From 6838901aacdc577d3b782d7337e2abc45cc837fa Mon Sep 17 00:00:00 2001
From: BrokenEagle <BrokenEagle98@gmail.com>
Date: Tue, 7 Nov 2017 16:10:33 -0800
Subject: [PATCH] Moved non-config tag category info to its own class

---
 app/logical/post_query_builder.rb            | 10 +--
 app/logical/tag_category.rb                  | 78 ++++++++++++++++++++
 app/models/post.rb                           | 27 ++++---
 app/models/tag.rb                            | 18 ++---
 app/presenters/post_presenter.rb             |  2 +-
 app/presenters/tag_set_presenter.rb          |  6 +-
 app/views/layouts/default.html.erb           |  4 +-
 app/views/posts/partials/show/_edit.html.erb |  4 +-
 app/views/posts/show.html.erb                |  2 +-
 app/views/related_tags/show.html.erb         |  2 +-
 app/views/tag_aliases/index.html.erb         |  2 +-
 app/views/tag_implications/index.html.erb    |  2 +-
 app/views/tags/_search.html.erb              |  2 +-
 app/views/tags/edit.html.erb                 |  2 +-
 app/views/uploads/new.html.erb               |  6 +-
 config/danbooru_default_config.rb            | 36 ++-------
 test/unit/tag_test.rb                        |  2 +-
 17 files changed, 128 insertions(+), 77 deletions(-)
 create mode 100644 app/logical/tag_category.rb

diff --git a/app/logical/post_query_builder.rb b/app/logical/post_query_builder.rb
index 1da5f439b..52518351a 100644
--- a/app/logical/post_query_builder.rb
+++ b/app/logical/post_query_builder.rb
@@ -118,7 +118,7 @@ class PostQueryBuilder
     relation = add_range_relation(q[:filesize], "posts.file_size", relation)
     relation = add_range_relation(q[:date], "posts.created_at", relation)
     relation = add_range_relation(q[:age], "posts.created_at", relation)
-    Danbooru.config.full_tag_config_info.each_key do |category|
+    TagCategory.categories.each do |category|
       relation = add_range_relation(q["#{category}_tag_count".to_sym], "posts.tag_count_#{category}", relation)
     end
     relation = add_range_relation(q[:post_tag_count], "posts.tag_count", relation)
@@ -511,11 +511,11 @@ class PostQueryBuilder
     when "tagcount_asc"
       relation = relation.order("posts.tag_count ASC")
 
-    when /(#{Danbooru.config.short_tag_name_mapping.keys.join("|")})tags(?:\Z|_desc)/
-      relation = relation.order("posts.tag_count_#{Danbooru.config.short_tag_name_mapping[$1]} DESC")
+    when /(#{TagCategory.short_name_regex})tags(?:\Z|_desc)/
+      relation = relation.order("posts.tag_count_#{TagCategory.short_name_mapping[$1]} DESC")
 
-    when /(#{Danbooru.config.short_tag_name_mapping.keys.join("|")})tags_asc/
-      relation = relation.order("posts.tag_count_#{Danbooru.config.short_tag_name_mapping[$1]} ASC")
+    when /(#{TagCategory.short_name_regex})tags_asc/
+      relation = relation.order("posts.tag_count_#{TagCategory.short_name_mapping[$1]} ASC")
 
