アイヌ語追加 (#428) (#433)

Reviewed-on: #433
Co-authored-by: miteruzo <miteruzo@naver.com>

backend/app/controllers/wiki_pages_controller.rb

@@ -34,11 +34,33 @@ class WikiPagesController < ApplicationController
     render json:
   end
 
+  def autolink_candidates
+    locale = resolve_locale!
+    language = params.fetch(:language, locale.language_code)
+    language = 'ja' if language == 'und'
+    return head :not_found unless language.is_a?(String)
+    return head :not_found unless Language.exists?(code: language)
+
+    names = TagDescription.joins(tag: :tag_names)
+        .where(language_code: locale.language_code, tag_names: { language_code: language })
+        .pluck('tag_descriptions.tag_id', 'tag_descriptions.id', 'tag_names.name')
+    candidates = names.map do |tag_id, description_id, name|
+      WikiPageRepr.autolink_tag(locale, tag_id:, description_id:, name:, language:)
+    end
+    candidates.concat(TagGroup.order(:id).pluck(:id, :name).map do |id, name|
+      WikiPageRepr.autolink_group(locale, id:, name:, language:)
+    end)
+    render json: candidates
+  end
+
   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
@@ -63,6 +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)
@@ -214,6 +247,7 @@ class WikiPagesController < ApplicationController
     base_revision_id = params[:base_revision_id].presence
 
     ApplicationRecord.transaction do
+      SharedResourceIdAllocator.lock_space!(Tag, 'tags')
       tag.lock!
       old_title = tag_name.name
       if title != old_title