public virtual QuestionnaireOutcome Apply(Questionnaire questionnaire)
{
var questions = GetQuestions(questionnaire);
var errorMessages = new Dictionary <string, ICollection <string> >();
foreach (var question in questions)
{
var answer = questionnaire.Answers.SingleOrDefault(x => x.QuestionId == question.Id);
if (answer != null)
{
var errors = question.Validate(answer.Value);
if (errors.Count > 0)
{
errorMessages.Add(question.Id, errors);
}
if (question.Answer.HasConditional)
{
answer = questionnaire.Answers.SingleOrDefault(x => x.QuestionId == question.Answer.ConditionalQuestion.Id);
if (answer != null)
{
errors = question.Answer.ConditionalQuestion.Validate(answer.Value);
if (errors.Count > 0)
{
errorMessages.Add(question.Answer.ConditionalQuestion.Id, errors);
}
}
}
}
}
if (errorMessages.Count > 0)
{
return(new QuestionnaireOutcome(questions, errorMessages));
}
if (questionnaire.Answers == null || questionnaire.Answers
.Where(x => !x.QuestionId.Contains("."))
.Select(x => x.QuestionId)
.Distinct()
.Count() < questions.Count)
{
return(new QuestionnaireOutcome(questions));
}
QuestionnaireOutcome questionnaireOutcome = ApplyRule(questionnaire);
ApplyOutcomeToQuestionnaire(questionnaire, questionnaireOutcome);
return(questionnaireOutcome);
}
protected abstract void ApplyOutcomeToQuestionnaire(Questionnaire questionnaire, QuestionnaireOutcome questionnaireOutcome);