public string RemoveAnswerFromQuestion(DTO.QuestionAnswers QuestionAnswer)
{
DAO.QuestionAnswers _QuestionAnswer = m_QuestionManagement.GetAnswer(QuestionAnswer.QuestionId, QuestionAnswer.AnswerId);
m_QuestionManagement.RemoveAnswer(_QuestionAnswer);
return(string.Empty);
}
public string AddAnswerToQuestion(DTO.QuestionAnswers QuestionAnswer)
{
DAO.Question _Question = m_QuestionManagement.GetQuestion(QuestionAnswer.QuestionId);
DAO.Answer _Answer = m_AnswerManagement.GetAnswer(QuestionAnswer.AnswerId);
m_QuestionManagement.AddAnswer(_Question, _Answer);
return(string.Empty);
}
public string SetCorrectAnswer(DTO.QuestionAnswers CorrectAnswer)
{
DAO.Question _Question = m_QuestionManagement.GetQuestion(CorrectAnswer.QuestionId);
DAO.Answer _Answer = m_AnswerManagement.GetAnswer(CorrectAnswer.AnswerId);
m_QuestionManagement.SetCorrectAnswer(_Question, _Answer);
return(string.Empty);
}
public string GetAllQuestions(string FilterName)
{
// Получить список вопросов.
var _DaoQuestions = m_QuestionManagement.GetAllQuestions(string.Empty);
// Получить список ответов на вопросы.
List <DTO.Question> _DtoQuestions = new List <DTO.Question>();
foreach (var _DaoQuestion in _DaoQuestions)
{
// Вопрос.
var _DtoQuestion = new DTO.Question()
{
Id = _DaoQuestion.Id, Text = _DaoQuestion.Text
};
// Ответы.
foreach (var _DaoAnswers in _DaoQuestion.Answers)
{
DTO.QuestionAnswers _DtoAnswer = new DTO.QuestionAnswers()
{
QuestionId = _DaoAnswers.QuestionId,
AnswerId = _DaoAnswers.Answer.Id,
AnswerText = _DaoAnswers.Answer.Text,
IsCorrect = _DaoAnswers.IsCorrect
};
_DtoQuestion.Answers.Add(_DtoAnswer);
}
_DtoQuestions.Add(_DtoQuestion);
}
string _Json = Utils.JsonSerialize(_DtoQuestions);
return(_Json);
}