modificando carrito

src/main/java/com/imprimelibros/erp/externalApi/skApiClient.java

@@ -6,6 +6,7 @@ import org.springframework.http.*;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.HttpClientErrorException;
 import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponentsBuilder;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -20,6 +21,7 @@ import com.imprimelibros.erp.presupuesto.dto.Presupuesto.TipoEncuadernacion;
 import java.util.Map;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
+import java.net.URI;
 import java.util.HashMap;
 import java.util.List;
 import java.util.function.Supplier;
@@ -219,6 +221,49 @@ public class skApiClient {
         }
     }
 
+    public Map<String, Object> getCosteEnvio(Map<String, Object> data, Locale locale) {
+
+        return performWithRetryMap(() -> {
+            String url = this.skApiUrl + "api/calcular-envio";
+
+            URI uri = UriComponentsBuilder.fromUriString(url)
+                    .queryParam("pais_code3", data.get("pais_code3"))
+                    .queryParam("cp", data.get("cp"))
+                    .queryParam("peso", data.get("peso"))
+                    .queryParam("unidades", data.get("unidades"))
+                    .queryParam("palets", data.get("palets"))
+                    .build(true) // no re-encode []
+                    .toUri();
+            HttpHeaders headers = new HttpHeaders();
+            headers.setBearerAuth(authService.getToken());
+
+            
+            ResponseEntity<String> response = restTemplate.exchange(
+                    uri,
+                    HttpMethod.GET,
+                    new HttpEntity<>(headers),
+                    String.class);
+
+            try {
+                Map<String, Object> responseBody = new ObjectMapper().readValue(
+                        response.getBody(),
+                        new TypeReference<Map<String, Object>>() {
+                        });
+                Boolean error = (Boolean) responseBody.get("error");
+                if (error != null && error) {
+                    return Map.of("error", messageSource.getMessage("direcciones.error.noShippingCost", null, locale));
+                } else {
+                    Double total = (Double) responseBody.get("data");
+                    return Map.of("data", total);
+                }
+            } catch (JsonProcessingException e) {
+                e.printStackTrace();
+                return Map.of("error", "Internal Server Error: 1"); // Fallback en caso de error
+            }
+        });
+
+    }
+
     /******************
      * PRIVATE METHODS
      ******************/
@@ -236,6 +281,20 @@ public class skApiClient {
         }
     }
 
+    private Map<String, Object> performWithRetryMap(Supplier<Map<String, Object>> request) {
+        try {
+            return request.get();
+        } catch (HttpClientErrorException.Unauthorized e) {
+            // Token expirado, renovar y reintentar
+            authService.invalidateToken();
+            try {
+                return request.get(); // segundo intento
+            } catch (HttpClientErrorException ex) {
+                throw new RuntimeException("La autenticación ha fallado tras renovar el token.", ex);
+            }
+        }
+    }
+
     private static BigDecimal calcularMargen(
             BigDecimal importe, BigDecimal importeMin, BigDecimal importeMax,
             BigDecimal margenMax, BigDecimal margenMin) {