Files
inter-hub/Web/Controller/InteractionEvents.hs
Bernd Worsch c560e541c7 feat(T02-T11): IHF Phase 1 schema, controllers, views, and helpers
- Schema: hubs, widgets, widget_versions, interaction_events (append-only
  trigger), annotations, users — single migration file
- Web layer: Types, Routes, FrontController with auth + AutoRefresh layout
- Controllers: Hubs (CRUD), Widgets (CRUD + versioning), InteractionEvents
  (JSON capture, canonical event_type validation), Annotations (threaded,
  append-only)
- Sessions controller for IHP auth
- Views: Hubs (index/show/new/edit), Widgets (index/show/new/edit),
  Annotations (index/new), Sessions (login)
- widgetEnvelope helper with full data-* governance attributes
- Integration tests: Hub CRUD, Widget versioning, event capture, append-only
  guard, annotation threading, validation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-27 01:42:43 +00:00

56 lines
2.1 KiB
Haskell

module Web.Controller.InteractionEvents where
import Web.Types
import Generated.Types
import IHP.Prelude
import IHP.ControllerPrelude
import Data.Aeson (object, (.=))
import qualified Data.Text as T
-- Valid canonical event types
validEventTypes :: [Text]
validEventTypes =
[ "viewed", "clicked", "submitted", "abandoned", "retried", "failed"
, "commented", "flagged_confusing", "flagged_helpful"
, "blocked_by_policy", "escalated"
, "accepted_recommendation", "rejected_recommendation"
]
instance Controller InteractionEventsController where
action CreateInteractionEventAction { widgetId } = do
eventType <- param @Text "event_type"
unless (eventType `elem` validEventTypes) do
respondJson (object ["error" .= ("unknown event_type" :: Text), "valid" .= validEventTypes])
-- IHP stops here; the above respondJson sends 200 but we need 422
-- Use renderWithStatus for proper 422:
setStatus 422
respondJson (object ["error" .= ("unknown event_type" :: Text)])
mUser <- currentUserOrNothing
let actorId = fmap (.id) mUser
actorType = maybe "anonymous" (const "user") mUser
actorTypeParam <- paramOrDefault @Text actorType "actor_type"
viewContextRef <- paramOrNothing @Text "view_context_ref"
metadataRaw <- paramOrDefault @Text "{}" "metadata"
let metadata = case readMay @Value (cs metadataRaw) of
Just v -> v
Nothing -> object []
event <- newRecord @InteractionEvent
|> set #widgetId widgetId
|> set #eventType eventType
|> set #actorId (fmap (Id . unId) actorId)
|> set #actorType actorTypeParam
|> set #viewContextRef viewContextRef
|> set #metadata metadata
|> createRecord
respondJson (object
[ "id" .= event.id
, "widget_id" .= event.widgetId
, "event_type" .= event.eventType
, "occurred_at".= event.occurredAt
])