from typing import Optional

from pydantic import BaseModel


class PostCreate(BaseModel):
    name: str
    description: Optional[str] = None
    price: float


class PostUpdate(BaseModel):
    name: Optional[str]
    description: Optional[str]
    price: Optional[float]


class PostRead(BaseModel):
    id: int
    name: str
    description: Optional[str] = None
    price: float