/**
* Attempt to process all the queued digest requests. Ones that cannot be processed now will be
* returned to the queue.
*/
protected void processQueue() {
M_log.debug("Processing mail digest queue...");
// setup a re-try queue
List retry = new Vector();
// grab the queue - any new stuff will be processed next time
List queue = new Vector();
synchronized (m_digestQueue) {
queue.addAll(m_digestQueue);
m_digestQueue.clear();
}
for (Iterator iQueue = queue.iterator(); iQueue.hasNext(); ) {
DigestMessage message = (DigestMessage) iQueue.next();
try {
DigestEdit edit = edit(message.getTo());
edit.add(message);
commit(edit);
// %%% could do this by pulling all for id from the queue in one commit -ggolden
} catch (InUseException e) {
M_log.warn("digest in use, will try send again at next digest attempt: " + e.getMessage());
// retry next time
retry.add(message);
}
}
// requeue the retrys
if (retry.size() > 0) {
synchronized (m_digestQueue) {
m_digestQueue.addAll(retry);
}
}
}
@Override
public void setDefaultPrivacyState(String userId, String visibility) {
if (userId == null) {
log.warn("Cannot set priavacy status for a null userId");
return;
}
if (visibility == null) {
visibility = PrivacyManager.VISIBLE;
}
PreferencesEdit editPref;
try {
editPref = preferencesService.edit(userId);
ResourcePropertiesEdit props = editPref.getPropertiesEdit(PRIVACY_PREFS);
props.addProperty(PrivacyManager.DEFAULT_PRIVACY_KEY, visibility);
preferencesService.commit(editPref);
} catch (PermissionException e) {
log.warn(
"You do not have the appropriate permissions to edit preferences for user: "******". "
+ e.getMessage());
} catch (InUseException e) {
log.warn(
"Preferences for user: "******" are currently being edited. " + e.getMessage());
} catch (IdUnusedException e) {
try {
editPref = preferencesService.add(userId);
ResourcePropertiesEdit props = editPref.getPropertiesEdit(PRIVACY_PREFS);
props.addProperty(PrivacyManager.DEFAULT_PRIVACY_KEY, visibility);
preferencesService.commit(editPref);
} catch (PermissionException e1) {
// TODO Auto-generated catch block
log.warn(
"You do not have the appropriate permissions to edit preferences for user: "******". "
+ e1.getMessage());
} catch (IdUsedException e1) {
log.warn(
"No preferences for user: "******" found intially, attempted to add new preferences. "
+ e1.getMessage());
}
}
}
public boolean updateScore(String submissionId) {
boolean saved = false;
SecurityAdvisor sa =
new SecurityAdvisor() {
public SecurityAdvice isAllowed(String userId, String function, String reference) {
if (AssignmentService.SECURE_GRADE_ASSIGNMENT_SUBMISSION.equals(function)
|| AssignmentService.SECURE_UPDATE_ASSIGNMENT.equals(function)
|| AssignmentService.SECURE_ACCESS_ASSIGNMENT.equals(function)
|| AssignmentService.SECURE_ACCESS_ASSIGNMENT_SUBMISSION.equals(function)) {
return SecurityAdvice.ALLOWED;
} else {
return SecurityAdvice.PASS;
}
}
};
try {
securityService.pushAdvisor(sa);
// first check that submission exists and that it can be graded/override score
AssignmentSubmission submission = assignmentService.getSubmission(submissionId);
// only override grades that have never been graded or was last graded by this service
// this prevents this service from overriding instructor set grades, which take precedent.
if (submission != null
&& (submission.getGraded() == false
|| submission.getGradedBy() == null
|| "".equals(submission.getGradedBy().trim())
|| AssignmentPeerAssessmentService.class
.getName()
.equals(submission.getGradedBy().trim()))) {
List<PeerAssessmentItem> items =
getPeerAssessmentItems(
submissionId, submission.getAssignment().getContent().getFactor());
if (items != null) {
// scores are stored w/o decimal points, so a score of 3.4 is stored as 34 in the DB
// add all the scores together and divide it by the number of scores added. Then round.
Integer totalScore = 0;
int denominator = 0;
for (PeerAssessmentItem item : items) {
if (!item.isRemoved() && item.getScore() != null) {
totalScore += item.getScore();
denominator++;
}
}
if (denominator > 0) {
totalScore = Math.round(totalScore / denominator);
} else {
totalScore = null;
}
String totleScoreStr = null;
if (totalScore != null) {
totleScoreStr = totalScore.toString();
}
boolean changed = false;
if ((totleScoreStr == null || "".equals(totleScoreStr))
&& (submission.getGrade() == null || "".equals(submission.getGrade()))) {
// scores are both null, nothing changed
} else if ((totleScoreStr != null && !"".equals(totleScoreStr))
&& (submission.getGrade() == null || "".equals(submission.getGrade()))) {
// one score changed, update
changed = true;
} else if ((totleScoreStr == null || "".equals(totleScoreStr))
&& (submission.getGrade() != null && !"".equals(submission.getGrade()))) {
// one score changed, update
changed = true;
} else if (!totleScoreStr.equals(submission.getGrade())) {
changed = true;
}
if (changed) {
AssignmentSubmissionEdit edit = assignmentService.editSubmission(submissionId);
edit.setGrade(totleScoreStr);
edit.setGraded(true);
edit.setGradedBy(AssignmentPeerAssessmentService.class.getName());
edit.setGradeReleased(false);
assignmentService.commitEdit(edit);
saved = true;
}
}
}
} catch (IdUnusedException e) {
log.error(e.getMessage(), e);
} catch (InUseException e) {
log.error(e.getMessage(), e);
} catch (PermissionException e) {
log.error(e.getMessage(), e);
} finally {
// remove advisor
if (sa != null) {
securityService.popAdvisor(sa);
}
}
return saved;
}