public static List<ChapterItem> GetChapters(BookItem item, WebRuleItem rule, HtmlExpand html)
{
var chapters = new List<ChapterItem>();
var ms =
html.Narrow(rule.CatalogBegin, rule.CatalogEnd)
.Matches(@"<a[^<>]+?href=""?(?<href>[^""<>\s]+)[^<>]*>(?<title>[\s\S]+?)</a>");
foreach (Match match in ms)
{
var url = match.Groups["href"].Value;
chapters.Add(new ChapterItem(match.Groups["title"].Value, UrlHelper.GetAbsolute(item.Url, url),
LocalHelper.GetSafeFile(url)));
}
return chapters;
}
public static List<ChapterItem> GetBook(ref BookItem item, WebRuleItem rule)
{
var html = new HtmlExpand();
html.SetUrl(item.Url);
if (!string.IsNullOrWhiteSpace(rule.CoverBegin) || !string.IsNullOrWhiteSpace(rule.CoverEnd))
{
item.Image = html.GetCover(rule.CoverBegin, rule.CoverEnd);
}
if (!string.IsNullOrWhiteSpace(rule.AuthorBegin) || !string.IsNullOrWhiteSpace(rule.AuthorEnd))
{
item.Author = html.GetAuthor(rule.AuthorBegin, rule.AuthorEnd);
}
if (!string.IsNullOrWhiteSpace(rule.DescriptionBegin) || !string.IsNullOrWhiteSpace(rule.DescriptionEnd))
{
item.Description = html.GetDescription(rule.DescriptionBegin, rule.DescriptionEnd);
}
var chapters = GetChapters(item, rule, html);
item.Count = chapters.Count;
return chapters;
}
public static List <ChapterItem> GetBook(ref BookItem item, WebRuleItem rule)
{
var html = new HtmlExpand();
html.SetUrl(item.Url);
if (!string.IsNullOrWhiteSpace(rule.CoverBegin) || !string.IsNullOrWhiteSpace(rule.CoverEnd))
{
item.Image = html.GetCover(rule.CoverBegin, rule.CoverEnd);
}
if (!string.IsNullOrWhiteSpace(rule.AuthorBegin) || !string.IsNullOrWhiteSpace(rule.AuthorEnd))
{
item.Author = html.GetAuthor(rule.AuthorBegin, rule.AuthorEnd);
}
if (!string.IsNullOrWhiteSpace(rule.DescriptionBegin) || !string.IsNullOrWhiteSpace(rule.DescriptionEnd))
{
item.Description = html.GetDescription(rule.DescriptionBegin, rule.DescriptionEnd);
}
var chapters = GetChapters(item, rule, html);
item.Count = chapters.Count;
return(chapters);
}
private void ExecuteUpdateCommand(int index)
{
if (index < 0 || index >= BooksList.Count || BooksList[index].Source == BookSources.本地) return;
RingVisibility = Visibility.Visible;
Task.Factory.StartNew(() =>
{
var item = BooksList[index];
var conn = DatabaseHelper.Open();
var rule = DatabaseHelper.GetRule(item.Url);
var chapters = Helper.HttpHelper.GetChapters(item, rule, (HtmlExpand)new HtmlExpand().SetUrl(item.Url));
var length = chapters.Count;
if (item.Count < length)
{
var result = Parallel.For((long) item.Count, length, i =>
{
var chapter = chapters[Convert.ToInt32(i)];
var html = new HtmlExpand();
html.SetUrl(chapter.Url);
LocalHelper.WriteTemp(
((HtmlExpand)html.Narrow(rule.ChapterBegin, rule.ChapterEnd)).GetText(rule.Replace), chapter.Content);
});
while (!result.IsCompleted)
{
Thread.Sleep(1000);
}
DbTransaction trans = conn.BeginTransaction();
try
{
for (var i = item.Count; i < length; i++)
{
var chapter = chapters[i];
DatabaseHelper.Insert<ChapterItem>(
"Name, Content, BookId, Url",
"@Name, @Content, @BookId, @Url",
new SQLiteParameter("@Name", chapter.Name),
new SQLiteParameter("@Content", LocalHelper.ReadTemp(chapter.Content)),
new SQLiteParameter("@BookId", item.Id),
new SQLiteParameter("@Url", chapter.Url));
}
trans.Commit();
}
catch (Exception)
{
trans.Rollback();
}
}
DatabaseHelper.Close();
RingVisibility = Visibility.Collapsed;
});
}
private void ExecuteUpdateCommand()
{
if (_book.Source == BookSources.本地) return;
RingVisibility = Visibility.Visible;
Task.Factory.StartNew(() =>
{
DatabaseHelper.Open();
var rule = DatabaseHelper.GetRule(_book.Url);
var chapter = ChaptersList[_book.Index];
var html = new HtmlExpand();
html.SetUrl(chapter.Url);
html.Narrow(rule.ChapterBegin, rule.ChapterEnd);
var content = html.GetText(rule.Replace);
DatabaseHelper.Update<ChapterItem>(
"Content = @content",
$"Id = {chapter.Id}",
new SQLiteParameter("@content", content));
DatabaseHelper.Close();
Application.Current.Dispatcher.Invoke(() =>
{
_setConent(content);
});
RingVisibility = Visibility.Collapsed;
});
}
public static List <ChapterItem> GetChapters(BookItem item, WebRuleItem rule, HtmlExpand html)
{
var chapters = new List <ChapterItem>();
var ms =
html.Narrow(rule.CatalogBegin, rule.CatalogEnd)
.Matches(@"<a[^<>]+?href=""?(?<href>[^""<>\s]+)[^<>]*>(?<title>[\s\S]+?)</a>");
foreach (Match match in ms)
{
var url = match.Groups["href"].Value;
chapters.Add(new ChapterItem(match.Groups["title"].Value, UrlHelper.GetAbsolute(item.Url, url),
LocalHelper.GetSafeFile(url)));
}
return(chapters);
}
