2026-01-13 17:37:03 -04:00

461 lines
17 KiB
Java

package com.banesco.common.application.service;
import com.banesco.common.application.usecase.HttpClientUseCase;
import com.banesco.common.domain.exception.HttpApiResponseException;
import com.banesco.common.domain.exception.HttpStatusCodeException;
import com.banesco.common.domain.model.*;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;
import jakarta.ws.rs.client.*;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.Response;
import lombok.extern.slf4j.Slf4j;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
@Slf4j
@ApplicationScoped
public class HttpClientService implements HttpClientUseCase {
private final ObjectMapper objectMapper;
@Inject
public HttpClientService(ObjectMapper objectMapper) {
this.objectMapper = objectMapper;
}
@Override
public <T> T execute(HttpRequest request) {
return executeInternal(request);
}
@Override
public <T> ApiResponse<T> executeApiResponse(HttpRequest request) {
return executeInternal(request);
}
@Override
public <T> ApiResponse<List<T>> executeApiResponseList(
HttpRequest request
) {
return executeInternal(request);
}
@Override
public <T> ApiPrivateResponse<Either<T, ApiPrivateError>> executeApiPrivateResponse(
HttpRequest request
) {
return executeInternal(request);
}
@Override
public <T> ApiPrivateResponse<Either<List<T>, ApiPrivateError>> executeApiPrivateResponseList(
HttpRequest request
) {
return executeInternal(request);
}
private <T> T executeInternal(HttpRequest request) {
String finalUrl = buildFinalUrl(request);
if (request.isLogRequestBody()) {
log.info("URL final: {}", finalUrl);
if (request.getHeaders() != null && !request.getHeaders().isEmpty()) {
log.info("Headers: {}", request.getHeaders());
}
if (request.getQueryParams() != null && !request.getQueryParams().isEmpty()) {
log.info("Query params: {}", request.getQueryParams());
}
if (request.getBody() != null) {
log.info("Body: {}", request.getBody());
}
}
try (Client client = createClient(request.getConnectTimeout(), request.getReadTimeout())) {
WebTarget target = client.target(finalUrl);
Invocation.Builder builder = target.request(MediaType.APPLICATION_JSON);
if (request.getHeaders() != null) {
request.getHeaders().forEach(builder::header);
}
Response response = buildRequest(builder, request);
return handleResponse(request, response);
} catch (HttpStatusCodeException | HttpApiResponseException e) {
throw e;
} catch (Exception e) {
log.error("Error de conexion {}: {}", request.getMethod(), e.getMessage());
throw HttpStatusCodeException.serviceUnavailable(
"503",
"Error de conexion con el servicio externo: " + e.getMessage()
);
}
}
private String buildFinalUrl(HttpRequest request) {
String finalUrl = request.getUrl();
if (request.getPathParams() != null && !request.getPathParams().isEmpty()) {
for (Map.Entry<String, String> entry : request.getPathParams().entrySet()) {
String placeholder = "{" + entry.getKey() + "}";
finalUrl = finalUrl.replace(placeholder, entry.getValue());
}
}
return appendQueryParams(finalUrl, request.getQueryParams());
}
private String appendQueryParams(String url, Map<String, String> queryParams) {
if (queryParams == null || queryParams.isEmpty()) {
return url;
}
StringBuilder urlBuilder = new StringBuilder(url);
boolean firstParam = !url.contains("?");
for (Map.Entry<String, String> entry : queryParams.entrySet()) {
if (firstParam) {
urlBuilder.append("?");
firstParam = false;
} else {
urlBuilder.append("&");
}
urlBuilder.append(entry.getKey())
.append("=")
.append(entry.getValue() != null ? entry.getValue() : "");
}
return urlBuilder.toString();
}
private Response buildRequest(
Invocation.Builder builder,
HttpRequest request
) {
log.info("Metodo HTTP: {}", request.getMethod().name());
return switch (request.getMethod()) {
case GET -> builder.get();
case POST -> builder.post(Entity.entity(request.getBody(), MediaType.APPLICATION_JSON));
case PUT -> builder.put(Entity.entity(request.getBody(), MediaType.APPLICATION_JSON));
case DELETE -> builder.delete();
case PATCH -> builder.method("PATCH", Entity.entity(request.getBody(), MediaType.APPLICATION_JSON));
case HEAD -> builder.head();
case OPTIONS -> builder.options();
default -> throw new IllegalArgumentException("Metodo HTTP no soportado: " + request.getMethod());
};
}
private Client createClient(int connectTimeout, int readTimeout) {
return ClientBuilder.newBuilder()
.connectTimeout(connectTimeout, TimeUnit.MILLISECONDS)
