package cn.lili.modules.lmk.service.impl;
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import cn.lili.common.security.context.UserContext;
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import cn.lili.modules.lmk.domain.entity.VideoAuditRecord;
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import cn.lili.modules.lmk.domain.entity.VideoTag;
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import cn.lili.modules.lmk.domain.entity.VideoTagRef;
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import cn.lili.modules.lmk.domain.form.VideoAuditingForm;
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import cn.lili.modules.lmk.domain.form.VideoDownForm;
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import cn.lili.modules.lmk.domain.form.VideoRecommendForm;
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import cn.lili.modules.lmk.domain.query.ManagerVideoQuery;
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import cn.lili.modules.lmk.domain.vo.SimpleVideoTagVO;
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import cn.lili.modules.lmk.enums.general.TagCreateTypeEnum;
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import cn.lili.modules.lmk.enums.general.VideoStatusEnum;
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import cn.lili.modules.lmk.service.*;
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import cn.lili.utils.COSUtil;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import cn.lili.modules.lmk.domain.entity.Video;
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import cn.lili.modules.lmk.mapper.VideoMapper;
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import cn.lili.base.Result;
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import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
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import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import cn.lili.modules.lmk.domain.form.VideoForm;
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import cn.lili.modules.lmk.domain.vo.VideoVO;
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import cn.lili.modules.lmk.domain.query.VideoQuery;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.stereotype.Service;
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import lombok.RequiredArgsConstructor;
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import cn.lili.utils.PageUtil;
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import org.springframework.beans.BeanUtils;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.Assert;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* 视频内容 服务实现类
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*
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* @author xp
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* @since 2025-05-16
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*/
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@Service
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@RequiredArgsConstructor
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public class VideoServiceImpl extends ServiceImpl<VideoMapper, Video> implements VideoService {
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private final VideoMapper videoMapper;
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private final VideoTagService videoTagService;
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private final VideoTagRefService videoTagRefService;
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private final LmkFileService lmkFileService;
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private final VideoAuditRecordService videoAuditRecordService;
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private final COSUtil cosUtil;
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/**
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* 添加
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* @param form
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* @return
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*/
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@Override
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public Result add(VideoForm form) {
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Video entity = VideoForm.getEntityByForm(form, null);
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baseMapper.insert(entity);
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return Result.ok("添加成功");
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}
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/**
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* 修改
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* @param form
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* @return
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*/
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@Override
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public Result update(VideoForm form) {
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Video entity = baseMapper.selectById(form.getId());
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// 为空抛IllegalArgumentException，做全局异常处理
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Assert.notNull(entity, "记录不存在");
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BeanUtils.copyProperties(form, entity);
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baseMapper.updateById(entity);
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return Result.ok("修改成功");
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}
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/**
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* 批量删除
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* @param ids
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* @return
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*/
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@Override
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public Result remove(List<String> ids) {
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baseMapper.deleteBatchIds(ids);
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return Result.ok("删除成功");
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}
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/**
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* id删除
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* @param id
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* @return
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*/
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@Override
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public Result removeById(String id) {
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baseMapper.deleteById(id);
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return Result.ok("删除成功");
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}
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/**
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* 分页查询
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* @param query
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* @return
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*/
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@Override
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public Result page(VideoQuery query) {
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IPage<VideoVO> page = PageUtil.getPage(query, VideoVO.class);
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baseMapper.getPage(page, query);
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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}
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/**
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* 根据id查找
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* @param id
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* @return
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*/
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@Override
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public Result detail(String id) {
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VideoVO vo = baseMapper.getById(id);
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Assert.notNull(vo, "记录不存在");
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List<SimpleVideoTagVO> tags = videoTagRefService.getTagsByVideoIds(Arrays.asList(id));
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vo.setTagList(tags);
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vo.setVideoUrl(cosUtil.getPreviewUrl(vo.getVideoFileKey()));
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return Result.ok().data(vo);
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}
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/**
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* 列表
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* @return
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*/
