move subscription back-end call

app/controllers/custom_wizard/admin/subscription.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+class CustomWizard::SubscriptionController < ::Admin::AdminController
+  before_action :ensure_admin
+
+  def index
+    subcription = CustomWizard::Subscription.new
+    render_json_dump(
+      subscribed: subcription.subscribed?,
+      subscription_type: subcription.type,
+      subscription_attributes: CustomWizard::Subscription.attributes,
+    )
+  end
+end

assets/javascripts/discourse/services/subscription.js

@@ -27,7 +27,7 @@ export default class SubscriptionService extends Service {
     }
 
     retrieveSubscriptionStatus() {
-      ajax("/admin/wizards").then(result => {
+      ajax("/admin/subscription").then(result => {
         console.log(result)
         this.subscribed = result.subscribed;
         this.subscriptionType = result.subscription_type;

config/routes.rb

@@ -14,6 +14,7 @@ Discourse::Application.routes.append do
 
   scope module: 'custom_wizard', constraints: AdminConstraint.new do
     get 'admin/wizards' => 'admin#index'
+    get 'admin/subscription' => 'subscription#index'
 
     get 'admin/wizards/wizard' => 'admin_wizard#index'
     get 'admin/wizards/wizard/create' => 'admin#index'