from typing import Optional
from pydantic import BaseModel
from datetime import datetime
class CommentsCreate(BaseModel):
    body: str
    post_id: int
    user_id: int
class Comments(BaseModel):
    id: int
    body: str
    created_at: datetime
    updated_at: Optional[datetime] = None
    post_id: int
    user_id: int
    class Config:
        orm_mode = True