/*
 * Created on 25/01/2005
 */
package net.sourceforge.fenixedu.applicationTier.Servico.commons;

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionPeriod;
import net.sourceforge.fenixedu.domain.ExecutionSemester;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.Professorship;
import net.sourceforge.fenixedu.domain.Teacher;
import net.sourceforge.fenixedu.util.PeriodState;
import pt.ist.fenixWebFramework.services.Service;

/**
 * @author joaosa and rmalo
 */
public class ReadOpenExecutionPeriodsByTeacherExecutionCourses extends FenixService {

    @Service
    public static List run(IUserView userView) throws FenixServiceException {

	final List<InfoExecutionPeriod> result = new ArrayList<InfoExecutionPeriod>();
	final Person person = userView.getPerson();
	final Teacher teacher = person != null ? person.getTeacher() : null;
	final List<ExecutionSemester> executionSemesters = new ArrayList<ExecutionSemester>();

	for (final Professorship professorship : teacher.getProfessorshipsSet()) {
	    final ExecutionSemester executionSemester = professorship.getExecutionCourse().getExecutionPeriod();
	    final PeriodState periodState = executionSemester.getState();
	    if (!executionSemesters.contains(executionSemester)
		    && (periodState.getStateCode().equals("C") || periodState.getStateCode().equals("O"))) {
		executionSemesters.add(executionSemester);
	    }
	}

	for (final ExecutionSemester executionSemester : executionSemesters) {
	    result.add(InfoExecutionPeriod.newInfoFromDomain(executionSemester));
	}
	return result;
    }

}