public async Task GetDetail(string posturl, string postimageurl)
{
DetailPost dp = new DetailPost();
string htmlPage = "";
string category = "";
try
{
using (var client = new HttpClient())
{
if (!posturl.Contains("https:"))
{
posturl = "https:" + posturl;
}
htmlPage = await client.GetStringAsync(posturl).ConfigureAwait(false);
}
HtmlDocument htmlDocument = new HtmlDocument();
HtmlDocument innerHtmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(htmlPage);
var innerText = htmlDocument.DocumentNode
.Descendants("div")
.Where(o => o.GetAttributeValue("id", "") == "bodycontents").FirstOrDefault();
string htmlDiv = "";
htmlDiv = "<html>" + innerText.OuterHtml + "</html>";
innerHtmlDocument.LoadHtml(htmlDiv);
// Get Category
var innerinfo = htmlDocument.DocumentNode
.Descendants("p")
.Where(o => o.GetAttributeValue("class", "") == ("info")).FirstOrDefault();
if (innerinfo != null)
{
foreach (Match m in Regex.Matches(innerinfo.OuterHtml, "<a[^>]*>([^<]*?)</a>", RegexOptions.IgnoreCase | RegexOptions.Multiline))
{
category = m.Groups[1].Value;
// add src to some array
}
}
// Get Title
var title = htmlDocument.DocumentNode
.Descendants("h1")
.Where(o => o.GetAttributeValue("class", "").Contains("firstHeading")).FirstOrDefault();
var match = Regex.Match(title.InnerHtml, @"(<a.*?>.*?</a>)", RegexOptions.Singleline);
string titles = Regex.Replace(match.Groups[1].Value, @"\s*<.*?>\s*", "");
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(title.OuterHtml);
var link = doc.DocumentNode.Descendants("a")
.Select(p => p.GetAttributeValue("href", "not found"))
.FirstOrDefault();
var img = innerHtmlDocument.DocumentNode
.Descendants("img").ToList();
var imageUrl = "";
if (img.Count != 0)
{
imageUrl = Regex.Match(img[img.Count - 1].OuterHtml, "<img.+?src=[\"'](.+?)[\"'].*?>", RegexOptions.IgnoreCase).Groups[1].Value;
}
else
{
imageUrl = "http://pad3.whstatic.com/images/thumb/a/a4/Default_wikihow_green_intl.png/-crop-163-119-141px-Default_wikihow_green_intl.png";
}
const string FMT = "O";
DateTime now1 = DateTime.Now;
string strDate = now1.ToString(FMT);
titles = WebUtility.HtmlDecode(titles);
//htmlDiv = WebUtility.HtmlDecode(htmlDiv);
dp.Title = titles;
if (postimageurl != "")
{
dp.ImageUrl = postimageurl;
}
else
{
dp.ImageUrl = imageUrl;
}
if (!link.Contains("http:"))
{
link = "http:" + link;
}
dp.Url = link;
dp.SavedTime = strDate;
dp.Content = htmlPage;
if (category != "")
{
dp.Category = category;
}
else
{
dp.Category = "Tidak Terkategori";
}
}
catch
{
}
DetailPost = dp;
}
public DetailPostViewModel()
{
DetailPost = new DetailPost();
LoadDetailCommand = new Command(async() => await ExecuteDetailCommand(null));
}
