feat: 내 글/댓글 모아보기 API

- GET /board/my/posts, /board/my/comments (페이징)
- PostSummary 에 category 추가, MyCommentResponse(글 제목·카테고리 포함)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/main/java/com/sb/web/board/controller/BoardController.java

@@ -53,6 +53,24 @@ public class BoardController {
         return boardService.list(page, size, category, tag, keyword, searchType);
     }
 
+    /** 내 글 모아보기 */
+    @GetMapping("/my/posts")
+    public PageResponse<PostSummary> myPosts(
+            @RequestParam(defaultValue = "1") int page,
+            @RequestParam(defaultValue = "10") int size,
+            @RequestAttribute(AuthInterceptor.CURRENT_MEMBER) SessionUser current) {
+        return boardService.myPosts(current.getId(), page, size);
+    }
+
+    /** 내 댓글 모아보기 */
+    @GetMapping("/my/comments")
+    public PageResponse<com.sb.web.board.dto.MyCommentResponse> myComments(
+            @RequestParam(defaultValue = "1") int page,
+            @RequestParam(defaultValue = "10") int size,
+            @RequestAttribute(AuthInterceptor.CURRENT_MEMBER) SessionUser current) {
+        return boardService.myComments(current.getId(), page, size);
+    }
+
     @GetMapping("/posts/{id}")
     public PostDetail get(
             @PathVariable Long id,

src/main/java/com/sb/web/board/dto/MyCommentResponse.java

@@ -0,0 +1,19 @@
+package com.sb.web.board.dto;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 내 댓글 모아보기 항목 (어느 글의 댓글인지 함께).
+ */
+@Data
+public class MyCommentResponse {
+
+    private Long id;
+    private String content;
+    private LocalDateTime createdAt;
+    private Long postId;
+    private String postTitle;
+    private String category;
+}

src/main/java/com/sb/web/board/dto/PostSummary.java

@@ -13,6 +13,7 @@ public class PostSummary {
 
     private Long id;
     private String title;
+    private String category; // 내 글 모아보기 등 교차 게시판 링크용
     private Long authorId;
     private String authorName;
     private String authorGooglePicture;

src/main/java/com/sb/web/board/mapper/CommentMapper.java

@@ -21,4 +21,10 @@ public interface CommentMapper {
 
     /** 신고 누적 블라인드 설정 */
     int updateBlocked(@Param("id") Long id, @Param("blocked") boolean blocked);
+
+    /** 내 댓글 모아보기 (글 제목·카테고리 포함) */
+    java.util.List<com.sb.web.board.dto.MyCommentResponse> findMyPage(
+            @Param("memberId") Long memberId, @Param("offset") int offset, @Param("size") int size);
+
+    long countMyComments(@Param("memberId") Long memberId);
 }

src/main/java/com/sb/web/board/mapper/PostMapper.java

@@ -28,6 +28,12 @@ public interface PostMapper {
                                    @Param("minUp") int minUp,
                                    @Param("limit") int limit);
 
+    /** 내 글 모아보기 */
+    List<PostSummary> findMyPage(@Param("memberId") Long memberId,
+                                 @Param("offset") int offset, @Param("size") int size);
+
+    long countMyPosts(@Param("memberId") Long memberId);
+
     Post findById(@Param("id") Long id);
 
     int insert(Post post);

src/main/java/com/sb/web/board/service/BoardService.java

@@ -89,6 +89,22 @@ public class BoardService {
         return PageResponse.of(content, p, s, total);
     }
 
+    /** 내 글 모아보기 */
+    public PageResponse<PostSummary> myPosts(Long memberId, int page, int size) {
+        int p = Math.max(page, 1);
+        int s = Math.min(Math.max(size, 1), 100);
+        List<PostSummary> content = postMapper.findMyPage(memberId, (p - 1) * s, s);
+        return PageResponse.of(content, p, s, postMapper.countMyPosts(memberId));
+    }
+
+    /** 내 댓글 모아보기 */
+    public PageResponse<com.sb.web.board.dto.MyCommentResponse> myComments(Long memberId, int page, int size) {
+        int p = Math.max(page, 1);
+        int s = Math.min(Math.max(size, 1), 100);
+        var content = commentMapper.findMyPage(memberId, (p - 1) * s, s);
+        return PageResponse.of(content, p, s, commentMapper.countMyComments(memberId));
+    }
+
     private String normalizeSearchType(String t) {
         return ("content".equals(t) || "comment".equals(t)) ? t : "title";
     }

src/main/resources/mapper/CommentMapper.xml

@@ -36,6 +36,19 @@
         UPDATE comment SET blocked = #{blocked} WHERE id = #{id}
     </update>
 
+    <select id="findMyPage" resultType="com.sb.web.board.dto.MyCommentResponse">
+        SELECT c.id, c.content, c.created_at, p.id AS post_id, p.title AS post_title, p.category
+        FROM comment c
+        JOIN post p ON p.id = c.post_id
+        WHERE c.author_id = #{memberId}
+        ORDER BY c.id DESC
+        LIMIT #{size} OFFSET #{offset}
+    </select>
+
+    <select id="countMyComments" parameterType="long" resultType="long">
+        SELECT COUNT(*) FROM comment WHERE author_id = #{memberId}
+    </select>
+
     <insert id="insert" parameterType="com.sb.web.board.domain.Comment"
             useGeneratedKeys="true" keyProperty="id">
         INSERT INTO comment (post_id, author_id, author_name, content, created_at)

src/main/resources/mapper/PostMapper.xml

@@ -71,6 +71,25 @@
         <include refid="filter"/>
     </select>
 
+    <!-- 내 글 모아보기 -->
+    <select id="findMyPage" resultType="com.sb.web.board.dto.PostSummary">
+        SELECT
+            p.id, p.title, p.category, p.author_id, p.author_name, p.view_count, p.blocked, p.notice, p.created_at,
+            m.google_picture AS author_google_picture, m.profile_image AS author_profile_image,
+            (SELECT COUNT(*) FROM comment c WHERE c.post_id = p.id) AS comment_count,
+            (SELECT COUNT(*) FROM post_vote v WHERE v.post_id = p.id AND v.vote_type = 'UP') AS up_count,
+            (SELECT COUNT(*) FROM post_vote v WHERE v.post_id = p.id AND v.vote_type = 'DOWN') AS down_count
+        FROM post p
+        LEFT JOIN member m ON m.id = p.author_id
+        WHERE p.author_id = #{memberId}
+        ORDER BY p.id DESC
+        LIMIT #{size} OFFSET #{offset}
+    </select>
+
+    <select id="countMyPosts" parameterType="long" resultType="long">
+        SELECT COUNT(*) FROM post WHERE author_id = #{memberId}
+    </select>
+
     <select id="findById" parameterType="long" resultType="com.sb.web.board.domain.Post">
         SELECT p.id, p.title, p.content, p.author_id, p.author_name, p.view_count,
                p.blocked, p.block_reason, p.notice, p.category, p.created_at, p.updated_at,