/**
* 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.filter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.fenixedu.academic.domain.Coordinator;
import org.fenixedu.academic.domain.CurricularCourse;
import org.fenixedu.academic.domain.ExecutionCourse;
import org.fenixedu.academic.domain.ExecutionDegree;
import org.fenixedu.academic.domain.Person;
import org.fenixedu.academic.domain.Professorship;
import org.fenixedu.academic.domain.Teacher;
import org.fenixedu.academic.domain.person.RoleType;
import org.fenixedu.academic.service.services.exceptions.NotAuthorizedException;
import org.fenixedu.bennu.core.domain.User;
import org.fenixedu.bennu.core.security.Authenticate;
import pt.ist.fenixframework.FenixFramework;
//modified by gedl AT rnl dot IST dot uTl dot pT , September the 16th, 2003
//added the auth to a lecturing teacher
/**
* @author Nuno Nunes (nmsn@rnl.ist.utl.pt)
*
*/
public class ReadShiftsByExecutionCourseIDAuthorizationFilter extends Filtro {
public static final ReadShiftsByExecutionCourseIDAuthorizationFilter instance =
new ReadShiftsByExecutionCourseIDAuthorizationFilter();
public ReadShiftsByExecutionCourseIDAuthorizationFilter() {
}
public void execute(String executionCourseID) throws NotAuthorizedException {
User id = Authenticate.getUser();
if ((((id != null && !containsRoleType(id)) || (id != null && !hasPrivilege(id, executionCourseID)) || (id == null)))
&& (!lecturesExecutionCourse(id, executionCourseID))) {
throw new NotAuthorizedException();
}
}
/**
* @return The Needed Roles to Execute The Service
*/
@Override
protected Collection<RoleType> getNeededRoleTypes() {
List<RoleType> roles = new ArrayList<RoleType>();
roles.add(RoleType.RESOURCE_ALLOCATION_MANAGER);
roles.add(RoleType.COORDINATOR);
return roles;
}
/**
* @param id
* @param argumentos
* @return
*/
private boolean hasPrivilege(User id, String executionCourseID) {
if (id.getPerson().hasRole(RoleType.RESOURCE_ALLOCATION_MANAGER)) {
return true;
}
if (id.getPerson().hasRole(RoleType.COORDINATOR)) {
final Person person = id.getPerson();
ExecutionCourse executionCourse = FenixFramework.getDomainObject(executionCourseID);
// For all Associated Curricular Courses
Iterator curricularCourseIterator = executionCourse.getAssociatedCurricularCoursesSet().iterator();
while (curricularCourseIterator.hasNext()) {
CurricularCourse curricularCourse = (CurricularCourse) curricularCourseIterator.next();
// Read All Execution Degrees for this Degree Curricular
// Plan
Collection executionDegrees = curricularCourse.getDegreeCurricularPlan().getExecutionDegreesSet();
// Check if the Coordinator is the logged one
Iterator executionDegreesIterator = executionDegrees.iterator();
while (executionDegreesIterator.hasNext()) {
ExecutionDegree executionDegree = (ExecutionDegree) executionDegreesIterator.next();
// modified by Tânia Pousão
Coordinator coordinator = executionDegree.getCoordinatorByTeacher(person);
if (coordinator != null) {
return true;
}
}
}
}
return false;
}
private boolean lecturesExecutionCourse(User id, String executionCourseID) {
if (executionCourseID == null) {
return false;
}
try {
Teacher teacher = Teacher.readTeacherByUsername(id.getUsername());
Professorship professorship = null;
if (teacher != null) {
ExecutionCourse executionCourse = FenixFramework.getDomainObject(executionCourseID);
teacher.getProfessorshipByExecutionCourse(executionCourse);
}
return professorship != null;
} catch (Exception e) {
return false;
}
}
}