add favorite tags to reltag js

app/assets/javascripts/related_tag.js

@@ -88,12 +88,19 @@
     var $dest = $("#related-tags");
     $dest.empty();
     
+    if (Danbooru.RelatedTag.favorite_tags().length) {
+      $dest.append(Danbooru.RelatedTag.build_html("favorite", Danbooru.RelatedTag.favorite_tags()));
+    }
     $dest.append(Danbooru.RelatedTag.build_html(query, related_tags));
-    if (wiki_page_tags.length > 0) {
+    if (wiki_page_tags.length) {
       $dest.append(Danbooru.RelatedTag.build_html("wiki:" + query, wiki_page_tags));
     }
   }
   
+  Danbooru.RelatedTag.favorite_tags = function() {
+    return Danbooru.meta("favorite-tags").match(/\S+/g);
+  }
+  
   Danbooru.RelatedTag.build_html = function(query, related_tags) {
     if (query === null || query === "") {
       return "";

app/logical/anonymous_user.rb

@@ -60,6 +60,10 @@ class AnonymousUser
     []
   end
   
+  def favorite_tags
+    nil
+  end
+  
   def upload_limit
     0
   end

app/views/posts/show.html.erb

@@ -99,6 +99,7 @@
   <meta name="post-is-flagged" content="<%= @post.is_flagged? %>">
   <meta name="config-large-width" content="<%= Danbooru.config.large_image_width %>">
   <meta name="always-resize-images" content="<%= CurrentUser.user.always_resize_images? %>">
+  <meta name="favorite-tags" content="<%= CurrentUser.user.favorite_tags %>">
   <meta property="og:title" content="<%= h @post.presenter.humanized_essential_tag_string %> - <%= Danbooru.config.app_name %>">
   <meta property="og:description" content="<%= h @post.presenter.humanized_tag_string %>">
   <meta property="og:image" content="<%= @post.preview_file_url %>">

app/views/uploads/new.html.erb

@@ -72,4 +72,8 @@
   Upload - <%= Danbooru.config.app_name %>
 <% end %>
 
+<% content_for(:html_header) do %>
+  <meta name="favorite-tags" content="<%= CurrentUser.user.favorite_tags %>">
+<% end %>
+
 <%= render "posts/partials/common/secondary_links" %>