add actve sectors query

Author: Deepthi-Chand

api/schema/sector_schema.py

@@ -9,6 +9,7 @@
 
 from api.models import Sector
 from api.types.type_sector import TypeSector
+from api.utils.enums import DatasetStatus
 
 
 @strawberry.input
@@ -40,6 +41,12 @@ def sector(self, info: Info, id: uuid.UUID) -> Optional[TypeSector]:
         except Sector.DoesNotExist:
             raise ValueError(f"Sector with ID {id} does not exist.")
 
+    @strawberry_django.field
+    def active_sectors(self, info: Info) -> list[TypeSector]:
+        """Get sectors with published datasets."""
+        queryset = Sector.objects.filter(datasets__status=DatasetStatus.PUBLISHED)
+        return TypeSector.from_django_list(queryset)
+
 
 @strawberry.type
 class Mutation: