public String getSelectedStudentGrades() {
if (currentGradebook == null) {
return "<p>" + msgs.getString("no_gradebook_selected") + "</p>";
}
if (currentGradebook.getUsernames() == null || currentGradebook.getUsernames().isEmpty()) {
return "<p>"
+ msgs.getFormattedMessage(
"no_grades_in_gradebook",
new Object[] {StringEscapeUtils.escapeHtml(currentGradebook.getTitle())})
+ "</p>";
}
if (selectedStudent == null || selectedStudent.equals("")) {
return msgs.getString("select_participant");
}
StudentGrades selStudent =
gradebookManager.getStudentByGBAndUsername(currentGradebook, selectedStudent);
if (selStudent != null) {
selStudent.setGradebook(currentGradebook);
return selStudent.formatGrades();
}
return msgs.getString("select_participant");
}
public String processGradebookView() {
Long currentGbId = ((Gradebook) gradebookTable.getRowData()).getId();
// if instructor, we need to load all students
if (isEditable()) {
currentGradebook = gradebookManager.getGradebookByIdWithHeadings(currentGbId);
currentGradebook.setUsernames(gradebookManager.getUsernamesInGradebook(currentGradebook));
studentMap = currentGradebook.getStudentMap();
setSelectedStudent((String) studentMap.firstKey());
return "view_student";
}
// otherwise, just load what we need for the current user
currentGradebook = gradebookManager.getGradebookByIdWithHeadings(currentGbId);
this.userId = SessionManager.getCurrentSessionUserId();
currentStudent = gradebookManager.getStudentByGBAndUsername(currentGradebook, this.userEid);
if (currentStudent != null) {
currentStudent.setLastChecked(new Timestamp(new Date().getTime()));
gradebookManager.updateStudent(currentStudent);
currentStudent.setGradebook(currentGradebook);
}
return "view_grades";
}
public String processCreateBack() {
if (currentGradebook.getId() == null) {
this.csv = null;
currentGradebook.setStudents(null);
}
this.userPressedBack = true;
return "create_gradebook";
}
public String processInstructorView() {
try {
if (!this.checkAccess()) {
throw new PermissionException(
SessionManager.getCurrentSessionUserId(), "syllabus_access_athz", "");
}
} catch (PermissionException e) {
// logger.info(this + ".getEntries() in PostemTool " + e);
FacesContext.getCurrentInstance()
.addMessage(
null,
MessageUtils.getMessage(
FacesMessage.SEVERITY_ERROR,
"error_permission",
(new Object[] {e.toString()}),
FacesContext.getCurrentInstance()));
return "permission_error";
}
Long currentGbId = ((Gradebook) gradebookTable.getRowData()).getId();
currentGradebook = gradebookManager.getGradebookByIdWithHeadingsAndStudents(currentGbId);
students = new ArrayList(currentGradebook.getStudents());
return "view_gradebook";
}
// perhaps this should be moved to GradebookImpl
public Map getStatsColumns() {
Map columns = new TreeMap();
if (currentGradebook == null) {
return columns;
}
Set students = currentGradebook.getStudents();
if (students.size() == 0) {
return columns;
}
StudentGrades student = (StudentGrades) students.iterator().next();
int size = student.getGrades().size();
for (int current = 0; current < size; current++) {
Column nc = new Column(currentGradebook, current);
// logger.info("** Checking if column " + current + " is stat-able!");
if (nc.getSummary() != null) {
if (nc.getHasName()) {
columns.put(nc.getName(), new Integer(current));
} else {
columns.put(Integer.toString(current), new Integer(current));
}
}
}
return columns;
}
public String processCreateOk() {
Iterator oi = oldGradebook.getStudents().iterator();
while (oi.hasNext()) {
gradebookManager.deleteStudentGrades((StudentGrades) oi.next());
}
this.userId = SessionManager.getCurrentSessionUserId();
currentGradebook.setLastUpdated(new Timestamp(new Date().getTime()));
currentGradebook.setLastUpdater(this.userId);
currentGradebook.setFileReference(attachment.getId());
gradebookManager.saveGradebook(currentGradebook);
this.currentGradebook = null;
