Examples with Base64Input org.olat.ims.qti21.ui.ResponseInput.Base64Input used on opensource projects

Example 1 with Base64Input

use of org.olat.ims.qti21.ui.ResponseInput.Base64Input in project openolat by klemens.

the class AbstractQtiWorksController method extractStringResponseData.

protected Map<Identifier, ResponseInput> extractStringResponseData() {
    final Map<Identifier, ResponseInput> responseMap = new HashMap<>();
    final Set<String> parameterNames = mainForm.getRequestParameterSet();
    for (final String name : parameterNames) {
        if (name.startsWith("qtiworks_presented_")) {
            final String responseIdentifierString = name.substring("qtiworks_presented_".length());
            final Identifier responseIdentifier;
            try {
                responseIdentifier = getResponseIdentifierFromUniqueId(responseIdentifierString);
            // responseIdentifier = Identifier.parseString(responseIdentifierString);
            } catch (final QtiParseException e) {
                // throw new BadResponseWebPayloadException("Bad response identifier encoded in parameter  " + name, e);
                throw new RuntimeException("Bad response identifier encoded in parameter  " + name, e);
            }
            String[] responseBase64Values = mainForm.getRequestParameterValues("qtiworks_response_64_" + responseIdentifierString);
            if (responseBase64Values != null && responseBase64Values.length == 1) {
                // only used from drawing interaction as image/png
                String responseData = responseBase64Values[0];
                if (responseData.startsWith(PNG_BASE64_PREFIX)) {
                    byte[] file = Base64.decodeBase64(responseData.substring(PNG_BASE64_PREFIX.length(), responseData.length()));
                    final Base64Input stringResponseData = new Base64Input("image/png", file);
                    responseMap.put(responseIdentifier, stringResponseData);
                }
            } else {
                final String[] responseValues = mainForm.getRequestParameterValues("qtiworks_response_" + responseIdentifierString);
                if (responseValues != null && responseValues.length > 0) {
                    for (int i = responseValues.length; i-- > 0; ) {
                        responseValues[i] = FilterFactory.getXMLValidCharacterFilter().filter(responseValues[i]);
                    }
                }
                final StringInput stringResponseData = new StringInput(responseValues);
                responseMap.put(responseIdentifier, stringResponseData);
            }
        }
    }
    return responseMap;
}

Example 2 with Base64Input

use of org.olat.ims.qti21.ui.ResponseInput.Base64Input in project openolat by klemens.

the class AssessmentTestDisplayController method handleResponse.

