feat: add diagnostic view and update URL routing for build probe in provider and relying party

scripts/build_probe.py

@@ -3,6 +3,7 @@ import os
 from pathlib import Path
 
 from django.http import JsonResponse
+from spid_cie_oidc.entity.models import FederationEntityConfiguration, TrustChain, FetchedEntityStatement
 
 
 def build_probe_view(service: str):
@@ -32,3 +33,25 @@ def build_probe_view(service: str):
             "hostname": os.getenv("HOSTNAME", ""),
         }
     )
+
+
+def diag_view(service: str):
+    configs = FederationEntityConfiguration.objects.all()
+    active = FederationEntityConfiguration.objects.filter(is_active=True)
+    first = configs.order_by("id").first()
+    first_active = active.order_by("id").first()
+
+    return JsonResponse(
+        {
+            "ok": True,
+            "service": service,
+            "config_count": configs.count(),
+            "active_config_count": active.count(),
+            "first_sub": getattr(first, "sub", None),
+            "first_entity_type": getattr(first, "entity_type", None),
+            "first_active_sub": getattr(first_active, "sub", None),
+            "first_active_entity_type": getattr(first_active, "entity_type", None),
+            "trust_chain_count": TrustChain.objects.count(),
+            "fetched_statement_count": FetchedEntityStatement.objects.count(),
+        }
+    )