fix broken unauthenticated page

app/controllers/products_controller.rb

@@ -44,6 +44,8 @@ module DiscoursePatrons
     end
 
     def current_user_products
+      return [] if current_user.nil?
+
       ::DiscoursePatrons::Customer
         .select(:product_id)
         .where(user_id: current_user.id)

plugin.rb

@@ -2,7 +2,7 @@
 
 # name: discourse-subscriptions
 # about: Integrates Stripe into Discourse to allow visitors to subscribe
-# version: 2.5.0
+# version: 2.5.1
 # url: https://github.com/rimian/discourse-subscriptions
 # authors: Rimian Perkins
 
@@ -44,7 +44,7 @@ after_initialize do
 
   ::Stripe.set_app_info(
     'Discourse Subscriptions',
-    version: '2.5.0',
+    version: '2.5.1',
     url: 'https://github.com/rimian/discourse-subscriptions'
   )
 

spec/requests/products_controller_spec.rb

@@ -4,9 +4,7 @@ require 'rails_helper'
 
 module DiscoursePatrons
   RSpec.describe ProductsController do
-    context "authenticated" do
+    describe "products" do
-      let(:user) { Fabricate(:user) }
-
       let(:product) do
         {
           id: "prodct_23456",
@@ -18,6 +16,24 @@ module DiscoursePatrons
         }
       end
 
+      context "unauthenticated" do
+        it "gets products" do
+          ::Stripe::Product.expects(:list).with(active: true).returns(data: [product])
+
+          get "/s/products.json"
+
+          expect(JSON.parse(response.body)).to eq([{
+            "id" => "prodct_23456",
+            "name" => "Very Special Product",
+            "description" => "Many people listened to my phone call with the Ukrainian President while it was being made",
+            "subscribed" => false
+          }])
+        end
+      end
+
+      context "authenticated" do
+        let(:user) { Fabricate(:user) }
+
         before do
           sign_in(user)
         end
@@ -70,4 +86,5 @@ module DiscoursePatrons
         end
       end
     end
+  end
 end