trabajando en guardar presupuestos publicos

src/main/java/com/imprimelibros/erp/common/email/EmailService.java

@@ -1,6 +1,5 @@
 package com.imprimelibros.erp.common.email;
 
-import jakarta.mail.MessagingException;
 import jakarta.mail.internet.MimeMessage;
 
 import org.springframework.context.MessageSource;

src/main/java/com/imprimelibros/erp/common/jpa/AbstractAuditedSoftDeleteEntity.java

@@ -0,0 +1,70 @@
+package com.imprimelibros.erp.common.jpa;
+
+import jakarta.persistence.*;
+import org.springframework.data.annotation.CreatedBy;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedBy;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.Instant;
+
+import com.imprimelibros.erp.users.User;
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+public abstract class AbstractAuditedSoftDeleteEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    // Auditoría temporal
+    @CreatedDate
+    @Column(name = "created_at", updatable = false)
+    private Instant createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private Instant updatedAt;
+
+    // Auditoría por usuario (nullable si público anónimo)
+    @CreatedBy
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "created_by")
+    private User createdBy;
+
+    @LastModifiedBy
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "updated_by")
+    private User updatedBy;
+
+    // Soft delete
+    @Column(name = "deleted", nullable = false)
+    private boolean deleted = false;
+
+    @Column(name = "deleted_at")
+    private Instant deletedAt;
+
+    // Getters/Setters
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+
+    public Instant getCreatedAt() { return createdAt; }
+    public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
+
+    public Instant getUpdatedAt() { return updatedAt; }
+    public void setUpdatedAt(Instant updatedAt) { this.updatedAt = updatedAt; }
+
+    public User getCreatedBy() { return createdBy; }
+    public void setCreatedBy(User createdBy) { this.createdBy = createdBy; }
+
+    public User getUpdatedBy() { return updatedBy; }
+    public void setUpdatedBy(User updatedBy) { this.updatedBy = updatedBy; }
+
+    public boolean isDeleted() { return deleted; }
+    public void setDeleted(boolean deleted) { this.deleted = deleted; }
+
+    public Instant getDeletedAt() { return deletedAt; }
+    public void setDeletedAt(Instant deletedAt) { this.deletedAt = deletedAt; }
+}

src/main/java/com/imprimelibros/erp/common/web/IpUtils.java

@@ -0,0 +1,33 @@
+package com.imprimelibros.erp.common.web;
+
+import jakarta.servlet.http.HttpServletRequest;
+
+import java.util.Arrays;
+import java.util.List;
+
+public final class IpUtils {
+    private IpUtils() {}
+
+    private static final List<String> HEADERS = Arrays.asList(
+            "X-Forwarded-For",
+            "X-Real-IP",
+            "CF-Connecting-IP",
+            "True-Client-IP",
+            "X-Client-IP",
+            "X-Forwarded",
+            "Forwarded-For",
+            "Forwarded"
+    );
+
+    public static String getClientIp(HttpServletRequest request) {
+        for (String h : HEADERS) {
+            String v = request.getHeader(h);
+            if (v != null && !v.isBlank() && !"unknown".equalsIgnoreCase(v)) {
+                // X-Forwarded-For puede traer lista: "client, proxy1, proxy2"
+                String first = v.split(",")[0].trim();
+                if (!first.isBlank()) return first;
+            }
+        }
+        return request.getRemoteAddr();
+    }
+}