public async Task <IActionResult> Results([FromQuery] string token)
{
var generatedQuiz = await _dbContext.UserQuizzes
.Where(e => e.Tag == token)
.Include(e => e.SourceQuiz)
.ThenInclude(e => e.QuizBlocks)
.ThenInclude(e => e.Question)
.Include(e => e.SourceQuiz)
.ThenInclude(e => e.QuizBlocks)
.ThenInclude(e => e.Answers)
.Include(e => e.UserAnswers)
.FirstOrDefaultAsync().ConfigureAwait(false);
if (generatedQuiz == null)
{
return(StatusCode(404, $"Тест с заданным идентификатором ({token}) не найден."));
}
var generatedQuizIsEnded = DateTime.Now > generatedQuiz.StartTime.Add(TimeSpan.FromSeconds(generatedQuiz.SourceQuiz.TotalTimeSecs)) ||
generatedQuiz.IsEnded;
if (!generatedQuizIsEnded)
{
return(RedirectToAction("QuizProcess", new { token }));
}
if (!generatedQuiz.IsEnded)
{
generatedQuiz.IsEnded = true;
generatedQuiz.EndTime = generatedQuiz.StartTime.AddSeconds(generatedQuiz.SourceQuiz.TotalTimeSecs);
_dbContext.UserQuizzes.Update(generatedQuiz);
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
}
var model = new TestResultsViewModel();
model.TestTitle = generatedQuiz.SourceQuiz.Title;
model.StartTime = generatedQuiz.StartTime;
model.CorrectAnswersCount = 0;
if (generatedQuiz.SourceQuiz.MaxQuizBlocksCount > 0 && generatedQuiz.SourceQuiz.MaxQuizBlocksCount <= generatedQuiz.SourceQuiz.QuizBlocks.Count)
{
if (generatedQuiz.SourceQuiz.ShowResultsToUser)
{
model.QuizBlocks = TranslateSessionResultModel(generatedQuiz).ToList();
var tempQuiz = Translation.Translate(generatedQuiz);
tempQuiz = CommonHelpers.ShuffleQuizData(tempQuiz);
var quizBlockIds = tempQuiz.SourceQuiz.QuizBlocks.Take(tempQuiz.SourceQuiz.MaxQuizBlocks).Select(e => e.Id).ToList();
model.QuizBlocks = model.QuizBlocks.Where(e => quizBlockIds.Contains(e.BlockId)).ToList();
}
model.QuestionCount = generatedQuiz.SourceQuiz.MaxQuizBlocksCount;
}
else
{
model.QuestionCount = generatedQuiz.SourceQuiz.QuizBlocks.Count;
}
foreach (var quizBlock in generatedQuiz.SourceQuiz.QuizBlocks)
{
var quizUserAnswer = generatedQuiz.UserAnswers.FirstOrDefault(e => e.QuizBlockId == quizBlock.Id);
if (quizUserAnswer == null)
{
continue;
}
if (CommonHelpers.CheckQuizAnswer(quizBlock, quizUserAnswer))
{
model.CorrectAnswersCount++;
}
}
return(View(model));
}
public async Task <IActionResult> ShowResults(ShowResultsViewModel model)
{
await UpdateQuizStatuses().ConfigureAwait(false);
var generatedQuizIds = model.Answers.Where(e => e.IsSelected).Select(e => e.GeneratedQuizId).ToList();
var generatedQuizzes = await _dbContext.UserQuizzes
.Where(e => generatedQuizIds.Contains(e.Id))
.Include(e => e.RespondentUser)
.Include(e => e.SourceQuiz)
.ThenInclude(e => e.QuizBlocks)
.ThenInclude(e => e.Question)
.Include(e => e.SourceQuiz)
.ThenInclude(e => e.QuizBlocks)
.ThenInclude(e => e.Answers)
.Include(e => e.UserAnswers)
.ToListAsync().ConfigureAwait(false);
var resultSb = new StringBuilder();
resultSb.Append("Пользователь;").Append("Правильных ответов;").Append("Всего вопросов;").Append("% правильных;").AppendLine();
foreach (var generatedQuiz in generatedQuizzes)
{
var questionCount = generatedQuiz.SourceQuiz.MaxQuizBlocksCount > 0 && generatedQuiz.SourceQuiz.MaxQuizBlocksCount <= generatedQuiz.SourceQuiz.QuizBlocks.Count
? generatedQuiz.SourceQuiz.MaxQuizBlocksCount
: generatedQuiz.SourceQuiz.QuizBlocks.Count;
var correctAnswerCount = 0;
foreach (var quizBlock in generatedQuiz.SourceQuiz.QuizBlocks)
{
var quizUserAnswer = generatedQuiz.UserAnswers.FirstOrDefault(e => e.QuizBlockId == quizBlock.Id);
if (quizUserAnswer == null)
{
continue;
}
if (CommonHelpers.CheckQuizAnswer(quizBlock, quizUserAnswer))
{
correctAnswerCount++;
}
}
var correctPercent = correctAnswerCount * 100 / questionCount;
resultSb
.Append(generatedQuiz.RespondentUser.Name).Append(";")
.Append(correctAnswerCount).Append(";")
.Append(questionCount).Append(";")
.Append(correctPercent).Append(";")
.AppendLine();
}
var fileName = $"QuizResults_{model.SourceQuizId}_{DateTimeOffset.Now.ToUnixTimeSeconds()}.csv";
var stream = new MemoryStream();
var csvWriter = new StreamWriter(stream, Encoding.UTF8)
{
AutoFlush = true
};
await csvWriter.WriteAsync(resultSb.ToString()).ConfigureAwait(false);
stream.Seek(0, SeekOrigin.Begin);
return(File(stream, "text/csv", fileName));
}
