public ActionResult Index(UrlModel urlModel)
{
if (ModelState.IsValid)
{
try
{
//Creating the HttpWebRequest to check if URL page exists.
HttpWebRequest request = WebRequest.Create(urlModel.url) as HttpWebRequest;
request.Method = "GET";
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
response.Close();
if (response.StatusCode == HttpStatusCode.OK)
{
List <string> images = new List <string>();
WebRequest wr = WebRequest.Create(urlModel.url);
WebResponse res = wr.GetResponse();
string htmlString;
using (StreamReader reader = new StreamReader(res.GetResponseStream()))
{
htmlString = reader.ReadToEnd();
}
urlModel.images = HtmlUtility.GetAllImages(htmlString);
string plaintext = HtmlUtility.ConvertToDisplayText(htmlString);
urlModel.WordsFrequency = HtmlUtility.GetWordsFrequency(plaintext);
ModelState.Clear();
return(View(urlModel));
}
}
catch (Exception ex)
{
//Any exception will return Model as is.
ModelState.AddModelError("WebpageIssue", "Error. Please check the web page for the entered URL." + ex.Message);
return(View(urlModel));
}
}
return(View(urlModel));
}