private void ConfirmAnswer()
{
var history = _wordUserHistories.FirstOrDefault(x => x.Language == SelectedDictionaryQuestion.Language &&
x.Word == CurrentQuestionWord.Text && x.UserId == _currentUser.Id);
if (history == null)
{
history = _dao.CreateWordUserHistory();
history.Language = SelectedDictionaryQuestion.Language;
history.Word = CurrentQuestionWord.Text;
history.UserId = _currentUser.Id;
history.TimesEncountered = 0;
history.TimesRight = 0;
}
if (_correctAnswers.Contains(SelectedAnswerWord))
{
CorrectAnswers = _answeredCorrectly + 1;
AnswerResultMessage = "Correct!\n";
history.TimesRight++;
}
else
{
AnswerResultMessage = "Wrong!\n";
foreach (var word in _correctAnswers)
{
if (CurrentAnswerWords.Contains(word))
{
AnswerResultMessage += "Correct answer: '" + word.Text + "'.\n";
break;
}
}
}
if (_currentQuestionSet.Count == 0)
{
AnswerResultMessage += "No more questions!";
}
Tries = _tries + 1;
history.TimesEncountered++;
_dao.SaveWordUserHistory(history);
_answeredThisQuestion = true;
}
private void NextQuestion()
{
AnswerResultMessage = "";
CurrentQuestionWord = _currentQuestionSet.First();
_currentQuestionSet.Remove(CurrentQuestionWord);
_correctAnswers = SelectedDictionaryAnswer.Words.Where(x => AreWordsConnected(x, SelectedDictionaryAnswer.Language, CurrentQuestionWord, SelectedDictionaryQuestion.Language));
CurrentAnswerWords.Clear();
int n = _answersPerQuestion;
bool insertedCorrectAnswer = false;
while (n > 0)
{
if ((!insertedCorrectAnswer && _random.Next(_answersPerQuestion) == 0) ||
(!insertedCorrectAnswer && n == 1))
{
CurrentAnswerWords.Add(_correctAnswers.ElementAt(_random.Next(_correctAnswers.Count())));
insertedCorrectAnswer = true;
n--;
}
else
{
IWord word;
do
{
word = SelectedDictionaryAnswer.Words.ElementAt(_random.Next(SelectedDictionaryAnswer.Words.Count));
} while (CurrentAnswerWords.Contains(word));
if (_correctAnswers.Contains(word))
{
insertedCorrectAnswer = true;
}
CurrentAnswerWords.Add(word);
n--;
}
}
SelectedAnswerWord = null;
_answeredThisQuestion = false;
}
public void OnEntry()
{
Tries = 0;
CorrectAnswers = 0;
AnswersPerQuestion = 4;
QuestionsPerSet = 2;
SelectedDictionaryAnswer = null;
SelectedDictionaryQuestion = null;
CurrentQuestionWord = null;
CurrentAnswerWords.Clear();
_dictionaries = _dao.GetAllDictionaries();
_dictionariesQuestion = new CollectionViewSource()
{
Source = _dictionaries
}.View;
_dictionariesAnswer = new CollectionViewSource()
{
Source = _dictionaries
}.View;
_wordConnections = _dao.GetAllWordConnections();
_wordUserHistories = _dao.GetAllHistoriesForUser(_currentUser);
_availableQuestions = new List <IWord>();
_currentQuestionSet = new List <IWord>();
}