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@Override
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public Result all() {
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List<Video> entities = baseMapper.selectList(null);
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List<VideoVO> vos = entities.stream()
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.map(entity -> VideoVO.getVoByEntity(entity, null))
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.collect(Collectors.toList());
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return Result.ok().data(vos);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result publish(VideoForm form) {
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// 1.保存视频
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Video video = VideoForm.getEntityByForm(form, null);
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video.setAuthorId(UserContext.getCurrentUserId());
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video.setStatus(VideoStatusEnum.AUDITING.getValue());
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baseMapper.insert(video);
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// 2.处理标签
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List<VideoTagRef> videoTagRefs = form.getTags().stream().map(tag -> {
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VideoTagRef videoTagRef = new VideoTagRef();
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videoTagRef.setVideoId(video.getId());
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if (StringUtils.isBlank(tag.getId())) {
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VideoTag videoTag = new LambdaQueryChainWrapper<>(videoTagService.getBaseMapper())
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.eq(VideoTag::getTagName, tag.getTagName())
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.one();
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if (Objects.nonNull(videoTag)) {
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videoTagRef.setVideoTagId(videoTag.getId());
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} else {
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videoTag = new VideoTag();
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videoTag.setTagName(tag.getTagName());
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videoTag.setCreateType(TagCreateTypeEnum.USER.getValue());
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videoTagService.save(videoTag);
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videoTagRef.setVideoTagId(videoTag.getId());
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}
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} else {
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videoTagRef.setVideoTagId(tag.getId());
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}
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return videoTagRef;
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}).collect(Collectors.toList());
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videoTagRefService.saveBatch(videoTagRefs);
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// 3.保存视频文件信息
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lmkFileService.addByForm(form.getFileInfo());
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return Result.ok("发布成功，视频审核中~");
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}
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@Override
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public Result managerPage(ManagerVideoQuery query) {
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IPage<VideoVO> page = PageUtil.getPage(query, VideoVO.class);
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// 1. 先查出视频信息
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baseMapper.managerPage(page, query);
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// 2. 单独查出标签信息
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if (page.getTotal() > 0) {
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Map<String, List<SimpleVideoTagVO>> tagMap = videoTagRefService.getTagsByVideoIds(
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page.getRecords().stream().map(VideoVO::getId).collect(Collectors.toList())
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).stream().collect(Collectors.groupingBy(SimpleVideoTagVO::getVideoId));;
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// 3. 获取视频临时访问地址、设置视频标签
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page.getRecords().forEach(v -> {
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v.setTagList(tagMap.get(v.getId()));
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// v.setVideoUrl(cosUtil.getPreviewUrl(v.getVideoFileKey()));
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});
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}
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return Result.ok().data(page.getRecords()).total(page.getTotal());
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}
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@Override
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public Result recommendSet(VideoRecommendForm form) {
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new LambdaUpdateChainWrapper<>(baseMapper)
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.eq(Video::getId, form.getId())
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.set(Video::getRecommend, form.getRecommend())
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.update();
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return Result.ok("设置成功");
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Result auditing(VideoAuditingForm form) {
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Video video = baseMapper.selectById(form.getId());
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if (Objects.isNull(video)) {
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throw new RuntimeException("视频不存在");
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}
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// 1. 添加审核记录
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VideoAuditRecord auditRecord = new VideoAuditRecord();
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auditRecord.setVideoId(form.getId());
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auditRecord.setAuditSuccess(form.getResult());
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if (!form.getResult()) {
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auditRecord.setEditSuggestion(form.getReason());
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}
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videoAuditRecordService.save(auditRecord);
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// 2. 修改视频状态
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if (form.getResult()) {
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video.setStatus(VideoStatusEnum.PUBLISHED.getValue());
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video.setAuditPassTime(new Date());
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} else {
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video.setStatus(VideoStatusEnum.REJECT.getValue());
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}
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baseMapper.updateById(video);
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return Result.ok();
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}
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@Override
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public Result up(String id) {
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new LambdaUpdateChainWrapper<>(baseMapper)
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.eq(Video::getId, id)
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.set(Video::getStatus, VideoStatusEnum.PUBLISHED.getValue())
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.update();
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return Result.ok("上架成功");
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}
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@Override
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public Result down(VideoDownForm form) {
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new LambdaUpdateChainWrapper<>(baseMapper)
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.eq(Video::getId, form.getId())
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.set(Video::getStatus, VideoStatusEnum.DISABLE.getValue())
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.update();
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// TODO 将下架原因以通知的方式告知用户
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return Result.ok("下架成功");
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}
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}
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