✨ [maykinmedia/archiefbeheercomponent#340] Add endpoint to retrieve z…

…aken

backend/src/openarchiefbeheer/api/urls.py

@@ -10,6 +10,7 @@
 
 app_name = "api"
 
+
 urlpatterns = [
     # API documentation
     path(
@@ -37,5 +38,10 @@
             "openarchiefbeheer.api.authentication.urls", namespace="authentication"
         ),
     ),
+    # Actual endpoints
+    path(
+        "v1/zaken/",
+        include("openarchiefbeheer.api.zaken.urls", namespace="zaken"),
+    ),
     path("v1/reviewers/", ReviewersView.as_view(), name="reviewers"),
 ]

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

@@ -0,0 +1,9 @@
+from django.urls import path
+
+from .views import ZakenView
+
+app_name = "zaken"
+
+urlpatterns = [
+    path("", ZakenView.as_view(), name="zaken"),
+]

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

@@ -0,0 +1,49 @@
+from django.utils.translation import gettext_lazy as _
+
+from drf_spectacular.utils import extend_schema
+from requests.exceptions import RequestException
+from rest_framework.renderers import JSONRenderer
+from rest_framework.request import Request
+from rest_framework.response import Response
+from rest_framework.views import APIView
+from zgw_consumers.client import build_client
+from zgw_consumers.constants import APITypes
+from zgw_consumers.models import Service
+
+from openarchiefbeheer.destruction.utils import process_zaken
+
+
+@extend_schema(
+    summary=_("List zaken"),
+    description=_(
+        "Retrieve zaken using the configured ZRC service. "
+        "Zaken already included in a destruction list are not returned. "
+        "For information over the query parameters accepted and the schema of the response, look at the "
+        "'/zaken/api/v1/zaken' list endpoint of Open Zaak."
+    ),
+)
+class ZakenView(APIView):
+    # We don't want the CamelCase renderer to alter the responses from Open Zaak
+    renderer_classes = (JSONRenderer,)
+
+    def get(self, request: Request) -> Response:
+        zrc_service = Service.objects.get(api_type=APITypes.zrc)
+        zrc_client = build_client(zrc_service)
+
+        with zrc_client:
+            response = zrc_client.get(
+                "zaken",
+                headers={"Accept-Crs": "EPSG:4326"},
+                params=request.query_params,
+            )
+
+        try:
+            response.raise_for_status()
+        except RequestException:
+            return Response({"error": response.json()}, status=response.status_code)
+
+        response_data = response.json()
+
+        response_data["results"] = process_zaken(response_data["results"])
+
+        return Response(response_data, status=response.status_code)