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
from app.schemas import UserCreate, UserRead, UserUpdate

router = APIRouter()

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

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

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

@router.put("/users/{user_id}", response_model=UserRead)
def update_user(user_id: int, user: UserUpdate, db: Session = Depends(get_db)):
    db_user = db.query(User).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.add(db_user)
    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(User).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 code defines a `router` object using `APIRouter` from FastAPI. It contains the following endpoints:






Note that this code assumes the existence of the following components: