Add initial implementations for forms and organization apps with serializers, factories, and admin configurations

src/apps/organization/api.py

@@ -11,6 +11,8 @@ from apps.organization.serializers import (
     OrganizationListSerializer,
     OrganizationSerializer,
 )
+from apps.registers.models import RegistryMembershipPeriod
+from django.db.models import Prefetch
 from django_filters import rest_framework as filters
 from rest_framework.permissions import IsAuthenticated
 
@@ -21,10 +23,18 @@ class OrganizationFilter(filters.FilterSet):
     name = filters.CharFilter(lookup_expr="icontains")
     inn = filters.CharFilter(lookup_expr="exact")
     ogrn = filters.CharFilter(lookup_expr="exact")
+    registry = filters.UUIDFilter(method="filter_registry")
+
+    @staticmethod
+    def filter_registry(queryset, _name, value):
+        return queryset.filter(
+            membership_periods__registry_id=value,
+            membership_periods__ended_at__isnull=True,
+        ).distinct()
 
     class Meta:
         model = Organization
-        fields = ["name", "inn", "ogrn"]
+        fields = ["name", "inn", "ogrn", "registry"]
 
 
 class OrganizationViewSet(ReadOnlyViewSet[Organization]):
@@ -55,3 +65,18 @@ class OrganizationViewSet(ReadOnlyViewSet[Organization]):
         if self.action in self.serializer_classes:
             return self.serializer_classes[self.action]
         return super().get_serializer_class()
+
+    def get_queryset(self):
+        return (
+            super()
+            .get_queryset()
+            .prefetch_related(
+                Prefetch(
+                    "membership_periods",
+                    queryset=RegistryMembershipPeriod.objects.filter(
+                        ended_at__isnull=True
+                    ).select_related("registry"),
+                    to_attr="active_membership_periods_prefetched",
+                )
+            )
+        )