package com.kms.yxgh.base;


import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.kms.common.utils.BaseEntityUtils;
import com.shuili.common.exception.BaseException;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * MP注入处理器
 *
 * @author Lion Li
 * @date 2021/4/25
 */
@Slf4j
@Service
public class CreateAndUpdateMetaObjectHandler implements MetaObjectHandler {

  @Override
  public void insertFill(MetaObject metaObject) {
    try {
      if (ObjectUtil.isNotNull(metaObject)
          && metaObject.getOriginalObject() instanceof SyBaseEntity) {
        SyBaseEntity baseEntity = (SyBaseEntity) metaObject.getOriginalObject();
        Date current = ObjectUtil.isNotNull(baseEntity.getCreateTime())
            ? baseEntity.getCreateTime() : new Date();
        baseEntity.setCreateTime(current);
        baseEntity.setUpdateTime(current);
        BaseEntityUtils.preInsert(baseEntity);
      }
    } catch (Exception e) {
      throw new BaseException(e.getMessage());
    }
  }

  @Override
  public void updateFill(MetaObject metaObject) {
    try {
      if (ObjectUtil.isNotNull(metaObject)
          && metaObject.getOriginalObject() instanceof SyBaseEntity) {
        SyBaseEntity baseEntity = (SyBaseEntity) metaObject.getOriginalObject();
        Date current = new Date();
        // 更新时间填充(不管为不为空)
        baseEntity.setUpdateTime(current);
        BaseEntityUtils.preUpdate(baseEntity);
      }
    } catch (Exception e) {
      throw new BaseException(e.getMessage());
    }
  }
}