/// <summary>
/// Jumps to detail view news page
/// </summary>
/// <param name="obj">ItemNews</param>
/// <returns></returns>
private async Task DetailsPage(object obj)
{
ItemsNews feedItem = obj as ItemsNews;
if (feedItem != null)
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => NavigationService.Navigate(typeof(ViewNewsPage), feedItem.LinkNews));
}
}
/// <summary>
/// Parsing news section page
/// </summary>
/// <param name="path"></param>
/// <param name="section"></param>
/// <returns></returns>
public async Task <ObservableCollection <ItemsNews> > NewsItemList(string path, string pathDB)
{
if (!HttpRequest.HasInternet())
{
return(null);
}
myItems = new ObservableCollection <ItemsNews>();
await Task.Run(async() =>
{
HttpClient httpClient = new HttpClient();
oldNewsItem = new ObservableCollection <ItemsNews>();
ResultHtmlPage = await HttpRequest.GetRequestOnlinerAsync(path);
resultat.LoadHtml(ResultHtmlPage);
List <HtmlNode> titleList = resultat.DocumentNode.Descendants().Where
(x => (x.Name == "article" && x.Attributes["class"] != null && x.Attributes["class"].Value.Contains
("b-posts-1-item b-content-posts-1-item news_for_copy"))).ToList();
//db news collections
var DBNewsList = await GetNeedList(pathDB);
foreach (var item in titleList)
{
_itemNews = new ItemsNews();
_itemNews.NewsID = item.Descendants("span").
Where(div => div.GetAttributeValue("class", string.Empty) == "show_news_view_count").FirstOrDefault().Attributes["news_id"].Value;
NewsListId.Add(QueryString(_itemNews.NewsID));
//data for update
_itemNews.LinkNews = item.Descendants("h3").
Where(div => div.GetAttributeValue("class", string.Empty) == "b-posts-1-item__title").FirstOrDefault().Descendants("a").FirstOrDefault().Attributes["href"].Value;
_itemNews.CountViews = GetFirstOrDefaultTwoTagInARowHtmlInnerText(item, "a", "span");
_itemNews.Footer = Regex.Replace(item.Descendants("span").
Where(div => div.GetAttributeValue("class", string.Empty) == "right-side").LastOrDefault().InnerText.Replace("\n", "").Trim(), @"\s+", " ");
var popularCount = item?.Descendants("span").Where(div => div.GetAttributeValue("class", string.Empty) == "popular-count").FirstOrDefault();
if (popularCount != null)
{
_itemNews.Popularcount = popularCount.InnerText;
}
if (DBNewsList != null)
{
var containItem = DBNewsList.FirstOrDefault(x => x.LinkNews == _itemNews.LinkNews);
if (containItem != null)
{
oldNewsItem.Add(_itemNews);
continue;
}
}
_itemNews.Themes = GetFirstOrDefaultTwoTagInARowHtmlInnerText(item, "div", "strong");
_itemNews.Title = GetFirstOrDefaultThreeTagInARowHtmlInnerText(item, "h3", "a", "span");
string clearLink = ClearImageLink(GetFirstOrDefaultTwoTagInARowHtmlInnerHtml(item, "figure", "a"));
_itemNews.Image = await client.GetByteArrayAsync(clearLink);
_itemNews.Description = ScrubHtml(item.Descendants("div").LastOrDefault().Descendants("p").First().InnerText.Trim());
//photo
_itemNews.Bmediaicon = GetFirstOrDefaultTagHtmlInnerText(item, "span", "class", "b-mediaicon");
//video
_itemNews.Mediaicongray = GetFirstOrDefaultTagHtmlInnerText(item, "span", "class", "b-mediaicon gray");
myItems.Add(_itemNews);
}
UpdateViewNews(oldNewsItem, path);
});
return(myItems);
}
