show related tags for fav metatag

app/presenters/post_set_presenters/post.rb

@@ -47,7 +47,10 @@ module PostSetPresenters
       tag = Tag.find_by_name(post_set.tag_string)
 
       if tag
-        return tag.related_tag_array.map(&:first)
+        tag.related_tag_array.map(&:first)
+      else
+        tag = Tag.find_or_create_by_name(post_set.tag_string)
+        tag.related_tag_array.map(&:first)
       end
     end
     

app/presenters/tag_set_presenter.rb

@@ -7,6 +7,7 @@
 class TagSetPresenter < Presenter
   def initialize(tags)
     @tags = tags
+    puts @tags.inspect
   end
   
   def tag_list_html(template, options = {})

config/danbooru_default_config.rb

@@ -191,8 +191,8 @@ module Danbooru
       @canonical_tag_category_mapping ||= {
         "General" => 0,
         "Artist" => 1,
-        "Copyright" => 2,
-        "Character" => 3
+        "Copyright" => 3,
+        "Character" => 4
       }
     end