/**
* 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/>.
*/
/*
* Created on 07/Set/2003
*
*/
package org.fenixedu.academic.service.services.student;
import static org.fenixedu.academic.predicate.AccessControl.check;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.apache.struts.util.MessageResources;
import org.fenixedu.academic.domain.Attends;
import org.fenixedu.academic.domain.ExecutionCourse;
import org.fenixedu.academic.domain.Grouping;
import org.fenixedu.academic.domain.Person;
import org.fenixedu.academic.domain.Shift;
import org.fenixedu.academic.domain.StudentGroup;
import org.fenixedu.academic.domain.student.Registration;
import org.fenixedu.academic.domain.util.email.Message;
import org.fenixedu.academic.domain.util.email.Recipient;
import org.fenixedu.academic.domain.util.email.SystemSender;
import org.fenixedu.academic.predicate.RolePredicates;
import org.fenixedu.academic.service.ServiceMonitoring;
import org.fenixedu.academic.service.services.exceptions.ExistingServiceException;
import org.fenixedu.academic.service.services.exceptions.FenixServiceException;
import org.fenixedu.academic.service.services.exceptions.InvalidArgumentsServiceException;
import org.fenixedu.academic.service.services.exceptions.InvalidChangeServiceException;
import org.fenixedu.academic.service.services.exceptions.InvalidSituationServiceException;
import org.fenixedu.academic.service.services.exceptions.InvalidStudentNumberServiceException;
import org.fenixedu.academic.service.services.exceptions.NotAuthorizedException;
import org.fenixedu.academic.service.strategy.groupEnrolment.strategys.GroupEnrolmentStrategyFactory;
import org.fenixedu.academic.service.strategy.groupEnrolment.strategys.IGroupEnrolmentStrategy;
import org.fenixedu.academic.service.strategy.groupEnrolment.strategys.IGroupEnrolmentStrategyFactory;
import org.fenixedu.academic.util.Bundle;
import org.fenixedu.bennu.core.domain.Bennu;
import org.fenixedu.bennu.core.groups.UserGroup;
import pt.ist.fenixframework.Atomic;
import pt.ist.fenixframework.FenixFramework;
/**
* @author asnr and scpo
*
*/
public class EditGroupShift {
private static final MessageResources messages = MessageResources.getMessageResources(Bundle.GLOBAL);
@Atomic
public static Boolean run(String studentGroupID, String groupingID, String newShiftID, String username)
throws FenixServiceException {
check(RolePredicates.STUDENT_PREDICATE);
ServiceMonitoring.logService(EditGroupShift.class, studentGroupID, groupingID, newShiftID, username);
final Grouping grouping = FenixFramework.getDomainObject(groupingID);
if (grouping == null) {
throw new ExistingServiceException();
}
final StudentGroup studentGroup = FenixFramework.getDomainObject(studentGroupID);
if (studentGroup == null) {
throw new InvalidArgumentsServiceException();
}
final Shift shift = FenixFramework.getDomainObject(newShiftID);
if (grouping.getShiftType() == null || !shift.containsType(grouping.getShiftType())) {
throw new InvalidStudentNumberServiceException();
}
final Registration registration = Registration.readByUsername(username);
IGroupEnrolmentStrategyFactory enrolmentGroupPolicyStrategyFactory = GroupEnrolmentStrategyFactory.getInstance();
IGroupEnrolmentStrategy strategy = enrolmentGroupPolicyStrategyFactory.getGroupEnrolmentStrategyInstance(grouping);
if (!strategy.checkStudentInGrouping(grouping, username)) {
throw new NotAuthorizedException();
}
if (!checkStudentInStudentGroup(registration, studentGroup)) {
throw new InvalidSituationServiceException();
}
boolean result = strategy.checkNumberOfGroups(grouping, shift);
if (!result) {
throw new InvalidChangeServiceException();
}
studentGroup.setShift(shift);
informStudents(studentGroup, registration, grouping);
return true;
}
private static boolean checkStudentInStudentGroup(Registration registration, StudentGroup studentGroup)
throws FenixServiceException {
boolean found = false;
Collection studentGroupAttends = studentGroup.getAttendsSet();
Attends attend = null;
Iterator iterStudentGroupAttends = studentGroupAttends.iterator();
while (iterStudentGroupAttends.hasNext() && !found) {
attend = ((Attends) iterStudentGroupAttends.next());
if (attend.getRegistration().equals(registration)) {
found = true;
}
}
return found;
}
private static void informStudents(final StudentGroup studentGroup, final Registration registration, final Grouping grouping) {
final Set<Person> recievers = new HashSet<Person>();
for (final Attends attends : studentGroup.getAttendsSet()) {
recievers.add(attends.getRegistration().getPerson());
}
final StringBuilder executionCourseNames = new StringBuilder();
for (final ExecutionCourse executionCourse : grouping.getExecutionCourses()) {
if (executionCourseNames.length() > 0) {
executionCourseNames.append(", ");
}
executionCourseNames.append(executionCourse.getNome());
}
final String message =
messages.getMessage("message.body.grouping.change.shift", registration.getNumber().toString(), studentGroup
.getGroupNumber().toString(), executionCourseNames.toString());
final String groupName = messages.getMessage("message.group.name", studentGroup.getGroupNumber());
final Collection<Recipient> recipients =
Collections.singletonList(new Recipient(groupName, UserGroup.of(Person.convertToUsers(recievers))));
SystemSender systemSender = Bennu.getInstance().getSystemSender();
new Message(systemSender, systemSender.getConcreteReplyTos(), recipients,
messages.getMessage("message.subject.grouping.change"), message, "");
}
}