FIX: move topic links and quoted posts extraction to the PostRevisor

app/controllers/posts_controller.rb

@@ -149,10 +149,7 @@ class PostsController < ApplicationController
     end
 
     revisor = PostRevisor.new(post)
-    if revisor.revise!(current_user, changes, opts)
-      TopicLink.extract_from(post)
-      QuotedPost.extract_from(post)
-    end
+    revisor.revise!(current_user, changes, opts)
 
     return render_json_error(post) if post.errors.present?
     return render_json_error(post.topic) if post.topic.errors.present?

lib/post_revisor.rb

@@ -136,6 +136,9 @@ class PostRevisor
     publish_changes
     grant_badge
 
+    TopicLink.extract_from(@post)
+    QuotedPost.extract_from(@post)
+
     successfully_saved_post_and_topic
   end