// public CandidateSession handleResponses(final CandidateSessionContext candidateSessionContext,
// final Map<Identifier, StringResponseData> stringResponseMap,
// final Map<Identifier, MultipartFile> fileResponseMap,
// final String candidateComment)
private void handleResponse(UserRequest ureq, Map<Identifier, ResponseInput> stringResponseMap, Map<Identifier, ResponseInput> fileResponseMap, String candidateComment) {
    NotificationRecorder notificationRecorder = new NotificationRecorder(NotificationLevel.INFO);
    TestSessionState testSessionState = testSessionController.getTestSessionState();
    TestPlanNodeKey currentItemKey = testSessionState.getCurrentItemKey();
    if (currentItemKey == null && getLastEvent() != null && getLastEvent().getTestEventType() == CandidateTestEventType.REVIEW_ITEM) {
        // someone try to send the form in review with tab / return
        return;
    }
    if (!qtiWorksCtrl.validatePresentedItem(currentItemKey)) {
        logError("Response send by browser doesn't match current item key", null);
        ServletUtil.printOutRequestParameters(ureq.getHttpReq());
        if (candidateSession != null && candidateSession.getFinishTime() != null) {
            showWarning("error.test.closed");
        } else {
            showWarning("error.reload.question");
        }
        // this is not the right node in the plan
        return;
    }
    final Map<Identifier, File> fileSubmissionMap = new HashMap<>();
    final Map<Identifier, ResponseData> responseDataMap = new HashMap<>();
    if (stringResponseMap != null) {
        for (final Entry<Identifier, ResponseInput> responseEntry : stringResponseMap.entrySet()) {
            final Identifier identifier = responseEntry.getKey();
            final ResponseInput responseData = responseEntry.getValue();
            if (responseData instanceof StringInput) {
                responseDataMap.put(identifier, new StringResponseData(((StringInput) responseData).getResponseData()));
            } else if (responseData instanceof Base64Input) {
                // only used from drawing interaction
                Base64Input fileInput = (Base64Input) responseData;
                String filename = "submitted_image.png";
                File storedFile = qtiService.importFileSubmission(candidateSession, filename, fileInput.getResponseData());
                responseDataMap.put(identifier, new FileResponseData(storedFile, fileInput.getContentType(), storedFile.getName()));
                fileSubmissionMap.put(identifier, storedFile);
            } else if (responseData instanceof FileInput) {
                FileInput fileInput = (FileInput) responseData;
                File storedFile = qtiService.importFileSubmission(candidateSession, fileInput.getMultipartFileInfos());
                responseDataMap.put(identifier, new FileResponseData(storedFile, fileInput.getContentType(), storedFile.getName()));
                fileSubmissionMap.put(identifier, storedFile);
            }
        }
    }
    ParentPartItemRefs parentParts = getParentSection(currentItemKey);
    String assessmentItemIdentifier = currentItemKey.getIdentifier().toString();
    AssessmentItemSession itemSession = qtiService.getOrCreateAssessmentItemSession(candidateSession, parentParts, assessmentItemIdentifier);
    if (fileResponseMap != null) {
        for (Entry<Identifier, ResponseInput> fileResponseEntry : fileResponseMap.entrySet()) {
            Identifier identifier = fileResponseEntry.getKey();
            FileInput multipartFile = (FileInput) fileResponseEntry.getValue();
            if (!multipartFile.isEmpty()) {
                File storedFile = qtiService.importFileSubmission(candidateSession, multipartFile.getMultipartFileInfos());
                responseDataMap.put(identifier, new FileResponseData(storedFile, multipartFile.getContentType(), storedFile.getName()));
                fileSubmissionMap.put(identifier, storedFile);
            }
        }
    }
    Map<Identifier, AssessmentResponse> candidateResponseMap = qtiService.getAssessmentResponses(itemSession);
    for (Entry<Identifier, ResponseData> responseEntry : responseDataMap.entrySet()) {
        Identifier responseIdentifier = responseEntry.getKey();
        ResponseData responseData = responseEntry.getValue();
        AssessmentResponse candidateItemResponse;
        if (candidateResponseMap.containsKey(responseIdentifier)) {
            candidateItemResponse = candidateResponseMap.get(responseIdentifier);
        } else {
            candidateItemResponse = qtiService.createAssessmentResponse(candidateSession, itemSession, responseIdentifier.toString(), ResponseLegality.VALID, responseData.getType());
        }
        switch(responseData.getType()) {
            case STRING:
                {
                    List<String> data = ((StringResponseData) responseData).getResponseData();
                    String stringuifiedResponse = ResponseFormater.format(data);
                    candidateItemResponse.setStringuifiedResponse(stringuifiedResponse);
                    break;
                }
            case FILE:
                {
                    if (fileSubmissionMap.get(responseIdentifier) != null) {
                        File storedFile = fileSubmissionMap.get(responseIdentifier);
                        candidateItemResponse.setStringuifiedResponse(storedFile.getName());
                    }
                    break;
                }
            default:
                throw new OLATRuntimeException("Unexpected switch case: " + responseData.getType());
        }
        candidateResponseMap.put(responseIdentifier, candidateItemResponse);
    }
    boolean allResponsesValid = true;
    boolean allResponsesBound = true;
    final Date timestamp = ureq.getRequestTimestamp();
    if (candidateComment != null) {
        testSessionController.setCandidateCommentForCurrentItem(timestamp, candidateComment);
    }
    /* Attempt to bind responses (and maybe perform RP & OP) */
    testSessionController.handleResponsesToCurrentItem(timestamp, responseDataMap);
    /* Classify this event */
    final SubmissionMode submissionMode = testSessionController.getCurrentTestPart().getSubmissionMode();
    final CandidateItemEventType candidateItemEventType;
    if (allResponsesValid) {
        candidateItemEventType = submissionMode == SubmissionMode.INDIVIDUAL ? CandidateItemEventType.ATTEMPT_VALID : CandidateItemEventType.RESPONSE_VALID;
    } else {
        candidateItemEventType = allResponsesBound ? CandidateItemEventType.RESPONSE_INVALID : CandidateItemEventType.RESPONSE_BAD;
    }
    /* Record resulting event */
    final CandidateEvent candidateEvent = qtiService.recordCandidateTestEvent(candidateSession, testEntry, entry, CandidateTestEventType.ITEM_EVENT, candidateItemEventType, currentItemKey, testSessionState, notificationRecorder);
    candidateAuditLogger.logCandidateEvent(candidateEvent, candidateResponseMap);
    this.lastEvent = candidateEvent;
    /* Record current result state */
    AssessmentResult assessmentResult = computeAndRecordTestAssessmentResult(timestamp, testSessionState, false);
    ItemSessionState itemSessionState = testSessionState.getCurrentItemSessionState();
    long itemDuration = itemSessionState.getDurationAccumulated();
    itemSession.setDuration(itemDuration);
    ItemResult itemResult = assessmentResult.getItemResult(assessmentItemIdentifier);
    collectOutcomeVariablesForItemSession(itemResult, itemSession);
    /* Persist CandidateResponse entities */
    qtiService.recordTestAssessmentResponses(itemSession, candidateResponseMap.values());
    /* Save any change to session state */
    candidateSession = qtiService.updateAssessmentTestSession(candidateSession);
    addToHistory(ureq, this);
    checkConcurrentExit(ureq);
}

