snowy-main/src/main/java/vip/xiaonuo/modular/blogarticle/service/impl/BlogArticleServiceImpl.java

@@ -25,24 +25,37 @@
package vip.xiaonuo.modular.blogarticle.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.PageUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.AsyncResult;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import vip.xiaonuo.core.consts.MyConstant;
import vip.xiaonuo.core.exception.ServiceException;
import vip.xiaonuo.core.factory.PageFactory;
import vip.xiaonuo.core.pojo.page.PageResult;
import vip.xiaonuo.core.util.PoiUtil;
import vip.xiaonuo.modular.blogStatistics.vo.BlogArchiveDetailVo;
import vip.xiaonuo.modular.blogarticle.entity.BlogArticle;
import vip.xiaonuo.modular.blogarticle.entity.BlogArticleVo;
import vip.xiaonuo.modular.blogarticle.enums.BlogArticleExceptionEnum;
import vip.xiaonuo.modular.blogarticle.mapper.BlogArticleMapper;
import vip.xiaonuo.modular.blogarticle.param.BlogArticleParam;
import vip.xiaonuo.modular.blogarticle.param.BlogArticleQueryDto;
import vip.xiaonuo.modular.blogarticle.service.BlogArticleService;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;

/**
 * blog文章service接口实现类
@@ -167,4 +180,71 @@
        return this.baseMapper.searchMonthCount(separateYear);

    }

    /**
     * 异步获取上下相邻日志id
     */
    @Async
    @Override
    public Future<List<BlogArticleVo>> getAdjoiningRecord(BlogArticleQueryDto queryDto) {
        int pageNo = 0;
        int pageSize = 100;
        Map<String, Object> param = new HashMap<>(16);
        param.put("pageNo", PageUtil.getStart(pageNo, pageSize));
        param.put("pageSize", pageSize);
        param.put("typeId", queryDto.getTypeId());
        param.put("fileType", queryDto.getFileType());

        List<BlogArticleVo> result = new ArrayList(2) {{
            add(null);
            add(null);
        }};

        List<BlogArticleVo> tempRecordList;
        while (true) {
            tempRecordList = this.baseMapper.getAdjoiningRecord(param);
            if (CollUtil.isEmpty(tempRecordList)) {
                break;
            }

            for (int i = 0; i < tempRecordList.size(); i++) {
                if (queryDto.getId().equals(tempRecordList.get(i).getId())) {
                    //防止边界
                    if (i - 1 >= 0) {
                        result.set(0, tempRecordList.get(i - 1));
                    }
                    if (i + 1 < tempRecordList.size()) {
                        result.set(1, tempRecordList.get(i + 1));
                    } else {
                        //记录恰好在队尾
                        param.put("pageNo", PageUtil.getStart(++pageNo, pageSize));
                        tempRecordList = this.baseMapper.getAdjoiningRecord(param);
                        if (CollUtil.isNotEmpty(tempRecordList)) {
                            result.set(1, tempRecordList.get(0));
                        }
                    }
                    return new AsyncResult<>(result);
                }

                //记录此页最后一条作为下一页起始记录(记录恰好在队头)
                result.set(0, tempRecordList.get(i));
            }

            //下一页
            param.put("pageNo", PageUtil.getStart(++pageNo, pageSize));
        }


        return new AsyncResult<>(result);
    }

    @Override
    public List<BlogArticleVo> searchPlatformList(Map<String, Object> param) {
        return this.baseMapper.searchPlatformList(param);
    }

    @Override
    public long searchPlatformListCount(Map<String, Object> param) {
        return this.baseMapper.searchPlatformListCount(param);
    }
}