FIX: Render votes RSS feed (#180)

lib/discourse_topic_voting/list_controller_extension.rb

@@ -4,8 +4,8 @@ module DiscourseTopicVoting
   module ListControllerExtension
     def self.prepended(base)
       base.class_eval do
-        before_action :ensure_discourse_topic_voting, only: %i[voted_by]
-        skip_before_action :ensure_logged_in, only: %i[voted_by]
+        before_action :ensure_discourse_topic_voting, only: %i[voted_by votes_feed]
+        skip_before_action :ensure_logged_in, only: %i[voted_by votes_feed]
       end
     end
 
@@ -18,6 +18,15 @@ def voted_by
       respond_with_list(list)
     end
 
+    def votes_feed
+      category_slug_path_with_id = params.require(:category_slug_path_with_id)
+
+      @category = Category.find_by_slug_path_with_id(category_slug_path_with_id)
+      @topic_list = TopicQuery.new(current_user, { category: @category.id }).list_votes
+
+      render "list", formats: [:rss]
+    end
+
     protected
 
     def ensure_discourse_topic_voting

plugin.rb

@@ -223,6 +223,10 @@ class Engine < ::Rails::Engine
     get "who" => "votes#who"
   end
 
+  Discourse::Application.routes.prepend do
+    get "c/*category_slug_path_with_id/l/votes.rss" => "list#votes_feed", :format => :rss
+  end
+
   Discourse::Application.routes.append do
     mount ::DiscourseTopicVoting::Engine, at: "/voting"
 

spec/requests/lists_controller_spec.rb

@@ -25,4 +25,32 @@
 
     expect(response.status).to eq(404)
   end
+
+  context "in a category" do
+    fab!(:category1) { Fabricate(:category) }
+    fab!(:category2) { Fabricate(:category) }
+    fab!(:topic1) do
+      Fabricate(:topic, category: category1, title: "Topic in votes-enabled category 1")
+    end
+    fab!(:topic2) do
+      Fabricate(:topic, category: category2, title: "Topic in votes-enabled category 2")
+    end
+
+    before do
+      DiscourseTopicVoting::CategorySetting.create!(category: category1)
+      DiscourseTopicVoting::CategorySetting.create!(category: category2)
+    end
+
+    it "allows anons to view votes RSS feed" do
+      DiscourseTopicVoting::Vote.create!(user: user, topic: topic1)
+      DiscourseTopicVoting::Vote.create!(user: user, topic: topic2)
+
+      get "/c/#{category2.slug}/#{category2.id}/l/votes.rss"
+
+      expect(response.status).to eq(200)
+      expect(response.body).to include(topic2.title)
+      # ensure we don't include votes from other categories
+      expect(response.body).not_to include(topic1.title)
+    end
+  end
 end