fix: Feature id in mv-option request is undefined

api/features/multivariate/views.py

@@ -33,6 +33,12 @@ def get_permissions(self):
             )
         ]
 
+    def create(self, request, *args, **kwargs):
+        feature_pk = self.kwargs.get("feature_pk")
+        project_pk = self.kwargs.get("project_pk")
+        get_object_or_404(Feature.objects.filter(project__id=project_pk), pk=feature_pk)
+        return super().create(request, *args, **kwargs)
+
     def get_queryset(self):
         if getattr(self, "swagger_fake_view", False):
             return MultivariateFeatureOption.objects.none()

api/tests/integration/features/multivariate/test_integration_multivariate.py

@@ -4,6 +4,12 @@
 from django.urls import reverse
 from pytest_lazyfixture import lazy_fixture
 from rest_framework import status
+from rest_framework.test import APIClient
+
+from features.models import Feature
+from organisations.models import Organisation
+from projects.models import Project
+from users.models import FFAdminUser
 
 
 @pytest.mark.parametrize(
@@ -34,6 +40,68 @@ def test_can_create_mv_option(client, project, mv_option_50_percent, feature):
     assert set(data.items()).issubset(set(response.json().items()))
 
 
+@pytest.mark.parametrize(
+    "client, feature_id",
+    [
+        (lazy_fixture("admin_client"), "undefined"),
+        (lazy_fixture("admin_client"), "89809"),
+    ],
+)
+def test_cannot_create_mv_option_when_feature_id_invalid(client, feature_id, project):
+    # Given
+    url = reverse(
+        "api-v1:projects:feature-mv-options-list",
+        args=[project, feature_id],
+    )
+
+    data = {
+        "type": "unicode",
+        "feature": feature_id,
+        "string_value": "bigger",
+        "default_percentage_allocation": 50,
+    }
+    # When
+    response = client.post(
+        url,
+        data=json.dumps(data),
+        content_type="application/json",
+    )
+    # Then
+    assert response.status_code == status.HTTP_404_NOT_FOUND
+
+
+def test_cannot_create_mv_option_when_user_is_not_owner_of_the_feature(project):
+    # Given
+    new_user = FFAdminUser.objects.create(email="[email protected]")
+    organisation = Organisation.objects.create(name="Test Org")
+    new_project = Project.objects.create(name="Test project", organisation=organisation)
+    feature = Feature.objects.create(
+        name="New_feature",
+        project=new_project,
+    )
+    url = reverse(
+        "api-v1:projects:feature-mv-options-list",
+        args=[project, feature.id],
+    )
+
+    data = {
+        "type": "unicode",
+        "feature": feature.id,
+        "string_value": "bigger",
+        "default_percentage_allocation": 50,
+    }
+    client = APIClient()
+    client.force_authenticate(user=new_user)
+    # When
+    response = client.post(
+        url,
+        data=json.dumps(data),
+        content_type="application/json",
+    )
+    # Then
+    assert response.status_code == status.HTTP_403_FORBIDDEN
+
+
 @pytest.mark.parametrize(
     "client",
     [lazy_fixture("admin_master_api_key_client"), lazy_fixture("admin_client")],

frontend/common/stores/feature-list-store.js

@@ -66,7 +66,7 @@ const controller = {
           (flag.multivariate_options || []).map((v) =>
             data
               .post(
-                `${Project.api}projects/${projectId}/features/${flag.id}/mv-options/`,
+                `${Project.api}projects/${projectId}/features/${res.id}/mv-options/`,
                 {
                   ...v,
                   feature: res.id,