feat(comment): Implement comment module foundation

2025-04-10 02:02:02 +08:00
parent 27dd1409f6
commit 449f5418b2
34 changed files with 2624 additions and 13 deletions
@@ -0,0 +1,22 @@
+<?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="com.nuaa.video.comment.mapper.CommentLikeMapper">
+
+    <!-- 检查用户是否已点赞 -->
+    <select id="checkUserLiked" resultType="long">
+        SELECT COUNT(1)
+        FROM comment_like
+        WHERE comment_id = #{commentId}
+          AND user_id = #{userId}
+          AND type = #{type}
+    </select>
+
+    <!-- 统计视频评论点赞数 -->
+    <select id="countVideoCommentLikes" resultType="int">
+        SELECT COUNT(1)
+        FROM comment_like cl
+                 LEFT JOIN comment c ON cl.comment_id = c.id AND cl.type = 1
+                 LEFT JOIN comment_reply cr ON cl.comment_id = cr.id AND cl.type = 2
+        WHERE (c.video_id = #{videoId} OR cr.video_id = #{videoId})
+    </select>
+</mapper>