/// <summary>
/// The get survey answer lms ids.
/// </summary>
/// <param name="question">
/// The question.
/// </param>
/// <param name="answer">
/// The answer.
/// </param>
/// <returns>
/// The <see cref="string[]"/>.
/// </returns>
protected string[] GetSurveyAnswerLmsIds(Question question, SurveyQuestionResultDTO answer)
{
var answers = answer.answers ?? new SurveyQuestionResultAnswerDTO[0];
var distractors = question.Distractors.Where(d => answers.Any(a => a.surveyDistractorAnswerId == d.Id) && d.LmsAnswerId != null);
return(distractors.Select(d => d.LmsAnswerId.ToString()).ToArray());
}
private SurveyQuestionResult ConvertDto(SurveyQuestionResultDTO resultDTO, SurveyResult surveyResult)
{
var instance = new SurveyQuestionResult
{
Question = resultDTO.question,
IsCorrect = resultDTO.isCorrect,
QuestionType = this.QuestionTypeModel.GetOneById(resultDTO.questionTypeId).Value,
SurveyResult = surveyResult,
QuestionRef = this.QuestionModel.GetOneById(resultDTO.questionId).Value
};
return(instance);
}
private void CreateAnswers(SurveyQuestionResultDTO dto, SurveyQuestionResult result, SurveyQuestionResultAnswerModel answerModel)
{
foreach (var answerDTO in dto.answers)
{
answerDTO.surveyQuestionResultId = result.Id;
if (IsValid(answerDTO, out ValidationResult distractorValidationResult))
{
try
{
var answer = ConvertDto(answerDTO, result);
answerModel.RegisterSave(answer, true);
}
catch (Exception ex)
{
Logger.ErrorFormat("Saving answers:" + ex);
}
}
}
}
/// <summary>
/// The convert survey answers to quiz answers.
/// </summary>
/// <param name="question">
/// The question.
/// </param>
/// <param name="answer">
/// The answer.
/// </param>
/// <param name="takeDistractorId">
/// The take Distractor Id.
/// </param>
/// <returns>
/// The <see cref="string[]"/>.
/// </returns>
protected string[] ConvertSurveyAnswersToQuizAnswers(Question question, SurveyQuestionResultDTO answer, bool takeDistractorId)
{
return(answer.answers.Where(a => takeDistractorId ? a.surveyDistractorId != null : a.value != null)
.Select(a => takeDistractorId ? a.surveyDistractorId.ToString() : a.value).ToArray());
}