     when "rank"
       relation = relation.order("log(3, posts.score) + (extract(epoch from posts.created_at) - extract(epoch from timestamp '2005-05-24')) / 35000 DESC")
diff --git a/app/logical/tag_category.rb b/app/logical/tag_category.rb
new file mode 100644
index 000000000..6495a05b4
--- /dev/null
+++ b/app/logical/tag_category.rb
@@ -0,0 +1,78 @@
+class TagCategory
+  module Mappings
+    # Returns a hash mapping various tag categories to a numerical value.
+    def mapping
+      @@mapping ||= Hash[
+          Danbooru.config.full_tag_config_info.map {|k,v|  v["extra"].map {|y| [y,v["category"]]}}
+          .reduce([],:+)]
+        .update(Hash[Danbooru.config.full_tag_config_info.map {|k,v|  [v["short"],v["category"]]}])
+        .update( Hash[Danbooru.config.full_tag_config_info.map {|k,v| [k,v["category"]]}])
+    end
+
+    # Returns a hash mapping more suited for views
+    def canonical_mapping
+      @@canonical_mapping ||= Hash[Danbooru.config.full_tag_config_info.map {|k,v| [k.capitalize,v["category"]]}]
+    end
+
+    # Returns a hash mapping numerical category values to their string equivalent.
+    def reverse_mapping
+      @@reverse_mapping ||= Hash[Danbooru.config.full_tag_config_info.map {|k,v| [v["category"],k]}]
+    end
+
+    # Returns a hash mapping for the short name usage in metatags
+    def short_name_mapping
+      @@short_name_mapping ||= Hash[Danbooru.config.full_tag_config_info.map {|k,v| [v["short"],k]}]
+    end
+
+    # Returns a hash mapping for humanized_essential_tag_string (models/post.rb)
+    def humanized_mapping
+      @@humanized_mapping ||= Hash[Danbooru.config.full_tag_config_info.map {|k,v| [k,v["humanized"]]}]
+    end
+
+    # Returns a hash mapping for humanized_essential_tag_string (models/post.rb)
+    def header_mapping
+      @@header_mapping ||= Hash[Danbooru.config.full_tag_config_info.map {|k,v| [k,v["header"]]}]
+    end
+
+    # Returns a hash mapping for related tag buttons (javascripts/related_tag.js)
+    def related_button_mapping
+      @@related_button_mapping ||= Hash[Danbooru.config.full_tag_config_info.map {|k,v| [k,v["relatedbutton"]]}]
+    end
+  end
+
+  module Lists
+    def categories
+      @@categories ||= Danbooru.config.full_tag_config_info.keys
+    end
+
+    def short_name_list
+      @@short_name_list ||= short_name_mapping.keys
+    end
+
+    def humanized_list
+      Danbooru.config.humanized_tag_category_list
+    end
+
+    def split_header_list
+      Danbooru.config.split_tag_header_list
+    end
+
+    def categorized_list
+      Danbooru.config.categorized_tag_list
+    end
+
+    def related_button_list
+      Danbooru.config.related_tag_button_list
+    end
+  end
+
+  module Regexes
+    def short_name_regex
+      @@short_name_regex ||= short_name_list.join("|")
+    end
+  end
+
+  extend Mappings
+  extend Lists
+  extend Regexes
+end
\ No newline at end of file
diff --git a/app/models/post.rb b/app/models/post.rb
index 3db67003e..2f052a8b1 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -626,11 +626,11 @@ class Post < ApplicationRecord
 
     def set_tag_counts
       self.tag_count = 0
-      Danbooru.config.full_tag_config_info.each_key {|x| set_tag_count(x,0)}
+      TagCategory.categories {|x| set_tag_count(x,0)}
       categories = Tag.categories_for(tag_array, :disable_caching => true)
       categories.each_value do |category|
         self.tag_count += 1
-        inc_tag_count(Danbooru.config.reverse_tag_category_mapping[category])
+        inc_tag_count(TagCategory.reverse_mapping[category])
       end
     end
 
@@ -913,7 +913,7 @@ class Post < ApplicationRecord
       @typed_tags ||= {}
       @typed_tags[name] ||= begin
         tag_array.select do |tag|
-          tag_categories[tag] == Danbooru.config.tag_category_mapping[name]
+          tag_categories[tag] == TagCategory.mapping[name]
         end
       end
     end
@@ -926,20 +926,19 @@ class Post < ApplicationRecord
       @humanized_essential_tag_string ||= Cache.get("hets-#{id}", 1.hour.to_i) do
         string = []
 
