/**
* 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.coordinator.xviews;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
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.CurricularCourse;
import org.fenixedu.academic.domain.CurricularYear;
import org.fenixedu.academic.domain.DegreeCurricularPlan;
import org.fenixedu.academic.domain.Enrolment;
import org.fenixedu.academic.domain.ExecutionYear;
import org.fenixedu.academic.domain.Grade;
import org.fenixedu.academic.domain.GradeScale;
import org.fenixedu.academic.domain.StudentCurricularPlan;
import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction;
import org.fenixedu.academic.ui.struts.action.coordinator.DegreeCoordinatorIndex;
import org.fenixedu.bennu.core.domain.Bennu;
import org.fenixedu.bennu.core.domain.User;
import org.fenixedu.bennu.core.security.Authenticate;
import org.fenixedu.bennu.struts.annotations.Forward;
import org.fenixedu.bennu.struts.annotations.Forwards;
import org.fenixedu.bennu.struts.annotations.Mapping;
import pt.ist.fenixframework.FenixFramework;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
@Mapping(path = "/analytics", module = "coordinator", functionality = DegreeCoordinatorIndex.class)
@Forwards({ @Forward(name = "showHome", path = "/coordinator/analytics/home.jsp") })
public class ExecutionYearViewDA extends FenixDispatchAction {
@Override
public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
HttpServletResponse response) throws Exception {
DegreeCoordinatorIndex.setCoordinatorContext(request);
return super.execute(mapping, actionForm, request, response);
}
private JsonArray computeExecutionYearsForDegreeCurricularPlan(DegreeCurricularPlan degreeCurricularPlan) {
JsonArray executionYears = new JsonArray();
//TODO: CHECK IF THIS IS THE VALID WAY TO DO THINGS; IMPORTED FROM PREVIOUS CODE
for (ExecutionYear year : Bennu.getInstance().getExecutionYearsSet()) {
if (year.isInclusivelyBetween(degreeCurricularPlan.getInauguralExecutionYear(),
degreeCurricularPlan.getLastExecutionYear())) {
executionYears.add(executionYearToJson(year));
}
}
return executionYears;
}
private JsonObject executionYearToJson(ExecutionYear year) {
JsonObject executionYearJson = new JsonObject();
executionYearJson.addProperty("id", year.getExternalId());
executionYearJson.addProperty("name", year.getQualifiedName());
return executionYearJson;
}
public ActionForward showHome(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
User userView = Authenticate.getUser();
String degreeCurricularPlanID = request.getParameter("degreeCurricularPlanID");
DegreeCurricularPlan degreeCurricularPlan = FenixFramework.getDomainObject(degreeCurricularPlanID);
JsonArray executionYears = computeExecutionYearsForDegreeCurricularPlan(degreeCurricularPlan);
request.setAttribute("executionYears", executionYears);
String executionYearId = request.getParameter("executionYear");
ExecutionYear currentExecutionYear = ExecutionYear.readCurrentExecutionYear();
if (executionYearId != null) {
currentExecutionYear = FenixFramework.getDomainObject(executionYearId);
}
request.setAttribute("degreeCurricularPlanID", degreeCurricularPlanID);
request.setAttribute("currentExecutionYear", computeExecutionYearStatistics(degreeCurricularPlan, currentExecutionYear));
return mapping.findForward("showHome");
}
private Set<Enrolment> getDegreeCurricularPlanEnrolmentsForExecutionYear(DegreeCurricularPlan degreeCurricularPlan,
ExecutionYear executionYear) {
Set<Enrolment> enrolments = new HashSet<Enrolment>();
for (StudentCurricularPlan scp : degreeCurricularPlan.getStudentCurricularPlansSet()) {
for (Enrolment enrol : scp.getEnrolmentsSet()) {
if (enrol.getExecutionPeriod().getExecutionYear() == executionYear
&& enrol.getParentCycleCurriculumGroup() != null
&& degreeCurricularPlan.getCycleCourseGroup(enrol.getParentCycleCurriculumGroup().getCycleType()) != null) {
