role childs service add to BaseViewSet

apps/authorization/api/v1/api.py

@@ -25,7 +25,7 @@ from apps.core.mixins.search_mixin import DynamicSearchMixin
 from apps.core.mixins.soft_delete_mixin import SoftDeleteMixin
 
 
-class RoleViewSet(SoftDeleteMixin, viewsets.ModelViewSet):
+class RoleViewSet(BaseViewSet, SoftDeleteMixin, viewsets.ModelViewSet):
     """ Crud Operations For User Roles """
 
     queryset = Role.objects.all()
@@ -33,6 +33,14 @@ class RoleViewSet(SoftDeleteMixin, viewsets.ModelViewSet):
     filter_backends = [filters.SearchFilter]
     search_fields = ['role_name', 'type__name']
 
+    def list(self, request, *args, **kwargs):
+        """ all roles """
+
+        role = self.paginate_queryset(self.get_queryset().order_by('-modify_date'))
+        if role is not None:  # noqa
+            serializer = self.get_serializer(role, many=True)
+            return self.get_paginated_response(serializer.data)
+
 
 class PageViewSet(SoftDeleteMixin, viewsets.ModelViewSet):
     """ add website pages to system to set permission on it """

apps/authorization/services/role_child.py

@@ -0,0 +1,15 @@
+import typing
+
+from apps.authorization.models import Role
+
+
+def get_all_role_child(role: Role = None) -> typing.Any:
+    """
+    get all child of an role
+    """
+    descendants = []
+    children = role.child.all()
+    for child in children:
+        descendants.append(child)
+        descendants.extend(get_all_org_child(child))
+    return descendants