-        Danbooru.config.humanized_tag_category_list.each do |category|
-          humanizeddata = Danbooru.config.full_tag_config_info[category]["humanized"]
-          typetags = typed_tags(category) - humanizeddata["exclusion"]
-          if humanizeddata["slice"] > 0
-            typetags = typetags.slice(0,humanizeddata["slice"]) + (typetags.length > humanizeddata["slice"] ? ["others"] : [])
+        TagCategory.humanized_list.each do |category|
+          typetags = typed_tags(category) - TagCategory.humanized_mapping[category]["exclusion"]
+          if TagCategory.humanized_mapping[category]["slice"] > 0
+            typetags = typetags.slice(0,TagCategory.humanized_mapping[category]["slice"]) + (typetags.length > TagCategory.humanized_mapping[category]["slice"] ? ["others"] : [])
           end
-          if humanizeddata["regexmap"] != //
+          if TagCategory.humanized_mapping[category]["regexmap"] != //
             typetags = typetags.map do |tag|
-              tag.match(humanizeddata["regexmap"])[1]
+              tag.match(TagCategory.humanized_mapping[category]["regexmap"])[1]
             end
           end
           if typetags.any?
             if category != "copyright" || typed_tags("character").any?
-              string << humanizeddata["formatstr"] % typetags.to_sentence
+              string << TagCategory.humanized_mapping[category]["formatstr"] % typetags.to_sentence
             else
               string << typetags.to_sentence
             end
@@ -949,7 +948,7 @@ class Post < ApplicationRecord
       end
     end
 
-    Danbooru.config.full_tag_config_info.each_key do |category|
+    TagCategory.categories.each do |category|
       define_method("tag_string_#{category}") do
         typed_tags(category).join(" ")
       end
@@ -1140,7 +1139,7 @@ class Post < ApplicationRecord
   module CountMethods
     def fix_post_counts(post)
       post.set_tag_counts
-      args = Hash[Danbooru.config.full_tag_config_info.keys.map {|x| ["tag_count_#{x}",post.send("tag_count_#{x}")]}].update(:tag_count => post.tag_count)
+      args = Hash[TagCategory.categories.map {|x| ["tag_count_#{x}",post.send("tag_count_#{x}")]}].update(:tag_count => post.tag_count)
       post.update_columns(args)
     end
 
@@ -1523,7 +1522,7 @@ class Post < ApplicationRecord
     end
 
     def method_attributes
-      list = super + [:uploader_name, :has_large, :has_visible_children, :children_ids] + Danbooru.config.full_tag_config_info.keys.map {|x| "tag_string_#{x}".to_sym}
+      list = super + [:uploader_name, :has_large, :has_visible_children, :children_ids] + TagCategory.categories.map {|x| "tag_string_#{x}".to_sym}
       if visible?
         list += [:file_url, :large_file_url, :preview_file_url]
       end
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 407411e25..9045295cb 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -1,7 +1,7 @@
 class Tag < ApplicationRecord
   COSINE_SIMILARITY_RELATED_TAG_THRESHOLD = 1000
   METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|parent|-parent|child|pixiv_id|pixiv|search|upvote|downvote|filetype|-filetype|flagger|-flagger|appealer|-appealer|" +
-    Danbooru.config.short_tag_name_mapping.keys.map {|x| "#{x}tags"}.join("|")
+    TagCategory.short_name_list.map {|x| "#{x}tags"}.join("|")
   SUBQUERY_METATAGS = "commenter|comm|noter|noteupdater|artcomm|flagger|-flagger|appealer|-appealer"
   attr_accessible :category, :as => [:moderator, :gold, :platinum, :member, :anonymous, :default, :builder, :admin]
   attr_accessible :is_locked, :as => [:moderator, :admin]
@@ -27,18 +27,18 @@ class Tag < ApplicationRecord
   end
 
   class CategoryMapping
-    Danbooru.config.reverse_tag_category_mapping.each do |value, category|
+    TagCategory.reverse_mapping.each do |value, category|
       define_method(category) do
         value
       end
     end
 
     def regexp
-      @regexp ||= Regexp.compile(Danbooru.config.tag_category_mapping.keys.sort_by {|x| -x.size}.join("|"))
+      @regexp ||= Regexp.compile(TagCategory.mapping.keys.sort_by {|x| -x.size}.join("|"))
     end
 
     def value_for(string)
-      Danbooru.config.tag_category_mapping[string.to_s.downcase] || 0
+      TagCategory.mapping[string.to_s.downcase] || 0
     end
   end
 
@@ -125,7 +125,7 @@ class Tag < ApplicationRecord
     end
 
     def category_name
-      Danbooru.config.reverse_tag_category_mapping[category].capitalize
+      TagCategory.reverse_mapping[category].capitalize
     end
 
     def update_category_cache_for_all
@@ -141,7 +141,7 @@ class Tag < ApplicationRecord
         Post.raw_tag_match(name).where("true /* Tag#update_category_post_counts */").find_each do |post|
           post.reload
           post.set_tag_counts
-          args = Hash[Danbooru.config.full_tag_config_info.keys.map {|x| ["tag_count_#{x}",post.send("tag_count_#{x}")]}].update(:tag_count => post.tag_count)
+          args = Hash[TagCategory.categories {|x| ["tag_count_#{x}",post.send("tag_count_#{x}")]}].update(:tag_count => post.tag_count)
           Post.where(:id => post.id).update_all(args)
         end
       end
@@ -177,7 +177,7 @@ class Tag < ApplicationRecord
           counts = counts.to_a.select {|x| x[1] > trending_count_limit}
           counts = counts.map do |tag_name, recent_count|
             tag = Tag.find_or_create_by_name(tag_name)
-            if tag.category == Danbooru.config.tag_category_mapping["artist"]
+            if tag.category == Tag.categories.artist
               # we're not interested in artists in the trending list
               [tag_name, 0]
             else
@@ -666,8 +666,8 @@ class Tag < ApplicationRecord
           when "tagcount"
             q[:post_tag_count] = parse_helper(g2)
 
-          when /(#{Danbooru.config.short_tag_name_mapping.keys.join("|")})tags/
-            q["#{Danbooru.config.short_tag_name_mapping[$1]}_tag_count".to_sym] = parse_helper(g2)
+          when /(#{TagCategory.short_name_regex})tags/
+            q["#{TagCategory.short_name_mapping[$1]}_tag_count".to_sym] = parse_helper(g2)
 
           when "parent"
             q[:parent] = g2.downcase
diff --git a/app/presenters/post_presenter.rb b/app/presenters/post_presenter.rb
index ca41d4d61..d9ca80ac1 100644
--- a/app/presenters/post_presenter.rb
+++ b/app/presenters/post_presenter.rb
@@ -132,7 +132,7 @@ class PostPresenter < Presenter
   def categorized_tag_groups
     string = []
 
-    Danbooru.config.categorized_tag_list.each do |category|
+    TagCategory.categorized_list.each do |category|
       if @post.typed_tags(category).any?
         string << @post.typed_tags(category).join(" ")
       end
diff --git a/app/presenters/tag_set_presenter.rb b/app/presenters/tag_set_presenter.rb
index 6e3b07cfb..1751d8935 100644
--- a/app/presenters/tag_set_presenter.rb
+++ b/app/presenters/tag_set_presenter.rb
@@ -25,10 +25,10 @@ class TagSetPresenter < Presenter
   def split_tag_list_html(template, options = {})
     html = ""
 
-    Danbooru.config.split_tag_header_list.each do |category|
+    TagCategory.split_header_list.each do |category|
       typetags = typed_tags(category)
       if typetags.any?
-        html << Danbooru.config.full_tag_config_info[category]["header"]
+        html << TagCategory.header_mapping[category]
         html << "<ul>"
         typetags.each do |tag|
           html << build_list_item(tag, template, options)
@@ -56,7 +56,7 @@ private
     @typed_tags ||= {}
     @typed_tags[name] ||= begin
       @tags.select do |tag|
-        categories[tag] == Danbooru.config.tag_category_mapping[name]
+        categories[tag] == TagCategory.mapping[name]
       end
     end
   end
diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index 499eb270a..968be757e 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -8,8 +8,8 @@
   <% unless cookies[:dm] %>
     <meta name="viewport" content="width=device-width,initial-scale=1">
   <% end %>
-  <meta name="tag-category-names" content="<%= Danbooru.config.tag_category_mapping.keys %>">
-  <meta name="short-tag-category-names" content="<%= Danbooru.config.short_tag_name_mapping.keys %>">
+  <meta name="tag-category-names" content="<%= TagCategory.categories %>">
+  <meta name="short-tag-category-names" content="<%= TagCategory.short_name_list %>">
   <meta name="current-user-name" content="<%= CurrentUser.name %>">
   <meta name="current-user-id" content="<%= CurrentUser.id %>">
   <meta name="current-user-can-approve-posts" content="<%= CurrentUser.can_approve_posts? %>">
diff --git a/app/views/posts/partials/show/_edit.html.erb b/app/views/posts/partials/show/_edit.html.erb
index 17c223d75..08db57ab6 100644
--- a/app/views/posts/partials/show/_edit.html.erb
+++ b/app/views/posts/partials/show/_edit.html.erb
@@ -78,8 +78,8 @@
 