enrolments.add(enrol);
}
}
}
return enrolments;
}
private static class CurricularCourseGradeEntry {
BigDecimal sum = BigDecimal.ZERO;
Integer notEvaluated = 0;
Integer approved = 0;
Integer flunked = 0;
Integer attending = 0;
List<Enrolment> enrolmentList = new ArrayList<Enrolment>();
Integer quantity = 0;
public CurricularCourseGradeEntry(Enrolment enrolment) {
plus(enrolment);
}
public CurricularCourseGradeEntry plus(Enrolment enrolment) {
enrolmentList.add(enrolment);
Grade grade = enrolment.getGrade();
if (grade == null || grade.isEmpty()) {
attending++;
} else if (grade.isApproved()) {
approved++;
if (grade.getGradeScale() == GradeScale.TYPE20) {
sum = sum.add(grade.getNumericValue());
quantity++;
}
} else if (grade.isNotEvaluated()) {
notEvaluated++;
} else if (grade.isNotApproved()) {
flunked++;
}
return this;
}
public BigDecimal getAverage() {
if (quantity > 0) {
return sum.divide(new BigDecimal(quantity), RoundingMode.HALF_EVEN);
} else {
return BigDecimal.ZERO;
}
}
public int getTotal() {
return notEvaluated + approved + flunked + attending;
}
}
private static class CurricularYearGradeEntry {
BigDecimal sum = BigDecimal.ZERO;
Integer notEvaluated = 0;
Integer approved = 0;
Integer flunked = 0;
Integer attending = 0;
Integer quantity = 0;
public CurricularYearGradeEntry(Enrolment enrolment) {
plus(enrolment);
}
public CurricularYearGradeEntry plus(Enrolment enrolment) {
Grade grade = enrolment.getGrade();
if (grade == null || grade.isEmpty()) {
attending++;
} else if (grade.isApproved()) {
approved++;
if (grade.getGradeScale() == GradeScale.TYPE20) {
sum = sum.add(grade.getNumericValue());
quantity++;
}
} else if (grade.isNotEvaluated()) {
notEvaluated++;
} else if (grade.isNotApproved()) {
flunked++;
}
return this;
}
public BigDecimal getAverage() {
if (quantity > 0) {
return sum.divide(new BigDecimal(quantity), RoundingMode.HALF_EVEN);
} else {
return BigDecimal.ZERO;
}
}
public int getTotal() {
return notEvaluated + approved + flunked + attending;
}
}
private JsonObject computeExecutionYearStatistics(DegreeCurricularPlan degreeCurricularPlan, ExecutionYear executionYear) {
JsonObject result = new JsonObject();
result.addProperty("id", executionYear.getExternalId());
result.addProperty("name", executionYear.getQualifiedName());
Map<CurricularYear, CurricularYearGradeEntry> curricularYearGradeMap =
new HashMap<CurricularYear, CurricularYearGradeEntry>();
Map<CurricularCourse, CurricularCourseGradeEntry> curricularCourseGradeMap =
new HashMap<CurricularCourse, CurricularCourseGradeEntry>();
for (Enrolment enrolment : getDegreeCurricularPlanEnrolmentsForExecutionYear(degreeCurricularPlan, executionYear)) {
updateCurricularYearGradeMapIfRelevant(curricularYearGradeMap, enrolment);
updateCurricularCourseGradeMapIfRelevant(curricularCourseGradeMap, enrolment);
}
int degreeCurricularPlanAttending = 0;
int degreeCurricularPlanApproved = 0;
int degreeCurricularPlanNotEvaluated = 0;
int degreeCurricularPlanFlunked = 0;
JsonArray curricularYearsJsonArray = new JsonArray();
for (Entry<CurricularYear, CurricularYearGradeEntry> entry : curricularYearGradeMap.entrySet()) {
JsonObject curricularYearJsonObject = new JsonObject();
curricularYearJsonObject.addProperty("year", entry.getKey().getYear());
curricularYearJsonObject.addProperty("average", entry.getValue().getAverage());
curricularYearJsonObject.addProperty("total", entry.getValue().getTotal());
int curricularYearApproved = entry.getValue().approved;
degreeCurricularPlanApproved += curricularYearApproved;
int curricularYearFlunked = entry.getValue().flunked;
degreeCurricularPlanFlunked += curricularYearFlunked;
int curricularYearNotEvaluated = entry.getValue().notEvaluated;
degreeCurricularPlanNotEvaluated += curricularYearNotEvaluated;