Example 3 with Base64Input

use of org.olat.ims.qti21.ui.ResponseInput.Base64Input in project OpenOLAT by OpenOLAT.

the class AbstractQtiWorksController method extractStringResponseData.

protected Map<Identifier, ResponseInput> extractStringResponseData() {
    final Map<Identifier, ResponseInput> responseMap = new HashMap<>();
    final Set<String> parameterNames = mainForm.getRequestParameterSet();
    for (final String name : parameterNames) {
        if (name.startsWith("qtiworks_presented_")) {
            final String responseIdentifierString = name.substring("qtiworks_presented_".length());
            final Identifier responseIdentifier;
            try {
                responseIdentifier = getResponseIdentifierFromUniqueId(responseIdentifierString);
            // responseIdentifier = Identifier.parseString(responseIdentifierString);
            } catch (final QtiParseException e) {
                // throw new BadResponseWebPayloadException("Bad response identifier encoded in parameter  " + name, e);
                throw new RuntimeException("Bad response identifier encoded in parameter  " + name, e);
            }
            String[] responseBase64Values = mainForm.getRequestParameterValues("qtiworks_response_64_" + responseIdentifierString);
            if (responseBase64Values != null && responseBase64Values.length == 1) {
                // only used from drawing interaction as image/png
                String responseData = responseBase64Values[0];
                if (responseData.startsWith(PNG_BASE64_PREFIX)) {
                    byte[] file = Base64.decodeBase64(responseData.substring(PNG_BASE64_PREFIX.length(), responseData.length()));
                    final Base64Input stringResponseData = new Base64Input("image/png", file);
                    responseMap.put(responseIdentifier, stringResponseData);
                }
            } else {
                final String[] responseValues = mainForm.getRequestParameterValues("qtiworks_response_" + responseIdentifierString);
                if (responseValues != null && responseValues.length > 0) {
                    for (int i = responseValues.length; i-- > 0; ) {
                        responseValues[i] = FilterFactory.getXMLValidCharacterFilter().filter(responseValues[i]);
                    }
                }
                final StringInput stringResponseData = new StringInput(responseValues);
                responseMap.put(responseIdentifier, stringResponseData);
            }
        }
    }
    return responseMap;
}

Example 4 with Base64Input

use of org.olat.ims.qti21.ui.ResponseInput.Base64Input in project OpenOLAT by OpenOLAT.

the class AssessmentItemDisplayController method handleResponses.

