🎨 [#143] added better many detection for nested fields

Author: bart-maykin

src/openklant/components/klantinteracties/api/tests/test_expand.py

@@ -55,7 +55,7 @@ def test_list_single_expansion(self):
             klantcontact["hadBetrokkenen"][0]["uuid"], str(self.betrokkene.uuid)
         )
         self.assertTrue(klantcontact["_expand"])
-        expand = klantcontact["_expand"]["hadBetrokkenen"]
+        expand = klantcontact["_expand"]["hadBetrokkenen"][0]
 
         self.assertEqual(
             expand["bezoekadres"],
@@ -107,7 +107,7 @@ def test_list_multiple_level_expansion(self):
             klantcontact["hadBetrokkenen"][0]["uuid"], str(self.betrokkene.uuid)
         )
         self.assertTrue(klantcontact["_expand"])
-        expand = klantcontact["_expand"]["hadBetrokkenen"]
+        expand = klantcontact["_expand"]["hadBetrokkenen"][0]
 
         self.assertEqual(
             expand["bezoekadres"],
@@ -193,7 +193,7 @@ def test_detail_single_expansion(self):
 
         self.assertEqual(data["hadBetrokkenen"][0]["uuid"], str(self.betrokkene.uuid))
         self.assertTrue(data["_expand"])
-        expand = data["_expand"]["hadBetrokkenen"]
+        expand = data["_expand"]["hadBetrokkenen"][0]
 
         self.assertEqual(
             expand["bezoekadres"],
@@ -244,7 +244,7 @@ def test_detail_multiple_level_expansion(self):
 
         self.assertEqual(data["hadBetrokkenen"][0]["uuid"], str(self.betrokkene.uuid))
         self.assertTrue(data["_expand"])
-        expand = data["_expand"]["hadBetrokkenen"]
+        expand = data["_expand"]["hadBetrokkenen"][0]
 
         self.assertEqual(
             expand["bezoekadres"],

src/openklant/components/utils/expansion.py

@@ -237,7 +237,9 @@ def _field_inclusions(
         if isinstance(inclusion_serializer, str):
             inclusion_serializer = import_string(inclusion_serializer)
 
-        many = True if hasattr(field, "child_relation") else False
+        many = (
+            True if hasattr(field, "child_relation") else getattr(field, "many", False)
+        )
 
         for obj in self._some_related_field_inclusions(
             new_path, field, instance, inclusion_serializer