añadida validacion en el backend para datos generales

src/main/java/com/imprimelibros/erp/controller/HomeController.java

@@ -1,24 +1,46 @@
 package com.imprimelibros.erp.controller;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.MessageSource;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 
+import com.imprimelibros.erp.i18n.TranslationService;
+import com.imprimelibros.erp.service.VariableService;
+
+import org.springframework.security.authentication.AnonymousAuthenticationToken;
+import org.springframework.security.core.Authentication;
+
+import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 
 @Controller
 public class HomeController {
 
     @Autowired
-    private MessageSource messageSource;
+    private TranslationService translationService;
+    @Autowired
+    private VariableService variableService;
 
     @GetMapping("/")
-    public String index(Model model, Locale locale) {
-        //model.addAttribute("title", messageSource.getMessage("t-home", null, locale));
-        model.addAttribute("title", "Inicio");
-        return "imprimelibros/home"; 
+    public String index(Model model, Authentication authentication, Locale locale) {
+
+        boolean isAuthenticated = authentication != null && authentication.isAuthenticated()
+                && !(authentication instanceof AnonymousAuthenticationToken);
+
+        if (!isAuthenticated) {
+
+            List<String> keys = List.of(
+                    "presupuesto.plantilla-cubierta",
+                    "presupuesto.plantilla-cubierta-text",
+                    "presupuesto.impresion-cubierta",
+                    "presupuesto.impresion-cubierta-help");
+
+            Map<String, String> translations = translationService.getTranslations(locale, keys);
+            model.addAttribute("languageBundle", translations);
+            model.addAttribute("pod", variableService.getValorEntero("POD"));
+        }
+        return "imprimelibros/home";
     }
 }
-

src/main/java/com/imprimelibros/erp/controller/PresupuestoController.java

@@ -0,0 +1,53 @@
+package com.imprimelibros.erp.controller;
+
+import org.springframework.web.bind.annotation.RestController;
+
+import com.imprimelibros.erp.service.PresupuestoService;
+
+import java.util.HashMap;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import jakarta.validation.Valid; // o javax.validation.Valid según tu versión
+
+import java.util.Map;
+
+import com.imprimelibros.erp.config.validation.PresupuestoValidationGroups;
+import com.imprimelibros.erp.entity.Presupuesto;
+
+@RestController
+@RequestMapping("/presupuesto")
+public class PresupuestoController {
+
+    @Autowired
+    protected PresupuestoService presupuestoService;
+
+    @PostMapping("/validar/datos-generales")
+    public ResponseEntity<?> validarDatosGenerales(
+            @Validated(PresupuestoValidationGroups.DatosGenerales.class) Presupuesto presupuesto,
+            BindingResult result) {
+
+        Map<String, String> errores = new HashMap<>();
+
+        // errores de campos individuales
+        result.getFieldErrors().forEach(error -> errores.put(error.getField(), error.getDefaultMessage()));
+
+        // errores globales (como tu @ConsistentTiradas)
+        result.getGlobalErrors().forEach(error -> errores.put("global", error.getDefaultMessage()));
+
+        if (!errores.isEmpty()) {
+            return ResponseEntity.badRequest().body(errores);
+        }
+
+        return ResponseEntity.ok().build();
+    }
+
+}