DegreeUnit.java

/**
 * 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.domain.organizationalStructure;

import java.util.Collection;

import org.apache.commons.lang.StringUtils;
import org.fenixedu.academic.domain.Degree;
import org.fenixedu.academic.domain.Department;
import org.fenixedu.academic.domain.administrativeOffice.AdministrativeOffice;
import org.fenixedu.academic.domain.exceptions.DomainException;
import org.fenixedu.academic.util.MultiLanguageString;
import org.fenixedu.spaces.domain.Space;
import org.joda.time.YearMonthDay;

public class DegreeUnit extends DegreeUnit_Base {

    private DegreeUnit() {
        super();
        super.setType(PartyTypeEnum.DEGREE_UNIT);
    }

    public static DegreeUnit createNewInternalDegreeUnit(MultiLanguageString unitName, String unitNameCard,
            Integer costCenterCode, String acronym, YearMonthDay beginDate, YearMonthDay endDate, Unit parentUnit,
            AccountabilityType accountabilityType, String webAddress, Degree degree, UnitClassification classification,
            Boolean canBeResponsibleOfSpaces, Space campus) {

        DegreeUnit degreeUnit = new DegreeUnit();
        degreeUnit.init(unitName, unitNameCard, costCenterCode, acronym, beginDate, endDate, webAddress, classification, null,
                canBeResponsibleOfSpaces, campus);
        degreeUnit.setDegree(degree);
        degreeUnit.addParentUnit(parentUnit, accountabilityType);

        checkIfAlreadyExistsOneDegreeWithSameAcronym(degreeUnit);

        return degreeUnit;
    }

    @Override
    public void edit(MultiLanguageString unitName, String unitNameCard, Integer unitCostCenter, String acronym,
            YearMonthDay beginDate, YearMonthDay endDate, String webAddress, UnitClassification classification,
            Department department, Degree degree, AdministrativeOffice administrativeOffice, Boolean canBeResponsibleOfSpaces,
            Space campus) {

        super.edit(unitName, unitNameCard, unitCostCenter, acronym, beginDate, endDate, webAddress, classification, department,
                degree, administrativeOffice, canBeResponsibleOfSpaces, campus);
        setDegree(degree);

        checkIfAlreadyExistsOneDegreeWithSameAcronym(this);
    }

    @Override
    public Accountability addParentUnit(Unit parentUnit, AccountabilityType accountabilityType) {
        if (parentUnit != null && !parentUnit.isInternal()) {
            throw new DomainException("error.unit.invalid.parentUnit");
        }
        return super.addParentUnit(parentUnit, accountabilityType);
    }

    @Override
    public void setAcronym(String acronym) {
        if (StringUtils.isEmpty(acronym)) {
            throw new DomainException("error.unit.empty.acronym");
        }
        super.setAcronym(acronym);
    }

    @Override
    public void setType(PartyTypeEnum partyTypeEnum) {
        throw new DomainException("unit.impossible.set.type");
    }

    @Override
    public boolean isDegreeUnit() {
        return true;
    }

    @Override
    public void setDegree(Degree degree) {
        if (degree == null) {
            throw new DomainException("error.DegreeUnit.empty.degree");
        }
        super.setDegree(degree);
    }

    @Override
    public void delete() {
        super.setDegree(null);
        super.delete();
    }

    private static void checkIfAlreadyExistsOneDegreeWithSameAcronym(DegreeUnit degreeUnit) {
        for (Unit unit : UnitUtils.readInstitutionUnit().getAllSubUnits()) {
            if (!unit.equals(degreeUnit) && unit.isDegreeUnit() && degreeUnit.getAcronym().equalsIgnoreCase(unit.getAcronym())) {
                throw new DomainException("error.unit.already.exists.unit.with.same.name.or.acronym");
            }
        }
    }

    public SchoolUnit getSchoolUnit() {
        Unit current = this;
        while (current != null) {
            if (current.getType().equals(PartyTypeEnum.SCHOOL)) {
                return (SchoolUnit) current;
            }
            Collection<Unit> parentUnits = current.getParentUnits(AccountabilityTypeEnum.ACADEMIC_STRUCTURE);
            current = parentUnits.size() > 0 ? parentUnits.iterator().next() : null;
        }
        return null;
    }
}