kmall-haikong/kmall-admin/src/main/java/com/kmall/admin/haikong/task/MemberSysAccessTokenRefreshTask.java

package com.kmall.admin.haikong.task;

import com.fasterxml.jackson.core.type.TypeReference;
import com.kmall.admin.haikong.client.HaiKongMemberTemplate;
import com.kmall.admin.haikong.constant.Constants;
import com.kmall.admin.haikong.dto.AccessTokenDTO;
import com.kmall.admin.haikong.utils.Response;
import com.kmall.admin.utils.jackson.JacksonUtil;
import com.kmall.manager.manager.redis.JedisUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import java.io.IOException;
import java.util.Objects;
import java.util.Optional;

/**
 * 刷新会员系统token定时任务
 * @author lhm
 * @createDate 2021-10-30
 */
@Component
public class MemberSysAccessTokenRefreshTask {

    private static final Logger log = LoggerFactory.getLogger(MemberSysAccessTokenRefreshTask.class);

    @Autowired
    private HaiKongMemberTemplate haiKongMemberTemplate;


//    @Scheduled(cron = "0 55 0/2 * * ?")
    @Scheduled(cron = "0 0/2 * * * ?")
    public void refresh() {
        String refreshToken = JedisUtil.get(Constants.MEMBER_SYS_REFRESH_TOKEN_REDIS_KEY);
        String accessToken = JedisUtil.get(Constants.MEMBER_SYS_ACCESS_TOKEN_REDIS_KEY);
        if (!StringUtils.isEmpty(refreshToken) && !StringUtils.isEmpty(accessToken)) {
            return;
        }
        boolean a = false;
        if (StringUtils.isEmpty(refreshToken)) {
            try {
                log.info("accessToken和refreshToken缓存都为空！开始刷新缓存......");
                String accessTokenJson = haiKongMemberTemplate.getAccessToken();
                a = true;
                handleResponse(accessTokenJson, a);
                log.info("accessToken和refreshToken缓存都为空！刷新缓存完成......");
            } catch (Exception e) {
                log.error(e.getMessage() + "====>", e);
            }
        } else {
            try {
                String refreshAccessTokenJson = haiKongMemberTemplate.refreshAccessToken(refreshToken);
                handleResponse(refreshAccessTokenJson, a);
            } catch (Exception e) {
                log.error(e.getMessage() + "====>", e);
            }
        }

    }

    private void handleResponse(String json, Boolean a) {
        Response<AccessTokenDTO> response = null;
        try {
            response = JacksonUtil.getObjectMapper().readValue(json, new TypeReference<Response<AccessTokenDTO>>() {
            });
        } catch (IOException e) {
            log.error("解析海控会员系统响应结果失败！", e);
            return;
        }
        if (Objects.nonNull(response) && response.getSuccess()) {
            AccessTokenDTO accessTokenDTO = response.getData();
            JedisUtil.del(Constants.MEMBER_SYS_ACCESS_TOKEN_REDIS_KEY);
            JedisUtil.set(Constants.MEMBER_SYS_ACCESS_TOKEN_REDIS_KEY, JacksonUtil.toJson(accessTokenDTO), (60 * 60 * 2) - (60 * 2));
            if (a) {
                JedisUtil.del(Constants.MEMBER_SYS_REFRESH_TOKEN_REDIS_KEY);
                JedisUtil.set(Constants.MEMBER_SYS_REFRESH_TOKEN_REDIS_KEY, Optional.ofNullable(accessTokenDTO.getRefreshToken()).orElse(""), (60 * 60 * 24 * 7));
            }
        } else if (Objects.nonNull(response) && !response.getSuccess() && Response.ErrorCodeEnum.INVALID_REFRESH.getErrorCode().equals(response.getErrorCode())) {
            log.info("海控会员系统RefreshToken已失效，重新获取AccessToken与RefreshToken！");
            JedisUtil.del(Constants.MEMBER_SYS_REFRESH_TOKEN_REDIS_KEY);
            refresh();
        } else {
            log.error("请求海控会员系统AccessToken返回响应为空！");
        }
    }


    public String getAccessToken() throws Exception {
        String accessTokenJson = JedisUtil.get(Constants.MEMBER_SYS_ACCESS_TOKEN_REDIS_KEY);
        if (StringUtils.isEmpty(accessTokenJson)) {
            refresh();
            accessTokenJson = JedisUtil.get(Constants.MEMBER_SYS_ACCESS_TOKEN_REDIS_KEY);
            AccessTokenDTO accessTokenDTO = JacksonUtil.fromStringJson(accessTokenJson, AccessTokenDTO.class);
            if (Objects.isNull(accessTokenDTO)) {
                log.error("accessToken数据转为对象失败！");
                throw new Exception("accessToken数据转为对象失败！");
            }
            return accessTokenDTO.getAccessToken();
        } else {
            AccessTokenDTO accessTokenDTO = JacksonUtil.fromStringJson(accessTokenJson, AccessTokenDTO.class);
            if (Objects.isNull(accessTokenDTO)) {
                log.error("accessToken数据转为对象失败！");
                throw new Exception("accessToken数据转为对象失败！");
            }
            return accessTokenDTO.getAccessToken();
        }
    }

}