     <%= button_tag "Related tags", :id => "related-tags-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub gradient" %>
 
-    <% Danbooru.config.related_tag_button_list.each do |category| %>
-      <%= button_tag "#{Danbooru.config.full_tag_config_info[category]["relatedtag"]}", :id => "related-#{category}-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub gradient" %>
+    <% TagCategory.related_button_list.each do |category| %>
+      <%= button_tag "#{TagCategory.related_button_mapping[category]}", :id => "related-#{category}-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub gradient" %>
     <% end %>
   </div>
 
diff --git a/app/views/posts/show.html.erb b/app/views/posts/show.html.erb
index 2c5c3d0bb..358f7647c 100644
--- a/app/views/posts/show.html.erb
+++ b/app/views/posts/show.html.erb
@@ -153,7 +153,7 @@
 <% end %>
 
 <% content_for(:html_header) do %>
-  <meta name="related-tag-button-list" content="<%= Danbooru.config.related_tag_button_list %>">
+  <meta name="related-tag-button-list" content="<%= TagCategory.related_button_list %>">
   <meta name="description" content="<%= @post.presenter.humanized_tag_string %>">
   <meta name="tags" content="<%= @post.tag_string %>">
   <meta name="favorites" content="<%= @post.fav_string %>">
diff --git a/app/views/related_tags/show.html.erb b/app/views/related_tags/show.html.erb
index 07feb40af..f28adc71b 100644
--- a/app/views/related_tags/show.html.erb
+++ b/app/views/related_tags/show.html.erb
@@ -3,7 +3,7 @@
   <section>
     <%= form_tag(related_tag_path, :method => :get) do %>
       <%= text_field_tag "query", params[:query], :data => { :autocomplete => "tag" } %>
-      <%= select_tag "category", options_for_select([""] + Danbooru.config.canonical_tag_category_mapping.map{|x| [x.first, x.first.downcase]}, params[:category]) %>
+      <%= select_tag "category", options_for_select([""] + TagCategory.canonical_mapping.map{|x| [x.first, x.first.downcase]}, params[:category]) %>
       <%= submit_tag "Show"%>
     <% end %>
   </section>
diff --git a/app/views/tag_aliases/index.html.erb b/app/views/tag_aliases/index.html.erb
index 2f4b59f7c..d049118b5 100644
--- a/app/views/tag_aliases/index.html.erb
+++ b/app/views/tag_aliases/index.html.erb
@@ -3,7 +3,7 @@
     <%= simple_form_for(:search, method: :get, url: tag_aliases_path, defaults: { required: false }, html: { class: "inline-form" }) do |f| %>
       <%= f.input :name_matches, label: "Name", input_html: { value: params[:search][:name_matches], data: { autocomplete: "tag" } } %>
       <%= f.input :status, label: "Status", collection: ["", "Approved", "Pending"], selected: params[:search][:status] %>
-      <%= f.input :category, label: "Category", collection: Danbooru.config.canonical_tag_category_mapping.to_a, include_blank: true, selected: params[:search][:category] %>
+      <%= f.input :category, label: "Category", collection: TagCategory.canonical_mapping.to_a, include_blank: true, selected: params[:search][:category] %>
       <%= f.input :order, label: "Order", collection: [%w[Status status], %w[Recently\ created created_at], %w[Recently\ updated updated_at], %w[Name name], %w[Tag\ count tag_count]], selected: params[:search][:order] %>
       <%= f.submit "Search" %>
     <% end %>
diff --git a/app/views/tag_implications/index.html.erb b/app/views/tag_implications/index.html.erb
index fb983ea2e..d0d4ff32f 100644
--- a/app/views/tag_implications/index.html.erb
+++ b/app/views/tag_implications/index.html.erb
@@ -3,7 +3,7 @@
     <%= simple_form_for(:search, method: :get, url: tag_implications_path, defaults: { required: false }, html: { class: "inline-form" }) do |f| %>
       <%= f.input :name_matches, label: "Name", input_html: { value: params[:search][:name_matches], data: { autocomplete: "tag" } } %>
       <%= f.input :status, label: "Status", collection: ["", "Approved", "Pending"], selected: params[:search][:status] %>
-      <%= f.input :category, label: "Category", collection: Danbooru.config.canonical_tag_category_mapping.to_a, include_blank: true, selected: params[:search][:category] %>
+      <%= f.input :category, label: "Category", collection: TagCategory.canonical_mapping.to_a, include_blank: true, selected: params[:search][:category] %>
       <%= f.input :order, label: "Order", collection: [%w[Status status], %w[Recently\ created created_at], %w[Recently\ updated updated_at], %w[Name name], %w[Tag\ count tag_count]], selected: params[:search][:order] %>
       <%= f.submit "Search" %>
     <% end %>
diff --git a/app/views/tags/_search.html.erb b/app/views/tags/_search.html.erb
index e30e8208f..ff8100fec 100644
--- a/app/views/tags/_search.html.erb
+++ b/app/views/tags/_search.html.erb
@@ -1,6 +1,6 @@
 <%= simple_form_for(:search, url: tags_path, method: :get, defaults: { required: false }, html: { class: "inline-form" }) do |f| %>
   <%= f.input :name_matches, label: "Name", hint: "Use * for wildcard", input_html: { value: params[:search][:name_matches], data: { autocomplete: "tag" } } %>
-  <%= f.input :category, label: "Category", collection: Danbooru.config.canonical_tag_category_mapping.to_a, include_blank: true,selected: params[:search][:category] %>
+  <%= f.input :category, label: "Category", collection: TagCategory.canonical_mapping.to_a, include_blank: true,selected: params[:search][:category] %>
   <%= f.input :order, collection: [%w[Newest date], %w[Count count], %w[Name name]], include_blank: false, selected: params[:search][:order] %>
   <%= f.input :hide_empty, label: "Hide empty?", collection: %w[yes no], selected: params[:search][:hide_empty] %>
   <%= f.input :has_wiki, label: "Has wiki?", collection: %w[yes no], include_blank: true, selected: params[:search][:has_wiki] %>
diff --git a/app/views/tags/edit.html.erb b/app/views/tags/edit.html.erb
index 3116df1df..744f1c829 100644
--- a/app/views/tags/edit.html.erb
+++ b/app/views/tags/edit.html.erb
@@ -6,7 +6,7 @@
       <% if @tag.is_locked? %>
         <p>This tag is category locked</p>
       <% else %>
-        <%= f.input :category, :collection => Danbooru.config.canonical_tag_category_mapping.to_a, :include_blank => false %>
+        <%= f.input :category, :collection => TagCategory.canonical_mapping.to_a, :include_blank => false %>
       <% end %>
 
       <% if CurrentUser.is_moderator? %>
diff --git a/app/views/uploads/new.html.erb b/app/views/uploads/new.html.erb
index a40a5b82a..1ab2854f7 100644
--- a/app/views/uploads/new.html.erb
+++ b/app/views/uploads/new.html.erb
@@ -110,9 +110,9 @@
 
           <%= button_tag "Related tags", :id => "related-tags-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub gradient" %>
 
