package com.ruoyi.common.component;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.ruoyi.common.utils.SecurityUtils;
import org.apache.ibatis.reflection.MetaObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/**
 * @author Mr.huang
 * @decription
 * @date 2023/9/12 09:16
 */
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {

    private final static String CREATE_BY = "createBy";
    private final static String CREATE_TIME = "createTime";
    private final static String UPDATE_BY = "updateBy";
    private final static String UPDATE_TIME = "updateTime";
    private static final Logger log = LoggerFactory.getLogger(MyMetaObjectHandler.class);

    @Override
    public void insertFill(MetaObject metaObject) {
        try {
            Object createBy = getFieldValByName(CREATE_BY, metaObject);
            Object createTime = getFieldValByName(CREATE_TIME, metaObject);
            Object updateBy = getFieldValByName(UPDATE_BY, metaObject);
            Object updateTime = getFieldValByName(UPDATE_TIME, metaObject);
            String username = SecurityUtils.getLoginUser().getUsername();
            LocalDateTime now = LocalDateTime.now();
            if (null == createBy) {
                setFieldValByName(CREATE_BY, username, metaObject);
            }
            if (null == createTime) {
                setFieldValByName(CREATE_TIME, now, metaObject);
            }
            if (null == updateBy) {
                setFieldValByName(UPDATE_BY, username, metaObject);
            }
            if (null == updateTime) {
                setFieldValByName(UPDATE_TIME, now, metaObject);
            }
        }catch (Exception e){
             log.info("自动填充数据异常");
        }
    }
    @Override
    public void updateFill(MetaObject metaObject) {
        try {
            String username = SecurityUtils.getLoginUser().getUsername();
            LocalDateTime now = LocalDateTime.now();
            setFieldValByName(UPDATE_BY, username, metaObject);
            setFieldValByName(UPDATE_TIME, now, metaObject);
        }catch (Exception e){
            log.info("自动填充数据异常");
        }
    }
}