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añadidos ficheros a falta de modificar el servicio y el controlador redsys

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Jaime Jiménez
2025-11-02 17:14:29 +01:00
parent 4d451cc85e
commit dc8b67b937
25 changed files with 1115 additions and 3 deletions
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src/main/java/com/imprimelibros/erp/payments/PaymentService.java Normal file
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package com.imprimelibros.erp.payments;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.imprimelibros.erp.payments.model.*;
import com.imprimelibros.erp.payments.repo.PaymentRepository;
import com.imprimelibros.erp.payments.repo.PaymentTransactionRepository;
import com.imprimelibros.erp.payments.repo.RefundRepository;
import com.imprimelibros.erp.redsys.RedsysService;
import com.imprimelibros.erp.redsys.RedsysService.FormPayload;
import com.imprimelibros.erp.redsys.RedsysService.Notification;
import com.imprimelibros.erp.redsys.RedsysService.PaymentRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDateTime;
import java.util.Objects;
import java.util.UUID;
@Service
public class PaymentService {
private final PaymentRepository payRepo;
private final PaymentTransactionRepository txRepo;
private final RefundRepository refundRepo;
private final RedsysService redsysService;
private final ObjectMapper om = new ObjectMapper();
@Autowired
public PaymentService(PaymentRepository payRepo,
PaymentTransactionRepository txRepo,
RefundRepository refundRepo,
RedsysService redsysService) {
this.payRepo = payRepo;
this.txRepo = txRepo;
this.refundRepo = refundRepo;
this.redsysService = redsysService;
}
/** Crea Payment y devuelve form auto-submit Redsys. Ds_Order = 12 dígitos con el ID. */
@Transactional
public FormPayload createRedsysPayment(Long orderId, long amountCents, String currency) throws Exception {
Payment p = new Payment();
p.setOrderId(orderId);
p.setCurrency(currency);
p.setAmountTotalCents(amountCents);
p.setGateway("redsys");
p.setStatus(PaymentStatus.REQUIRES_PAYMENT_METHOD);
p = payRepo.saveAndFlush(p);
String dsOrder = String.format("%012d", p.getId());
p.setGatewayOrderId(dsOrder);
payRepo.save(p);
PaymentRequest req = new PaymentRequest(dsOrder, amountCents, "Compra en Imprimelibros", "card");
return redsysService.buildRedirectForm(req);
}
/** Procesa notificación Redsys (ok/notify). Idempotente. */
@Transactional
public void handleRedsysNotification(String dsSignature, String dsMerchantParameters) throws Exception {
Notification notif = redsysService.validateAndParseNotification(dsSignature, dsMerchantParameters);
Payment p = payRepo.findByGatewayAndGatewayOrderId("redsys", notif.getOrder())
.orElseThrow(() -> new IllegalStateException("Payment no encontrado para Ds_Order " + notif.getOrder()));
if (!Objects.equals(p.getCurrency(), notif.getCurrency()))
throw new IllegalStateException("Divisa inesperada");
if (!Objects.equals(p.getAmountTotalCents(), notif.getAmountCents()))
throw new IllegalStateException("Importe inesperado");
// ¿Ya registrado? Si ya capturaste, no repitas.
