Examples with QuizSubmission de.tum.in.www1.artemis.domain.quiz.QuizSubmission used on opensource projects

Example 6 with QuizSubmission

use of de.tum.in.www1.artemis.domain.quiz.QuizSubmission in project ArTEMiS by ls1intum.

the class QuizSubmissionResourceIntTest method updateQuizSubmission.

@Test
@Transactional
public void updateQuizSubmission() throws Exception {
    // Initialize the database
    quizSubmissionRepository.saveAndFlush(quizSubmission);
    int databaseSizeBeforeUpdate = quizSubmissionRepository.findAll().size();
    // Update the quizSubmission
    QuizSubmission updatedQuizSubmission = quizSubmissionRepository.findOne(quizSubmission.getId());
    updatedQuizSubmission.scoreInPoints(UPDATED_SCORE_IN_POINTS);
    restQuizSubmissionMockMvc.perform(put("/api/quiz-submissions").contentType(TestUtil.APPLICATION_JSON_UTF8).content(TestUtil.convertObjectToJsonBytes(updatedQuizSubmission))).andExpect(status().isOk());
    // Validate the QuizSubmission in the database
    List<QuizSubmission> quizSubmissionList = quizSubmissionRepository.findAll();
    assertThat(quizSubmissionList).hasSize(databaseSizeBeforeUpdate);
    QuizSubmission testQuizSubmission = quizSubmissionList.get(quizSubmissionList.size() - 1);
    assertThat(testQuizSubmission.getScoreInPoints()).isEqualTo(UPDATED_SCORE_IN_POINTS);
}

Example 7 with QuizSubmission

use of de.tum.in.www1.artemis.domain.quiz.QuizSubmission in project ArTEMiS by ls1intum.

the class QuizSubmissionResourceIntTest method createQuizSubmission.

@Test
@Transactional
public void createQuizSubmission() throws Exception {
    int databaseSizeBeforeCreate = quizSubmissionRepository.findAll().size();
    // Create the QuizSubmission
    restQuizSubmissionMockMvc.perform(post("/api/quiz-submissions").contentType(TestUtil.APPLICATION_JSON_UTF8).content(TestUtil.convertObjectToJsonBytes(quizSubmission))).andExpect(status().isCreated());
    // Validate the QuizSubmission in the database
    List<QuizSubmission> quizSubmissionList = quizSubmissionRepository.findAll();
    assertThat(quizSubmissionList).hasSize(databaseSizeBeforeCreate + 1);
    QuizSubmission testQuizSubmission = quizSubmissionList.get(quizSubmissionList.size() - 1);
    assertThat(testQuizSubmission.getScoreInPoints()).isEqualTo(DEFAULT_SCORE_IN_POINTS);
}

Example 8 with QuizSubmission

use of de.tum.in.www1.artemis.domain.quiz.QuizSubmission in project ArTEMiS by ls1intum.

the class QuizSubmissionService method saveSubmissionForLiveMode.

/**
 * Saves a quiz submission into the hash maps for live quizzes. Submitted quizzes are marked to be saved into the database in the QuizScheduleService
 *
 * @param exerciseId the exerciseID to the corresponding QuizExercise
 * @param quizSubmission the submission which should be saved
 * @param userLogin the login of the user who has initiated the request
 * @param submitted whether the user has pressed the submit button or not
 *
 * @return the updated quiz submission object
 * @throws QuizSubmissionException handles errors, e.g. when the live quiz has already ended, or when the quiz was already submitted before
 */
public QuizSubmission saveSubmissionForLiveMode(Long exerciseId, QuizSubmission quizSubmission, String userLogin, boolean submitted) throws QuizSubmissionException {
    // TODO: what happens if a user executes this call twice in the same moment (using 2 threads)
    String logText = submitted ? "submit quiz in live mode:" : "save quiz in live mode:";
    long start = System.nanoTime();
    checkSubmissionForLiveModeOrThrow(exerciseId, userLogin, logText, start);
    // recreate pointers back to submission in each submitted answer
    for (SubmittedAnswer submittedAnswer : quizSubmission.getSubmittedAnswers()) {
        submittedAnswer.setSubmission(quizSubmission);
    }
    // set submission date
    quizSubmission.setSubmissionDate(ZonedDateTime.now());
    // save submission to HashMap
    quizScheduleService.updateSubmission(exerciseId, userLogin, quizSubmission);
    log.info("{} Saved quiz submission for user {} in quiz {} after {} µs ", logText, userLogin, exerciseId, (System.nanoTime() - start) / 1000);
    return quizSubmission;
}

Example 9 with QuizSubmission

use of de.tum.in.www1.artemis.domain.quiz.QuizSubmission in project ArTEMiS by ls1intum.

the class QuizScheduleService method removeUnnecessaryObjectsBeforeSendingToClient.

private void removeUnnecessaryObjectsBeforeSendingToClient(StudentParticipation participation) {
    if (participation.getExercise() != null) {
        var quizExercise = (QuizExercise) participation.getExercise();
        // we do not need the course and lectures
        quizExercise.setCourse(null);
    // students should not see statistics
    // TODO: this would be useful, but leads to problems when the quiz schedule service wants to access the statistics again later on
    // quizExercise.setQuizPointStatistic(null);
    // quizExercise.getQuizQuestions().forEach(quizQuestion -> quizQuestion.setQuizQuestionStatistic(null));
    }
    // submissions are part of results, so we do not need them twice
    participation.setSubmissions(null);
    participation.setParticipant(null);
    if (participation.getResults() != null && !participation.getResults().isEmpty()) {
        QuizSubmission quizSubmission = (QuizSubmission) participation.getResults().iterator().next().getSubmission();
        if (quizSubmission != null && quizSubmission.getSubmittedAnswers() != null) {
            for (SubmittedAnswer submittedAnswer : quizSubmission.getSubmittedAnswers()) {
                if (submittedAnswer.getQuizQuestion() != null) {
                    // we do not need all information of the questions again, they are already stored in the exercise
                    var question = submittedAnswer.getQuizQuestion();
                    submittedAnswer.setQuizQuestion(question.copyQuestionId());
                }
            }
        }
    }
}

Example 10 with QuizSubmission

use of de.tum.in.www1.artemis.domain.quiz.QuizSubmission in project ArTEMiS by ls1intum.

the class QuizScheduleService method processCachedQuizSubmissions.

