FEATURE: remove "liking" on OP for topics with voting

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

@@ -3,6 +3,13 @@ import Category from 'discourse/models/category';
 import { withPluginApi } from 'discourse/lib/plugin-api';
 
 function initialize(api) {
+
+  api.addPostClassesCallback((post) => {
+    if (post.post_number === 1 && post.can_vote) {
+      return ["voting-post"];
+    }
+  });
+  api.includePostAttributes('can_vote');
   api.addTagsHtmlCallback((topic) => {
     if (!topic.can_vote) { return; }
 
@@ -33,7 +40,7 @@ export default {
   before: 'inject-discourse-objects',
   initialize(container) {
 
-    withPluginApi('0.8.3', api => {
+    withPluginApi('0.8.4', api => {
       initialize(api, container);
     });
 

assets/stylesheets/feature-voting.scss

@@ -122,3 +122,7 @@
 .upgrade-answer i{
     margin: 0px 5px 0px 0px;
 }
+
+.topic-post.voting-post {
+  button.like-count, button.toggle-like { display: none; }
+}

plugin.rb

@@ -15,6 +15,19 @@ Discourse.anonymous_filters.push(:votes)
 
 after_initialize do
 
+  require_dependency 'post_serializer'
+  class ::PostSerializer
+    attributes :can_vote
+
+    def include_can_vote?
+      object.post_number == 1 && object.topic && object.topic.can_vote?
+    end
+
+    def can_vote
+      true
+    end
+  end
+
   require_dependency 'topic_view_serializer'
   class ::TopicViewSerializer
     attributes :can_vote, :vote_count, :user_voted