mirror of
https://github.com/BEDOLAGA-DEV/remnawave-bedolaga-telegram-bot.git
synced 2026-02-14 08:00:29 +00:00
276 lines
7.9 KiB
Python
276 lines
7.9 KiB
Python
from __future__ import annotations
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import logging
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from datetime import datetime, timedelta
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from typing import List, Optional
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from sqlalchemy import func, select
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import selectinload
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from app.database.crud.promo_offer_log import log_promo_offer_action
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from app.database.models import DiscountOffer
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logger = logging.getLogger(__name__)
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async def upsert_discount_offer(
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db: AsyncSession,
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*,
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user_id: int,
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subscription_id: Optional[int],
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notification_type: str,
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discount_percent: int,
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bonus_amount_kopeks: int,
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valid_hours: int,
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effect_type: str = "percent_discount",
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extra_data: Optional[dict] = None,
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) -> DiscountOffer:
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"""Create or refresh a discount offer for a user."""
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expires_at = datetime.utcnow() + timedelta(hours=valid_hours)
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result = await db.execute(
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select(DiscountOffer)
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.where(
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DiscountOffer.user_id == user_id,
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DiscountOffer.notification_type == notification_type,
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DiscountOffer.is_active == True, # noqa: E712
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)
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.order_by(DiscountOffer.created_at.desc())
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)
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offer = result.scalars().first()
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if offer and offer.claimed_at is None:
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offer.discount_percent = discount_percent
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offer.bonus_amount_kopeks = bonus_amount_kopeks
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offer.expires_at = expires_at
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offer.subscription_id = subscription_id
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offer.effect_type = effect_type
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offer.extra_data = extra_data
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else:
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offer = DiscountOffer(
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user_id=user_id,
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subscription_id=subscription_id,
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notification_type=notification_type,
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discount_percent=discount_percent,
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bonus_amount_kopeks=bonus_amount_kopeks,
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expires_at=expires_at,
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is_active=True,
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effect_type=effect_type,
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extra_data=extra_data,
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)
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db.add(offer)
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await db.commit()
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await db.refresh(offer)
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return offer
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async def get_offer_by_id(db: AsyncSession, offer_id: int) -> Optional[DiscountOffer]:
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result = await db.execute(
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select(DiscountOffer)
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.options(
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selectinload(DiscountOffer.user),
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selectinload(DiscountOffer.subscription),
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)
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.where(DiscountOffer.id == offer_id)
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)
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return result.scalar_one_or_none()
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async def list_discount_offers(
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db: AsyncSession,
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*,
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offset: int = 0,
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limit: int = 50,
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user_id: Optional[int] = None,
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notification_type: Optional[str] = None,
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is_active: Optional[bool] = None,
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) -> List[DiscountOffer]:
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stmt = (
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select(DiscountOffer)
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.options(
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selectinload(DiscountOffer.user),
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selectinload(DiscountOffer.subscription),
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)
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.order_by(DiscountOffer.created_at.desc())
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.offset(offset)
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.limit(limit)
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)
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if user_id is not None:
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stmt = stmt.where(DiscountOffer.user_id == user_id)
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if notification_type:
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stmt = stmt.where(DiscountOffer.notification_type == notification_type)
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if is_active is not None:
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stmt = stmt.where(DiscountOffer.is_active == is_active)
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result = await db.execute(stmt)
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return result.scalars().all()
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async def list_active_discount_offers_for_user(
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db: AsyncSession,
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user_id: int,
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) -> List[DiscountOffer]:
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"""Return active (not yet claimed) offers for a user."""
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now = datetime.utcnow()
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stmt = (
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select(DiscountOffer)
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.options(
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selectinload(DiscountOffer.user),
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selectinload(DiscountOffer.subscription),
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)
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.where(
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DiscountOffer.user_id == user_id,
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DiscountOffer.is_active == True, # noqa: E712
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DiscountOffer.expires_at > now,
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)
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.order_by(DiscountOffer.expires_at.asc())
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)
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result = await db.execute(stmt)
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return result.scalars().all()
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async def count_discount_offers(
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db: AsyncSession,
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*,
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user_id: Optional[int] = None,
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notification_type: Optional[str] = None,
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is_active: Optional[bool] = None,
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) -> int:
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stmt = select(func.count(DiscountOffer.id))
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if user_id is not None:
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stmt = stmt.where(DiscountOffer.user_id == user_id)
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if notification_type:
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stmt = stmt.where(DiscountOffer.notification_type == notification_type)
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if is_active is not None:
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stmt = stmt.where(DiscountOffer.is_active == is_active)
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result = await db.execute(stmt)
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return int(result.scalar() or 0)
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async def mark_offer_claimed(
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db: AsyncSession,
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offer: DiscountOffer,
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*,
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details: Optional[dict] = None,
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) -> DiscountOffer:
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offer.claimed_at = datetime.utcnow()
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offer.is_active = False
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await db.commit()
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await db.refresh(offer)
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try:
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await log_promo_offer_action(
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db,
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user_id=offer.user_id,
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offer_id=offer.id,
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action="claimed",
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source=offer.notification_type,
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percent=offer.discount_percent,
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effect_type=offer.effect_type,
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details=details,
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)
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except Exception as exc: # pragma: no cover - defensive logging
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logger.warning(
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"Failed to record promo offer claim log for offer %s: %s",
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offer.id,
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exc,
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)
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try:
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await db.rollback()
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except Exception as rollback_error: # pragma: no cover - defensive logging
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logger.warning(
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"Failed to rollback session after promo offer claim log failure: %s",
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rollback_error,
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)
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return offer
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async def deactivate_expired_offers(db: AsyncSession) -> int:
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now = datetime.utcnow()
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result = await db.execute(
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select(DiscountOffer).where(
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DiscountOffer.is_active == True, # noqa: E712
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DiscountOffer.expires_at < now,
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)
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)
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offers = result.scalars().all()
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if not offers:
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return 0
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count = 0
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log_payloads = []
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for offer in offers:
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offer.is_active = False
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count += 1
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log_payloads.append(
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{
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"user_id": offer.user_id,
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"offer_id": offer.id,
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"source": offer.notification_type,
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"percent": offer.discount_percent,
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"effect_type": offer.effect_type,
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}
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)
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await db.commit()
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for payload in log_payloads:
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if not payload.get("user_id"):
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continue
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try:
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await log_promo_offer_action(
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db,
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user_id=payload["user_id"],
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offer_id=payload["offer_id"],
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action="disabled",
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source=payload.get("source"),
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percent=payload.get("percent"),
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effect_type=payload.get("effect_type"),
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details={"reason": "offer_expired"},
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)
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except Exception as exc: # pragma: no cover - defensive logging
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logger.warning(
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"Failed to record promo offer disable log for offer %s: %s",
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payload.get("offer_id"),
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exc,
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)
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try:
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await db.rollback()
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except Exception as rollback_error: # pragma: no cover - defensive logging
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logger.warning(
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"Failed to rollback session after promo offer disable log failure: %s",
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rollback_error,
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)
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return count
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async def get_latest_claimed_offer_for_user(
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db: AsyncSession,
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user_id: int,
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source: Optional[str] = None,
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) -> Optional[DiscountOffer]:
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stmt = (
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select(DiscountOffer)
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.where(
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DiscountOffer.user_id == user_id,
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DiscountOffer.claimed_at.isnot(None),
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)
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.order_by(DiscountOffer.claimed_at.desc())
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)
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if source:
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stmt = stmt.where(DiscountOffer.notification_type == source)
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result = await db.execute(stmt)
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return result.scalars().first()
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