package cn.lili.modules.lmk.service.impl;
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import cn.lili.cache.Cache;
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import cn.lili.cache.CachePrefix;
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import cn.lili.common.properties.RocketmqCustomProperties;
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import cn.lili.common.security.AuthUser;
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import cn.lili.common.security.context.UserContext;
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import cn.lili.common.sensitive.SensitiveWordsFilter;
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import cn.lili.modules.lmk.domain.entity.ThumbsUpRecord;
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import cn.lili.modules.lmk.domain.form.ThumbsUpRecordForm;
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import cn.lili.modules.lmk.domain.vo.CollectTypeNumVO;
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import cn.lili.modules.lmk.enums.general.VideoCommentStatusEnum;
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import cn.lili.modules.lmk.service.ThumbsUpRecordService;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import cn.lili.modules.lmk.domain.entity.VideoComment;
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import cn.lili.modules.lmk.mapper.VideoCommentMapper;
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import cn.lili.modules.lmk.service.VideoCommentService;
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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.VideoCommentForm;
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import cn.lili.modules.lmk.domain.vo.VideoCommentVO;
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import cn.lili.modules.lmk.domain.query.VideoCommentQuery;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.rocketmq.spring.core.RocketMQTemplate;
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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.List;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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/**
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* 视频评论 服务实现类
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*
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* @author xp
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* @since 2025-05-27
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*/
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@Service
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@RequiredArgsConstructor
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public class VideoCommentServiceImpl extends ServiceImpl<VideoCommentMapper, VideoComment> implements VideoCommentService {
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private final VideoCommentMapper videoCommentMapper;
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private final Cache cache;
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private final ThumbsUpRecordService thumbsUpRecordService;
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private final RocketMQTemplate rocketMQTemplate;
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private final RocketmqCustomProperties rocketmqCustomProperties;
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/**
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* 评论点赞数的过期时间
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*/
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public final static long EXPIRE_TIME = 15l;
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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 comment(VideoCommentForm form) {
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// 监测内容是否包含敏感词
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if (SensitiveWordsFilter.includeSentenceWord(form.getCommentContent())) {
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return Result.error("评论含敏感内容");
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}
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if (StringUtils.isNotBlank(form.getReplyId())) {
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VideoComment beReplyComment = baseMapper.selectById(form.getReplyId());
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if (Objects.isNull(beReplyComment)) {
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throw new RuntimeException("您回复的评论已被删除");
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} else if (VideoCommentStatusEnum.INVALID.getValue().equals(beReplyComment.getStatus())) {
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throw new RuntimeException("您回复的评论已失效");
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}
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}
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VideoComment entity = VideoCommentForm.getEntityByForm(form, null);
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entity.setStatus(VideoCommentStatusEnum.NORMAL.getValue());
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entity.setUserId(UserContext.getCurrentUserId());
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AuthUser currentUser = UserContext.getCurrentUser();
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entity.setUserNickname(currentUser.getNickName());
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entity.setUserAvatar(currentUser.getFace());
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baseMapper.insert(entity);
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// 初始化redis中评论的点赞数量
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cache.put(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(entity.getId()), 0, EXPIRE_TIME, TimeUnit.DAYS);
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return Result.ok("添加成功").data(this.detail(entity.getId()).get("data"));
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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(VideoCommentQuery query) {
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IPage<VideoCommentVO> page = PageUtil.getPage(query, VideoCommentVO.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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VideoCommentVO vo = baseMapper.getById(id);
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Assert.notNull(vo, "记录不存在");
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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<VideoComment> entities = baseMapper.selectList(null);
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List<VideoCommentVO> vos = entities.stream()
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.map(entity -> VideoCommentVO.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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public Result wxPage(VideoCommentQuery query) {
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query.setUserId(UserContext.getCurrentUserId());
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IPage<VideoCommentVO> page = PageUtil.getPage(query, VideoCommentVO.class);
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if (StringUtils.isNotBlank(query.getMasterCommentId())) {
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// 加载子评论的情况
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baseMapper.replyCommentPage(page, query);
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for (VideoCommentVO comment : page.getRecords()) {
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comment.setThumbsUpNum(this.getCommentThumbsUpNum(comment.getId(), comment.getThumbsUpNum()));
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}
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return Result.ok().data(page.getRecords());
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} else {
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// 加载主评论的情况。主评论id = masterCommentId
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baseMapper.masterCommentPage(page, query);
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for (VideoCommentVO comment : page.getRecords()) {
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comment.setThumbsUpNum(this.getCommentThumbsUpNum(comment.getId(), comment.getThumbsUpNum()));
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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 List<CollectTypeNumVO> countNumGroupByVideo() {
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return baseMapper.countNumGroupByVideo();
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}
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@Override
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public Result thumbsUp(ThumbsUpRecordForm form) {
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boolean exists = new LambdaQueryChainWrapper<>(thumbsUpRecordService.getBaseMapper())
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.eq(ThumbsUpRecord::getRefId, form.getRefId())
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.eq(ThumbsUpRecord::getUserId, UserContext.getCurrentUserId())
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.exists();
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if (exists) {
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return Result.ok();
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}
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ThumbsUpRecord record = ThumbsUpRecordForm.getEntityByForm(form, null);
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record.setUserId(UserContext.getCurrentUserId());
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thumbsUpRecordService.save(record);
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if (cache.exist(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(record.getRefId()))) {
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cache.incr(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(record.getRefId()));
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} else {
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VideoComment comment = baseMapper.selectById(form.getRefId());
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if (Objects.nonNull(comment)) {
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cache.put(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(comment.getId()), comment.getThumbsUpNum() + 1, EXPIRE_TIME, TimeUnit.DAYS);
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}
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}
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// TODO 使用rocketmq异步写入到mysql中
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// rocketMQTemplate.asyncSend();
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return Result.ok();
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}
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@Override
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public Result cancelThumbsUp(ThumbsUpRecordForm form) {
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new LambdaUpdateChainWrapper<>(thumbsUpRecordService.getBaseMapper())
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.eq(ThumbsUpRecord::getRefId, form.getRefId())
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.eq(ThumbsUpRecord::getThumbsUpType, form.getThumbsUpType())
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.eq(ThumbsUpRecord::getUserId, UserContext.getCurrentUserId())
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.remove();
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// redis数量减一
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cache.decr(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(form.getRefId()));
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// TODO mq异步同步到mysql
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return Result.ok();
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}
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/**
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* 从redis中获取评论数量，如果redis中没有则将mysql中的数量写入到redis
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*
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* @param commentId
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* @param mysqlNum
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* @return
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*/
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private long getCommentThumbsUpNum(String commentId, long mysqlNum) {
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Object redisNum = cache.get(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(commentId));
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if (Objects.isNull(redisNum)) {
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// redis中没有就把数据库的写到redis中
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cache.put(CachePrefix.VIDEO_COMMENT_LIKE_NUM.getPrefixWithId(commentId), mysqlNum, EXPIRE_TIME, TimeUnit.DAYS);
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return mysqlNum;
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}
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return Long.valueOf((Integer) redisNum);
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}
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}
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