package cn.exrick.xboot.core.config.jpa;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.domain.AuditorAware;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

import java.util.Optional;

/**
 * 审计记录创建或修改用户
 * @author Exrickx
 */
@Configuration
@Slf4j
public class UserAuditor implements AuditorAware<String> {

    @Override
    public Optional<String> getCurrentAuditor() {

        try {
            Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
            if(authentication.isAuthenticated() && !(authentication instanceof AnonymousAuthenticationToken)){
                return Optional.ofNullable(authentication.getName());
            }
            return Optional.empty();
        } catch (Exception e) {
            return Optional.empty();
        }
    }
}