public void SetAnswer(FlashCard card, bool isCheckNeeded)
{
if (isCheckNeeded)
{
if (IsCorrectFlashCard(card) == false)
{
throw new ArgumentException();
}
}
var answers = card.AnswerHtmlText
.Split(new string[] { "<div>", "</div>" }, StringSplitOptions.RemoveEmptyEntries);
Answers = Options
.Where(option =>
{
if (option.HtmlText != string.Empty)
{
return(answers.Contains(option.HtmlText));
}
else
{
return(option.ImageUrl == card.AnswerImageUrl);
}
})
.ToList();
}
public bool IsCorrectFlashCard(FlashCard card)
{
if (card.QuestionHtmlText != HtmlText)
{
return(false);
}
var answers = card.AnswerHtmlText
.Split(new string[] { "<div>", "</div>" }, StringSplitOptions.RemoveEmptyEntries);
foreach (var answer in answers)
{
if (Options
.Where(option =>
{
if (option.HtmlText != string.Empty)
{
return(option.HtmlText == answer);
}
else
{
return(option.ImageUrl == card.AnswerImageUrl);
}
})
.Count() != 1)
{
return(false);
}
}
return(true);
}
private static FlashCard ParseFlashCard(JToken json)
{
var flashCard = new FlashCard();
flashCard.Id = json["id"].Value <int>();
flashCard.QuestionHtmlText = json["question"]["text"].ToString();
flashCard.QuestionImageUrl = json["question"]["image"]?.ToString();
flashCard.AnswerHtmlText = json["answer"]?["text"].ToString();
flashCard.AnswerImageUrl = json["answer"]?["image"]?.ToString();
return(flashCard);
}
