastUpdateTime = lastTime;
}
return(bookLink);
}
