from typing import Optional
from pydantic import BaseModel

class ContestEntity(BaseModel):
    id: Optional[int] = None
    title: str
    description: Optional[str] = None
    web_url: str
    photo: Optional[str] = None
    results: Optional[str] = None
    is_win: Optional[bool] = None
    project_id: int
    status_id: int