Move eherkenning eenmanszaak flag to more natural SiteConfiguration

src/open_inwoner/configurations/admin.py

@@ -131,6 +131,7 @@ class SiteConfigurationAdmin(OrderedInlineModelAdminMixin, SingletonModelAdmin):
                     "name",
                     "login_show",
                     "login_allow_registration",
+                    "enable_eherkenning_for_eenmanszaak",
                     "login_2fa_sms",
                     "allow_messages_file_sharing",
                     "redirect_to",

src/open_inwoner/configurations/migrations/0075_siteconfiguration_enable_eherkenning_for_eenmanszaak.py

@@ -0,0 +1,50 @@
+# Generated by Django 4.2.18 on 2025-02-04 09:07
+
+import logging
+
+from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
+from django.db import migrations, models
+
+logger = logging.getLogger(__name__)
+
+
+def copy_setting_from_openzaak_config(apps, _):
+    OpenZaakConfig = apps.get_model("openzaak", "OpenZaakConfig")
+    SiteConfiguration = apps.get_model("configurations", "SiteConfiguration")
+
+    try:
+        openzaak_config = OpenZaakConfig.objects.get()  # should be a singleton
+        site_config = SiteConfiguration.objects.get()
+    except (ObjectDoesNotExist, MultipleObjectsReturned) as exc:
+        logger.warning(
+            "Unable to migrate `enable_eherkenning_for_eenmanszaak` flag from OpenZaakConfig, unable to fetch singletons",
+            exc_info=True,
+        )
+    else:
+        site_config.enable_eherkenning_for_eenmanszaak = (
+            openzaak_config.enable_eherkenning_for_eenmanszaak
+        )
+        site_config.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("configurations", "0074_alter_siteconfiguration_accent_color_and_more"),
+        ("openzaak", "0063_alter_openzaakconfig_show_cases_without_status"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="siteconfiguration",
+            name="enable_eherkenning_for_eenmanszaak",
+            field=models.BooleanField(
+                default=False,
+                help_text="If enabled, eenmanszaken may authenticate using eHerkenning and subsequently their kvk nummer will be used to interface with the zaken and klanten backends). If not, an eenmanszaak will be forced to use DigiD,  and the user's BSN will be used instead.",
+                verbose_name="Allow eenmanszaken to authenticate using eHerkenning",
+            ),
+        ),
+        migrations.RunPython(
+            copy_setting_from_openzaak_config, reverse_code=migrations.RunPython.noop
+        ),
+    ]

src/open_inwoner/configurations/models.py

@@ -128,6 +128,16 @@ class SiteConfiguration(SingletonModel):
         verbose_name=_("Login tekst"),
         help_text=_("Deze tekst wordt getoond op de login pagina."),
     )
+    enable_eherkenning_for_eenmanszaak = models.BooleanField(
+        verbose_name=_("Allow eenmanszaken to authenticate using eHerkenning"),
+        help_text=_(
+            "If enabled, eenmanszaken may authenticate using eHerkenning and "
+            "subsequently their kvk nummer will be used to interface with the zaken and"
+            " klanten backends). If not, an eenmanszaak will be forced to use DigiD, "
+            " and the user's BSN will be used instead."
+        ),
+        default=False,
+    )
     registration_text = models.TextField(
         blank=True,
         verbose_name=_("Registratie tekst"),

src/open_inwoner/openzaak/admin.py

@@ -87,7 +87,6 @@ class OpenZaakConfigAdmin(SingletonModelAdmin):
                     "zaken_filter_enabled",
                     "show_cases_without_status",
                     "order_statuses_by_date_set",
-                    "enable_eherkenning_for_eenmanszaak",
                 ),
             },
         ),

src/open_inwoner/openzaak/migrations/0064_remove_openzaakconfig_enable_eherkenning_for_eenmanszaak.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.18 on 2025-02-04 09:07
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("openzaak", "0063_alter_openzaakconfig_show_cases_without_status"),
+        ("configurations", "0075_siteconfiguration_enable_eherkenning_for_eenmanszaak"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="openzaakconfig",
+            name="enable_eherkenning_for_eenmanszaak",
+        ),
+    ]

src/open_inwoner/openzaak/models.py

@@ -427,17 +427,6 @@ def form_service(self, service):
         default=False,
     )
 
-    enable_eherkenning_for_eenmanszaak = models.BooleanField(
-        verbose_name=_("Allow eenmanszaken to authenticate using eHerkenning"),
-        help_text=_(
-            "If enabled, eenmanszaken may authenticate using eHerkenning and "
-            "subsequently their kvk nummer will be used to interface with the zaken and"
-            " klanten backends). If not, an eenmanszaak will be forced to use DigiD, "
-            " and the user's BSN will be used instead."
-        ),
-        default=False,
-    )
-
     derive_zaak_titel_from = models.CharField(
         choices=ZaakTitleDisplayChoices.choices,
         default=ZaakTitleDisplayChoices.zaaktype_omschrijving,