AI: address review on PR #477

backend/app/controllers/wiki_pages_controller.rb

@@ -6,6 +6,11 @@ class WikiPagesController < ApplicationController
   def index
     locale = resolve_locale!
 
+    resource_type = params[:resource_type]
+    unless resource_type.nil? || ['tag_description', 'tag_group'].include?(resource_type)
+      return head :bad_request
+    end
+
     title = params[:title].to_s.strip
     descriptions =
         HistoryAccess.current(TagDescription.all, TagDescriptionVersion)
@@ -14,6 +19,8 @@ class WikiPagesController < ApplicationController
 
     descriptions = descriptions.order(updated_at: :desc, id: :asc)
     tag_groups = HistoryAccess.current(TagGroup.all, TagGroupVersion).order(updated_at: :desc, id: :asc)
+    descriptions = descriptions.none if resource_type == 'tag_group'
+    tag_groups = tag_groups.none if resource_type == 'tag_description'
     if title.present?
       pattern = "%#{ ApplicationRecord.sanitize_sql_like(title) }%"
       descriptions =