Get comment reaction

rating_api/models/db.py

@@ -248,6 +248,40 @@ def order_by_like_diff(cls, asc_order: bool = False):
         else:
             return cls.like_dislike_diff.desc()
 
+    @hybrid_method
+    def has_reaction(self, user_id: int, react: Reaction) -> bool:
+        return any(reaction.user_id == user_id and reaction.reaction == react for reaction in self.reactions)
+
+    @has_reaction.expression
+    def has_reaction(cls, user_id: int, react: Reaction):
+        return (
+            select([true()])
+            .where(
+                and_(
+                    CommentReaction.comment_uuid == cls.uuid,
+                    CommentReaction.user_id == user_id,
+                    CommentReaction.reaction == react,
+                )
+            )
+            .exists()
+        )
+
+    @classmethod
+    def reactions_for_comments(cls, user_id: int, session, comments):
+        if not user_id or not comments:
+            return {}
+        comments_uuid = [c.uuid for c in comments]
+        result = (
+            session.query(Comment.uuid, CommentReaction.reaction)
+            .join(
+                CommentReaction, and_(Comment.uuid == CommentReaction.comment_uuid, CommentReaction.user_id == user_id)
+            )
+            .filter(Comment.uuid.in_(comments_uuid))
+            .group_by(Comment.uuid, CommentReaction.reaction)
+            .all()
+        )
+        return dict(result)
+
 
 class LecturerUserComment(BaseDbModel):
     id: Mapped[int] = mapped_column(Integer, primary_key=True)

rating_api/routes/comment.py

@@ -163,14 +163,18 @@ async def import_comments(
 
 
 @comment.get("/{uuid}", response_model=CommentGet)
-async def get_comment(uuid: UUID) -> CommentGet:
+async def get_comment(uuid: UUID, user=Depends(UnionAuth(auto_error=False, allow_none=False))) -> CommentGet:
     """
     Возвращает комментарий по его UUID в базе данных RatingAPI
     """
     comment: Comment = Comment.query(session=db.session).filter(Comment.uuid == uuid).one_or_none()
     if comment is None:
         raise ObjectNotFound(Comment, uuid)
-    return CommentGet.model_validate(comment)
+    base_data = CommentGet.model_validate(comment)
+    if user:
+        base_data.is_liked=comment.has_reaction(user.get("id"), Reaction.LIKE)
+        base_data.is_disliked=comment.has_reaction(user.get("id"), Reaction.DISLIKE)
+    return base_data
 
 
 @comment.get("", response_model=Union[CommentGetAll, CommentGetAllWithAllInfo, CommentGetAllWithStatus])
@@ -187,7 +191,7 @@ async def get_comments(
     unreviewed: bool = False,
     asc_order: bool = False,
     user=Depends(UnionAuth(scopes=["rating.comment.review"], auto_error=False, allow_none=False)),
-) -> CommentGetAll:
+) -> Union[CommentGetAll, CommentGetAllWithAllInfo, CommentGetAllWithStatus]:
     """
      Scopes: `["rating.comment.review"]`
 
@@ -251,8 +255,23 @@ async def get_comments(
         result.comments = [comment for comment in result.comments if comment.review_status is ReviewStatus.APPROVED]
 
     result.total = len(result.comments)
-    result.comments = [comment_validator.model_validate(comment) for comment in result.comments]
+    comments_with_like = []
+    current_user_id = user.get("id") if user else None
+
+    if current_user_id and result.comments:
+        user_reactions = Comment.reactions_for_comments(current_user_id, db.session, result.comments)
+    else:
+        user_reactions = {}
+
+    for comment in result.comments:
+        base_data = comment_validator.model_validate(comment)
+        if current_user_id:
+            reaction = user_reactions.get(comment.uuid)
+            base_data.is_liked = (reaction == Reaction.LIKE)
+            base_data.is_disliked = (reaction == Reaction.DISLIKE) 
+        comments_with_like.append(base_data)
 
+    result.comments = comments_with_like
     return result
 
 

rating_api/schemas/models.py

@@ -26,6 +26,8 @@ class CommentGet(Base):
     like_count: int
     dislike_count: int
     user_fullname: str | None = None
+    is_liked: bool = False
+    is_disliked: bool = False
 
 
 class CommentGetWithStatus(CommentGet):

tests/conftest.py

@@ -139,6 +139,23 @@ def comment(dbsession, lecturer):
     dbsession.commit()
 
 
+@pytest.fixture
+def comment_reaction(dbsession, comment):
+    created_reactions = []
+
+    def _create_reaction(user_id: int, react: Reaction):
+        reaction = CommentReaction(user_id=user_id, comment_uuid=comment.uuid, reaction=react)
+        dbsession.add(reaction)
+        dbsession.commit()
+        created_reactions.append(reaction)
+
+    yield _create_reaction
+
+    for reaction in created_reactions:
+        dbsession.delete(reaction)
+    dbsession.commit()
+
+
 @pytest.fixture
 def unreviewed_comment(dbsession, lecturer):
     _comment = Comment(

tests/test_routes/test_comment.py

@@ -1,6 +1,5 @@
 import datetime
 import logging
-import uuid
 
 import pytest
 from starlette import status
@@ -196,13 +195,39 @@ def test_create_comment(client, dbsession, lecturers, body, lecturer_n, response
         assert user_comment is not None
 
 
-def test_get_comment(client, comment):
+@pytest.mark.parametrize(
+    "reaction_data, expected_reaction, comment_user_id",
+    [
+        (None, None, 0),
+        ((0, Reaction.LIKE), "is_liked", 0),  # my like on my comment
+        ((0, Reaction.DISLIKE), "is_disliked", 0),
+        ((999, Reaction.LIKE), None, 0),  # someone else's like on my comment
+        ((999, Reaction.DISLIKE), None, 0),
+        ((0, Reaction.LIKE), "is_liked", 999),  # my like on someone else's comment
+        ((0, Reaction.DISLIKE), "is_disliked", 999),
+        ((333, Reaction.LIKE), None, 999),  # someone else's like on another person's comment
+        ((333, Reaction.DISLIKE), None, 999),
+        (None, None, None),  # anonymous
+    ],
+)
+def test_get_comment_with_reaction(client, comment, reaction_data, expected_reaction, comment_user_id, comment_reaction):
+    comment.user_id = comment_user_id
+
+    if reaction_data:
+        user_id, reaction_type = reaction_data
+        comment_reaction(user_id, reaction_type)
+
     response_comment = client.get(f'{url}/{comment.uuid}')
-    print("1")
-    assert response_comment.status_code == status.HTTP_200_OK
-    random_uuid = uuid.uuid4()
-    response = client.get(f'{url}/{random_uuid}')
-    assert response.status_code == status.HTTP_404_NOT_FOUND
+
+    if response_comment:
+        data = response_comment.json()
+        if expected_reaction:
+            assert data[expected_reaction]
+        else:
+            assert data["is_liked"] == False
+            assert data["is_disliked"] == False
+    else:
+        assert response_comment.status_code == status.HTTP_404_NOT_FOUND
 
 
 @pytest.fixture