feat: 完成情绪博物馆项目重构和功能增强 - 新增日记评论和帖子功能 - 重构前端架构，优化用户体验 - 完善WebSocket通信机制 - 更新项目文档和部署配置
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package com.emotion.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.emotion.common.BasePageRequest;
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import com.emotion.entity.DiaryComment;
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import com.emotion.mapper.DiaryCommentMapper;
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import com.emotion.service.DiaryCommentService;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.util.StringUtils;
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import java.math.BigDecimal;
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import java.time.LocalDateTime;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 日记评论服务实现类
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*
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* @author emotion-museum
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* @date 2025-07-23
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*/
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@Service
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public class DiaryCommentServiceImpl extends ServiceImpl<DiaryCommentMapper, DiaryComment> implements DiaryCommentService {
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@Autowired
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private ObjectMapper objectMapper;
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@Override
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public IPage<DiaryComment> getPage(BasePageRequest request) {
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Page<DiaryComment> page = new Page<>(request.getCurrent(), request.getSize());
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getIsDeleted, 0)
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.orderByDesc(DiaryComment::getIsTop)
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.orderByDesc(DiaryComment::getPublishTime);
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return this.page(page, wrapper);
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}
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@Override
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public IPage<DiaryComment> getPageByDiaryId(String diaryId, BasePageRequest request) {
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Page<DiaryComment> page = new Page<>(request.getCurrent(), request.getSize());
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getDiaryId, diaryId)
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.eq(DiaryComment::getIsDeleted, 0)
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.orderByDesc(DiaryComment::getIsTop)
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.orderByDesc(DiaryComment::getPublishTime);
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return this.page(page, wrapper);
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}
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@Override
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public IPage<DiaryComment> getPageByUserId(String userId, BasePageRequest request) {
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Page<DiaryComment> page = new Page<>(request.getCurrent(), request.getSize());
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getUserId, userId)
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.eq(DiaryComment::getIsDeleted, 0)
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.orderByDesc(DiaryComment::getPublishTime);
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return this.page(page, wrapper);
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}
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@Override
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public List<DiaryComment> getRepliesByParentId(String parentCommentId) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getParentCommentId, parentCommentId)
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.eq(DiaryComment::getIsDeleted, 0)
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.orderByAsc(DiaryComment::getPublishTime);
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return this.list(wrapper);
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}
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@Override
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public List<DiaryComment> getByCommentType(String commentType) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getCommentType, commentType)
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.eq(DiaryComment::getIsDeleted, 0)
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.orderByDesc(DiaryComment::getPublishTime);
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return this.list(wrapper);
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}
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@Override
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public List<DiaryComment> getByDiaryIdAndCommentType(String diaryId, String commentType) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getDiaryId, diaryId)
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.eq(DiaryComment::getCommentType, commentType)
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.eq(DiaryComment::getIsDeleted, 0)
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.orderByDesc(DiaryComment::getPublishTime);
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return this.list(wrapper);
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}
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@Override
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public boolean incrementLikeCount(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.setSql("like_count = like_count + 1");
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return this.update(wrapper);
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}
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@Override
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public boolean decrementLikeCount(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.setSql("like_count = GREATEST(like_count - 1, 0)");
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return this.update(wrapper);
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}
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@Override
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public boolean incrementReplyCount(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.setSql("reply_count = reply_count + 1");
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return this.update(wrapper);
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}
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@Override
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public boolean decrementReplyCount(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.setSql("reply_count = GREATEST(reply_count - 1, 0)");
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return this.update(wrapper);
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}
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@Override
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public boolean updateLastReplyTime(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.set(DiaryComment::getLastReplyTime, LocalDateTime.now());
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return this.update(wrapper);
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}
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@Override
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public boolean setTop(String commentId, Integer isTop) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.set(DiaryComment::getIsTop, isTop);
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return this.update(wrapper);
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}
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@Override
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public Long countByDiaryId(String diaryId) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getDiaryId, diaryId)
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.eq(DiaryComment::getIsDeleted, 0);
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return this.count(wrapper);
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}
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@Override
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public Long countByUserId(String userId) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getUserId, userId)
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.eq(DiaryComment::getIsDeleted, 0);
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return this.count(wrapper);
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}
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@Override
