xiaoxia-saas/packages/domain/points_account.py

from __future__ import annotations

from dataclasses import dataclass, field
from datetime import UTC, datetime
from uuid import uuid4


@dataclass(slots=True)
class PointsAccount:
    id: str
    user_id: str
    balance: int = 0
    total_earned: int = 0
    total_spent: int = 0
    created_at: datetime = field(default_factory=lambda: datetime.now(UTC))
    updated_at: datetime = field(default_factory=lambda: datetime.now(UTC))

    @classmethod
    def create(cls, user_id: str) -> "PointsAccount":
        return cls(id=uuid4().hex, user_id=user_id)