rails nested url for reps resource, controller, view

app/controllers/reps_controller.rb

@@ -0,0 +1,18 @@
+class RepsController < ApplicationController
+  respond_to :json
+
+  def index
+    # sleep 5
+    # @reps = Rep.all
+    sett = Sett.find(params[:sett_id])
+    @reps = sett.reps
+    @exercises = Exercise.all
+  end
+
+  private
+
+    def rep_params
+      params.require(:rep).permit(:sett_id, :position)
+    end
+
+end

app/views/reps/_base.json.rabl

@@ -0,0 +1,5 @@
+attributes :id, :sett_id, :exercise_id, :resistance, :position
+
+node(:exercise_name)do |rep|
+  @exercises.find(rep.exercise_id).name
+end

app/views/reps/index.json.rabl

@@ -0,0 +1,3 @@
+collection @reps
+
+extends "reps/_base"

config/routes.rb

@@ -10,7 +10,10 @@
     resources :setts
   end
 
-  resources :setts
+  resources :setts do
+    resources :reps
+  end
+
   resources :leads, :only => [:index]
 
   root to: "application#index"