.readTimeout(readTimeout, TimeUnit.MILLISECONDS)
.build();
}
private <T> T handleResponse(
HttpRequest request,
Response response
) {
int statusCode = response.getStatus();
log.info("Respuesta {} - Status: {}", request.getMethod(), statusCode);
try (response) {
String responseBody = response.readEntity(String.class);
if (request.isLogResponseBody()) {
log.info("Respuesta Cuerpo: {}", responseBody);
}
if (statusCode >= 200 && statusCode < 300) {
if (request.getResponseType() == Void.class || request.getResponseType() == void.class) {
return null;
}
T result = responseResult(request, responseBody);
log.debug("Respuesta exitosa {} {}: {}", request.getMethod(), request.getUrl(), result);
return result;
} else {
log.error(
"Error HTTP {} {} - Status: {} - Body: {}",
request.getMethod(),
request.getUrl(),
statusCode,
responseBody
);
if (isApiResponseFormat(responseBody)) {
ApiResponse<?> apiResponse = deserializeApiResponse(responseBody, request);
throw new HttpApiResponseException(statusCode, apiResponse);
} else {
throw mapHttpStatusToException(statusCode, responseBody);
}
}
} catch (HttpStatusCodeException | HttpApiResponseException e) {
throw e;
} catch (Exception e) {
log.error(
"Error procesando respuesta {} {}: {}",
request.getMethod(),
request.getUrl(),
e.getMessage()
);
throw HttpStatusCodeException.internalServer(
"500", "Error procesando respuesta del servicio externo: " + e.getMessage()
);
}
}
private <T> T responseResult(
HttpRequest request,
String responseBody
) throws JsonProcessingException {
if (request.isApiPrivateResponse() && request.isEitherResponse()) {
return handleApiPrivateResponseWithEither(request, responseBody);
}
T result;
if (request.getResponseType() == ApiResponse.class) {
result = deserializeApiResponse(responseBody, request);
} else if (request.getComplexType() != null) {
JavaType javaType = objectMapper.getTypeFactory().constructParametricType(
request.getResponseType(), objectMapper.getTypeFactory().constructType(request.getComplexType())
);
result = objectMapper.readValue(responseBody, javaType);
} else if (request.getGenericType() != null) {
JavaType javaType = objectMapper.getTypeFactory().constructParametricType(
request.getResponseType(), objectMapper.getTypeFactory().constructType(request.getGenericType())
);
result = objectMapper.readValue(responseBody, javaType);
} else {
result = objectMapper.readValue(
responseBody, objectMapper.getTypeFactory().constructType(request.getResponseType())
);
}
return result;
}
private <T> T handleApiPrivateResponseWithEither(
HttpRequest request,
String responseBody
) throws JsonProcessingException {
JsonNode rootNode = objectMapper.readTree(responseBody);
String status = rootNode.has("estatus") ? rootNode.get("estatus").asText() : null;
String message = rootNode.has("mensaje") ? rootNode.get("mensaje").asText() : null;
JsonNode detailNode = rootNode.get("detalle");
if (request.getStatusSuccess().equals(status)) {
return handleSuccessResponse(request, status, message, detailNode);
} else {
return handleErrorResponse(status, message, detailNode);
}
}
@SuppressWarnings("unchecked")
private <T> T handleSuccessResponse(
HttpRequest request,
String status,
String message,
JsonNode detailNode
) {
Object successData;
if (request.isListResponse()) {
successData = handleListSuccess(request, detailNode);
ApiPrivateResponse<Either<List<Object>, ApiPrivateError>> response = new ApiPrivateResponse<>();
response.setEstatus(status);
response.setMensaje(message);
response.setDetalle(Either.left((List<Object>) successData));
return (T) response;
} else {
successData = handleObjectSuccess(request, detailNode);
ApiPrivateResponse<Either<Object, ApiPrivateError>> response = new ApiPrivateResponse<>();
response.setEstatus(status);
response.setMensaje(message);
response.setDetalle(Either.left(successData));
return (T) response;
}
}
private Object handleListSuccess(
HttpRequest request,
JsonNode detailNode
) {
Class<?> elementType = getElementTypeFromRequest(request);
JavaType listType = objectMapper.getTypeFactory().constructCollectionType(List.class, elementType);
if (detailNode != null && !detailNode.isNull()) {
return objectMapper.convertValue(detailNode, listType);
}
return List.of();
}
private Object handleObjectSuccess(
HttpRequest request,
JsonNode detailNode
) {
Class<?> elementType = getElementTypeFromRequest(request);
if (detailNode != null && !detailNode.isNull()) {
return objectMapper.convertValue(detailNode, elementType);
}