public void handleResponses(UserRequest ureq, Map<Identifier, ResponseInput> stringResponseMap, Map<Identifier, ResponseInput> fileResponseMap, String candidateComment) {
    /* Retrieve current JQTI state and set up JQTI controller */
    NotificationRecorder notificationRecorder = new NotificationRecorder(NotificationLevel.INFO);
    ItemSessionState itemSessionState = itemSessionController.getItemSessionState();
    /* Make sure an attempt is allowed */
    if (itemSessionState.isEnded()) {
        candidateAuditLogger.logAndThrowCandidateException(candidateSession, CandidateExceptionReason.RESPONSES_NOT_EXPECTED, null);
        logError("RESPONSES_NOT_EXPECTED", null);
        return;
    }
    /* Build response map in required format for JQTI+.
		 * NB: The following doesn't test for duplicate keys in the two maps. I'm not sure
		 * it's worth the effort.
		 */
    final Map<Identifier, ResponseData> responseDataMap = new HashMap<>();
    // final Map<Identifier, CandidateFileSubmission> fileSubmissionMap = new HashMap<>();
    final Map<Identifier, AssessmentResponse> assessmentResponseDataMap = new HashMap<>();
    if (stringResponseMap != null) {
        for (final Entry<Identifier, ResponseInput> stringResponseEntry : stringResponseMap.entrySet()) {
            Identifier identifier = stringResponseEntry.getKey();
            ResponseInput responseData = stringResponseEntry.getValue();
            if (responseData instanceof StringInput) {
                responseDataMap.put(identifier, new StringResponseData(((StringInput) responseData).getResponseData()));
            } else if (responseData instanceof Base64Input) {
            // TODO
            } else if (responseData instanceof FileInput) {
            }
        }
    }
    if (fileResponseMap != null) {
        for (final Entry<Identifier, ResponseInput> fileResponseEntry : fileResponseMap.entrySet()) {
            final Identifier identifier = fileResponseEntry.getKey();
            final FileInput multipartFile = (FileInput) fileResponseEntry.getValue();
            if (!multipartFile.isEmpty()) {
                // final CandidateFileSubmission fileSubmission = candidateUploadService.importFileSubmission(candidateSession, multipartFile);
                File storedFile = qtiService.importFileSubmission(candidateSession, multipartFile.getMultipartFileInfos());
                final FileResponseData fileResponseData = new FileResponseData(storedFile, multipartFile.getContentType(), multipartFile.getFileName());
                responseDataMap.put(identifier, fileResponseData);
                assessmentResponseDataMap.put(identifier, new AssessmentResponseData(identifier, fileResponseData));
            // fileSubmissionMap.put(identifier, fileSubmission);
            }
        }
    }
    /* Submit comment (if provided)
		 * NB: Do this first in case next actions end the item session.
		 */
    final Date timestamp = ureq.getRequestTimestamp();
    if (candidateComment != null) {
        try {
            itemSessionController.setCandidateComment(timestamp, candidateComment);
        } catch (final QtiCandidateStateException e) {
            candidateAuditLogger.logAndThrowCandidateException(candidateSession, CandidateExceptionReason.CANDIDATE_COMMENT_FORBIDDEN, e);
            logError("CANDIDATE_COMMENT_FORBIDDEN", null);
            return;
        } catch (final RuntimeException e) {
            logError("", e);
            // handleExplosion(e, candidateSession);
            return;
        }
    }
    /* Attempt to bind responses */
    boolean allResponsesValid = false, allResponsesBound = false;
    try {
        itemSessionController.bindResponses(timestamp, responseDataMap);
        /* Note any responses that failed to bind */
        final Set<Identifier> badResponseIdentifiers = itemSessionState.getUnboundResponseIdentifiers();
        allResponsesBound = badResponseIdentifiers.isEmpty();
        /* Now validate the responses according to any constraints specified by the interactions */
        if (allResponsesBound) {
            final Set<Identifier> invalidResponseIdentifiers = itemSessionState.getInvalidResponseIdentifiers();
            allResponsesValid = invalidResponseIdentifiers.isEmpty();
        }
        /* (We commit responses immediately here) */
        itemSessionController.commitResponses(timestamp);
        /* Invoke response processing (only if responses are valid) */
        if (allResponsesValid) {
            itemSessionController.performResponseProcessing(timestamp);
        }
    } catch (final QtiCandidateStateException e) {
        candidateAuditLogger.logAndThrowCandidateException(candidateSession, CandidateExceptionReason.RESPONSES_NOT_EXPECTED, null);
        logError("RESPONSES_NOT_EXPECTED", e);
        return;
    } catch (final RuntimeException e) {
        logError("", e);
        // handleExplosion(e, candidateSession);
        return;
    }
    /* Record resulting attempt and event */
    final CandidateItemEventType eventType = allResponsesBound ? (allResponsesValid ? CandidateItemEventType.ATTEMPT_VALID : CandidateItemEventType.RESPONSE_INVALID) : CandidateItemEventType.RESPONSE_BAD;
    final CandidateEvent candidateEvent = qtiService.recordCandidateItemEvent(candidateSession, null, entry, eventType, itemSessionState, notificationRecorder);
    candidateAuditLogger.logCandidateEvent(candidateEvent, assessmentResponseDataMap);
    lastEvent = candidateEvent;
    /* Record current result state, or finish session */
    updateSessionFinishedStatus(ureq);
}

