package com.project.framework.mybatisplus;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.project.common.core.domain.model.LoginUser;
import com.project.common.utils.SecurityUtils;
import com.project.common.utils.StringUtils;
import org.apache.ibatis.reflection.MetaObject;

import java.util.Date;

/**
 * @author woo
 * @date 2021/3/11
 */
public class CreateAndUpdateMetaObjectHandler implements MetaObjectHandler {
	@Override
	public void insertFill(MetaObject metaObject) {
		//region 处理创建人信息
		String createBy = (String) this.getFieldValByName("createBy", metaObject);
		Object createTime = this.getFieldValByName("createTime", metaObject);
		if (StringUtils.isEmpty(createBy)) {
			LoginUser loginUser;
			try {
				loginUser = SecurityUtils.getLoginUser();
			} catch (Exception e){
				loginUser = null;
			}

			if (loginUser == null) {
				createBy = "系统操作";
			} else {
				createBy = loginUser.getUser().getNickName();
			}
			this.setFieldValByName("createBy", createBy, metaObject);
		}
			if (createTime == null) {
				createTime = new Date();
				this.setFieldValByName("createTime", createTime, metaObject);
			}
			//endregion
			//region 处理修改人信息
			Object updateBy = this.getFieldValByName("updateBy", metaObject);
			Object updateTime = this.getFieldValByName("updateTime", metaObject);
			if (updateBy == null) {
				updateBy = createBy;
				this.setFieldValByName("updateBy", updateBy, metaObject);
			}
			if (updateTime == null) {
				updateTime = createTime;
				this.setFieldValByName("updateTime", updateTime, metaObject);
			}
			//endregion
		}

		@Override
		public void updateFill(MetaObject metaObject) {
			//region 处理修改人信息
			String updateBy;
			LoginUser loginUser;
			try {
				loginUser = SecurityUtils.getLoginUser();
			} catch (Exception e){
				loginUser = null;
			}
			if (loginUser==null){
				updateBy = "系统操作";
			} else {
				updateBy = loginUser.getUser().getNickName();
			}
			this.setFieldValByName("updateBy", updateBy, metaObject);
			Date updateTime = new Date();
			this.setFieldValByName("updateTime", updateTime, metaObject);
			//endregion
		}

		@Override
		public boolean openInsertFill() {
			return true;
		}

		@Override
		public boolean openUpdateFill() {
			return true;
		}
}