Display some stats

app/controllers/api/stats_controller.rb

@@ -0,0 +1,10 @@
+class Api::StatsController < Api::ApiController
+  def show
+    event_type = params[:event]
+    unless event_type.present?
+      return render json: {}, status: :bad_request
+    end
+
+    render json: Ahoy::Event.where(name: event_type).group_by_day(:time).count
+  end
+end