/**
* 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.service.services.student;
import static org.fenixedu.academic.predicate.AccessControl.check;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.struts.util.MessageResources;
import org.fenixedu.academic.FenixEduAcademicConfiguration;
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.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.FenixServiceException;
import org.fenixedu.academic.service.services.exceptions.InvalidSituationServiceException;
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.Group;
import org.fenixedu.bennu.core.groups.UserGroup;
import pt.ist.fenixframework.Atomic;
import pt.ist.fenixframework.FenixFramework;
/**
* @author asnr and scpo
*
*/
public class UnEnrollStudentInGroup {
public static String mailServer() {
final String server = FenixEduAcademicConfiguration.getConfiguration().getMailSmtpHost();
return (server != null) ? server : "mail.adm";
}
private static final MessageResources messages = MessageResources.getMessageResources(Bundle.GLOBAL);
@Atomic
public static Boolean run(String userName, String studentGroupCode) throws FenixServiceException {
check(RolePredicates.STUDENT_PREDICATE);
ServiceMonitoring.logService(UnEnrollStudentInGroup.class, userName, studentGroupCode);
StudentGroup studentGroup = FenixFramework.getDomainObject(studentGroupCode);
if (studentGroup == null) {
throw new InvalidSituationServiceException();
}
final List<String> emails = new ArrayList<String>();
final Collection<Person> people = new ArrayList<Person>();
for (final Attends attends : studentGroup.getAttendsSet()) {
final Person person = attends.getRegistration().getPerson();
people.add(person);
}
final Group fixedSetGroup = UserGroup.of(Person.convertToUsers(people));
final Recipient recipient = new Recipient("", fixedSetGroup);
final Collection<Recipient> recipients = new ArrayList<Recipient>();
recipients.add(recipient);
Registration registration = Registration.readByUsername(userName);
Grouping groupProperties = studentGroup.getGrouping();
Attends attend = groupProperties.getStudentAttend(registration);
if (attend == null) {
throw new NotAuthorizedException();
}
IGroupEnrolmentStrategyFactory enrolmentGroupPolicyStrategyFactory = GroupEnrolmentStrategyFactory.getInstance();
IGroupEnrolmentStrategy strategy = enrolmentGroupPolicyStrategyFactory.getGroupEnrolmentStrategyInstance(groupProperties);
boolean resultEmpty = strategy.checkIfStudentGroupIsEmpty(attend, studentGroup);
studentGroup.removeAttends(attend);
if (resultEmpty) {
studentGroup.delete();
return Boolean.FALSE;
}
final StringBuilder executionCourseNames = new StringBuilder();
for (final ExecutionCourse executionCourse : groupProperties.getExecutionCourses()) {
if (executionCourseNames.length() > 0) {
executionCourseNames.append(", ");
}
executionCourseNames.append(executionCourse.getNome());
}
final String message =
messages.getMessage("message.body.grouping.change.unenrolment", registration.getNumber().toString(), studentGroup
.getGroupNumber().toString(), attend.getExecutionCourse().getNome());
SystemSender systemSender = Bennu.getInstance().getSystemSender();
new Message(systemSender, systemSender.getConcreteReplyTos(), recipients,
messages.getMessage("message.subject.grouping.change"), message, "");
return Boolean.TRUE;
}
}