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public Long countByCommentType(String commentType) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getCommentType, commentType)
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.eq(DiaryComment::getIsDeleted, 0);
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return this.count(wrapper);
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}
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@Override
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public Long countReplies(String parentCommentId) {
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getParentCommentId, parentCommentId)
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.eq(DiaryComment::getIsDeleted, 0);
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return this.count(wrapper);
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}
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@Override
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public DiaryComment createComment(String diaryId, String userId, String content, List<String> images,
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String parentCommentId, Integer isAnonymous) {
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DiaryComment comment = DiaryComment.builder()
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.diaryId(diaryId)
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.userId(userId)
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.content(content)
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.images(convertListToJson(images))
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.parentCommentId(parentCommentId)
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.commentType("user")
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.likeCount(0)
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.replyCount(0)
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.isAnonymous(isAnonymous)
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.isTop(0)
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.status("published")
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.publishTime(LocalDateTime.now())
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.build();
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this.save(comment);
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// 如果有父评论，更新父评论的回复数
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if (StringUtils.hasText(parentCommentId)) {
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this.incrementReplyCount(parentCommentId);
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this.updateLastReplyTime(parentCommentId);
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}
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return comment;
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}
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@Override
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public DiaryComment createAiComment(String diaryId, String content, String aiCommentSource,
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BigDecimal emotionScore, BigDecimal sentimentScore) {
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DiaryComment comment = DiaryComment.builder()
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.diaryId(diaryId)
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.userId("system") // AI评论使用system用户ID
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.content(content)
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.commentType("ai")
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.aiCommentSource(aiCommentSource)
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.likeCount(0)
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.replyCount(0)
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.isAnonymous(0)
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.isTop(0)
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.status("published")
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.publishTime(LocalDateTime.now())
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.emotionScore(emotionScore)
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.sentimentScore(sentimentScore)
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.build();
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this.save(comment);
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return comment;
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}
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@Override
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public boolean updateComment(String commentId, String content, List<String> images) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.set(StringUtils.hasText(content), DiaryComment::getContent, content)
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.set(images != null, DiaryComment::getImages, convertListToJson(images));
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return this.update(wrapper);
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}
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@Override
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public boolean deleteComment(String commentId) {
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return this.removeById(commentId);
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}
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@Override
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public boolean softDeleteComment(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.set(DiaryComment::getIsDeleted, 1);
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return this.update(wrapper);
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}
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@Override
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public boolean restoreComment(String commentId) {
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LambdaUpdateWrapper<DiaryComment> wrapper = new LambdaUpdateWrapper<>();
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wrapper.eq(DiaryComment::getId, commentId)
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.set(DiaryComment::getIsDeleted, 0);
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return this.update(wrapper);
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}
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@Override
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public List<DiaryComment> getCommentTree(String diaryId) {
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// 获取所有顶级评论（没有父评论的评论）
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LambdaQueryWrapper<DiaryComment> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(DiaryComment::getDiaryId, diaryId)
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.isNull(DiaryComment::getParentCommentId)
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.eq(DiaryComment::getIsDeleted, 0)
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.orderByDesc(DiaryComment::getIsTop)
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.orderByDesc(DiaryComment::getPublishTime);
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List<DiaryComment> topComments = this.list(wrapper);
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// 为每个顶级评论加载回复
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return topComments.stream()
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.peek(comment -> {
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List<DiaryComment> replies = getRepliesByParentId(comment.getId());
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// 这里可以递归加载更深层的回复，但为了性能考虑，通常只加载一层
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})
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.collect(Collectors.toList());
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}
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/**
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* 将List转换为JSON字符串
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*/
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private String convertListToJson(List<?> list) {
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if (list == null || list.isEmpty()) {
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return null;
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}
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try {
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return objectMapper.writeValueAsString(list);
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} catch (JsonProcessingException e) {
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return null;
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}
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}
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}
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