fix!: removed .commit() from repository level

services/notifications.py

@@ -1,22 +1,17 @@
 import asyncio
 from datetime import UTC, datetime, timedelta
-from typing import TYPE_CHECKING
 
 from sqlalchemy import select
 from sqlalchemy.dialects.postgresql import insert
 
 from config import cfg
 from db.models import ServiceNotification, Subscription
-from db.session import async_session
+from db.session import UnitOfWork, async_session
 from schemas.enums import NotificationType
 
-if TYPE_CHECKING:
-    from sqlalchemy.ext.asyncio import AsyncSession
 
-
-async def collect_subscription_notifications(
-    session: "AsyncSession", now: datetime | None = None
-) -> int:
+async def collect_subscription_notifications(uow: UnitOfWork, now: datetime | None = None) -> int:
+    session = uow.session
     now = now or datetime.now(UTC)
     periods = (
         (NotificationType.SEVEN_DAYS, now + timedelta(days=3), now + timedelta(days=7)),
@@ -48,7 +43,7 @@ async def collect_subscription_notifications(
         result = await session.execute(stmt)
         created += result.rowcount or 0
 
-    await session.commit()
+    await uow.commit()
     return created
 
 
@@ -56,8 +51,8 @@ async def run_subscription_notifications() -> None:
     interval = cfg.notification_scan_interval * 60
     while True:
         try:
-            async with async_session() as session:
-                await collect_subscription_notifications(session)
+            async with async_session() as session, UnitOfWork(session) as uow:
+                await collect_subscription_notifications(uow)
         except Exception:
             # A failed iteration must not stop subsequent notification checks.
             pass