From a8fd88ba9d21f317bf4c41d19615dbd7f1345e82 Mon Sep 17 00:00:00 2001
From: chanwoo7 <chanwoo9987@gmail.com>
Date: Wed, 24 Jun 2026 04:29:50 +0900
Subject: [PATCH] =?UTF-8?q?fix(store):=20storeReviews=EC=9D=98=200=20?=
 =?UTF-8?q?=EA=B0=92=20cursor=EB=A5=BC=20=EB=B3=B4=EC=A1=B4?=
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storeProducts(#158)와 동일하게 parseId("0")=0n이 args.cursor truthiness 체크에서 falsy로 떨어져 zero cursor가 페이지를 리셋하던 문제를 수정한다. listStoreReviews의 cursor 분기를 !== undefined로 바꾼다.
---
 .../store/repositories/store-review.repository.ts    |  4 +++-
 .../store/services/store-review.service.spec.ts      | 12 ++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/features/store/repositories/store-review.repository.ts b/src/features/store/repositories/store-review.repository.ts
index 4c7c96e..2931f5c 100644
--- a/src/features/store/repositories/store-review.repository.ts
+++ b/src/features/store/repositories/store-review.repository.ts
@@ -45,7 +45,9 @@ export class StoreReviewRepository {
         deleted_at: null,
         // storeDetail과 동일하게 비활성/삭제 매장의 리뷰는 노출하지 않는다
         store: { is_active: true, deleted_at: null },
-        ...(args.cursor ? { id: { lt: args.cursor } } : {}),
+        // 0n도 유효 인자(parseId("0")=0n). truthiness는 0n을 falsy로 떨궈
+        // zero cursor가 페이지를 리셋하므로 undefined로만 분기한다.
+        ...(args.cursor !== undefined ? { id: { lt: args.cursor } } : {}),
       },
       select: {
         id: true,
diff --git a/src/features/store/services/store-review.service.spec.ts b/src/features/store/services/store-review.service.spec.ts
index 4cb9587..ade210e 100644
--- a/src/features/store/services/store-review.service.spec.ts
+++ b/src/features/store/services/store-review.service.spec.ts
@@ -201,4 +201,16 @@ describe('StoreReviewService (real DB)', () => {
 
     expect(result.items[0].authorNickname).toBeNull();
   });
+
+  it('cursor "0"은 페이지를 리셋하지 않고 빈 결과를 반환한다', async () => {
+    const store = await createStore(prisma);
+    await makeReview(store.id, {});
+
+    const result = await service.storeReviews({
+      storeId: store.id.toString(),
+      cursor: '0',
+    });
+
+    expect(result.items).toEqual([]);
+  });
 });