#428

backend/app/controllers/wiki_pages_controller.rb

@@ -55,9 +55,12 @@ class WikiPagesController < ApplicationController
 
   def show
     locale = resolve_locale!
-    tag_description = TagDescription.find_by(id: params[:id], language_code: locale.language_code)
+    reference = TagDescription.find_by(id: params[:id])
+    tag_description = reference && TagDescription.find_by(
+        tag_id: reference.tag_id, language_code: locale.language_code)
 
     return render_wiki_page_by_tag_description locale, tag_description if tag_description
+    return head :not_found if reference
 
     tag_group = TagGroup.find_by(id: params[:id])
     return render_tag_group locale, tag_group if tag_group
@@ -82,6 +85,17 @@ class WikiPagesController < ApplicationController
     head :not_found
   end
 
+  def tag_reference
+    locale = resolve_locale!
+    description = TagDescription.find_by(id: params[:id])
+    return head :not_found unless description
+
+    tag = Tag.preload(:tag_names, :materials, :deerjikists, :tag_descriptions,
+                      parents: [:tag_names, :materials, :deerjikists, :tag_descriptions])
+        .find(description.tag_id)
+    render json: TagRepr.base(tag, language_code: locale.language_code)
+  end
+
   def exists
     locale = resolve_locale!
     if TagDescription.exists?(id: params[:id], language_code: locale.language_code)