fixes #813

app/assets/javascripts/related_tag.js

@@ -105,13 +105,9 @@
     var $dest = $("#related-tags");
     $dest.empty();
 
-    if (Danbooru.Cookie.get("recent_tags")) {
-      $dest.append(Danbooru.RelatedTag.build_html("recent", Danbooru.RelatedTag.recent_tags()));
-    }
-    if (Danbooru.RelatedTag.favorite_tags().length) {
-      $dest.append(Danbooru.RelatedTag.build_html("frequent", Danbooru.RelatedTag.favorite_tags()));
-    }
-    $dest.append(Danbooru.RelatedTag.build_html(query, related_tags));
+    $dest.append(this.build_html("recent", this.other_tags(Danbooru.Cookie.get("recent_tags"))));
+    $dest.append(this.build_html("frequent", this.other_tags(Danbooru.meta("favorite-tags"))));
+    $dest.append(this.build_html(query, related_tags));
     if (wiki_page_tags.length) {
       $dest.append(Danbooru.RelatedTag.build_html("wiki:" + query, wiki_page_tags));
     }
@@ -138,22 +134,11 @@
     }
   }
 
-  Danbooru.RelatedTag.favorite_tags = function() {
-    var string = Danbooru.meta("favorite-tags");
-    if (string) {
-      return $.map(string.match(/\S+/g), function(x, i) {
-        return [[x, 0]];
-      });
-    } else {
-      return [];
-    }
-  }
-
-  Danbooru.RelatedTag.recent_tags = function() {
-    var string = Danbooru.Cookie.get("recent_tags");
+  Danbooru.RelatedTag.other_tags = function(string) {
     if (string && string.length) {
-      return $.map(string.match(/\S+/g), function(x, i) {
-        return [[x, 0]];
+      return $.map(string.match(/\S+ \d+/g), function(x, i) {
+        var submatch = x.match(/(\S+) (\d+)/);
+        return [[submatch[1], submatch[2]]];
       });
     } else {
       return [];

app/controllers/posts_controller.rb

@@ -93,7 +93,7 @@ private
     if @post
       tags = Tag.scan_tags(@post.tag_string)
       tags = TagAlias.to_aliased(tags) + Tag.scan_tags(cookies[:recent_tags])
-      cookies[:recent_tags] = tags.uniq.slice(0, 40).join(" ")
+      cookies[:recent_tags] = Tag.categories_for(tags.uniq.slice(0, 30)).to_a.flatten.join(" ")
     end
   end
 end

app/controllers/uploads_controller.rb

@@ -54,7 +54,7 @@ protected
     if @upload
       tags = Tag.scan_tags(@upload.tag_string)
       tags = TagAlias.to_aliased(tags) + Tag.scan_tags(cookies[:recent_tags])
-      cookies[:recent_tags] = tags.uniq.slice(0, 40).join(" ")
+      cookies[:recent_tags] = Tag.categories_for(tags.uniq.slice(0, 30).join(" ")).to_a.flatten.join(" ")
     end
   end
 end

app/controllers/users_controller.rb

@@ -51,6 +51,7 @@ class UsersController < ApplicationController
     check_privilege(@user)
     sanitize_params!
     @user.update_attributes(params[:user], :as => CurrentUser.role)
+    cookies.delete(:favorite_tags)
     respond_with(@user)
   end
 

app/logical/session_loader.rb

@@ -25,6 +25,7 @@ class SessionLoader
 
     update_last_logged_in_at
     set_time_zone
+    store_favorite_tags_in_cookies
     set_statement_timeout
   end
 
@@ -81,6 +82,12 @@ private
     cookies[:password_hash] && cookies.signed[:user_name] && User.authenticate_cookie_hash(cookies.signed[:user_name], cookies[:password_hash])
   end
 
+  def store_favorite_tags_in_cookies
+    if cookies[:favorite_tags].blank? && CurrentUser.user.favorite_tags.present?
+      cookies[:favorite_tags] = Tag.categories_for(CurrentUser.user.favorite_tags.scan(/\S+/)).to_a.flatten.join(" ")
+    end
+  end
+
   def update_last_logged_in_at
     return if CurrentUser.is_anonymous?
     return if CurrentUser.last_logged_in_at && CurrentUser.last_logged_in_at > 1.week.ago

app/views/posts/show.html.erb

@@ -107,7 +107,7 @@
   <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 name="favorite-tags" content="<%= cookies[: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

@@ -90,7 +90,7 @@
 <% end %>
 
 <% content_for(:html_header) do %>
-  <meta name="favorite-tags" content="<%= CurrentUser.user.favorite_tags %>">
+  <meta name="favorite-tags" content="<%= cookies[:favorite_tags] %>">
 <% end %>
 
 <%= render "posts/partials/common/secondary_links" %>