efunbox_audio/src/main/java/cn/efunbox/audio/impl/res/ResWareServiceImpl.java

package cn.efunbox.audio.impl.res;

import cn.efunbox.audio.entity.BaseOrderEnum;
import cn.efunbox.audio.entity.res.ResAlbum;
import cn.efunbox.audio.entity.res.ResWare;
import cn.efunbox.audio.helper.SortHelper;
import cn.efunbox.audio.page.ResOnePage;
import cn.efunbox.audio.repository.res.ResAlbumRepository;
import cn.efunbox.audio.repository.res.ResWareRepository;
import cn.efunbox.audio.service.res.ResWareService;
import cn.efunbox.audio.utils.ResApiCode;
import cn.efunbox.audio.utils.ResApiResult;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.LinkedHashMap;
import java.util.List;

@Service
public class ResWareServiceImpl implements ResWareService {

    @Autowired
    ResWareRepository resWareRepository;
    @Autowired
    ResAlbumRepository resAlbumRepository;

    /**
     * 根据专辑获取节目列表
     * @param contentId 专辑编号
     * @param pageNum   页码
     * @param pageSize  页大小
     * @return
     */
    @Override
    public ResApiResult<ResOnePage<ResWare>> getResWareListByContentId(String contentId,String order, Integer pageNum, Integer pageSize) {
        if(StringUtils.isBlank(contentId)){
            return ResApiResult.error(ResApiCode.PARAMETER_NULL,ResApiCode.PARAMETER_NULL.getMessage()+"contentId");//错误提示语格式=》请求参数为空：contentId
        }

        ResWare resWare = new ResWare();
        resWare.setContentId(contentId);


        //总记录数
        Long count = resWareRepository.count(resWare);
        if(count == 0){
            return ResApiResult.error(ResApiCode.NOT_FOUND);
        }

        ResOnePage onePage = new ResOnePage(count);
        if(pageNum != null){
            onePage.setPageNum(pageNum);
        }
        if(pageSize != null){
            onePage.setPageSize(pageSize);
        }

        //查询
        List<ResWare> wareList = resWareRepository.find(resWare,
             onePage.getStart(),
             onePage.getPageSize(),
              SortHelper.sortMap2Sort(
                    new LinkedHashMap<String, BaseOrderEnum>() {{
                        if(StringUtils.isBlank(order) || "asc".equals(order)){
                            put("chapterRanking", BaseOrderEnum.ASC);
                        }else{
                            put("chapterRanking",BaseOrderEnum.DESC);
                        }
                    }}
              )
        );

        if(wareList == null || wareList.size() == 0){
            return ResApiResult.error(ResApiCode.NOT_FOUND);
        }
        wareList.stream().forEach(obj->{
            obj.setDownLoadFlag("0".equals(obj.getDbDownLoadFlag())?true:false);
        });

        onePage.setChapterList(wareList);


        //响应
        return ResApiResult.ok(onePage);
    }

    /**
     * 获取节目详情信息
     * @param chapterId
     * @return
     */
    @Override
    public ResApiResult<ResWare> getResWareById(String chapterId) {
        if(StringUtils.isBlank(chapterId)){
            return ResApiResult.error(ResApiCode.PARAMETER_NULL,ResApiCode.PARAMETER_NULL.getMessage()+"contentId");//错误提示语格式=》请求参数为空：chapterId
        }

        //课件查询
        ResWare resWare = resWareRepository.find(chapterId);
        if(resWare == null){
            return ResApiResult.error(ResApiCode.NOT_FOUND);
        }

        //课程
        ResAlbum resAlbum = resAlbumRepository.find(resWare.getContentId());
        if(resAlbum != null){
            resWare.setContentName(resAlbum.getContentName());
            resWare.setContentPicUrl(resAlbum.getContentPicUrl());
        }

        //响应
        return ResApiResult.ok(resWare);
    }
}