if (p.getStatus() == PaymentStatus.CAPTURED || p.getStatus() == PaymentStatus.PARTIALLY_REFUNDED || p.getStatus() == PaymentStatus.REFUNDED) {
return; // idempotencia simple a nivel Payment
}
PaymentTransaction tx = new PaymentTransaction();
tx.setPayment(p);
tx.setType(PaymentTransactionType.CAPTURE);
tx.setCurrency(p.getCurrency());
tx.setAmountCents(notif.getAmountCents());
tx.setStatus(notif.isAuthorized() ? PaymentTransactionStatus.SUCCEEDED : PaymentTransactionStatus.FAILED);
// En Redsys el authorization code suele estar en Ds_AuthorisationCode
Object authCode = notif.getRaw().get("Ds_AuthorisationCode");
tx.setGatewayTransactionId(authCode != null ? String.valueOf(authCode) : null);
tx.setGatewayResponseCode(notif.getResponse());
tx.setResponsePayload(om.writeValueAsString(notif.getRaw()));
tx.setProcessedAt(LocalDateTime.now());
txRepo.save(tx);
if (notif.isAuthorized()) {
p.setAuthorizationCode(tx.getGatewayTransactionId());
p.setStatus(PaymentStatus.CAPTURED);
p.setAmountCapturedCents(p.getAmountCapturedCents() + notif.getAmountCents());
p.setAuthorizedAt(LocalDateTime.now());
p.setCapturedAt(LocalDateTime.now());
} else {
p.setStatus(PaymentStatus.FAILED);
p.setFailedAt(LocalDateTime.now());
}
payRepo.save(p);
}
/** Refund (simulado a nivel pasarela; actualiza BD). Sustituye gatewayRefundId por el real cuando lo tengas. */
@Transactional
public void refundViaRedsys(Long paymentId, long amountCents, String idempotencyKey) {
Payment p = payRepo.findById(paymentId)
.orElseThrow(() -> new IllegalArgumentException("Payment no encontrado"));
if (amountCents <= 0) throw new IllegalArgumentException("Importe inválido");
long maxRefundable = p.getAmountCapturedCents() - p.getAmountRefundedCents();
if (amountCents > maxRefundable) throw new IllegalStateException("Importe de devolución supera lo capturado");
txRepo.findByIdempotencyKey(idempotencyKey)
.ifPresent(t -> { throw new IllegalStateException("Reembolso ya procesado"); });
Refund r = new Refund();
r.setPayment(p);
r.setAmountCents(amountCents);
r.setStatus(RefundStatus.PENDING);
r.setRequestedAt(LocalDateTime.now());
r = refundRepo.save(r);
String gatewayRefundId = "REF-" + UUID.randomUUID(); // TODO: sustituir por el ID real de Redsys si usas su canal de devoluciones
PaymentTransaction tx = new PaymentTransaction();
tx.setPayment(p);
tx.setType(PaymentTransactionType.REFUND);
tx.setStatus(PaymentTransactionStatus.SUCCEEDED);
tx.setAmountCents(amountCents);
tx.setCurrency(p.getCurrency());
tx.setGatewayTransactionId(gatewayRefundId);
tx.setIdempotencyKey(idempotencyKey);
tx.setProcessedAt(LocalDateTime.now());
txRepo.save(tx);
r.setStatus(RefundStatus.SUCCEEDED);
r.setTransaction(tx);
r.setGatewayRefundId(gatewayRefundId);
r.setProcessedAt(LocalDateTime.now());
refundRepo.save(r);
p.setAmountRefundedCents(p.getAmountRefundedCents() + amountCents);
if (p.getAmountRefundedCents().equals(p.getAmountCapturedCents())) {
p.setStatus(PaymentStatus.REFUNDED);
} else {
p.setStatus(PaymentStatus.PARTIALLY_REFUNDED);
}
payRepo.save(p);
}
/** Transferencia bancaria: crea Payment en espera de ingreso. */
@Transactional
public Payment createBankTransferPayment(Long orderId, long amountCents, String currency) {
Payment p = new Payment();
p.setOrderId(orderId);
p.setCurrency(currency);
p.setAmountTotalCents(amountCents);
p.setGateway("bank_transfer");
p.setStatus(PaymentStatus.REQUIRES_ACTION);
return payRepo.save(p);
}
/** Marca transferencia como conciliada (capturada). */
@Transactional
public void markBankTransferAsCaptured(Long paymentId) {
Payment p = payRepo.findById(paymentId).orElseThrow();
if (!"bank_transfer".equals(p.getGateway())) throw new IllegalStateException("No es transferencia");
p.setAmountCapturedCents(p.getAmountTotalCents());
p.setCapturedAt(LocalDateTime.now());
p.setStatus(PaymentStatus.CAPTURED);
payRepo.save(p);
PaymentTransaction tx = new PaymentTransaction();
tx.setPayment(p);
tx.setType(PaymentTransactionType.CAPTURE);
tx.setStatus(PaymentTransactionStatus.SUCCEEDED);
tx.setAmountCents(p.getAmountTotalCents());
tx.setCurrency(p.getCurrency());
tx.setProcessedAt(LocalDateTime.now());
txRepo.save(tx);
}
}