private double CalculateScore(List <AnswerDbo> answersDbo, TestDbo testDbo)
{
var rightAnswersCount = answersDbo.Count(a =>
AnswersHelper.CheckAnswer(a.UserAnswer, a.RightAnswer));
return((double)rightAnswersCount / testDbo.Questions.Count);
}
public async Task <Guid> SaveAnswersAsync(List <AnswerDbo> answersDbo, TestDbo test, UserDbo user)
{
await SetRightAnswers(answersDbo);
var score = CalculateScore(answersDbo, test);
var result = await SaveResult(test, user, score);
await SaveAnswersWithResult(answersDbo, result);
return(result.Id);
}
public async Task <ActionResult> AddAsync()
{
var user = await GetUser();
var test = new TestDbo {
Owner = user
};
ModelsContext.Add(test);
await ModelsContext.SaveChangesAsync();
return(Ok(test.Id));
}
private async Task <ResultDbo> SaveResult(TestDbo test, UserDbo user, double score)
{
var result = new ResultDbo
{
User = user,
DateTime = DateTime.Now,
Test = test,
Score = score
};
_context.Add(result);
await _context.SaveChangesAsync();
return(result);
}
