java-insagent-pc/src/main/java/com/ydtech/handler/CreateAndUpdateMetaObjectHandler.java

package com.ydtech.handler;

import cn.dev33.satoken.context.SaHolder;
import cn.dev33.satoken.stp.StpUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpStatus;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.ydtech.exception.SystemException;
import com.ydtech.modules.base.model.BaseEntity;
import com.ydtech.utils.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;

import java.util.Date;

/**
 *  MP注入处理器  抄来的
 *
 * @author: lig
 * @date: 2023年06月30日 0030
 */
@Slf4j
public class CreateAndUpdateMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        try {
            if (ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseEntity) {
                BaseEntity baseEntity = (BaseEntity) metaObject.getOriginalObject();
                Date current = ObjectUtil.isNotNull(baseEntity.getCreateTime())
                        ? baseEntity.getCreateTime() : new Date();
                baseEntity.setCreateTime(current);
//                baseEntity.setUpdateTime(current);
                String username = StringUtils.isNotBlank(baseEntity.getCreateBy())
                        ? baseEntity.getCreateBy() : StpUtil.getLoginId("");

                // 当前已登录 且 创建人为空 则填充
                baseEntity.setCreateBy(username);
                // 当前已登录 且 更新人为空 则填充
//                baseEntity.setUpdateBy(username);
            }
        } catch (Exception e) {
            throw new SystemException(StringUtils.toString(HttpStatus.HTTP_UNAUTHORIZED),"自动注入异常 => " + e.getMessage());
        }
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        try {
            if (ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseEntity) {
                BaseEntity baseEntity = (BaseEntity) metaObject.getOriginalObject();
                Date current = new Date();
                // 更新时间填充(不管为不为空)
                baseEntity.setUpdateTime(current);
                String username = StpUtil.getLoginId().toString();
                // 当前已登录 更新人填充(不管为不为空)
                if (StringUtils.isNotBlank(username)) {
                    baseEntity.setUpdateBy(username);
                }
            }
        } catch (Exception e) {
            throw new SystemException(StringUtils.toString(HttpStatus.HTTP_UNAUTHORIZED),"自动注入异常 => " + e.getMessage());
        }
    }
}