4dkankan-center-user/src/main/java/com/fdkankan/ucenter/service/impl/Scene3dNumServiceImpl.java

package com.fdkankan.ucenter.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.fdkankan.common.exception.BusinessException;
import com.fdkankan.common.util.RandomUtil;
import com.fdkankan.redis.util.RedisUtil;
import com.fdkankan.ucenter.common.CameraTypeEnum;
import com.fdkankan.ucenter.common.RedisKeyUtil;
import com.fdkankan.ucenter.common.constants.ResultCode;
import com.fdkankan.ucenter.entity.Scene3dNum;
import com.fdkankan.ucenter.mapper.IScene3dNumMapper;
import com.fdkankan.ucenter.service.IScene3dNumService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

import java.util.*;
import java.util.stream.Collectors;

/**
 * <p>
 * 场景编码表 服务实现类
 * </p>
 *
 * @author 
 * @since 2022-07-12
 */
@Service
@Slf4j
public class Scene3dNumServiceImpl extends ServiceImpl<IScene3dNumMapper, Scene3dNum> implements IScene3dNumService {

    @Autowired
    RedisUtil redisUtil;

    @Override
    public String generateSceneNum(Integer cameraType) {
        String sceneNum = redisUtil.lLeftPop(RedisKeyUtil.SCENE_UNUSED_NUMS);
        if(StringUtils.isEmpty(sceneNum)){
            throw new BusinessException(ResultCode.FAILURE_CODE_400001,ResultCode.FAILURE_MSG_400001);
        }
        return addPrefix(sceneNum,cameraType);
    }

    private  static  String addPrefix( String num,Integer cameraType){
        if(cameraType == null){
            return num;
        }
        return CameraTypeEnum.getSceneNumPrefixByType(cameraType) + num;
    }

}