int curricularYearAttending = entry.getValue().attending;
degreeCurricularPlanAttending += curricularYearAttending;
curricularYearJsonObject.addProperty("approved", curricularYearApproved);
curricularYearJsonObject.addProperty("flunked", curricularYearFlunked);
curricularYearJsonObject.addProperty("not-evaluated", curricularYearNotEvaluated);
curricularYearJsonObject.addProperty("attending", curricularYearAttending);
curricularYearsJsonArray.add(curricularYearJsonObject);
}
result.addProperty("attending", degreeCurricularPlanAttending);
result.addProperty("approved", degreeCurricularPlanApproved);
result.addProperty("notEvaluated", degreeCurricularPlanNotEvaluated);
result.addProperty("flunked", degreeCurricularPlanFlunked);
result.addProperty("total", degreeCurricularPlanAttending + degreeCurricularPlanApproved
+ degreeCurricularPlanNotEvaluated + degreeCurricularPlanFlunked);
JsonArray curricularCoursesJsonArray = new JsonArray();
int years = degreeCurricularPlan.getDurationInYears();
for (int i = 1; i <= years; i++) {
JsonObject year = new JsonObject();
year.addProperty("year", i);
JsonArray curricularCoursesArray = new JsonArray();
for (CurricularCourse curricularCourse : degreeCurricularPlan.getCurricularCoursesByExecutionYearAndCurricularYear(
executionYear, i)) {
if (curricularCourseGradeMap.containsKey(curricularCourse)) {
CurricularCourseGradeEntry entry = curricularCourseGradeMap.get(curricularCourse);
JsonObject curricularCourseJsonObject = new JsonObject();
int curricularCourseApproved = entry.approved;
int curricularCourseFlunked = entry.flunked;
int curricularCourseNotEvaluated = entry.notEvaluated;
int curricularCourseAttending = entry.attending;
curricularCourseJsonObject.addProperty("acronym", curricularCourse.getAcronym());
curricularCourseJsonObject.addProperty("name", curricularCourse.getName());
curricularCourseJsonObject.addProperty("approved", curricularCourseApproved);
curricularCourseJsonObject.addProperty("flunked", curricularCourseFlunked);
curricularCourseJsonObject.addProperty("not-evaluated", curricularCourseNotEvaluated);
curricularCourseJsonObject.addProperty("attending", curricularCourseAttending);
curricularCourseJsonObject.addProperty("average", entry.getAverage());
curricularCourseJsonObject.addProperty("total", entry.getTotal());
JsonArray gradesArray = new JsonArray();
for (Enrolment enrolment : entry.enrolmentList) {
Grade grade = enrolment.getGrade();
JsonObject enrolmentJson = new JsonObject();
if (grade != null && grade.isApproved()) {
enrolmentJson.addProperty("grade", grade.getIntegerValue());
} else if (grade.isNotEvaluated()) {
enrolmentJson.addProperty("grade", "NA");
} else if (grade.isNotApproved()) {
enrolmentJson.addProperty("grade", "RE");
}
gradesArray.add(enrolmentJson);
}
curricularCourseJsonObject.add("grades", gradesArray);
curricularCoursesArray.add(curricularCourseJsonObject);
}
}
year.add("entries", curricularCoursesArray);
curricularCoursesJsonArray.add(year);
}
result.add("curricular-years", curricularYearsJsonArray);
result.add("curricular-courses", curricularCoursesJsonArray);
return result;
}
private void updateCurricularYearGradeMapIfRelevant(Map<CurricularYear, CurricularYearGradeEntry> map, Enrolment enrolment) {
CurricularYear year = CurricularYear.readByYear(enrolment.getRegistration().getCurricularYear());
if (map.containsKey(year)) {
map.get(year).plus(enrolment);
} else {
map.put(year, new CurricularYearGradeEntry(enrolment));
}
}
private void updateCurricularCourseGradeMapIfRelevant(Map<CurricularCourse, CurricularCourseGradeEntry> map,
Enrolment enrolment) {
CurricularCourse curricularCourse = enrolment.getCurricularCourse();
if (map.containsKey(curricularCourse)) {
map.get(curricularCourse).plus(enrolment);
} else {
map.put(curricularCourse, new CurricularCourseGradeEntry(enrolment));
}
}
}