public Question(string symptomName, string questionText, Answer.QUESTION_TYPE questionType)
{
QuizzerStrategyContext quizzerStrategyContext = new QuizzerStrategyContext();
quizzerStrategyContext.SetContext(questionType);
this.questionText = questionText;
this.questionType = questionType;
this.correspondingSymptom = symptomName;
}
private Answer InitAnswer(SymptomContext context)
{
Quiz currentQuiz = quizHandler.GetQuizById(context.id);
Answer.QUESTION_TYPE answerType = currentQuiz.GetCurrentQuestionType();
Answer answer = new Answer(answerType, currentQuiz.GetCurrentSymptom());
switch (answerType)
{
case Answer.QUESTION_TYPE.QUESTION_BOOLEAN:
if (context.status > 0)
{
answer.SetAnswerBoolean(Answer.QUESTION_BOOLEAN.TRUE);
}
else
{
answer.SetAnswerBoolean(Answer.QUESTION_BOOLEAN.FALSE);
}
break;
case Answer.QUESTION_TYPE.QUESTION_NUMBER:
answer.SetAnswerNumeric(context.status);
break;
case Answer.QUESTION_TYPE.QUESTION_SICKNESS_LEVEL:
switch (context.status)
{
case 0:
answer.SetAnswerSicknessLevel(Answer.QUESTION_SICKNESS_LEVEL.ABSENT);
break;
case 1:
answer.SetAnswerSicknessLevel(Answer.QUESTION_SICKNESS_LEVEL.LITTLE);
break;
case 2:
answer.SetAnswerSicknessLevel(Answer.QUESTION_SICKNESS_LEVEL.MEDIUM);
break;
case 3:
answer.SetAnswerSicknessLevel(Answer.QUESTION_SICKNESS_LEVEL.HIGH);
break;
}
break;
}
return(answer);
}
public void SetContext(Answer.QUESTION_TYPE questionType)
{
switch (questionType)
{
case Answer.QUESTION_TYPE.QUESTION_SICKNESS_LEVEL:
quizzerStrategy = new QuestionSicknessLevelStrategy();
break;
case Answer.QUESTION_TYPE.QUESTION_BOOLEAN:
quizzerStrategy = new QuestionBooleanStrategy();
break;
case Answer.QUESTION_TYPE.QUESTION_NUMBER:
quizzerStrategy = new QuestionNumberStrategy();
break;
}
}
public Question GetNextQuestion()
{
if (quizState != QUIZ_STATE.ANSWERED)
{
return(null);
}
if (askedQuestions.Count >= maxQuestionCount || symptomsHolder.GetSignaturesCount() <= finalSignatureCount)
{
quizState = QUIZ_STATE.FINISHED;
return(null);
}
quizState = QUIZ_STATE.ANSWERING;
Question nextQuestion = symptomsHolder.GetNextQuestion();
currentQuestionType = nextQuestion.GetQuestionType();
currentSymptomType = nextQuestion.GetCorrespondingSymptom();
return(nextQuestion);
}
