public QuestionVm ShowRandomlySelectedQuestion(int categoryId, string username)
{
var questionsIdWithGoodRespondOfthisUser = _categoryAndQuestionRepo.GetQuestionIdsWhichUserRespondCorrectly(username);
var questions = _categoryAndQuestionRepo.GetQuestionsByCategoryId(categoryId)
.ProjectTo <QuestionVm>(_mapper.ConfigurationProvider).ToList();
for (int i = 0; i < questions.Count; i++)
{
if (questionsIdWithGoodRespondOfthisUser.Contains(questions[i].Id))
{
questions.RemoveAt(i);
i--;
}
}
if (questions.Count == 0)
{
if (categoryId != -1)
{
var categoryRespondedCorrectlyByUser = new CategoryWithEveryQuestionsRespondedCorrectlyByUser()
{
Username = username,
CategoryId = categoryId
};
_categoryAndQuestionRepo.AddCategoryWithAllGoodRespondsByUser(categoryRespondedCorrectlyByUser);
int idCategory = DrawCategory(username);
var question1 = ShowRandomlySelectedQuestion(idCategory, username);
return(question1);
}
else
{
QuestionVm questionVm1 = new QuestionVm()
{
Category = "empty"
};
return(questionVm1);
}
}
Random rnd = new Random();
int randomNumber = rnd.Next(0, questions.Count);
var question = questions[randomNumber];
return(question);
}
public void AddCategoryWithAllGoodRespondsByUser(CategoryWithEveryQuestionsRespondedCorrectlyByUser categoryRespondedCorrectlyByUser)
{
_context.CategoriesWithEveryQuestionsRespondedCorrectlyByUser.Add(categoryRespondedCorrectlyByUser);
_context.SaveChanges();
}