this.oldGradebook = null;
this.withHeader = true;
// this.gradebooks = null;
return "main";
}
public String processGradebookUpdate() {
try {
if (!this.checkAccess()) {
throw new PermissionException(
SessionManager.getCurrentSessionUserId(), "syllabus_access_athz", "");
}
} catch (PermissionException e) {
// logger.info(this + ".getEntries() in PostemTool " + e);
FacesContext.getCurrentInstance()
.addMessage(
null,
MessageUtils.getMessage(
FacesMessage.SEVERITY_ERROR,
"error_permission",
(new Object[] {e.toString()}),
FacesContext.getCurrentInstance()));
this.currentGradebook = null;
this.csv = null;
this.newTemplate = null;
return "permission_error";
}
this.userId = SessionManager.getCurrentSessionUserId();
this.siteId = ToolManager.getCurrentPlacement().getContext();
Long currentGbId = ((Gradebook) gradebookTable.getRowData()).getId();
currentGradebook = gradebookManager.getGradebookByIdWithHeadingsAndStudents(currentGbId);
oldGradebook =
gradebookManager.createEmptyGradebook(
currentGradebook.getCreator(), currentGradebook.getContext());
oldGradebook.setId(currentGradebook.getId());
oldGradebook.setStudents(currentGradebook.getStudents());
gradebooks = null;
/*
* if(new Boolean(true).equals(currentGradebook.getReleased())) {
* this.release = "Yes"; } else { this.release = "No"; }
*/
if (currentGradebook.getFileReference() != null) {
attachment =
EntityManager.newReference(
contentHostingService.getReference(currentGradebook.getFileReference()));
}
this.csv = null;
this.newTemplate = null;
this.delimiter = COMMA_DELIM_STR;
return "create_gradebook";
}
public String getFirstStudentGrades() {
if (currentGradebook == null) {
return "<p>" + msgs.getString("no_gradebook_selected") + "</p>";
}
Set students = currentGradebook.getStudents();
if (students.size() == 0) {
return "<p>"
+ msgs.getFormattedMessage(
"no_grades_in_gradebook",
new Object[] {StringEscapeUtils.escapeHtml(currentGradebook.getTitle())})
+ "</p>";
}
if (currentGradebook.getFirstUploadedUsername() != null) {
StudentGrades student =
currentGradebook.studentGrades(currentGradebook.getFirstUploadedUsername());
return student.formatGrades();
} else {
StudentGrades student = (StudentGrades) students.iterator().next();
return student.formatGrades();
}
}
public String processCsvDownload() {
try {
if (!this.checkAccess()) {
throw new PermissionException(
SessionManager.getCurrentSessionUserId(), "syllabus_access_athz", "");
}
} catch (PermissionException e) {
// logger.info(this + ".getEntries() in PostemTool " + e);
FacesContext.getCurrentInstance()
.addMessage(
null,
MessageUtils.getMessage(
FacesMessage.SEVERITY_ERROR,
"error_permission",
(new Object[] {e.toString()}),
FacesContext.getCurrentInstance()));
return "permission_error";
}
Long currentGbId = ((Gradebook) gradebookTable.getRowData()).getId();
currentGradebook = gradebookManager.getGradebookByIdWithHeadingsAndStudents(currentGbId);
List csvContents = new ArrayList();
if (currentGradebook.getHeadings().size() > 0) {
csvContents.add(currentGradebook.getHeadings());
}
Iterator si = currentGradebook.getStudents().iterator();
while (si.hasNext()) {
List sgl = new ArrayList();
StudentGrades sg = (StudentGrades) si.next();
sgl.add(sg.getUsername());
sgl.addAll(sg.getGrades());
csvContents.add(sgl);
}
CSV newCsv = new CSV(csvContents, currentGradebook.getHeadings().size() > 0);
this.csv = newCsv.getCsv();
return "download_csv";
}
public String getCurrentStudentGrades() {
if (currentGradebook == null) {
return "<p>" + msgs.getString("no_gradebook_selected") + "</p>";
}
if (currentStudent == null) {
return "<p>"
+ msgs.getFormattedMessage(
"no_grades_for_user",
new Object[] {StringEscapeUtils.escapeHtml(currentGradebook.getTitle())})
+ "</p>";
}
return currentStudent.formatGrades();
}
public String processCreate() {
try {
if (!this.checkAccess()) {
throw new PermissionException(
