웹에서 조회하기 위한 public API 개발

app/api.py

@@ -4,6 +4,7 @@
 from app.auth.deps import get_current_user
 from app.auth.router import router as auth_router
 from app.core.router import create_router
+from app.posts.public_router import router as posts_public_router
 from app.posts.router import router as posts_router
 from app.tags.router import router as tags_router
 from app.users.router import router as users_router
@@ -12,6 +13,7 @@
 
 public_router = create_router(prefix="/public")
 public_router.include_router(auth_router, prefix="/auth", tags=["Auth"])
+public_router.include_router(posts_public_router, prefix="/posts", tags=["Posts"])
 
 private_router = create_router(
     prefix="/private",

app/posts/public_router.py

@@ -0,0 +1,14 @@
+from app.core.router import create_router
+
+from .schemas import PostRead
+from .service import PostService
+
+router = create_router()
+
+
+@router.get("/{post_id}")
+async def read_post_public(
+    post_id: int,
+    post_service: PostService,
+) -> PostRead:
+    return await post_service.get_post_by_id_simple(post_id=post_id)

app/posts/schemas.py

@@ -90,7 +90,7 @@ def from_post(
         like_count: int,
         comment_count: int,
         is_liked: bool = False,
-        current_user_id: int,
+        current_user_id: int | None = None,
     ):
         return cls(
             id=post.id,

app/posts/service.py

@@ -26,13 +26,32 @@ class PostService:
     post_like_repository: PostLikeRepository
     comment_repository: CommentRepository
 
+    async def get_post_by_id_simple(self, *, post_id: int) -> PostRead:
+        """Public용 - 좋아요 정보 없이 기본 정보만 조회"""
+        post = await self.post_repository.find_by_id(post_id=post_id)
+
+        if not post:
+            raise HTTPException(status_code=404, detail="게시물을 찾을 수 없습니다.")
+
+        like_count, comment_count = await asyncio.gather(
+            self.post_like_repository.count_by_id(post_id=post_id),
+            self.comment_repository.count_by_post_id(post_id=post_id),
+        )
+
+        return PostRead.from_post(
+            post,
+            like_count=like_count,
+            comment_count=comment_count,
+        )
+
     async def get_post_by_id(self, *, post_id: int, current_user: User) -> PostRead:
+        """로그인 사용자용 - 좋아요 정보 포함 조회"""
         post = await self.post_repository.find_by_id(post_id=post_id)
 
         if not post:
             raise HTTPException(status_code=404, detail="게시물을 찾을 수 없습니다.")
 
-        [like_count, comment_count, is_liked] = await asyncio.gather(
+        like_count, comment_count, is_liked = await asyncio.gather(
             self.post_like_repository.count_by_id(post_id=post_id),
             self.comment_repository.count_by_post_id(post_id=post_id),
             self.post_like_repository.is_liked(

app/users/schemas.py

@@ -34,7 +34,7 @@ class UserRead(APISchema):
     is_me: bool
 
     @classmethod
-    def from_user(cls, user: User, *, current_user_id: int):
+    def from_user(cls, user: User, *, current_user_id: int | None = None):
         return cls(
             handle=user.handle,
             nickname=user.nickname,
@@ -43,7 +43,7 @@ def from_user(cls, user: User, *, current_user_id: int):
                 if user.profile_image is not None
                 else None
             ),
-            is_me=current_user_id == user.id,
+            is_me=current_user_id == user.id if current_user_id is not None else False,
         )