package fi.otavanopisto.pyramus.views.students;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import fi.internetix.smvc.controllers.PageRequestContext;
import fi.otavanopisto.pyramus.I18N.Messages;
import fi.otavanopisto.pyramus.breadcrumbs.Breadcrumbable;
import fi.otavanopisto.pyramus.dao.DAOFactory;
import fi.otavanopisto.pyramus.dao.base.PersonDAO;
import fi.otavanopisto.pyramus.dao.students.StudentContactLogEntryCommentDAO;
import fi.otavanopisto.pyramus.dao.students.StudentContactLogEntryDAO;
import fi.otavanopisto.pyramus.dao.students.StudentDAO;
import fi.otavanopisto.pyramus.domainmodel.base.Person;
import fi.otavanopisto.pyramus.domainmodel.students.Student;
import fi.otavanopisto.pyramus.domainmodel.students.StudentContactLogEntry;
import fi.otavanopisto.pyramus.domainmodel.students.StudentContactLogEntryComment;
import fi.otavanopisto.pyramus.framework.PyramusViewController;
import fi.otavanopisto.pyramus.framework.UserRole;
/**
* ViewController for managing student contact log entries.
*
* @author antti.viljakainen
*/
public class ManageStudentContactEntriesViewController extends PyramusViewController implements Breadcrumbable {
/**
* Returns allowed roles for this page. Allowed are UserRole.MANAGER and UserRole.ADMINISTRATOR.
*
* @return allowed roles
*/
public UserRole[] getAllowedRoles() {
return new UserRole[] { UserRole.MANAGER, UserRole.STUDY_PROGRAMME_LEADER, UserRole.ADMINISTRATOR };
}
/**
* Processes the page request.
*
* In parameters
* - person
*
* Page parameters
* - person - Person object
* - contactEntries - List of StudentContactLogEntry objects
*
* @param pageRequestContext pageRequestContext
*/
public void process(PageRequestContext pageRequestContext) {
StudentDAO studentDAO = DAOFactory.getInstance().getStudentDAO();
PersonDAO personDAO = DAOFactory.getInstance().getPersonDAO();
StudentContactLogEntryDAO logEntryDAO = DAOFactory.getInstance().getStudentContactLogEntryDAO();
StudentContactLogEntryCommentDAO entryCommentDAO = DAOFactory.getInstance().getStudentContactLogEntryCommentDAO();
Long personId = pageRequestContext.getLong("person");
Person person = personDAO.findById(personId);
pageRequestContext.getRequest().setAttribute("person", person);
List<Student> students = studentDAO.listByPerson(person);
Collections.sort(students, new Comparator<Student>() {
@Override
public int compare(Student o1, Student o2) {
/**
* Ordering study programmes as follows
* 1. studies that have start date but no end date (ongoing)
* 2. studies that have no start nor end date
* 3. studies that have ended
* 4. studies that are archived
*/
int o1class =
(o1.getArchived()) ? 4:
(o1.getStudyStartDate() != null && o1.getStudyEndDate() == null) ? 1:
(o1.getStudyStartDate() == null && o1.getStudyEndDate() == null) ? 2:
(o1.getStudyEndDate() != null) ? 3:
5;
int o2class =
(o2.getArchived()) ? 4:
(o2.getStudyStartDate() != null && o2.getStudyEndDate() == null) ? 1:
(o2.getStudyStartDate() == null && o2.getStudyEndDate() == null) ? 2:
(o2.getStudyEndDate() != null) ? 3:
5;
if (o1class == o2class) {
// classes are the same, we try to do last comparison from the start dates
return ((o1.getStudyStartDate() != null) && (o2.getStudyStartDate() != null)) ?
o1.getStudyStartDate().compareTo(o2.getStudyStartDate()) : 0;
} else
return o1class < o2class ? -1 : o1class == o2class ? 0 : 1;
}
});
Map<Long, List<StudentContactLogEntry>> contactEntries = new HashMap<>();
final Map<Long, List<StudentContactLogEntryComment>> contactEntryComments = new HashMap<>();
for (int i = 0; i < students.size(); i++) {
Student student = students.get(i);
List<StudentContactLogEntry> listStudentContactEntries = logEntryDAO.listByStudent(student);
// Populate comments for each entry to lists
for (int j = 0; j < listStudentContactEntries.size(); j++) {
StudentContactLogEntry entry = listStudentContactEntries.get(j);
List<StudentContactLogEntryComment> listComments = entryCommentDAO.listByEntry(entry);
Collections.sort(listComments, new Comparator<StudentContactLogEntryComment>() {
public int compare(StudentContactLogEntryComment o1, StudentContactLogEntryComment o2) {
Date d1 = o1.getCommentDate();
Date d2 = o2.getCommentDate();
int val = d1 == null ?
d2 == null ? 0 : 1 :
d2 == null ? -1 : d1.compareTo(d2);
if (val == 0)
return o1.getId().compareTo(o2.getId());
else
return val;
}
});
contactEntryComments.put(entry.getId(), listComments);
}
// Now we can sort entries based on date of entry and/or dates of the comments on the entry
Collections.sort(listStudentContactEntries, new Comparator<StudentContactLogEntry>() {
private Date getDateForEntry(StudentContactLogEntry entry) {
Date d = entry.getEntryDate();
List<StudentContactLogEntryComment> comments = contactEntryComments.get(entry.getId());
for (int i = 0; i < comments.size(); i++) {
StudentContactLogEntryComment comment = comments.get(i);
if (d == null) {
d = comment.getCommentDate();
} else {
if (d.before(comment.getCommentDate()))
d = comment.getCommentDate();
}
}
return d;
}
public int compare(StudentContactLogEntry o1, StudentContactLogEntry o2) {
Date d1 = getDateForEntry(o1);
Date d2 = getDateForEntry(o2);
int val = d1 == null ?
d2 == null ? 0 : 1 :
d2 == null ? -1 : d2.compareTo(d1);
if (val == 0)
return o2.getId().compareTo(o1.getId());
else
return val;
}
});
contactEntries.put(student.getId(), listStudentContactEntries);
}
pageRequestContext.getRequest().setAttribute("students", students);
pageRequestContext.getRequest().setAttribute("contactEntries", contactEntries);
pageRequestContext.getRequest().setAttribute("contactEntryComments", contactEntryComments);
pageRequestContext.setIncludeJSP("/templates/students/managestudentcontactentries.jsp");
}
/**
* Returns the localized name of this page. Used e.g. for breadcrumb navigation.
*
* @param locale The locale to be used for the name
*
* @return The localized name of this page
*/
public String getName(Locale locale) {
return Messages.getInstance().getText(locale, "students.manageStudentContactEntries.pageTitle");
}
}