Egor
79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
import logging
|
|
from typing import Optional
|
|
|
|
from sqlalchemy.exc import MissingGreenlet
|
|
|
|
from app.database.models import Subscription, User
|
|
from app.utils.cache import UserCache
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
_CHECKOUT_SESSION_KEY = "subscription_checkout"
|
|
_CHECKOUT_TTL_SECONDS = 3600
|
|
|
|
|
|
async def save_subscription_checkout_draft(
|
|
user_id: int, data: dict, ttl: int = _CHECKOUT_TTL_SECONDS
|
|
) -> bool:
|
|
"""Persist subscription checkout draft data in cache."""
|
|
|
|
return await UserCache.set_user_session(user_id, _CHECKOUT_SESSION_KEY, data, ttl)
|
|
|
|
|
|
async def get_subscription_checkout_draft(user_id: int) -> Optional[dict]:
|
|
"""Retrieve subscription checkout draft from cache."""
|
|
|
|
return await UserCache.get_user_session(user_id, _CHECKOUT_SESSION_KEY)
|
|
|
|
|
|
async def clear_subscription_checkout_draft(user_id: int) -> bool:
|
|
"""Remove stored subscription checkout draft for the user."""
|
|
|
|
return await UserCache.delete_user_session(user_id, _CHECKOUT_SESSION_KEY)
|
|
|
|
|
|
async def has_subscription_checkout_draft(user_id: int) -> bool:
|
|
draft = await get_subscription_checkout_draft(user_id)
|
|
return draft is not None
|
|
|
|
|
|
def should_offer_checkout_resume(
|
|
user: User,
|
|
has_draft: bool,
|
|
*,
|
|
subscription: Subscription | None = None,
|
|
) -> bool:
|
|
"""
|
|
Determine whether checkout resume button should be available for the user.
|
|
|
|
Only users without an active paid subscription or users currently on trial
|
|
are eligible to continue assembling the subscription from the saved draft.
|
|
"""
|
|
|
|
if not has_draft:
|
|
return False
|
|
|
|
if subscription is None:
|
|
try:
|
|
subscription = getattr(user, "subscription", None)
|
|
except MissingGreenlet as error:
|
|
logger.warning(
|
|
"Не удалось лениво загрузить подписку пользователя %s при проверке возврата к checkout: %s",
|
|
getattr(user, "id", None),
|
|
error,
|
|
)
|
|
subscription = None
|
|
|
|
if subscription is None:
|
|
return True
|
|
|
|
if getattr(subscription, "is_trial", False):
|
|
return True
|
|
|
|
if getattr(subscription, "actual_status", None) == "expired":
|
|
return True
|
|
|
|
return False
|