revert

app/dao/notifications_dao.py

@@ -298,19 +298,17 @@ def get_notifications_for_service(
     if client_reference is not None:
         filters.append(Notification.client_reference == client_reference)
 
-    query = select(Notification).where(*filters)
+    query = Notification.query.filter(*filters)
     query = _filter_query(query, filter_dict)
     if personalisation:
         query = query.options(joinedload(Notification.template))
 
-    query = query.order_by(desc(Notification.created_at))
-    results = db.session.execute(query).scalars().all()
-
-    page_size = current_app.config["PAGE_SIZE"]
-    offset = (page - 1) * page_size
-    paginated_results = results[offset : offset + page_size]
-    pagination = Pagination(paginated_results, page, page_size, len(results))
-    return pagination
+    return query.order_by(desc(Notification.created_at)).paginate(
+        page=page,
+        per_page=page_size,
+        count=count_pages,
+        error_out=error_out,
+    )
 
 
 def _filter_query(query, filter_dict=None):