コード例 #1
0
        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));
        }
コード例 #2
0
        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));
        }