gold-java/src/main/java/com/example/demo/Util/SecurityUtils.java

package com.example.demo.Util;

import com.example.demo.domain.entity.Admin;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

// com.example.demo.utils.SecurityUtils.java
public class SecurityUtils {

    public static String getCurrentUsername() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null || !authentication.isAuthenticated()) {
            return "anonymous";
        }
        return authentication.getName();
    }

    public static Integer getCurrentUserId() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null || !authentication.isAuthenticated()) {
            return null;
        }
        if (authentication.getPrincipal() instanceof Admin userDetails) {
            return userDetails.getId();
        }
        return null;
    }
}