Here's the `user.py` file with CRUD endpoints for the `User` model:


from typing import List
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session

from app.db import get_db
from app.models import User as UserModel
from app.schemas import User, UserCreate, UserUpdate

router = APIRouter()

@router.get("/users/", response_model=List[User])
def read_users(db: Session = Depends(get_db)):
    users = db.query(UserModel).all()
    return users

@router.get("/users/{user_id}", response_model=User)
def read_user(user_id: int, db: Session = Depends(get_db)):
    user = db.query(UserModel).get(user_id)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    return user

@router.post("/users/", response_model=User)
def create_user(user: UserCreate, db: Session = Depends(get_db)):
    db_user = UserModel(**user.dict())
    db.add(db_user)
    db.commit()
    db.refresh(db_user)
    return db_user

@router.put("/users/{user_id}", response_model=User)
def update_user(user_id: int, user: UserUpdate, db: Session = Depends(get_db)):
    db_user = db.query(UserModel).get(user_id)
    if not db_user:
        raise HTTPException(status_code=404, detail="User not found")
    update_data = user.dict(exclude_unset=True)
    for key, value in update_data.items():
        setattr(db_user, key, value)
    db.commit()
    db.refresh(db_user)
    return db_user

@router.delete("/users/{user_id}")
def delete_user(user_id: int, db: Session = Depends(get_db)):
    db_user = db.query(UserModel).get(user_id)
    if not db_user:
        raise HTTPException(status_code=404, detail="User not found")
    db.delete(db_user)
    db.commit()
    return {"message": "User deleted successfully"}

This file defines the following endpoints: