From 1507a0f859cba18a80734fec389bbd2e6cabff05 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EC=84=B1=EA=B2=BD?= <skkim@o2o.kr>
Date: Tue, 18 Aug 2026 11:02:19 +0900
Subject: [PATCH] =?UTF-8?q?feat(archive):=20=EC=98=81=EC=83=81=20=EB=AA=A9?=
 =?UTF-8?q?=EB=A1=9D=20=EC=A1=B0=ED=9A=8C=EC=97=90=20=EB=82=B4=20=EC=A2=8B?=
 =?UTF-8?q?=EC=95=84=EC=9A=94=20=EC=97=AC=EB=B6=80(is=5Fliked=5Fby=5Fme)?=
 =?UTF-8?q?=20=ED=8F=AC=ED=95=A8?=
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---
 app/archive/api/routers/v1/archive.py | 25 ++++++++++++++++++++++++-
 app/video/schemas/video_schema.py     |  4 ++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/app/archive/api/routers/v1/archive.py b/app/archive/api/routers/v1/archive.py
index cc695d9..e2b0ee6 100644
--- a/app/archive/api/routers/v1/archive.py
+++ b/app/archive/api/routers/v1/archive.py
@@ -17,7 +17,11 @@ from app.user.models import User
 from app.utils.logger import get_logger
 from app.utils.pagination import PaginatedResponse
 from app.comment.models import Comment
-from app.database.like_cache import get_like_counts, mset_like_counts
+from app.database.like_cache import (
+    bulk_is_user_liked,
+    get_like_counts,
+    mset_like_counts,
+)
 from app.video.models import Video, VideoReaction
 from app.video.schemas.video_schema import VideoListItem
 
@@ -149,6 +153,24 @@ async def get_videos(
                 if vid not in db_found_ids:
                     like_count_map[vid] = 0
 
+        # is_liked_by_me: Redis user-set 기준, 캐시 미스 시 현재 사용자 상태만 DB 조회
+        raw_liked = await bulk_is_user_liked(video_ids, current_user.user_uuid)
+        needs_db_lookup = [
+            vid for vid, liked in raw_liked.items()
+            if liked is None and like_count_map.get(vid, 0) > 0
+        ]
+        if needs_db_lookup:
+            liked_video_ids = set((await session.execute(
+                select(VideoReaction.video_id).where(
+                    VideoReaction.video_id.in_(needs_db_lookup),
+                    VideoReaction.user_uuid == current_user.user_uuid,
+                )
+            )).scalars().all())
+            for vid in needs_db_lookup:
+                raw_liked[vid] = vid in liked_video_ids
+
+        liked_map = {vid: bool(liked) for vid, liked in raw_liked.items()}
+
         # VideoListItem으로 변환
         items = [
             VideoListItem(
@@ -161,6 +183,7 @@ async def get_videos(
                 created_at=video.created_at,
                 like_count=like_count_map.get(video.id) or 0,
                 comment_count=comment_count or 0,
+                is_liked_by_me=liked_map.get(video.id, False),
             )
             for video, project, comment_count in rows
         ]
diff --git a/app/video/schemas/video_schema.py b/app/video/schemas/video_schema.py
index f4e3c67..57f21f6 100644
--- a/app/video/schemas/video_schema.py
+++ b/app/video/schemas/video_schema.py
@@ -162,6 +162,10 @@ class VideoListItem(BaseModel):
     created_at: Optional[datetime] = Field(None, description="생성 일시")
     like_count: int = Field(0, description="좋아요 수")
     comment_count: int = Field(0, description="댓글 수 (대댓글 포함)")
+    is_liked_by_me: bool = Field(
+        False,
+        description="현재 로그인 사용자가 좋아요를 눌렀는지",
+    )
 
 
 class VideoThumbnailItem(BaseModel):