feat: 初始化工程

service/comment_service.py

@@ -0,0 +1,53 @@
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from models.family import Comments
+from schemas.comment import CommentCreate, CommentUpdate
+from service.record_service import get_record_by_id
+
+
+def get_comment_by_id(db: Session, comment_id: int) -> Comments | None:
+    result = db.execute(select(Comments).where(Comments.id == comment_id))
+    return result.scalar_one_or_none()
+
+
+def create_comment(db: Session, comment_dto: CommentCreate) -> bool:
+    comment = Comments(**comment_dto.model_dump())
+    db.add(comment)
+
+    record = get_record_by_id(db, comment_dto.record_id)
+    if record:
+        record.comment_count = (record.comment_count or 0) + 1
+
+    db.commit()
+    db.refresh(comment)
+
+    return True
+
+
+def update_comment(db: Session, comment_id: int, comment_dto: CommentUpdate) -> bool:
+    comment = get_comment_by_id(db, comment_id)
+    if not comment:
+        return False
+
+    comment.content = comment_dto.content
+    db.commit()
+    db.refresh(comment)
+    return True
+
+
+def delete_comment(db: Session, comment_id: int, current_user_id: int) -> bool:
+    comment = get_comment_by_id(db, comment_id)
+    if not comment:
+        return False
+    if comment.user_id != current_user_id:
+        return False
+
+    record = get_record_by_id(db, comment.record_id)
+    if record and record.comment_count and record.comment_count > 0:
+        record.comment_count -= 1
+
+    db.delete(comment)
+    db.commit()
+
+    return True