public QuestionViewModel(IQuestionService questionService,
INavigationService navigationService,
IBadgeService badgeService,
ISettingsService settingsService,
ILocalizationService localizationService,
IAudioService audioService)
{
_questionService = questionService;
_navigationService = navigationService;
_badgeService = badgeService;
_settingsService = settingsService;
_localizationService = localizationService;
_audioService = audioService;
Messenger.Default.Register<Set>(this, Load);
Messenger.Default.Register<CleanUp>(this, CallCleanUp);
#if DEBUG
if (IsInDesignMode)
{
SelectedQuestion = new Question();
BindQuestion(SelectedQuestion);
ProgresLabel = "1/10";
CorrectAnswers = 0;
IncorrectAnswers = 0;
}
#endif
}
public async Task<IList<Question>> GetAll(Set set)
{
var result = new List<Question>();
for (var index = 0; index < 30; index++)
{
var question = new Question
{
Id = index,
Text = "Question: " + index,
AnswerCorrect = index + 1,
AnswerIncorrect = index
};
result.Add(question);
}
return await Task.FromResult<IList<Question>>(result);
}
private void BindQuestion(Question selectedQuestion)
{
Text = selectedQuestion.Text;
if (RandomNumber(1, 10) > 5)
{
AnswerCorrect = selectedQuestion.AnswerCorrect;
AnswerIncorrect = selectedQuestion.AnswerIncorrect;
}
else
{
AnswerCorrect = selectedQuestion.AnswerIncorrect;
AnswerIncorrect = selectedQuestion.AnswerCorrect;
}
}