public ActionResult Search(string Algorithm, string Keyword)
{
if (!String.IsNullOrEmpty(Keyword) && !String.IsNullOrEmpty(Algorithm))
{
var feed = new FeedReader();
var news = feed.RetrieveFeed("http://www.antaranews.com/rss/terkini");
ArrayList result = new ArrayList();
HtmlDocument htmlDoc = new HtmlDocument();
using (var article = new HttpClient())
{
foreach (var i in news)
{
var response = article.GetAsync((i as FeedItem).Uri).Result;
if (response.IsSuccessStatusCode)
{
var content = response.Content;
htmlDoc.LoadHtml(content.ReadAsStringAsync().Result);
HtmlNodeCollection nodes = htmlDoc.DocumentNode.SelectNodes("//div[@id='content_news']");
if (nodes != null)
{
var node = nodes.First();
StringMatch testSearch = new StringMatch(node.InnerText, Keyword);
if (Algorithm.Equals("KMP"))
{
//search with KMP
//if found, replace i.Content to string that contain keyword, then add to result
String searchResult = testSearch.KMPsearch();
if (!String.IsNullOrEmpty(searchResult))
{
i.Content = searchResult;
result.Add(i as FeedItem);
}
}
else if (Algorithm.Equals("Booyer-Moore"))
{
//search with Booyer-Moore
//if found, replace i.summary to string that contain keyword, then add to result
String searchResult = testSearch.BoyerMooreSearch();
if (!String.IsNullOrEmpty(searchResult))
{
i.Content = searchResult;
result.Add(i as FeedItem);
}
}
else if (Algorithm.Equals("Regex"))
{
//search with Regex
//if found, replace i.summary to string that contain keyword, then add to result
String searchResult = testSearch.RegexSearch();
if (!String.IsNullOrEmpty(searchResult))
{
i.Content = searchResult;
result.Add(i as FeedItem);
}
}
}
}
}
}
ViewBag.items = result;
}
return(View());
}
