feat: доменный нейминг изменен

src/usecase/placement/get_placement.py

@@ -0,0 +1,39 @@
+import logging
+from typing import TYPE_CHECKING
+
+from src import domain, dto
+
+if TYPE_CHECKING:
+    from .. import Usecase
+
+log = logging.getLogger(__name__)
+
+
+async def get_placement(self: 'Usecase', input: dto.GetPlacementInput) -> dto.PlacementOutput:
+    async with self.database.transaction():
+        placement = await self.database.get_placement(input.user_id, input.placement_id)
+        if not placement:
+            log.warning('Placement %s not found for user %s', input.placement_id, input.user_id)
+            raise domain.PlacementNotFound(input.placement_id)
+
+        return dto.PlacementOutput(
+            id=placement.id,
+            target_channel_id=placement.target_channel_id,
+            target_channel_title=placement.target_channel.title,
+            external_channel_id=placement.external_channel_id,
+            external_channel_title=placement.external_channel.title,
+            creative_id=placement.creative_id,
+            creative_name=placement.creative.name,
+            placement_date=placement.placement_date,
+            cost=placement.cost,
+            comment=placement.comment,
+            ad_post_url=placement.ad_post_url,
+            invite_link_type=placement.invite_link_type,
+            invite_link=placement.invite_link,
+            status=placement.status,
+            subscriptions_count=placement.subscriptions_count,
+            views_count=placement.views_count,
+            views_availability=placement.views_availability,
+            last_views_fetch_at=placement.last_views_fetch_at,
+            created_at=placement.created_at,
+        )