public void AddQuestionAndAnswer(QuestionAndAnswer questionAndAnswer)
{
if (_questionAndAnswers.Any(q => q.Question == questionAndAnswer.Question))
{
return;
}
_questionAndAnswers.Add(questionAndAnswer);
}
public void AddQuestionAndAnswer(string question, string answer)
{
var questionAndAnswer = new QuestionAndAnswer(Clean(question))
{
Answer = Clean(answer)
};
AddQuestionAndAnswer(questionAndAnswer);
}