return null;
}
@SuppressWarnings("unchecked")
private <T> T handleErrorResponse(
String status,
String message,
JsonNode detailNode
) {
ApiPrivateError error = buildApiPrivateError(detailNode, message);
ApiPrivateResponse<Either<Object, ApiPrivateError>> response = new ApiPrivateResponse<>();
response.setEstatus(status);
response.setMensaje(message);
response.setDetalle(Either.right(error));
return (T) response;
}
private ApiPrivateError buildApiPrivateError(
JsonNode detailNode,
String message
) {
if (detailNode != null && !detailNode.isNull()) {
try {
return objectMapper.convertValue(detailNode, ApiPrivateError.class);
} catch (Exception e) {
log.warn("Cannot map detail to ApiPrivateError, creating default error. Detail: {}", detailNode);
}
}
return ApiPrivateError.builder()
.codError(null)
.mensajeError(message)
.constraintName(null)
.build();
}
private Class<?> getElementTypeFromRequest(HttpRequest request) {
if (request.getGenericType() != null) {
return request.getGenericType();
}
if (request.getComplexType() instanceof ParameterizedType pt) {
Type[] typeArgs = pt.getActualTypeArguments();
if (typeArgs.length > 0) {
Type firstArg = typeArgs[0];
if (firstArg instanceof ParameterizedType innerPt) {
Type[] innerArgs = innerPt.getActualTypeArguments();
if (innerArgs.length > 0 && innerArgs[0] instanceof Class<?> innerClass) {
return innerClass;
}
} else if (firstArg instanceof Class<?> elementClass) {
return elementClass;
}
}
}
log.warn("No se pudo determinar el elementType del request, usando Object.class");
return Object.class;
}
@SuppressWarnings("unchecked")
private <T> T deserializeApiResponse(
String responseBody,
HttpRequest request
) {
try {
if (request.getGenericType() != null) {
JavaType javaType = objectMapper.getTypeFactory().constructParametricType(
ApiResponse.class,
objectMapper.getTypeFactory().constructType(request.getGenericType())
);
return objectMapper.readValue(responseBody, javaType);
} else {
return (T) objectMapper.readValue(responseBody, ApiResponse.class);
}
} catch (JsonProcessingException e) {
log.error("Error deserializando respuesta JSON: {}", e.getMessage());
throw HttpStatusCodeException.internalServer(
"500", "Error deserializando respuesta JSON: " + e.getMessage()
);
} catch (Exception e) {
log.error("Error desconocido al deserializar respuesta: {}", e.getMessage());
throw HttpStatusCodeException.internalServer(
"500", "Error desconocido al deserializar respuesta: " + e.getMessage()
);
}
}
private boolean isApiResponseFormat(String responseBody) {
try {
if (responseBody == null || responseBody.trim().isEmpty()) {
return false;
}
return responseBody.contains("\"data\"") &&
responseBody.contains("\"statusResponse\"") &&
responseBody.contains("\"statusCode\"") &&
responseBody.contains("\"message\"");
} catch (Exception e) {
return false;
}
}
private HttpStatusCodeException mapHttpStatusToException(
int statusCode,
String errorBody
) {
String errorCode = "HTTP_" + statusCode;
String defaultMessage = "Error en servicio externo: HTTP " + statusCode;
String message = errorBody != null && !errorBody.isEmpty()
? errorBody
: defaultMessage;
return switch (statusCode) {
case 400 -> HttpStatusCodeException.badRequest(errorCode, message);
case 401 -> HttpStatusCodeException.unauthorized(errorCode, message);
case 403 -> HttpStatusCodeException.forbidden(errorCode, message);
case 404 -> HttpStatusCodeException.notFound(errorCode, message);
case 405 -> HttpStatusCodeException.methodNotAllowed(errorCode, message);
case 408 -> HttpStatusCodeException.fromStatusCode(408, errorCode, message);
case 409 -> HttpStatusCodeException.conflict(errorCode, message);
case 410 -> HttpStatusCodeException.gone(errorCode, message);
case 412 -> HttpStatusCodeException.preconditionFailed(errorCode, message);
case 415 -> HttpStatusCodeException.unsupportedMediaType(errorCode, message);
case 422 -> HttpStatusCodeException.unprocessableEntity(errorCode, message);
case 429 -> HttpStatusCodeException.tooManyRequests(errorCode, message);
case 500 -> HttpStatusCodeException.internalServer(errorCode, message);
case 501 -> HttpStatusCodeException.notImplemented(errorCode, message);
case 502 -> HttpStatusCodeException.badGateway(errorCode, message);
case 503 -> HttpStatusCodeException.serviceUnavailable(errorCode, message);
case 504 -> HttpStatusCodeException.gatewayTimeout(errorCode, message);
default -> HttpStatusCodeException.fromStatusCode(statusCode, errorCode, message);
};
}
}