SessionManager.getCurrentSessionUserId(), "syllabus_access_athz", "");
}
} catch (PermissionException e) {
// logger.info(this + ".getEntries() in PostemTool " + e);
FacesContext.getCurrentInstance()
.addMessage(
null,
MessageUtils.getMessage(
FacesMessage.SEVERITY_ERROR,
"error_permission",
(new Object[] {e.toString()}),
FacesContext.getCurrentInstance()));
this.currentGradebook = null;
this.csv = null;
this.newTemplate = null;
// this.release = null;
return "permission_error";
}
if (currentGradebook.getId() == null) {
ArrayList gb = getGradebooks();
Iterator gi = gb.iterator();
while (gi.hasNext()) {
if (((Gradebook) gi.next()).getTitle().equals(currentGradebook.getTitle())) {
// To stay consistent, remove current messages when adding a new message
// so as to only display one error message before returning
PostemTool.clearMessages();
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR, "duplicate_title", new Object[] {});
return "create_gradebook";
}
}
}
if (currentGradebook.getTitle() == null || currentGradebook.getTitle().equals("")) {
// To stay consistent, remove current messages when adding a new message
// so as to only display one error message before returning
PostemTool.clearMessages();
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, "missing_title", new Object[] {});
return "create_gradebook";
} else if (currentGradebook.getTitle().trim().length() > TITLE_MAX_LENGTH) {
PostemTool.clearMessages();
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR,
"title_too_long",
new Object[] {
new Integer(currentGradebook.getTitle().trim().length()), new Integer(TITLE_MAX_LENGTH)
});
return "create_gradebook";
}
Reference attachment = getAttachmentReference();
if (attachment == null) {
return "create_gradebook";
}
if (!this.delimiter.equals(COMMA_DELIM_STR) && !this.delimiter.equals(TAB_DELIM_STR)) {
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, "invalid_delim", new Object[] {});
return "create_gradebook";
}
if (attachment != null) {
// logger.info("*** Non-Empty CSV!");
try {
char csv_delim = CSV.COMMA_DELIM;
if (this.delimiter.equals(TAB_DELIM_STR)) {
csv_delim = CSV.TAB_DELIM;
}
// Read the data
ContentResource cr = contentHostingService.getResource(attachment.getId());
// Check the type
if (ResourceProperties.TYPE_URL.equalsIgnoreCase(cr.getContentType())) {
// Going to need to read from a stream
String csvURL = new String(cr.getContent());
// Load the URL
csv = URLConnectionReader.getText(csvURL);
if (LOG.isDebugEnabled()) {
LOG.debug(csv);
}
} else {
csv = new String(cr.getContent());
if (LOG.isDebugEnabled()) {
LOG.debug(csv);
}
}
CSV grades = new CSV(csv, withHeader, csv_delim);
if (withHeader == true) {
if (grades.getHeaders() != null) {
List headingList = grades.getHeaders();
for (int col = 0; col < headingList.size(); col++) {
String heading = (String) headingList.get(col).toString().trim();
// Make sure there are no blank headings
if (heading == null || heading.equals("")) {
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR, "blank_headings", new Object[] {});
return "create_gradebook";
}
// Make sure the headings don't exceed max limit
if (heading.length() > HEADING_MAX_LENGTH) {
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR,
"heading_too_long",
new Object[] {new Integer(HEADING_MAX_LENGTH)});
return "create_gradebook";
}
}
}
}
if (grades.getStudents() != null) {
if (!usernamesValid(grades)) {
return "create_gradebook";
}
if (hasADuplicateUsername(grades)) {
return "create_gradebook";
}
}
if (this.newTemplate != null && this.newTemplate.trim().length() > 0) {
if (this.newTemplate.trim().length() > TEMPLATE_MAX_LENGTH) {
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR,
"template_too_long",
new Object[] {
new Integer(this.newTemplate.trim().length()), new Integer(TEMPLATE_MAX_LENGTH)
});
return "create_gradebook";
}
}
if (withHeader == true) {
if (grades.getHeaders() != null) {
