feat: доменный нейминг изменен

src/usecase/subscription/handle_subscription.py

@@ -14,6 +14,8 @@ async def handle_subscription(
     user_telegram_id: int,
     username: str | None,
     invite_link: str,
+    first_name: str | None = None,
+    last_name: str | None = None,
 ) -> None:
     """
     Обрабатывает подписку пользователя в целевой канал.
@@ -23,37 +25,48 @@ async def handle_subscription(
     """
     async with self.database.transaction():
         # Находим закуп по пригласительной ссылке
-        purchase = await self.database.get_purchase_by_invite_link(invite_link)
-        if not purchase:
-            log.warning('Purchase not found for invite_link: %s', invite_link)
+        placement = await self.database.get_placement_by_invite_link(invite_link)
+        if not placement:
+            log.warning('Placement not found for invite_link: %s', invite_link)
             return
 
+        # Создаём или обновляем подписчика
+        subscriber = domain.Subscriber(
+            telegram_id=user_telegram_id,
+            username=username,
+            first_name=first_name,
+            last_name=last_name,
+        )
+        subscriber = await self.database.upsert_subscriber(subscriber)
+
         # Проверяем, не создана ли уже подписка для этого пользователя
-        existing_subscription = await self.database.get_subscription_by_user_and_purchase(user_telegram_id, purchase.id)
+        existing_subscription = await self.database.get_subscription_by_subscriber_and_placement(
+            subscriber.id, placement.id
+        )
         if existing_subscription:
             log.info(
-                'Subscription already exists for user %s and purchase %s',
-                user_telegram_id,
-                purchase.id,
+                'Subscription already exists for subscriber %s and placement %s',
+                subscriber.id,
+                placement.id,
             )
             return
 
         # Создаём запись о подписке
         subscription = domain.Subscription(
-            purchase_id=purchase.id,
-            user_telegram_id=user_telegram_id,
-            username=username,
+            placement_id=placement.id,
+            subscriber_id=subscriber.id,
             invite_link=invite_link,
         )
         await self.database.create_subscription(subscription)
 
         # Увеличиваем счётчик подписок у закупа
-        purchase.subscriptions_count += 1
-        await self.database.update_purchase(purchase)
+        placement.subscriptions_count += 1
+        await self.database.update_placement(placement)
 
         log.info(
-            'Subscription created: user %s subscribed via purchase %s (invite_link: %s)',
+            'Subscription created: subscriber %s (telegram_id: %s) subscribed via placement %s (invite_link: %s)',
+            subscriber.id,
             user_telegram_id,
-            purchase.id,
+            placement.id,
             invite_link,
         )