private File getSessionStateFile(final CandidateEvent candidateEvent) {
final CandidateSession candidateSession = candidateEvent.getCandidateSession();
final AssessmentObjectType assessmentType =
candidateSession.getDelivery().getAssessment().getAssessmentType();
final String stateFileBaseName =
assessmentType == AssessmentObjectType.ASSESSMENT_ITEM
? "itemSessionState"
: "testSessionState";
final File sessionFolder = filespaceManager.obtainCandidateSessionStateStore(candidateSession);
final String stateFileName = stateFileBaseName + candidateEvent.getId() + ".xml";
return new File(sessionFolder, stateFileName);
}
public AssessmentResult computeTestAssessmentResult(
final CandidateSession candidateSession, final TestSessionController testSessionController) {
final URI sessionIdentifierSourceId = URI.create(qtiWorksDeploymentSettings.getBaseUrl());
final String sessionIdentifier = "testsession/" + candidateSession.getId();
return testSessionController.computeAssessmentResult(
requestTimestampContext.getCurrentRequestTimestamp(),
sessionIdentifier,
sessionIdentifierSourceId);
}
/**
* Wraps the given {@link ItemSessionState} in a {@link ItemSessionController}.
*
* <p>It is assumed that the item was runnable, so this will never return null.
*/
public ItemSessionController createItemSessionController(
final CandidateSession candidateSession,
final ItemSessionState itemSessionState,
final NotificationRecorder notificationRecorder) {
final User candidate = candidateSession.getCandidate();
final Delivery delivery = candidateSession.getDelivery();
ensureItemDelivery(delivery);
Assert.notNull(itemSessionState, "itemSessionState");
/* Try to resolve the underlying JQTI+ object */
final AssessmentPackage assessmentPackage =
assessmentDataService.ensureSelectedAssessmentPackage(delivery);
final ItemProcessingMap itemProcessingMap =
assessmentObjectManagementService.getItemProcessingMap(assessmentPackage);
if (itemProcessingMap == null) {
throw new QtiWorksLogicException("Expected this item to be runnable");
}
/* Create config for ItemSessionController */
final ItemDeliverySettings itemDeliverySettings =
(ItemDeliverySettings)
assessmentDataService.getEffectiveDeliverySettings(candidate, delivery);
final ItemSessionControllerSettings itemSessionControllerSettings =
new ItemSessionControllerSettings();
itemSessionControllerSettings.setTemplateProcessingLimit(
computeTemplateProcessingLimit(itemDeliverySettings));
itemSessionControllerSettings.setMaxAttempts(itemDeliverySettings.getMaxAttempts());
/* Create controller and wire up notification recorder (if passed) */
final ItemSessionController result =
new ItemSessionController(
jqtiExtensionManager,
itemSessionControllerSettings,
itemProcessingMap,
itemSessionState);
if (notificationRecorder != null) {
result.addNotificationListener(notificationRecorder);
}
return result;
}
/**
* Wraps the given {@link TestSessionState} in a {@link TestSessionController}.
*
* <p>It is assumed that the test was runnable, so this will never return null.
*/
public TestSessionController createTestSessionController(
final CandidateSession candidateSession,
final TestSessionState testSessionState,
final NotificationRecorder notificationRecorder) {
final User candidate = candidateSession.getCandidate();
final Delivery delivery = candidateSession.getDelivery();
ensureTestDelivery(delivery);
Assert.notNull(testSessionState, "testSessionState");
/* Try to resolve the underlying JQTI+ object */
final AssessmentPackage assessmentPackage =
assessmentDataService.ensureSelectedAssessmentPackage(delivery);
final TestProcessingMap testProcessingMap =
assessmentObjectManagementService.getTestProcessingMap(assessmentPackage);
if (testProcessingMap == null) {
return null;
}
/* Create config for TestSessionController */
final TestDeliverySettings testDeliverySettings =
(TestDeliverySettings)
assessmentDataService.getEffectiveDeliverySettings(candidate, delivery);
final TestSessionControllerSettings testSessionControllerSettings =
new TestSessionControllerSettings();
testSessionControllerSettings.setTemplateProcessingLimit(
computeTemplateProcessingLimit(testDeliverySettings));
/* Create controller and wire up notification recorder (if passed) */
final TestSessionController result =
new TestSessionController(
jqtiExtensionManager,
testSessionControllerSettings,
testProcessingMap,
testSessionState);
if (notificationRecorder != null) {
result.addNotificationListener(notificationRecorder);
}
return result;
}
/**
* Starts new {@link CandidateSession} for the given {@link User} on the given {@link Delivery}
*
* <p>NB: No checks are made on whether the {@link User} should be allowed to start a session on
* this {@link Delivery}.
*/
public CandidateSession launchCandidateSession(
final User candidate,
final Delivery delivery,
final boolean authorMode,
final String lisOutcomeServiceUrl,
final String lisResultSourcedid)
throws CandidateException {
Assert.notNull(candidate, "candidate");
Assert.notNull(delivery, "delivery");
/* Make sure Candidate's account is not disabled */
if (candidate.isLoginDisabled()) {
logAndThrowLaunchException(
candidate, delivery, CandidateExceptionReason.USER_ACCOUNT_DISABLED);
}
/* Make sure Delivery is runnable */
if (delivery.getAssessment() == null) {
logAndThrowLaunchException(
candidate, delivery, CandidateExceptionReason.LAUNCH_INCOMPLETE_DELIVERY);
}
/* If the candidate already has any non-terminated sessions open for this Delivery,
* then we shall reconnect to the (most recent) session instead of creating a new one.
*/
final List<CandidateSession> existingSessions =
candidateSessionDao.getNonTerminatedForDeliveryAndCandidate(delivery, candidate);
if (!existingSessions.isEmpty()) {
final CandidateSession mostRecent = existingSessions.get(existingSessions.size() - 1);
auditLogger.recordEvent(
"Reconnected to existing CandidateSession #"
+ mostRecent.getId()
+ " on Delivery #"
+ delivery.getId());
return mostRecent;
}
/* No existing session to reconnect to, so create a new session.
*
* (NB: The session will later need to be explicitly entered before anything can be done
* with it.)
*/
final CandidateSession candidateSession = new CandidateSession();
candidateSession.setLisOutcomeServiceUrl(lisOutcomeServiceUrl);
candidateSession.setLisResultSourcedid(lisResultSourcedid);
candidateSession.setCandidate(candidate);
candidateSession.setDelivery(delivery);
candidateSession.setAuthorMode(authorMode);
candidateSession.setFinishTime(null);
candidateSession.setTerminationTime(null);
candidateSession.setExploded(false);
candidateSessionDao.persist(candidateSession);
auditLogger.recordEvent(
"Created and initialised new CandidateSession #"
+ candidateSession.getId()
+ " on Delivery #"
+ delivery.getId());
return candidateSession;
}