PostemTool.populateMessage(FacesMessage.SEVERITY_INFO, "has_headers", new Object[] {});
}
}
if (grades.getStudents() != null) {
PostemTool.populateMessage(
FacesMessage.SEVERITY_INFO,
"has_students",
new Object[] {new Integer(grades.getStudents().size())});
}
if (withHeader == true) {
currentGradebook.setHeadings(grades.getHeaders());
}
List slist = grades.getStudents();
if (oldGradebook.getId() != null && !this.userPressedBack) {
Set oldStudents = currentGradebook.getStudents();
oldGradebook.setStudents(oldStudents);
}
currentGradebook.setStudents(new TreeSet());
// gradebookManager.saveGradebook(currentGradebook);
Iterator si = slist.iterator();
while (si.hasNext()) {
List ss = (List) si.next();
String uname = ((String) ss.remove(0)).trim();
// logger.info("[POSTEM] processCreate -- adding student " +
// uname);
gradebookManager.createStudentGradesInGradebook(uname, ss, currentGradebook);
if (currentGradebook.getStudents().size() == 1) {
currentGradebook.setFirstUploadedUsername(
uname); // otherwise, the verify screen shows first in ABC order
}
}
} catch (DataFormatException exception) {
/*
* TODO: properly subclass exception in order to allow for localized
* messages (add getRowNumber/setRowNumber). Set exception message to be
* key in .properties file
*/
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR, exception.getMessage(), new Object[] {});
return "create_gradebook";
} catch (IdUnusedException e) {
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), new Object[] {});
return "create_gradebook";
} catch (TypeException e) {
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), new Object[] {});
return "create_gradebook";
} catch (PermissionException e) {
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), new Object[] {});
return "create_gradebook";
} catch (ServerOverloadException e) {
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), new Object[] {});
return "create_gradebook";
} catch (IOException e) {
PostemTool.populateMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), new Object[] {});
return "create_gradebook";
}
} else if (this.csv != null) {
// logger.info("**** Non Null Empty CSV!");
PostemTool.populateMessage(
FacesMessage.SEVERITY_ERROR, "has_students", new Object[] {new Integer(0)});
currentGradebook.setHeadings(new ArrayList());
if (oldGradebook.getId() != null) {
Set oldStudents = currentGradebook.getStudents();
oldGradebook.setStudents(oldStudents);
}
currentGradebook.setStudents(new TreeSet());
}
if (this.newTemplate != null && this.newTemplate.trim().length() > 0) {
currentGradebook.setTemplate(gradebookManager.createTemplate(newTemplate.trim()));
} else if (this.newTemplate != null) {
// logger.info("*** Non Null Empty Template!");
currentGradebook.setTemplate(null);
}
/*
* if("No".equals(this.release)) { currentGradebook.setReleased(new
* Boolean(false)); //logger.info("Set to No, " +
* currentGradebook.getReleased()); } else {
* currentGradebook.setReleased(new Boolean(true)); //logger.info("Set to
* Yes, " + currentGradebook.getReleased()); }
*/
// gradebookManager.saveGradebook(currentGradebook);
// logger.info(currentGradebook.getId());
// currentGradebook = null;
if ((this.csv != null && this.csv.trim().length() > 0)
|| (this.newTemplate != null && this.newTemplate.trim().length() > 0)) {
this.csv = null;
this.newTemplate = null;
return "verify";
}
Iterator oi = oldGradebook.getStudents().iterator();
while (oi.hasNext()) {
gradebookManager.deleteStudentGrades((StudentGrades) oi.next());
}
this.userId = SessionManager.getCurrentSessionUserId();
currentGradebook.setLastUpdated(new Timestamp(new Date().getTime()));
currentGradebook.setLastUpdater(this.userId);
gradebookManager.saveGradebook(currentGradebook);
this.currentGradebook = null;
this.oldGradebook = null;
this.withHeader = true;
// this.gradebooks = null;
return "main";
}