feat: add polling stations to report map

hub/graphql/types/model_types.py

@@ -21,13 +21,18 @@
 
 from hub import models
 from hub.enrichment.sources import builtin_mapping_sources
+from hub.enrichment.sources.electoral_commission_postcode_lookup import (
+    electoral_commision_address_lookup,
+    electoral_commision_postcode_lookup,
+)
 from hub.graphql.context import HubDataLoaderContext
 from hub.graphql.dataloaders import (
     FieldDataLoaderFactory,
     FieldReturningListDataLoaderFactory,
     ReverseFKWithFiltersDataLoaderFactory,
     filterable_dataloader_resolver,
 )
+from hub.graphql.types.electoral_commission import ElectoralCommissionPostcodeLookup
 from hub.graphql.types.geojson import MultiPolygonFeature, PointFeature
 from hub.graphql.types.postcodes import PostcodesIOResult
 from hub.graphql.utils import attr_field, dict_key_field, fn_field
@@ -660,6 +665,17 @@ class MapReportMemberFeature(PointFeature):
     id: Optional[str]
     properties: Optional[GenericData]
 
+    # TODO: move this somewhere more rational
+    @strawberry_django.field
+    async def electoral_commission(
+        self, address_slug: Optional[str] = None
+    ) -> Optional[ElectoralCommissionPostcodeLookup]:
+        if address_slug:
+            return await electoral_commision_address_lookup(address_slug)
+        if self.properties:
+            return await electoral_commision_postcode_lookup(self.properties.postcode)
+        return None
+
 
 @strawberry.enum
 class AnalyticalAreaType(Enum):