/**
* 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.accounting.util;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Random;
import java.util.Set;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.commons.lang.StringUtils;
import org.fenixedu.academic.domain.Person;
import org.fenixedu.academic.domain.accounting.PaymentCode;
import org.fenixedu.academic.domain.accounting.PaymentCodeType;
import org.fenixedu.academic.domain.accounting.paymentCodes.IndividualCandidacyPaymentCode;
import org.fenixedu.bennu.core.domain.Bennu;
/**
* Code Format: 8<sequentialNumber{4}><typeDigit{2}><controlDigits{2}>
*
*/
public class IndividualCandidacyPaymentCodeGenerator extends PaymentCodeGenerator {
public static Comparator<PaymentCode> COMPARATOR_BY_PAYMENT_SEQUENTIAL_DIGITS = new Comparator<PaymentCode>() {
@Override
public int compare(PaymentCode leftPaymentCode, PaymentCode rightPaymentCode) {
final String leftSequentialNumber = getSequentialNumber(leftPaymentCode);
final String rightSequentialNumber = getSequentialNumber(rightPaymentCode);
int comparationResult = leftSequentialNumber.compareTo(rightSequentialNumber);
return (comparationResult == 0) ? leftPaymentCode.getExternalId().compareTo(rightPaymentCode.getExternalId()) : comparationResult;
}
};
private static final String CODE_FILLER = "0";
private static final int NUM_TYPE_DIGITS = 2;
private static final int NUM_CONTROL_DIGITS = 2;
private static final int NUM_SEQUENTIAL_NUMBERS = 4;
private static final String START = "8";
@Override
public boolean canGenerateNewCode(PaymentCodeType paymentCodeType, Person person) {
final PaymentCode lastPaymentCode = findLastPaymentCode(paymentCodeType);
return lastPaymentCode == null ? true : Integer.valueOf(getSequentialNumber(lastPaymentCode)) < 9999;
}
private PaymentCode findLastPaymentCode(PaymentCodeType paymentCodeType) {
final List<IndividualCandidacyPaymentCode> individualCandidacyPaymentCodes =
getAllIndividualCandidacyPaymentCodesForType(paymentCodeType);
return individualCandidacyPaymentCodes.isEmpty() ? null : Collections.max(individualCandidacyPaymentCodes,
COMPARATOR_BY_PAYMENT_SEQUENTIAL_DIGITS);
}
private List<IndividualCandidacyPaymentCode> getAllIndividualCandidacyPaymentCodesForType(
final PaymentCodeType paymentCodeType) {
Set<PaymentCode> allPaymentCodes = Bennu.getInstance().getPaymentCodesSet();
List<IndividualCandidacyPaymentCode> outputList = new ArrayList<IndividualCandidacyPaymentCode>();
CollectionUtils.select(allPaymentCodes, new Predicate() {
@Override
public boolean evaluate(Object arg0) {
PaymentCode paymentCode = (PaymentCode) arg0;
return paymentCodeType.equals(paymentCode.getType());
}
}, outputList);
return outputList;
}
@Override
public String generateNewCodeFor(PaymentCodeType paymentCodeType, Person person) {
final PaymentCode lastPaymentCode = findLastPaymentCode(paymentCodeType);
int nextSequentialNumber = lastPaymentCode == null ? 0 : Integer.valueOf(getSequentialNumber(lastPaymentCode)) + 1;
String sequentialNumberPadded =
StringUtils.leftPad(String.valueOf(nextSequentialNumber), NUM_SEQUENTIAL_NUMBERS, CODE_FILLER);
String typeDigitsPadded =
StringUtils.leftPad(String.valueOf(paymentCodeType.getTypeDigit()), NUM_TYPE_DIGITS, CODE_FILLER);
String controDigitsPadded =
StringUtils.leftPad(String.valueOf((new Random()).nextInt(99)), NUM_CONTROL_DIGITS, CODE_FILLER);
return START + sequentialNumberPadded + typeDigitsPadded + controDigitsPadded;
}
private static String getSequentialNumber(PaymentCode paymentCode) {
String sequentialNumber =
paymentCode.getCode().substring(1, paymentCode.getCode().length() - NUM_CONTROL_DIGITS - NUM_TYPE_DIGITS);
return sequentialNumber;
}
@Override
public boolean isCodeMadeByThisFactory(PaymentCode paymentCode) {
return paymentCode.getCode().startsWith(START);
}
}