feat(cdp): Public templates API (#24802)

posthog/api/__init__.py

@@ -369,10 +369,8 @@ def register_grandfathered_environment_nested_viewset(
 router.register(r"async_migrations", async_migration.AsyncMigrationsViewset, "async_migrations")
 router.register(r"instance_settings", instance_settings.InstanceSettingsViewset, "instance_settings")
 router.register(r"kafka_inspector", kafka_inspector.KafkaInspectorViewSet, "kafka_inspector")
-
 router.register("debug_ch_queries/", debug_ch_queries.DebugCHQueries, "debug_ch_queries")
 
-
 from posthog.api.action import ActionViewSet  # noqa: E402
 from posthog.api.cohort import CohortViewSet, LegacyCohortViewSet  # noqa: E402
 from posthog.api.web_experiment import WebExperimentViewSet  # noqa: E402
@@ -502,7 +500,7 @@ def register_grandfathered_environment_nested_viewset(
 
 projects_router.register(
     r"hog_function_templates",
-    hog_function_template.HogFunctionTemplateViewSet,
+    hog_function_template.PublicHogFunctionTemplateViewSet,
     "project_hog_function_templates",
     ["project_id"],
 )

posthog/api/hog_function_template.py

@@ -1,15 +1,12 @@
 import structlog
 from django_filters.rest_framework import DjangoFilterBackend
-from rest_framework import viewsets
+from rest_framework import viewsets, permissions
 from rest_framework.request import Request
 from rest_framework.response import Response
 from rest_framework.exceptions import NotFound
 
-from posthog.api.routing import TeamAndOrgViewSetMixin
 from posthog.cdp.templates import HOG_FUNCTION_TEMPLATES
 from posthog.cdp.templates.hog_function_template import HogFunctionTemplate, HogFunctionSubTemplate
-from posthog.models.hog_functions.hog_function import HogFunction
-from posthog.permissions import PostHogFeatureFlagPermission
 from rest_framework_dataclasses.serializers import DataclassSerializer
 
 
@@ -28,19 +25,14 @@ class Meta:
         dataclass = HogFunctionTemplate
 
 
-class HogFunctionTemplateViewSet(TeamAndOrgViewSetMixin, viewsets.GenericViewSet):
-    scope_object = "INTERNAL"  # Keep internal until we are happy to release this GA
-    queryset = HogFunction.objects.none()
+# NOTE: There is nothing currently private about these values
+class PublicHogFunctionTemplateViewSet(viewsets.GenericViewSet):
     filter_backends = [DjangoFilterBackend]
     filterset_fields = ["id", "team", "created_by", "enabled"]
-
-    permission_classes = [PostHogFeatureFlagPermission]
-    posthog_feature_flag = {"hog-functions": ["create", "partial_update", "update"]}
-
+    permission_classes = [permissions.AllowAny]
     serializer_class = HogFunctionTemplateSerializer
 
     def _get_templates(self):
-        # TODO: Filtering for status?
         data = HOG_FUNCTION_TEMPLATES
         return data
 

posthog/urls.py

@@ -28,6 +28,7 @@
     authentication,
     capture,
     decide,
+    hog_function_template,
     router,
     sharing,
     signup,
@@ -228,6 +229,10 @@ def opt_slash_path(route: str, view: Callable, name: Optional[str] = None) -> UR
     path("year_in_posthog/2022/<str:user_uuid>/", year_in_posthog.render_2022),
     path("year_in_posthog/2023/<str:user_uuid>", year_in_posthog.render_2023),
     path("year_in_posthog/2023/<str:user_uuid>/", year_in_posthog.render_2023),
+    opt_slash_path(
+        "api/public_hog_function_templates",
+        hog_function_template.PublicHogFunctionTemplateViewSet.as_view({"get": "list"}),
+    ),
 ]
 
 if settings.DEBUG: