FEATURE: add votes tab for on "votable" categories

assets/javascripts/discourse/pre-initializers/extend-category-for-voting.js.es6

@@ -1,4 +1,4 @@
-import property from 'ember-addons/ember-computed-decorators';
+import computed from 'ember-addons/ember-computed-decorators';
 import Category from 'discourse/models/category';
 import { withPluginApi } from 'discourse/lib/plugin-api';
 
@@ -46,7 +46,12 @@ export default {
 
     Category.reopen({
 
-      @property('custom_fields.enable_topic_voting')
+      @computed("url")
+      votesUrl(url) {
+        return `${url}/l/votes`;
+      },
+
+      @computed('custom_fields.enable_topic_voting')
       enable_topic_voting: {
         get(enableField) {
           return enableField === "true";

assets/javascripts/discourse/templates/connectors/extra-nav-item/votes.hbs

@@ -0,0 +1 @@
+<a title="{{I18n "feature_voting.votes_nav_help"}}" href="{{category.votesUrl}}">{{I18n "feature_voting.vote_title_plural"}}</a>

assets/javascripts/discourse/templates/connectors/extra-nav-item/votes.js.es6

@@ -0,0 +1,16 @@
+export default {
+  votedPath(){
+    return "foobar";
+  },
+  setupComponent(args, component) {
+    const filterMode = args.filterMode;
+    // no endsWith in IE
+    if (filterMode && filterMode.indexOf("votes", filterMode.length - 5) !== -1) {
+      component.set("classNames", ["active"]);
+    }
+  },
+  shouldRender(args, component) {
+    const category = component.get("category");
+    return !!(category && category.get("can_vote"));
+  }
+};

config/locales/client.en.yml

@@ -1,6 +1,7 @@
 en:
   js:
     feature_voting:
+      votes_nav_help: "topics with the most votes"
       voted: "You voted on this topic"
       allow_topic_voting: "Allow users to vote on topics in this category"
       vote_title: "Vote"

plugin.rb

@@ -15,6 +15,20 @@ Discourse.anonymous_filters.push(:votes)
 
 after_initialize do
 
+  require_dependency 'basic_category_serializer'
+  class ::BasicCategorySerializer
+    attributes :can_vote
+
+    def include_can_vote?
+      Category.can_vote?(object.id)
+    end
+
+    def can_vote
+      true
+    end
+
+  end
+
   require_dependency 'post_serializer'
   class ::PostSerializer
     attributes :can_vote
@@ -71,6 +85,8 @@ after_initialize do
       @allowed_voting_cache = DistributedCache.new("allowed_voting")
 
       def self.can_vote?(category_id)
+        return false unless SiteSetting.feature_voting_enabled
+
         unless set = @allowed_voting_cache["allowed"]
           set = reset_voting_cache
         end
@@ -189,7 +205,10 @@ after_initialize do
     end
 
     def list_votes
-      create_list(:votes, {order: "votes"})
+      create_list(:votes, unordered: true) do |topics|
+        topics.joins("left join topic_custom_fields tfv ON tfv.topic_id = topics.id AND tfv.name = 'vote_count'")
+              .order("coalesce(tfv.value,'0')::integer desc, topics.bumped_at desc")
+      end
     end
   end