public async Task <IActionResult> Index(string searchString)
{
PhanTichViewModel model = null;
if (!String.IsNullOrEmpty(searchString))
{
model = await VnexpressServices.getMainContentAsync(searchString, this.HttpContext);
}
return(View(model));
}
public static async Task <PhanTichViewModel> getMainContentAsync(string url, HttpContext httpContext)
{
try
{
HttpClient http = new HttpClient();
var response = await http.GetByteArrayAsync(url);
String source = Encoding.GetEncoding("utf-8").GetString(response, 0, response.Length - 1);
source = WebUtility.HtmlDecode(source);
HtmlDocument document = new HtmlDocument();
// Load trang web, nạp html vào document
// HtmlDocument document = htmlWeb.Load(url);
string h1 = "";
string h3 = "";
string[] content = new string[30];
int number = 0;
document.LoadHtml(source);
var h1Note = document.DocumentNode.SelectSingleNode(".//div[@class='title_news']/h1");
if (h1Note != null)
{
h1 = h1Note.InnerText;
}
var h3Note = document.DocumentNode.SelectSingleNode(".//h3[@class='short_intro txt_666']");
if (h3Note != null)
{
h3 = h3Note.InnerText;
}
var listP = document.DocumentNode.SelectNodes(".//div[@class='fck_detail width_common block_ads_connect']/p").ToList();
if (listP != null)
{
foreach (var p in listP)
{
content[number] = p.InnerText;
number++;
}
}
PhanTichViewModel model = new PhanTichViewModel(url, h1, h3, content);
httpContext.Session.SetObjectAsJson("PhanTich", model);
return(model);
}
catch
{
return(null);
}
}
