feat(external-data): add information security registry entries endpoint

tests/apps/external_data/test_api.py

@@ -13,6 +13,7 @@ from tests.apps.external_data.factories import (
     IndustrialProductFactory,
     ProsecutorCheckFactory,
     PublicProcurementFactory,
+    InformationSecurityRegistryEntryFactory,
 )
 from tests.apps.organization.factories import OrganizationFactory
 from tests.apps.user.factories import UserFactory
@@ -89,3 +90,29 @@ class ExternalDataApiTest(APITestCase):
         self.assertEqual(procurement_response.data["count"], 1)
         self.assertEqual(arbitration_response.status_code, status.HTTP_200_OK)
         self.assertEqual(arbitration_response.data["count"], 1)
+
+    def test_information_security_registry_entries_filter(self):
+        InformationSecurityRegistryEntryFactory(
+            organization=self.organization,
+            presence_status="present",
+        )
+        InformationSecurityRegistryEntryFactory(
+            organization=self.other_organization,
+            presence_status="absent",
+        )
+
+        response = self.client.get(
+            f"/api/v1/information-security-registry-entries/?organization={self.organization.id}"
+            "&presence_status=present"
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data["count"], 1)
+        result = response.data["results"][0]
+        self.assertEqual(
+            result["organization"],
+            str(self.organization.id),
+        )
+        self.assertEqual(result["presence_status"], "present")
+        self.assertIn("registry_name", result)
+        self.assertIn("entry_number", result)