from datetime import datetime, UTC
from typing import Optional, List
from pydantic import BaseModel, Field

class Album(BaseModel):
    id: Optional[str] = None
    name: str
    description: Optional[str] = None
    cover_asset_id: Optional[str] = None
    generation_ids: List[str] = []
    created_at: datetime = Field(default_factory=lambda: datetime.now(UTC))
    updated_at: datetime = Field(default_factory=lambda: datetime.now(UTC))