from pydantic import BaseModel class MealBase(BaseModel): name: str description: str price: float class MealCreate(MealBase): pass class MealUpdate(MealBase): pass class Meal(MealBase): id: int class Config: orm_mode = True class OrderBase(BaseModel): quantity: int class OrderCreate(OrderBase): meal_id: int class Order(OrderBase): id: int user_id = int meal_id = int class Config: orm_mode = True