Example 5 with Base64Input

use of org.olat.ims.qti21.ui.ResponseInput.Base64Input in project OpenOLAT by OpenOLAT.

the class AssessmentTestDisplayController method handleResponse.

// public CandidateSession handleResponses(final CandidateSessionContext candidateSessionContext,
// final Map<Identifier, StringResponseData> stringResponseMap,
// final Map<Identifier, MultipartFile> fileResponseMap,
// final String candidateComment)
private void handleResponse(UserRequest ureq, Map<Identifier, ResponseInput> stringResponseMap, Map<Identifier, ResponseInput> fileResponseMap, String candidateComment) {
    NotificationRecorder notificationRecorder = new NotificationRecorder(NotificationLevel.INFO);
    TestSessionState testSessionState = testSessionController.getTestSessionState();
    TestPlanNodeKey currentItemKey = testSessionState.getCurrentItemKey();
    if (currentItemKey == null && getLastEvent() != null && getLastEvent().getTestEventType() == CandidateTestEventType.REVIEW_ITEM) {
        // someone try to send the form in review with tab / return
        return;
    }
    if (!qtiWorksCtrl.validatePresentedItem(currentItemKey)) {
        logError("Response send by browser doesn't match current item key", null);
        ServletUtil.printOutRequestParameters(ureq.getHttpReq());
        if (candidateSession != null && candidateSession.getFinishTime() != null) {
            showWarning("error.test.closed");
        } else {
            showWarning("error.reload.question");
        }
        // this is not the right node in the plan
        return;
    }
    final Map<Identifier, File> fileSubmissionMap = new HashMap<>();
    final Map<Identifier, ResponseData> responseDataMap = new HashMap<>();
    if (stringResponseMap != null) {
        for (final Entry<Identifier, ResponseInput> responseEntry : stringResponseMap.entrySet()) {
            final Identifier identifier = responseEntry.getKey();
            final ResponseInput responseData = responseEntry.getValue();
            if (responseData instanceof StringInput) {
                responseDataMap.put(identifier, new StringResponseData(((StringInput) responseData).getResponseData()));
            } else if (responseData instanceof Base64Input) {
                // only used from drawing interaction
                Base64Input fileInput = (Base64Input) responseData;
                String filename = "submitted_image.png";
                File storedFile = qtiService.importFileSubmission(candidateSession, filename, fileInput.getResponseData());
                responseDataMap.put(identifier, new FileResponseData(storedFile, fileInput.getContentType(), storedFile.getName()));
                fileSubmissionMap.put(identifier, storedFile);
            } else if (responseData instanceof FileInput) {
                FileInput fileInput = (FileInput) responseData;
                File storedFile = qtiService.importFileSubmission(candidateSession, fileInput.getMultipartFileInfos());
                responseDataMap.put(identifier, new FileResponseData(storedFile, fileInput.getContentType(), storedFile.getName()));
                fileSubmissionMap.put(identifier, storedFile);
            }
        }
    }
    ParentPartItemRefs parentParts = getParentSection(currentItemKey);
    String assessmentItemIdentifier = currentItemKey.getIdentifier().toString();
    AssessmentItemSession itemSession = qtiService.getOrCreateAssessmentItemSession(candidateSession, parentParts, assessmentItemIdentifier);
    if (fileResponseMap != null) {
        for (Entry<Identifier, ResponseInput> fileResponseEntry : fileResponseMap.entrySet()) {
            Identifier identifier = fileResponseEntry.getKey();
            FileInput multipartFile = (FileInput) fileResponseEntry.getValue();
            if (!multipartFile.isEmpty()) {
                File storedFile = qtiService.importFileSubmission(candidateSession, multipartFile.getMultipartFileInfos());
                responseDataMap.put(identifier, new FileResponseData(storedFile, multipartFile.getContentType(), storedFile.getName()));
