alien_cloud/alien-entity/src/main/resources/mapper/ReviewCommentMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="shop.alien.mapper.ReviewCommentMapper">

    <!-- 评论列表查询结果映射 -->
    <resultMap id="ReviewCommentVoResultMap" type="shop.alien.entity.store.vo.ReviewCommentVo">
        <id column="id" property="id" />
        <result column="review_id" property="reviewId" />
        <result column="user_id" property="userId" />
        <result column="user_name" property="userName" />
        <result column="user_avatar" property="userAvatar" />
        <result column="comment_content" property="commentContent" />
        <result column="like_count" property="likeCount" />
        <result column="reply_count" property="replyCount" />
        <result column="is_liked" property="isLiked" />
        <result column="created_time" property="createdTime" />
    </resultMap>

    <!-- 根据评价ID查询评论列表（包含用户信息） -->
    <select id="getCommentListByReviewId" resultMap="ReviewCommentVoResultMap">
        SELECT
            rc.id,
            rc.review_id,
            rc.user_id,
            lu.user_name AS user_name,
            lu.user_image AS user_avatar,
            rc.comment_content,
            rc.like_count,
            rc.reply_count,
            CASE 
                WHEN #{currentUserId} IS NOT NULL AND llr.id IS NOT NULL THEN 1
                ELSE 0
            END AS is_liked,
            rc.created_time
        FROM review_comment rc
        LEFT JOIN life_user lu ON lu.id = rc.user_id AND lu.delete_flag = 0
        LEFT JOIN life_like_record llr ON CONVERT(llr.huifu_id, CHAR) = CONVERT(rc.id, CHAR)
            AND llr.type = '8' 
            AND CONVERT(llr.dianzan_id, CHAR) = CONVERT(#{currentUserId}, CHAR)
            AND llr.delete_flag = 0
        WHERE rc.delete_flag = 0
        AND rc.review_id = #{reviewId}
        ORDER BY rc.created_time DESC
    </select>

    <!-- 根据评价ID查询评论数量 -->
    <select id="getCommentCountByReviewId" resultType="java.lang.Integer">
        SELECT COUNT(*)
        FROM review_comment
        WHERE delete_flag = 0
        AND review_id = #{reviewId}
    </select>

</mapper>