/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.ui.struts.action.manager.enrolments;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.fenixedu.academic.domain.EnrolmentPeriod;
import org.fenixedu.academic.domain.EnrolmentPeriodInCurricularCourses;
import org.fenixedu.academic.domain.ExecutionSemester;
import org.fenixedu.academic.domain.degree.DegreeType;
import org.fenixedu.academic.domain.log.CurriculumLineLog;
import org.fenixedu.academic.domain.log.EnrolmentLog;
import org.fenixedu.academic.domain.student.Student;
import org.fenixedu.academic.dto.curriculumLineLog.SearchCurriculumLineLog;
import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction;
import org.fenixedu.academic.ui.struts.action.manager.ManagerApplications.ManagerStudentsApp;
import org.fenixedu.academic.util.EnrolmentAction;
import org.fenixedu.bennu.struts.annotations.Forward;
import org.fenixedu.bennu.struts.annotations.Forwards;
import org.fenixedu.bennu.struts.annotations.Mapping;
import org.fenixedu.bennu.struts.portal.EntryPoint;
import org.fenixedu.bennu.struts.portal.StrutsFunctionality;
import org.joda.time.DateTime;
import org.joda.time.Interval;
@StrutsFunctionality(app = ManagerStudentsApp.class, path = "curriculum-logs", titleKey = "title.curriculum.line.logs")
@Mapping(path = "/curriculumLineLogs", module = "manager")
@Forwards({ @Forward(name = "searchCurriculumLineLogs", path = "/manager/viewCurriculumLineLogs.jsp"),
@Forward(name = "viewCurriculumLineLogStatistics", path = "/manager/viewCurriculumLineLogStatistics.jsp") })
public class CurriculumLineLogsDA extends FenixDispatchAction {
@EntryPoint
public ActionForward prepareViewCurriculumLineLogs(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) {
request.setAttribute("bean", new SearchCurriculumLineLog());
return mapping.findForward("searchCurriculumLineLogs");
}
public ActionForward viewCurriculumLineLogs(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) {
final SearchCurriculumLineLog searchCurriculumLineLog = getRenderedObject();
request.setAttribute("bean", searchCurriculumLineLog);
Student student = Student.readStudentByNumber(searchCurriculumLineLog.getStudentNumber());
if (student == null) {
addActionMessage(request, "exception.student.does.not.exist");
return mapping.findForward("searchCurriculumLineLogs");
}
request.setAttribute("curriculumLineLogs", student.getCurriculumLineLogs(searchCurriculumLineLog.getExecutionPeriod()));
return mapping.findForward("searchCurriculumLineLogs");
}
public static class CurriculumLineLogStatisticsCalculator {
private static final int INTERVAL_SIZE_IN_MILLIS = 300000;
final Interval enrolmentPeriod;
final int[] enrolments;
final int[] unenrolments;
public CurriculumLineLogStatisticsCalculator(final ExecutionSemester executionSemester) {
enrolmentPeriod = findEnrolmentPeriod(executionSemester);
final long start = enrolmentPeriod.getStart().getMillis();
final long durationMillis = enrolmentPeriod.toDurationMillis();
final int numberOfIntervals = (int) (durationMillis / INTERVAL_SIZE_IN_MILLIS) + 1;
enrolments = new int[numberOfIntervals];
unenrolments = new int[numberOfIntervals];
for (final CurriculumLineLog curriculumLineLog : executionSemester.getCurriculumLineLogsSet()) {
if (curriculumLineLog instanceof EnrolmentLog) {
final DateTime dateTime = curriculumLineLog.getDateDateTime();
if (enrolmentPeriod.contains(dateTime)) {
final long offset = dateTime.getMillis() - start;
final int i = (int) offset / INTERVAL_SIZE_IN_MILLIS;
if (curriculumLineLog.getAction() == EnrolmentAction.ENROL) {
enrolments[i]++;
} else {
unenrolments[i]++;
}
}
}
}
}
public Interval getEnrolmentPeriod() {
return enrolmentPeriod;
}
public int[] getEnrolments() {
return enrolments;
}
public int[] getUnenrolments() {
return unenrolments;
}
private Interval findEnrolmentPeriod(final ExecutionSemester executionSemester) {
DateTime start = null, end = null;
for (final EnrolmentPeriod enrolmentPeriod : executionSemester.getEnrolmentPeriodSet()) {
if (enrolmentPeriod instanceof EnrolmentPeriodInCurricularCourses) {
final DegreeType degreeType = enrolmentPeriod.getDegreeCurricularPlan().getDegreeType();
if (degreeType == DegreeType.BOLONHA_DEGREE || degreeType == DegreeType.BOLONHA_INTEGRATED_MASTER_DEGREE
|| degreeType == DegreeType.BOLONHA_INTEGRATED_MASTER_DEGREE) {
if (start == null || start.isAfter(enrolmentPeriod.getStartDateDateTime())) {
start = enrolmentPeriod.getStartDateDateTime();
}
if (end == null || end.isBefore(enrolmentPeriod.getEndDateDateTime())) {
end = enrolmentPeriod.getEndDateDateTime();
}
}
}
}
return start == null || end == null ? null : new Interval(start, end);
}
}
public ActionForward viewCurriculumLineLogStatistics(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) {
final ExecutionSemester executionSemester = getDomainObject(request, "executionSemesterId");
if (executionSemester != null) {
request.setAttribute("executionSemester", executionSemester);
final CurriculumLineLogStatisticsCalculator curriculumLineLogStatisticsCalculator =
new CurriculumLineLogStatisticsCalculator(executionSemester);
request.setAttribute("curriculumLineLogStatisticsCalculator", curriculumLineLogStatisticsCalculator);
return mapping.findForward("viewCurriculumLineLogStatistics");
}
return prepareViewCurriculumLineLogs(mapping, form, request, response);
}
}