Files
remnawave-bedolaga-telegram…/app/database/crud/discount_offer.py

91 lines
2.5 KiB
Python

from datetime import datetime, timedelta
from typing import Optional
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from app.database.models import DiscountOffer
async def upsert_discount_offer(
db: AsyncSession,
*,
user_id: int,
subscription_id: Optional[int],
notification_type: str,
discount_percent: int,
bonus_amount_kopeks: int,
valid_hours: int,
) -> DiscountOffer:
"""Create or refresh a discount offer for a user."""
expires_at = datetime.utcnow() + timedelta(hours=valid_hours)
result = await db.execute(
select(DiscountOffer)
.where(
DiscountOffer.user_id == user_id,
DiscountOffer.notification_type == notification_type,
DiscountOffer.is_active == True, # noqa: E712
)
.order_by(DiscountOffer.created_at.desc())
)
offer = result.scalars().first()
if offer and offer.claimed_at is None:
offer.discount_percent = discount_percent
offer.bonus_amount_kopeks = bonus_amount_kopeks
offer.expires_at = expires_at
offer.subscription_id = subscription_id
else:
offer = DiscountOffer(
user_id=user_id,
subscription_id=subscription_id,
notification_type=notification_type,
discount_percent=discount_percent,
bonus_amount_kopeks=bonus_amount_kopeks,
expires_at=expires_at,
is_active=True,
)
db.add(offer)
await db.commit()
await db.refresh(offer)
return offer
async def get_offer_by_id(db: AsyncSession, offer_id: int) -> Optional[DiscountOffer]:
result = await db.execute(
select(DiscountOffer).where(DiscountOffer.id == offer_id)
)
return result.scalar_one_or_none()
async def mark_offer_claimed(db: AsyncSession, offer: DiscountOffer) -> DiscountOffer:
offer.claimed_at = datetime.utcnow()
offer.is_active = False
await db.commit()
await db.refresh(offer)
return offer
async def deactivate_expired_offers(db: AsyncSession) -> int:
now = datetime.utcnow()
result = await db.execute(
select(DiscountOffer).where(
DiscountOffer.is_active == True, # noqa: E712
DiscountOffer.expires_at < now,
)
)
offers = result.scalars().all()
if not offers:
return 0
count = 0
for offer in offers:
offer.is_active = False
count += 1
await db.commit()
return count