feat: add analytics overview endpoint

src/adapter/postgres.py

@@ -388,6 +388,8 @@ class Postgres(DatabaseBase, Database):
         creative_id: uuid.UUID | None = None,
         include_archived: bool = False,
         allowed_project_ids: set[uuid.UUID] | None = None,
+        date_from: datetime.datetime | None = None,
+        date_to: datetime.datetime | None = None,
     ) -> list[domain.Placement]:
         query = domain.Placement.filter(workspace_id=workspace_id)
 
@@ -402,6 +404,11 @@ class Postgres(DatabaseBase, Database):
         if creative_id:
             query = query.filter(creative_id=creative_id)
 
+        if date_from:
+            query = query.filter(wanted_placement_date__gte=date_from)
+        if date_to:
+            query = query.filter(wanted_placement_date__lte=date_to)
+
         if not include_archived:
             query = query.filter(status=domain.PlacementStatus.ACTIVE)
 
@@ -409,7 +416,7 @@ class Postgres(DatabaseBase, Database):
             await query.prefetch_related(
                 'project', 'project__channel', 'placement_channel', 'creative', 'post', 'post__channel'
             )
-            .order_by('-placement_date')
+            .order_by('-wanted_placement_date')
             .all()
         )
 
@@ -432,6 +439,25 @@ class Postgres(DatabaseBase, Database):
     async def update_subscription(self, subscription: domain.Subscription) -> None:
         await subscription.save()
 
+    async def get_subscriptions_for_placements(
+        self,
+        placement_ids: list[uuid.UUID],
+        *,
+        date_from: datetime.datetime | None = None,
+        date_to: datetime.datetime | None = None,
+    ) -> list[domain.Subscription]:
+        if not placement_ids:
+            return []
+
+        query = domain.Subscription.filter(placement_id__in=placement_ids)
+
+        if date_from:
+            query = query.filter(created_at__gte=date_from)
+        if date_to:
+            query = query.filter(created_at__lte=date_to)
+
+        return await query.all()
+
     async def get_active_subscriptions_by_subscriber_and_project(
         self, subscriber_id: uuid.UUID, project_id: uuid.UUID
     ) -> list[domain.Subscription]: