| | |
| | | package cn.lili.modules.lmk.service.impl; |
| | | |
| | | import cn.lili.base.AbsQuery; |
| | | import cn.lili.common.security.context.UserContext; |
| | | import cn.lili.modules.lmk.domain.entity.VideoAuditRecord; |
| | | import cn.lili.modules.lmk.domain.entity.VideoTag; |
| | |
| | | import cn.lili.modules.lmk.domain.form.VideoDownForm; |
| | | import cn.lili.modules.lmk.domain.form.VideoRecommendForm; |
| | | import cn.lili.modules.lmk.domain.query.ManagerVideoQuery; |
| | | import cn.lili.modules.lmk.domain.vo.SimpleVideoTagVO; |
| | | import cn.lili.modules.lmk.domain.vo.*; |
| | | import cn.lili.modules.lmk.enums.general.TagCreateTypeEnum; |
| | | import cn.lili.modules.lmk.enums.general.VideoStatusEnum; |
| | | import cn.lili.modules.lmk.service.*; |
| | |
| | | import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper; |
| | | import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
| | | import cn.lili.modules.lmk.domain.form.VideoForm; |
| | | import cn.lili.modules.lmk.domain.vo.VideoVO; |
| | | import cn.lili.modules.lmk.domain.query.VideoQuery; |
| | | import org.apache.commons.collections4.CollectionUtils; |
| | | import org.apache.commons.lang3.StringUtils; |
| | | import org.springframework.stereotype.Service; |
| | | import lombok.RequiredArgsConstructor; |
| | |
| | | private final VideoTagRefService videoTagRefService; |
| | | private final LmkFileService lmkFileService; |
| | | private final VideoAuditRecordService videoAuditRecordService; |
| | | private final MyCollectService myCollectService; |
| | | private final COSUtil cosUtil; |
| | | |
| | | /** |
| | |
| | | // TODO 将下架原因以通知的方式告知用户 |
| | | return Result.ok("下架成功"); |
| | | } |
| | | |
| | | @Override |
| | | public Result recommendVideo(AbsQuery query) { |
| | | // 推荐算法: 1. 根据用户的收藏视频的标签 2. 根据用户关注的作者的其它视频 3. 根据用户的观看记录(观看时长较长的、重复观看次数较多的) 4. 基于相似用户的观看行为来给该用户推荐 |
| | | IPage<WxVideoVO> page = PageUtil.getPage(query, WxVideoVO.class); |
| | | baseMapper.recommendVideo(page); |
| | | if (page.getTotal() > 0) { |
| | | List<String> videoIds = page.getRecords().stream().map(WxVideoVO::getId).collect(Collectors.toList()); |
| | | Map<String, List<SimpleVideoTagVO>> tagMap = videoTagRefService.getTagsByVideoIds(videoIds) |
| | | .stream() |
| | | .collect(Collectors.groupingBy(SimpleVideoTagVO::getVideoId)); |
| | | Map<String, List<SimpleMyCollectVO>> collectMap =myCollectService.getCollectsByVideoIds(videoIds) |
| | | .stream() |
| | | .collect(Collectors.groupingBy(SimpleMyCollectVO::getRefId)); |
| | | // 3. 获取视频临时访问地址、设置视频标签、我是否收藏 |
| | | page.getRecords().forEach(v -> { |
| | | v.setGoods(new VideoGoodsVO()); |
| | | v.setTagList(tagMap.get(v.getId())); |
| | | v.setCollected(CollectionUtils.isNotEmpty(collectMap.get(v.getId()))); |
| | | v.setVideoUrl(cosUtil.getPreviewUrl(v.getVideoFileKey())); |
| | | }); |
| | | } |
| | | return Result.ok().data(page.getRecords()); |
| | | } |
| | | } |