private IEnumerable <EvaluatedAnswer> KeyToEvaluatedAnswers(IEnumerable <KeyEntity> keyEntities, TestEntity testEntity)
{
var orderedAnswerOptions = testEntity.TestAnswerOptions
.Select(tao => new { tao.Order, tao.AnswerOptionId });
foreach (var keyEntity in keyEntities)
{
var currentQuestion = testEntity.Questions
.Single(qe => qe.Id == keyEntity.QuestionId);
if (testEntity.AreAnswerOptionsUnique)
{
orderedAnswerOptions = currentQuestion
.QuestionAnswerOptions
.Select(qao => new { qao.Order, qao.AnswerOptionId });
}
int answerOptionIndex = orderedAnswerOptions
.Single(oao => oao.AnswerOptionId == keyEntity.AnswerId)
.Order;
yield return(new EvaluatedAnswer
{
AnswerIndex = answerOptionIndex,
QuestionIndex = currentQuestion.Order,
Points = keyEntity.Points
});
}
}
public TestWithScales(TestEntity testEntity) : base(testEntity)
{
Scales = testEntity.GetScales()
.Select(se => new Scale(se, testEntity))
.OrderBy(scale => scale.Name);
}