                fileSubmissionMap.put(identifier, storedFile);
            }
        }
    }
    Map<Identifier, AssessmentResponse> candidateResponseMap = qtiService.getAssessmentResponses(itemSession);
    for (Entry<Identifier, ResponseData> responseEntry : responseDataMap.entrySet()) {
        Identifier responseIdentifier = responseEntry.getKey();
        ResponseData responseData = responseEntry.getValue();
        AssessmentResponse candidateItemResponse;
        if (candidateResponseMap.containsKey(responseIdentifier)) {
            candidateItemResponse = candidateResponseMap.get(responseIdentifier);
        } else {
            candidateItemResponse = qtiService.createAssessmentResponse(candidateSession, itemSession, responseIdentifier.toString(), ResponseLegality.VALID, responseData.getType());
        }
        switch(responseData.getType()) {
            case STRING:
                {
                    List<String> data = ((StringResponseData) responseData).getResponseData();
                    String stringuifiedResponse = ResponseFormater.format(data);
                    candidateItemResponse.setStringuifiedResponse(stringuifiedResponse);
                    break;
                }
            case FILE:
                {
                    if (fileSubmissionMap.get(responseIdentifier) != null) {
                        File storedFile = fileSubmissionMap.get(responseIdentifier);
                        candidateItemResponse.setStringuifiedResponse(storedFile.getName());
                    }
                    break;
                }
            default:
                throw new OLATRuntimeException("Unexpected switch case: " + responseData.getType());
        }
        candidateResponseMap.put(responseIdentifier, candidateItemResponse);
    }
    boolean allResponsesValid = true;
    boolean allResponsesBound = true;
    final Date timestamp = ureq.getRequestTimestamp();
    if (candidateComment != null) {
        testSessionController.setCandidateCommentForCurrentItem(timestamp, candidateComment);
    }
    /* Attempt to bind responses (and maybe perform RP & OP) */
    testSessionController.handleResponsesToCurrentItem(timestamp, responseDataMap);
    /* Classify this event */
    final SubmissionMode submissionMode = testSessionController.getCurrentTestPart().getSubmissionMode();
    final CandidateItemEventType candidateItemEventType;
    if (allResponsesValid) {
        candidateItemEventType = submissionMode == SubmissionMode.INDIVIDUAL ? CandidateItemEventType.ATTEMPT_VALID : CandidateItemEventType.RESPONSE_VALID;
    } else {
        candidateItemEventType = allResponsesBound ? CandidateItemEventType.RESPONSE_INVALID : CandidateItemEventType.RESPONSE_BAD;
    }
    /* Record resulting event */
    final CandidateEvent candidateEvent = qtiService.recordCandidateTestEvent(candidateSession, testEntry, entry, CandidateTestEventType.ITEM_EVENT, candidateItemEventType, currentItemKey, testSessionState, notificationRecorder);
    candidateAuditLogger.logCandidateEvent(candidateEvent, candidateResponseMap);
    this.lastEvent = candidateEvent;
    /* Record current result state */
    AssessmentResult assessmentResult = computeAndRecordTestAssessmentResult(timestamp, testSessionState, false);
    ItemSessionState itemSessionState = testSessionState.getCurrentItemSessionState();
    long itemDuration = itemSessionState.getDurationAccumulated();
    itemSession.setDuration(itemDuration);
    ItemResult itemResult = assessmentResult.getItemResult(assessmentItemIdentifier);
    collectOutcomeVariablesForItemSession(itemResult, itemSession);
    /* Persist CandidateResponse entities */
    qtiService.recordTestAssessmentResponses(itemSession, candidateResponseMap.values());
    /* Save any change to session state */
    candidateSession = qtiService.updateAssessmentTestSession(candidateSession);
    addToHistory(ureq, this);
    checkConcurrentExit(ureq);
}