88 lines
2.6 KiB
Java
88 lines
2.6 KiB
Java
package com.bruce.sams.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.bruce.sams.domain.ams.Comment;
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import com.bruce.sams.mapper.CommentMapper;
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import com.bruce.sams.service.CommentService;
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import org.springframework.stereotype.Service;
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import java.util.Date;
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import java.util.List;
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/**
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* 活动评论服务实现类
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* @author bruce
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* @description 针对表【ams_comment(活动评论表)】的数据库操作Service实现
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* @createDate 2025-02-20 15:08:30
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*/
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@Service
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public class CommentServiceImpl extends ServiceImpl<CommentMapper, Comment> implements CommentService {
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/**
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* 用户发表评论
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* @param userId 用户ID
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* @param actId 活动ID
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* @param content 评论内容
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* @param parentCommentId 父评论ID（如果是回复）
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*/
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@Override
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public void addComment(Long userId, Long actId, String content, Long parentCommentId) {
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Comment comment = new Comment();
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comment.setUserId(userId);
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comment.setActId(actId);
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comment.setContent(content);
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comment.setParentCommentId(parentCommentId);
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comment.setCreatedAt(new Date(System.currentTimeMillis()));
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this.save(comment);
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}
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/**
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* 删除评论
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* @param commentId 评论ID
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* @param userId 用户ID（用于权限判断）
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* @param isAdmin 是否为管理员操作
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*/
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@Override
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public void deleteComment(Long commentId, Long userId, boolean isAdmin) {
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Comment comment = this.getById(commentId);
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if (comment != null) {
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if (isAdmin || comment.getUserId().equals(userId)) {
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this.removeById(commentId);
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} else {
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throw new RuntimeException("无权限删除该评论");
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}
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}
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}
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/**
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* 获取活动的所有评论
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* @param actId 活动ID
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* @return 评论列表
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*/
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@Override
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public List<Comment> getCommentsForActivity(Long actId) {
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LambdaQueryWrapper<Comment> query = new LambdaQueryWrapper<>();
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query.eq(Comment::getActId, actId).isNull(Comment::getParentCommentId);
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return this.list(query);
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}
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/**
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* 获取某条评论的所有回复
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* @param parentCommentId 父评论ID
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* @return 回复列表
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*/
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@Override
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public List<Comment> getRepliesForComment(Long parentCommentId) {
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LambdaQueryWrapper<Comment> query = new LambdaQueryWrapper<>();
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query.eq(Comment::getParentCommentId, parentCommentId);
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return this.list(query);
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}
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}
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