public void DownloadAndParseWebSiteBookIndexPage(Book book)
{
var downloader = new HttpContentDownloader();
downloader.Download(book.IndexPage,
ar =>
{
try
{
//At this step, we can get the index page in the search engine
var state = (RequestState)ar.AsyncState;
var response = (HttpWebResponse)state.Request.EndGetResponse(ar);
response.GetResponseStream();
book.RootUrl = UrlHelper.GetRootUrlString(response.ResponseUri);
var parser = new WebsiteBookIndexPageParser();
try
{
ProgressIndicatorHelper.CrossThreadStartProgressIndicator(true, "下载完成，解析目录中");
parser.Parse(response.GetResponseStream(), book);
SelectedBook = book;
ModelManager.GetBookIndexModel().Book = SelectedBook;
if (GetBookIndexPageCompleted != null)
{
GetBookIndexPageCompleted(this, null);
}
}
catch (Exception e)
{
ExceptionHandler.HandleException(e);
}
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.RequestCanceled)
{
throw new TimeoutException(String.Format("连接{0}目录页超时", book.WebSite.WebSiteName));
}
}
});
}
public void Refresh()
{
ProgressIndicatorHelper.StartProgressIndicator(true , "更新本书目录");
var downloader = new HttpContentDownloader();
DownloaderList.Add(downloader);
downloader.Download(Book.IndexPage,
ar =>
{
//At this step, we can get the index page in the search engine
var state = (RequestState)ar.AsyncState;
state.stopTimer = true;
var response = (HttpWebResponse)state.Request.EndGetResponse(ar);
response.GetResponseStream();
Book.RootUrl = UrlHelper.GetRootUrlString(response.ResponseUri);
var parser = new WebsiteBookIndexPageParser();
var temp = new Book {RootUrl = Book.RootUrl};
parser.Parse(response.GetResponseStream(), temp );
var newChapters = new List<Chapter>();
newChapters.AddRange(
temp.Chapters.Where
(
chapter => !Book.Chapters.Any(c => c.ChapterName == chapter.ChapterName)
));
if (newChapters.Count > 0)
{
var totalChapters = new List<Chapter>();
totalChapters.AddRange(Book.Chapters);
totalChapters.AddRange(newChapters);
_storage.SaveChapters(newChapters);
Book.Chapters = totalChapters.ToArray();
LastPage();
}
else
{
CrossThreadHelper.CrossThreadMethodCall(() => MessageBox.Show("本书尚未有新的章节"));
}
ProgressIndicatorHelper.StopProgressIndicator();
});
}