related tags: fix AI tags not showing rating tags.

* Fix the suggested tags list in the related tags box not showing rating tags.
* Fix the suggested tags list showing tags that have been aliased to another tag.

app/logical/related_tag_query.rb

@@ -58,7 +58,11 @@ class RelatedTagQuery
 
   def ai_tags
     return AITag.none if media_asset.nil?
-    media_asset.ai_tags.joins(:tag).undeprecated.nonempty.in_order_of(:"tags.category", TagCategory.canonical_mapping.values).order("ai_tags.score DESC, tags.name ASC").take(limit)
+
+    tags = media_asset.ai_tags.includes(:tag, :aliased_tag)
+    tags = tags.reject(&:is_deprecated?).reject { |t| t.empty? && !t.metatag? }
+    tags = tags.sort_by { |t| [TagCategory.canonical_mapping.keys.index(t.category_name), -t.score, t.name] }
+    tags.take(limit)
   end
 
   # Returns the top 20 most frequently added tags within the last 20 edits made by the user in the last hour.

app/models/ai_tag.rb

@@ -6,6 +6,7 @@ class AITag < ApplicationRecord
   belongs_to :tag
   belongs_to :media_asset
   has_one :post, through: :media_asset
+  has_one :aliased_tag, through: :tag
 
   validates :score, inclusion: { in: (0..100) }
 
@@ -14,7 +15,7 @@ class AITag < ApplicationRecord
   scope :empty, -> { where(tag: Tag.empty) }
   scope :nonempty, -> { where(tag: Tag.nonempty) }
 
-  delegate :name, :pretty_name, :post_count, :category, :category_name, to: :tag
+  delegate :name, :pretty_name, :post_count, :category, :category_name, :is_deprecated?, :empty?, :is_aliased?, :metatag?, to: :tag
 
   def self.named(name)
     name = $1.downcase if name =~ /\A(rating:.)/i

app/models/tag.rb

@@ -9,6 +9,7 @@ class Tag < ApplicationRecord
   has_one :wiki_page, :foreign_key => "title", :primary_key => "name"
   has_one :artist, :foreign_key => "name", :primary_key => "name"
   has_one :antecedent_alias, -> {active}, :class_name => "TagAlias", :foreign_key => "antecedent_name", :primary_key => "name"
+  has_one :aliased_tag, through: :antecedent_alias, source: :consequent_tag
   has_many :consequent_aliases, -> {active}, :class_name => "TagAlias", :foreign_key => "consequent_name", :primary_key => "name"
   has_many :antecedent_implications, -> {active}, :class_name => "TagImplication", :foreign_key => "antecedent_name", :primary_key => "name"
   has_many :consequent_implications, -> {active}, :class_name => "TagImplication", :foreign_key => "consequent_name", :primary_key => "name"
@@ -405,6 +406,14 @@ class Tag < ApplicationRecord
     end
   end
 
+  def is_aliased?
+    aliased_tag.present?
+  end
+
+  def metatag?
+    name.match?(/\A#{PostQueryBuilder::METATAGS.join("|")}:/i)
+  end
+
   def self.model_restriction(table)
     super.where(table[:post_count].gt(0))
   end

app/views/related_tags/_ai_tags_column.html.erb

@@ -5,12 +5,14 @@
   </h3>
 
   <ul class="tag-list simple-tag-list">
-    <% ai_tags.each do |t| %>
+    <% ai_tags.each do |ai_tag| %>
       <li class="flex items-center space-x-1">
         <input type="checkbox" tabindex="-1">
         <span>
+          <% t = ai_tag.is_aliased? ? ai_tag.aliased_tag : ai_tag.tag %>
+
           <%= link_to t.pretty_name, posts_path(tags: t.name), class: "search-tag tag-type-#{t.category}", "data-tag-name": t.name %>
-          <%= tag.span "#{t.score}%", class: "text-muted text-xs" %>
+          <%= tag.span "#{ai_tag.score}%", class: "text-muted text-xs" %>
         </span>
       </li>
     <% end %>