Refactor user CRUD functions

src/backend/langflow/services/database/models/user/crud.py

@@ -1,22 +1,21 @@
 from datetime import datetime, timezone
-from typing import Union
+from typing import Optional, Union
 from uuid import UUID
+
 from fastapi import Depends, HTTPException, status
 from langflow.services.database.models.user.model import User, UserUpdate
 from langflow.services.deps import get_session
 from sqlalchemy.exc import IntegrityError
-from sqlmodel import Session
-from typing import Optional
-
 from sqlalchemy.orm.attributes import flag_modified
+from sqlmodel import Session, select
 
 
 def get_user_by_username(db: Session, username: str) -> Union[User, None]:
-    return db.query(User).filter(User.username == username).first()
+    return db.exec(select(User).where(User.username == username)).first()
 
 
 def get_user_by_id(db: Session, id: UUID) -> Union[User, None]:
-    return db.query(User).filter(User.id == id).first()
+    return db.exec(select(User).where(User.id == id)).first()
 
 
 def update_user(user_db: Optional[User], user: UserUpdate, db: Session = Depends(get_session)) -> User:
@@ -27,7 +26,7 @@ def update_user(user_db: Optional[User], user: UserUpdate, db: Session = Depends
     # if user_db_by_username and user_db_by_username.id != user_id:
     #     raise HTTPException(status_code=409, detail="Username already exists")
 
-    user_data = user.dict(exclude_unset=True)
+    user_data = user.model_dump(exclude_unset=True)
     changed = False
     for attr, value in user_data.items():
         if hasattr(user_db, attr) and value is not None: