public IEnumerable <byte> ToBytes()
{
var bytes = new List <byte>();
bytes.AddRange(Header.ToBytes());
if (Questions != null && Questions.Any())
{
bytes.AddRange(Questions.SelectMany(qu => qu.ToBytes()));
}
if (Answers != null && Answers.Any())
{
bytes.AddRange(Answers.SelectMany(ans => ans.ToBytes()));
}
if (Authorities != null && Authorities.Any())
{
bytes.AddRange(Authorities.SelectMany(auth => auth.ToBytes()));
}
if (Additionals != null && Additionals.Any())
{
bytes.AddRange(Additionals.SelectMany(ads => ads.ToBytes()));
}
return(bytes);
}
public int?GetPossibleAnswerID(int questionId)
{
if (Answers.Any(a => a.QuestionID == questionId))
{
return(Answers.Where(a => a.QuestionID == questionId).First().QuestionPossibleAnswerID);
}
else
{
return(null);
}
}
public string GetAnswerText(int questionId)
{
if (Answers.Any(a => a.QuestionID == questionId))
{
return(Answers.Where(a => a.QuestionID == questionId).First().Answer);
}
else
{
return(string.Empty);
}
}
private void SynchronizeAnswersCollections()
{
if (Answers.Any())
{
Answers.Clear();
}
foreach (var answer in Question.Answers)
{
Answers.Add(answer);
}
}
// End Navigation Properties
public string GetQuestionType()
{
if (Answers == null)
{
throw new System.Exception("Cannot call GetQuestionType() before loading navigation properties");
}
if (TrueFalseAnswer != null)
{
return("TrueOrFalse");
}
return(Answers.Any(a => a.ImageId != null) ? "ImageAnswers" : "TextAnswers");
}
public bool SubmitAnswer(Guid answerId)
{
AttemptCount++;
if (AttemptCount >= MaxAttempts)
{
Status = QuestionStatus.Locked;
return(false);
}
var result = Answers.Any(x => x.Id == answerId && x.IsCorrect);
if (result)
{
Status = QuestionStatus.Correct;
}
return(result);
}
private async void CreateTopic()
{
Tuple <bool, string> result;
if (_prevArgs.TopicType != null)
{
result = await ForumTopicQueries.CreateNewTopic(Title, Message,
_prevArgs.TopicType.Value, _prevArgs.Id, Question,
Answers.Any(model => !string.IsNullOrEmpty(model.Answer))
?Answers.Select(model => model.Answer).ToList()
: null);
}
else
{
result = await ForumTopicQueries.CreateNewTopic(Title, Message,
_prevArgs.ForumType, _prevArgs.Id, Question,
Answers.Any(model => !string.IsNullOrEmpty(model.Answer))
?Answers.Select(model => model.Answer).ToList()
: null);
}
if (result.Item1)
{
ResourceLocator.TelemetryProvider.TelemetryTrackEvent(TelemetryTrackedEvents.CreatedTopic);
if (result.Item2 != null)
{
ViewModelLocator.GeneralMain.Navigate(PageIndex.PageForumIndex, new ForumsTopicNavigationArgs(result.Item2, null));
}
else
{
ViewModelLocator.NavMgr.CurrentMainViewOnBackRequested();
}
Message = Title = string.Empty;
}
else
{
ResourceLocator.MessageDialogProvider.ShowMessageDialog("Something went wrong while creating your topic. Remember that you can post new topics every 5 minutes.", "Something went wrong!");
}
}
public void Skip(int milliseconds)
{
_millisecondsCounter += milliseconds;
if (CurrentParagraph.ShowMilliseconds < _millisecondsCounter)
{
_millisecondsCounter = 0;
if (CurrentParagraphIsLast)
{
if (!Answers.Any())
{
OnEnd?.Invoke();
}
}
else
{
_paragraphIndex++;
CurrentParagraph.Impact?.On(_character);
OnChanded?.Invoke();
}
}
}
/// <summary>
/// Verifies that the provided answer string is correct and if so, if it qualifies for the bonus answer
/// if there is one.
/// </summary>
/// <param name="answer">Answer string from user</param>
/// <returns></returns>
public AnswerResponse VerifyAnswer(string answer)
{
var response = new AnswerResponse
{
AnswerStatus = AnswerStatus.Incorrect,
Points = Points,
BonusPoints = BonusPoints
};
bool AnswerContains(string item) => answer.Contains(item, StringComparison.InvariantCultureIgnoreCase);
try
{
if (BonusPoints.HasValue && BonusPoints.Value != 0)
{
response.BonusPoints = BonusPoints;
if (BonusAll ?? false)
{
if (BonusAnswers.All(AnswerContains))
{
response.AnswerStatus = AnswerStatus.BonusCorrect;
}
else if (BonusAnswers.Any(AnswerContains))
{
response.AnswerStatus = AnswerStatus.PartiallyCorrect;
}
}
else if (BonusAnswers.Any(AnswerContains))
{
response.AnswerStatus = AnswerStatus.BonusCorrect;
}
return(response);
}
if (AnswersRequired.HasValue)
{
if (Answers.All(AnswerContains))
{
response.AnswerStatus = AnswerStatus.NormalCorrect;
}
else if (Answers.Any(AnswerContains))
{
response.AnswerStatus = AnswerStatus.PartiallyCorrect;
}
}
else if (Answers.Count(AnswerContains) >= AnswersRequired)
{
response.AnswerStatus = AnswerStatus.NormalCorrect;
}
else if (Answers.Count(AnswerContains) > 0)
{
response.AnswerStatus = AnswerStatus.PartiallyCorrect;
}
}
catch (Exception e) // Handling any errors is the responsibility of the consumer
{
response.AnswerStatus = AnswerStatus.Error;
response.Exception = e;
}
return(response);
}
private bool ValidatePoll() => !string.IsNullOrWhiteSpace(Title) && EndDate > DateTime.Now && Answers.Any() && User != null;
public override bool IsAnswered()
{
return(Answers.Any(x => x.Selected));
}
public bool IsAnswerCorrect(string answer)
{
Func <string, bool> check = GetCheckingFunction(answer);
return(Answers.Any(check));
}
