/// <summary>
/// Loops over a set and returns the correct answer if found or any possibilities.
/// </summary>
/// <param name="url">The url of the set</param>
/// <returns></returns>
void GetSetInfo(String url, String userEnterQuestion, List <QuestionInfo> possible, List <QuestionInfo> correct, ParallelLoopState state)
{
// ScrapingBrowser scrapingBrowser = new ScrapingBrowser();
List <QuestionInfo> setInfo = new List <QuestionInfo>();
// WebPage page = scrapingBrowser.NavigateToPage(new Uri(url));
HtmlDocument htmlDocument = GetHtmlDocument(url);
HtmlNode n = htmlDocument.DocumentNode;
// HtmlNode n = page.Html;
String name = n.Descendants("title").FirstOrDefault().InnerHtml;
var stuff = n.Descendants("span").Where(x => x.GetAttributeValue("class", "").Contains("TermText")).ToList();
for (int i = 0; i < stuff.Count() - 2; i += 2)
{
// Make sure all leading and trailing white spaces are gone. Lowercase the entire string
String foundQuestion = stuff[i].InnerText.ToLower().Trim();
String answer = stuff[i + 1].InnerText;
QuestionInfo questionInfo = new QuestionInfo(foundQuestion, answer, userEnterQuestion);
// Add the question info to the dictionary. Use the found question as the key.
if (!addedQuestions.Contains(foundQuestion))
{
addedQuestions.Add(foundQuestion);
//Check if we have found the exact answer
if (questionInfo.Matches().foundType == FoundType.CORRECT)
{
correct.Add(questionInfo);
state.Break();
}
// Add a possibility to the list of questions
else if (questionInfo.Matches().foundType == FoundType.POSSIBLE)
{
possible.Add(questionInfo);
}
}
}
}
/// <summary>
/// Adds the current question info to the xml
/// </summary>
/// <param name="questionInfo"></param>
public void AddQuestionInfo(QuestionInfo questionInfo)
{
FoundType foundType = questionInfo.Matches().foundType;
XElement questionAnswer = new XElement("QuestionAnswer", new XAttribute("CorrectMatch", foundType.ToString()));
questionAnswer.Add(new XElement("Question", questionInfo.Question));
questionAnswer.Add(new XElement("Answer", questionInfo.Answer));
root.Add(questionAnswer);
}