✨ [#397] Add mechanism to save zaak metadata before deleting

backend/src/openarchiefbeheer/destruction/api/serializers.py

@@ -15,7 +15,10 @@
 from openarchiefbeheer.accounts.models import User
 from openarchiefbeheer.logging import logevent
 from openarchiefbeheer.zaken.api.filtersets import ZaakFilter
-from openarchiefbeheer.zaken.api.serializers import ZaakSerializer
+from openarchiefbeheer.zaken.api.serializers import (
+    ZaakMetadataSerializer,
+    ZaakSerializer,
+)
 from openarchiefbeheer.zaken.models import Zaak
 from openarchiefbeheer.zaken.utils import retrieve_selectielijstklasse_resultaat
 
@@ -132,6 +135,7 @@ def validate(self, attrs: dict) -> dict:
 
 class DestructionListItemReadSerializer(serializers.ModelSerializer):
     zaak = ZaakSerializer(allow_null=True, read_only=True)
+    extra_zaak_data = ZaakMetadataSerializer(read_only=True, allow_null=True)
 
     class Meta:
         model = DestructionListItem

backend/src/openarchiefbeheer/destruction/models.py

@@ -14,7 +14,10 @@
 from openarchiefbeheer.accounts.models import User
 from openarchiefbeheer.config.models import ArchiveConfig
 from openarchiefbeheer.utils.results_store import ResultStore
-from openarchiefbeheer.zaken.utils import delete_zaak_and_related_objects
+from openarchiefbeheer.zaken.utils import (
+    delete_zaak_and_related_objects,
+    get_zaak_metadata,
+)
 
 from .assignment_logic import STATE_MANAGER
 from .constants import (
@@ -276,6 +279,7 @@ def _delete_zaak(self):
 
     def process_deletion(self) -> None:
         self.processing_status = InternalStatus.processing
+        self.extra_zaak_data = get_zaak_metadata(self.zaak)
         self.save()
 
         try:

backend/src/openarchiefbeheer/zaken/api/serializers.py

@@ -1,5 +1,6 @@
 from django.utils.translation import gettext_lazy as _
 
+from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 from rest_framework_gis.fields import GeometryField
@@ -120,3 +121,30 @@ def validate(self, attrs):
                 _("Multiple query parameters at the same time are not supported.")
             )
         return attrs
+
+
+class ZaakMetadataSerializer(serializers.ModelSerializer):
+    zaaktype = serializers.SerializerMethodField()
+
+    class Meta:
+        model = Zaak
+        fields = (
+            "url",
+            "einddatum",
+            "resultaat",
+            "startdatum",
+            "omschrijving",
+            "identificatie",
+            "zaaktype",
+        )
+
+    @extend_schema_field(serializers.JSONField)
+    def get_zaaktype(self, zaak: Zaak) -> dict | None:
+        zaaktype = zaak._expand["zaaktype"]
+        return {
+            "url": zaaktype["url"],
+            "omschrijving": zaaktype["omschrijving"],
+            "selectielijst_procestype": {
+                "nummer": zaaktype["selectielijst_procestype"]["nummer"]
+            },
+        }

backend/src/openarchiefbeheer/zaken/utils.py

@@ -356,3 +356,10 @@ def format_choice(item: dict) -> DropDownChoice:
         results += [format_choice(result) for result in page["results"]]
 
     return results
+
+
+def get_zaak_metadata(zaak: Zaak) -> dict:
+    from .api.serializers import ZaakMetadataSerializer
+
+    serializer = ZaakMetadataSerializer(instance=zaak)
+    return serializer.data