From 6772ddb5c88d288a20a577775d37cc9eb37f3e19 Mon Sep 17 00:00:00 2001
From: mpeltriaux <Michel_Peltriaux@web.de>
Date: Mon, 17 Aug 2026 14:35:42 +0200
Subject: [PATCH] # Remove ExternalIdentifier

* adds removing of ExternalIdentifier entries if a BaseObject is removed from the database
* removes unused import statements
* adds ExternalIdentifier view to admin backend
---
 api/admin.py            | 12 ++++++++++++
 intervention/admin.py   |  2 +-
 konova/admin.py         |  4 +---
 konova/models/object.py | 27 +++++++++++++++++++++++++++
 4 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/api/admin.py b/api/admin.py
index 3cad8630..8a656a19 100644
--- a/api/admin.py
+++ b/api/admin.py
@@ -1,5 +1,6 @@
 from django.contrib import admin
 
+from api.models import ExternalIdentifier
 from api.models.token import APIUserToken, OAuthToken
 
 
@@ -28,6 +29,17 @@ class OAuthTokenAdmin(admin.ModelAdmin):
         "refresh_token",
     ]
 
+class ExternalIdentifierAdmin(admin.ModelAdmin):
+    list_display = [
+        "external_id",
+        "internal_id",
+        "created",
+    ]
+    search_fields = [
+        "external_id",
+        "internal_id",
+    ]
 
 admin.site.register(APIUserToken, APITokenAdmin)
 admin.site.register(OAuthToken, OAuthTokenAdmin)
+admin.site.register(ExternalIdentifier, ExternalIdentifierAdmin)
diff --git a/intervention/admin.py b/intervention/admin.py
index 208030e6..09531dab 100644
--- a/intervention/admin.py
+++ b/intervention/admin.py
@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from intervention.models import Intervention, Responsibility, Legal, Revocation, InterventionDocument
+from intervention.models import Intervention
 from konova.admin import AbstractDocumentAdmin, BaseObjectAdmin
 
 
diff --git a/konova/admin.py b/konova/admin.py
index 07d692d7..6b5633e5 100644
--- a/konova/admin.py
+++ b/konova/admin.py
@@ -7,10 +7,7 @@ Created on: 22.07.21
 """
 from django.contrib import admin
 
-from konova.models import Geometry, Deadline, GeometryConflict, Parcel, District, Municipal, ParcelGroup, Resubmission
 from konova.sub_settings.lanis_settings import DEFAULT_SRID_RLP
-from konova.utils.message_templates import COMPENSATION_REMOVED_TEMPLATE
-from user.models import UserAction
 
 
 class GeometryAdmin(admin.ModelAdmin):
@@ -123,6 +120,7 @@ class BaseResourceAdmin(admin.ModelAdmin):
 
 class BaseObjectAdmin(BaseResourceAdmin, DeletableObjectMixinAdmin):
     search_fields = [
+        "id",
         "identifier",
         "title",
     ]
diff --git a/konova/models/object.py b/konova/models/object.py
index 9de26a3f..651536bf 100644
--- a/konova/models/object.py
+++ b/konova/models/object.py
@@ -146,6 +146,33 @@ class BaseObject(BaseResource, DeletableObjectMixin):
     class Meta:
         abstract = True
 
+    def delete(self, using=None, keep_parents=False):
+        """ Base deleting of a BaseObject instance
+
+        Args:
+            using:
+            keep_parents:
+
+        Returns:
+
+        """
+        self.__delete_external_identifier()
+        super().delete(using, keep_parents)
+
+    def __delete_external_identifier(self):
+        """ Checks on existing external identifier linking and drops them
+
+        Returns:
+
+        """
+        from api.models import ExternalIdentifier
+        try:
+            external_identifier = ExternalIdentifier.objects.filter(internal_id=self.id)
+            external_identifier.delete()
+        except ObjectDoesNotExist:
+            pass
+
+
     @abstractmethod
     def set_status_messages(self, request: HttpRequest):
         raise NotImplementedError