ExternalContract.java

/**
 * Copyright © 2011 Instituto Superior Técnico
 *
 * This file is part of FenixEdu GIAF Contracts.
 *
 * FenixEdu GIAF Contracts 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 GIAF Contracts 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 GIAF Contracts.  If not, see <http://www.gnu.org/licenses/>.
 */
package pt.ist.fenixedu.contracts.domain.organizationalStructure;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.fenixedu.academic.domain.Person;
import org.fenixedu.academic.domain.exceptions.DomainException;
import org.fenixedu.academic.domain.organizationalStructure.Accountability;
import org.fenixedu.academic.domain.organizationalStructure.AccountabilityType;
import org.fenixedu.academic.domain.organizationalStructure.AccountabilityTypeEnum;
import org.fenixedu.academic.domain.organizationalStructure.Unit;
import org.fenixedu.bennu.core.domain.Bennu;
import org.joda.time.YearMonthDay;

public class ExternalContract extends ExternalContract_Base {

    public ExternalContract(Person person, Unit institution, YearMonthDay beginDate, YearMonthDay endDate) {
        super();

        if (ExternalContract.getExternalContract(person) != null) {
            throw new DomainException("error.externalContract.person.already.is.externalPerson");
        }

        super.init(person, beginDate, endDate, institution);
        AccountabilityType accountabilityType = AccountabilityType.readByType(AccountabilityTypeEnum.WORKING_CONTRACT);
        setAccountabilityType(accountabilityType);
    }

    @Override
    public void setAccountabilityType(AccountabilityType accountabilityType) {
        super.setAccountabilityType(accountabilityType);
        if (!accountabilityType.getType().equals(AccountabilityTypeEnum.WORKING_CONTRACT)) {
            throw new DomainException("error.ExternalContract.invalid.accountabilityType");
        }
    }

    @Override
    public void delete() {
        Person person = getPerson();
        super.delete();
        person.delete();
    }

    public Unit getInstitutionUnit() {
        return (Unit) getParentParty();
    }

    public boolean hasPerson() {
        return getChildParty() != null;
    }

    public boolean hasInstitutionUnit() {
        return getParentParty() != null;
    }

    private boolean externalPersonsAlreadyExists(final String name, final String address, final Unit institution) {

        for (final Accountability accountability : Bennu.getInstance().getAccountabilitysSet()) {
            if (accountability instanceof ExternalContract) {
                final ExternalContract externalPerson = (ExternalContract) accountability;
                if (externalPerson.hasPerson()) {
                    final Person person = externalPerson.getPerson();

                    if (isNameCorrect(person, name) && isAddressFieldCorrect(person, address)
                            && externalPerson.getInstitutionUnit() == institution && externalPerson != this) {
                        return true;
                    }
                }
            }
        }
        return false;
    }

    private boolean isNameCorrect(final Person person, final String name) {
        return (person.getName() != null && person.getName().equalsIgnoreCase(name))
                || (StringUtils.isEmpty(person.getName()) && name.length() == 0);
    }

    private boolean isAddressFieldCorrect(final Person person, final String address) {
        final String personAddress = person.getAddress();
        return (personAddress != null && personAddress.equalsIgnoreCase(address))
                || (StringUtils.isEmpty(personAddress) && address.length() == 0);
    }

    public static List<ExternalContract> readByPersonName(String name) {
        List<ExternalContract> allExternalPersons = new ArrayList<ExternalContract>();
        final String nameToMatch = (name == null) ? null : name.replaceAll("%", ".*").toLowerCase();
        for (Accountability accountability : Bennu.getInstance().getAccountabilitysSet()) {
            if (accountability instanceof ExternalContract) {
                ExternalContract externalPerson = (ExternalContract) accountability;
                if (externalPerson.hasPerson() && externalPerson.getPerson().getName().toLowerCase().matches(nameToMatch)) {
                    allExternalPersons.add(externalPerson);
                }
            }
        }
        return allExternalPersons;
    }

    public static ExternalContract readByPersonNameAddressAndInstitutionID(final String name, final String address,
            final String institutionID) {
        for (Accountability accountability : Bennu.getInstance().getAccountabilitysSet()) {
            if (accountability instanceof ExternalContract) {
                ExternalContract externalPerson = (ExternalContract) accountability;
                if (externalPerson.hasPerson() && externalPerson.getPerson().getName().equals(name)
                        && externalPerson.getInstitutionUnit().getExternalId().equals(institutionID)
                        && externalPerson.getPerson().hasDefaultPhysicalAddress()
                        && externalPerson.getPerson().getDefaultPhysicalAddress().getAddress().equals(address)) {
                    return externalPerson;
                }
            }
        }
        return null;
    }

    public static List<ExternalContract> readByIDs(Collection<String> accountabilityIDs) {
        List<ExternalContract> externalPersons = new ArrayList<ExternalContract>();
        if (accountabilityIDs == null || accountabilityIDs.isEmpty()) {
            return externalPersons;
        }
        for (Accountability accountability : Bennu.getInstance().getAccountabilitysSet()) {
            if (accountability instanceof ExternalContract) {
                ExternalContract externalPerson = (ExternalContract) accountability;
                if (accountabilityIDs.contains(externalPerson.getExternalId())) {
                    externalPersons.add(externalPerson);
                }
            }
        }
        return externalPersons;
    }

    public static ExternalContract getExternalContract(Person person) {
        final Collection<ExternalContract> externalContracts =
                (Collection<ExternalContract>) person.getParentAccountabilities(AccountabilityTypeEnum.WORKING_CONTRACT,
                        ExternalContract.class);

        final Iterator<ExternalContract> iter = externalContracts.iterator();
        return iter.hasNext() ? externalContracts.iterator().next() : null;
    }

}