/**
 * // @formatter:off
 * 1. Check cached submissions for new submissions with “isSubmitted() == true”
 *      a. Process each Submission (set submissionType to “SubmissionType.MANUAL”) and create Participation and Result and save them to Database (DB WRITE)
 *      b. Remove processed Submissions from SubmissionHashMap and write Participation with Result into ParticipationHashMap and write Result into ResultHashMap
 * 2. If Quiz has ended:
 *      a. Process all cached Submissions that belong to this quiz i. set “isSubmitted” to “true” and submissionType to “SubmissionType.TIMEOUT”
 *          ii. Create Participation and Result and save to Database (DB WRITE)
 *          iii. Remove processed Submissions from cache and write the Participations with Result and the Results into the cache
 *      b. Send out cached Participations (including QuizExercise and Result) from to each participant and remove them from the cache (WEBSOCKET SEND)
 * 3. Update Statistics with Results from ResultHashMap (DB READ and DB WRITE) and remove from cache
 * 4. Send out new Statistics to instructors (WEBSOCKET SEND)
 */
public void processCachedQuizSubmissions() {
    log.debug("Process cached quiz submissions");
    // global try-catch for error logging
    try {
        for (QuizExerciseCache cachedQuiz : quizCache.getAllQuizExerciseCaches()) {
            // this way near cache is used (values will deserialize new objects)
            Long quizExerciseId = cachedQuiz.getExerciseId();
            // Get fresh QuizExercise from DB
            QuizExercise quizExercise = quizExerciseRepository.findOne(quizExerciseId);
            // check if quiz has been deleted
            if (quizExercise == null) {
                log.debug("Remove quiz {} from resultHashMap", quizExerciseId);
                quizCache.removeAndClear(quizExerciseId);
                continue;
            }
            // Update cached exercise object (use the expensive operation upfront)
            quizExercise = quizExerciseRepository.findByIdWithQuestionsAndStatisticsElseThrow(quizExerciseId);
            Map<Long, QuizBatch> batchCache = quizExercise.getQuizBatches().stream().collect(Collectors.toUnmodifiableMap(QuizBatch::getId, batch -> batch));
            // this is required to ensure that students cannot gain extra attempts this way
            for (var batch : cachedQuiz.getBatches().entrySet()) {
                if (batchCache.get(batch.getValue()).isEnded()) {
                    cachedQuiz.getSubmissions().putIfAbsent(batch.getKey(), new QuizSubmission());
                }
            }
            // (Boolean wrapper is safe to auto-unbox here)
            boolean hasEnded = quizExercise.isQuizEnded();
            // Note that those might not be true later on due to concurrency and a distributed system,
            // do not rely on that for actions upon the whole set, such as clear()
            boolean hasNewSubmissions = !cachedQuiz.getSubmissions().isEmpty();
            boolean hasNewParticipations = !cachedQuiz.getParticipations().isEmpty();
            boolean hasNewResults = !cachedQuiz.getResults().isEmpty();
            // Skip quizzes with no cached changes
            if (!hasNewSubmissions && !hasNewParticipations && !hasNewResults) {
                // Remove quiz if it has ended
                if (hasEnded) {
                    removeCachedQuiz(cachedQuiz);
                }
                continue;
            }
            // Save cached Submissions (this will also generate results and participations and place them in the cache)
            long start = System.nanoTime();
            if (hasNewSubmissions) {
                // Create Participations and Results if the submission was submitted or if the quiz has ended and save them to Database (DB Write)
                Map<String, QuizSubmission> submissions = cachedQuiz.getSubmissions();
                Map<String, Long> batches = cachedQuiz.getBatches();
                // This call will remove the processed Submission map entries itself
                int numberOfSubmittedSubmissions = saveQuizSubmissionWithParticipationAndResultToDatabase(quizExercise, submissions, batches, batchCache);
                // .. and likely generate new participations and results
                if (numberOfSubmittedSubmissions > 0) {
                    // .. so we set the boolean variables here again if some were submitted
                    hasNewParticipations = true;
                    hasNewResults = true;
                    log.info("Saved {} submissions to database in {} in quiz {}", numberOfSubmittedSubmissions, formatDurationFrom(start), quizExercise.getTitle());
                }
            }
            // Send out Participations from ParticipationHashMap to each user if the quiz has ended
            start = System.nanoTime();
            if (hasNewParticipations && hasEnded) {
                // Send the participation with containing result and quiz back to the users via websocket and remove the participation from the ParticipationHashMap
                Collection<Entry<String, StudentParticipation>> finishedParticipations = cachedQuiz.getParticipations().entrySet();
                // TODO maybe find a better way to optimize the performance (use an executor service with e.g. X parallel threads)
                finishedParticipations.parallelStream().forEach(entry -> {
                    StudentParticipation participation = entry.getValue();
                    if (participation.getParticipant() == null || participation.getParticipantIdentifier() == null) {
                        log.error("Participation is missing student (or student is missing username): {}", participation);
                    } else {
                        sendQuizResultToUser(quizExerciseId, participation);
                        cachedQuiz.getParticipations().remove(entry.getKey());
                    }
                });
                if (!finishedParticipations.isEmpty()) {
                    log.info("Sent out {} participations in {} for quiz {}", finishedParticipations.size(), formatDurationFrom(start), quizExercise.getTitle());
                }
            }
            // Update Statistics with Results (DB Read and DB Write) and remove the results from the cache
            start = System.nanoTime();
            if (hasNewResults) {
                // Fetch a new quiz exercise here including deeper attribute paths (this is relatively expensive, so we only do that if necessary)
                try {
                    // Get a Set because QuizStatisticService needs one (currently)
                    Set<Result> newResultsForQuiz = Set.copyOf(cachedQuiz.getResults().values());
                    // Update the statistics
                    quizStatisticService.updateStatistics(newResultsForQuiz, quizExercise);
                    log.info("Updated statistics with {} new results in {} for quiz {}", newResultsForQuiz.size(), formatDurationFrom(start), quizExercise.getTitle());
                    // Remove only processed results
                    for (Result result : newResultsForQuiz) {
                        cachedQuiz.getResults().remove(result.getId());
                    }
                } catch (Exception e) {
                    log.error("Exception in StatisticService.updateStatistics(): {}", e.getMessage(), e);
                }
            }
        }
    } catch (Exception e) {
        log.error("Exception in Quiz Schedule: {}", e.getMessage(), e);
    }
}