from datetime import datetime
from typing import Optional

from pydantic import BaseModel


class ActivityBase(BaseModel):
    action: str
    entity_type: str
    entity_id: Optional[int] = None
    details: Optional[str] = None
    timestamp: datetime


class Activity(ActivityBase):
    id: int
    user_id: int

    model_config = {
        "from_attributes": True
    }