internal Fact(string expression, string meaning, ReviewTime reviewTime)
{
_reviewTime = reviewTime;
Expression = expression;
Meaning = meaning;
_reviewTime = reviewTime;
}
public void GiveAnswer(Answer answer)
{
if (answer == Answer.Correct)
{
// NextReview = DateTime.Now.Add(DateTime.Now - LastReview);
// LastReview = DateTime.Now;
_reviewTime = _reviewTime.CalculateNextReview();
}
}