Добавлена отправка накладных на почту

app/repositories/order/repository.py

@@ -144,3 +144,38 @@ class OrderRepository:
         order.cdek_polled_at = polled_at
         await session.flush()
         return order
+
+    async def list_orders_pending_waybill_email(
+        self,
+        session: AsyncSession,
+        *,
+        limit: int,
+    ) -> Sequence[Order]:
+        statement = (
+            select(Order)
+            .where(
+                Order.cdek_waybill_url.is_not(None),
+                Order.waybill_email_sent_at.is_(None),
+            )
+            .order_by(Order.created_at.asc())
+            .limit(limit)
+            .with_for_update(skip_locked=True)
+        )
+        result = await session.execute(statement)
+        return result.scalars().all()
+
+    async def record_waybill_email_sent(
+        self,
+        session: AsyncSession,
+        *,
+        order_uuid: str,
+        sent_at: datetime,
+    ) -> Order | None:
+        order = await self.get_order_by_order_uuid(session, order_uuid)
+        if order is None:
+            return None
+
+        if order.waybill_email_sent_at is None:
+            order.waybill_email_sent_at = sent_at
+            await session.flush()
+        return order