-          <% Danbooru.config.related_tag_button_list.each do |category| %>
-            <%= button_tag "#{Danbooru.config.full_tag_config_info[category]["relatedtag"]}", :id => "related-#{category}-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub gradient" %>
-          <% end %>
+        <% TagCategory.related_button_list.each do |category| %>
+          <%= button_tag "#{TagCategory.related_button_mapping[category]}", :id => "related-#{category}-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub gradient" %>
+        <% end %>
         </div>
 
         <div class="input">
diff --git a/config/danbooru_default_config.rb b/config/danbooru_default_config.rb
index f8cd969cb..9aeba9ec2 100644
--- a/config/danbooru_default_config.rb
+++ b/config/danbooru_default_config.rb
@@ -225,7 +225,7 @@ module Danbooru
           "extra" => [],
           "header" => "<h1>Tags</h1>",
           "humanized" => nil,
-          "relatedtag" => "General"
+          "relatedbutton" => "General"
         },
         "character" => {
           "category" => 4,
@@ -238,7 +238,7 @@ module Danbooru
             "regexmap" => /^(.+?)(?:_\(.+\))?$/,
             "formatstr" => "%s"
           },
-          "relatedtag" => "Characters"
+          "relatedbutton" => "Characters"
         },
         "copyright" => {
           "category" => 3,
@@ -251,7 +251,7 @@ module Danbooru
             "regexmap" => //,
             "formatstr" => "(%s)"
           },
-          "relatedtag" => "Copyrights"
+          "relatedbutton" => "Copyrights"
         },
         "artist" => {
           "category" => 1,
@@ -264,7 +264,7 @@ module Danbooru
             "regexmap" => //,
             "formatstr" => "drawn by %s"
           },
-          "relatedtag" => "Artists"
+          "relatedbutton" => "Artists"
         },
         "meta" => {
           "category" => 5,
@@ -272,37 +272,11 @@ module Danbooru
           "extra" => [],
           "header" => "<h2>Meta</h2>",
           "humanized" => nil,
-          "relatedtag" => nil
+          "relatedbutton" => nil
         }
       }
     end
 
-#TAG MAPPINGS
-
-    # Returns a hash mapping various tag categories to a numerical value.
-    def tag_category_mapping
-      @tag_category_mapping ||= Hash[
-          full_tag_config_info.map {|k,v|  v["extra"].map {|y| [y,v["category"]]}}
-          .reduce([],:+)]
-        .update(Hash[full_tag_config_info.map {|k,v|  [v["short"],v["category"]]}])
-        .update( Hash[full_tag_config_info.map {|k,v| [k,v["category"]]}])
-    end
-
-    # Returns a hash mapping more suited for views
-    def canonical_tag_category_mapping
-      @canonical_tag_category_mapping ||= Hash[full_tag_config_info.map {|k,v| [k.capitalize,v["category"]]}]
-    end
-
-    # Returns a hash mapping numerical category values to their string equivalent.
-    def reverse_tag_category_mapping
-      @reverse_tag_category_mapping ||= Hash[full_tag_config_info.map {|k,v| [v["category"],k]}]
-    end
-
-    # Returns a hash mapping for the short name usage in metatags
-    def short_tag_name_mapping
-      @short_tag_name_mapping ||= Hash[full_tag_config_info.map {|k,v| [v["short"],k] }]
-    end
-
 #TAG ORDERS
 
     #Sets the order of the humanized essential tag string (models/post.rb)
diff --git a/test/unit/tag_test.rb b/test/unit/tag_test.rb
index f2d16eb12..6e4a1f32b 100644
--- a/test/unit/tag_test.rb
+++ b/test/unit/tag_test.rb
@@ -218,7 +218,7 @@ class TagTest < ActiveSupport::TestCase
       should_not allow_value("café").for(:name).on(:create)
       should_not allow_value("東方").for(:name).on(:create)
 
-      metatags = Tag::METATAGS.split("|") + Tag::SUBQUERY_METATAGS.split("|") + Danbooru.config.tag_category_mapping.keys
+      metatags = Tag::METATAGS.split("|") + Tag::SUBQUERY_METATAGS.split("|") + TagCategory.mapping.keys
       metatags.split("|").each do |metatag|
         should_not allow_value("#{metatag}:foo").for(:name).on(:create)
       end