Limit data returned by halfnarp-friendly endpoint

app/controllers/api/events_controller.rb

@@ -9,6 +9,5 @@ class Api::EventsController < Api::ApplicationController
 
   def halfnarp_friendly
     @events = current_conference.events.joins(:proposition).includes(:track, :event_type).where.not(propositions: {status: :rejected})
-    render json: @events, include: [:track, :event_type]
   end
 end

app/views/api/events/halfnarp_friendly.jbuilder

@@ -0,0 +1,13 @@
+json.array! @events do |event|
+  json.id event.id
+  json.title event.title
+  json.abstract event.abstract
+  json.track_id event.track_id
+
+  json.track do
+    json.name = event.track.name
+  end
+  json.event_type do
+    json.name event.event_type.name
+  end
+end