From fcd3b87b2a1755c65b41b3d8b0ed7c212994e78c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=BF=E3=81=A6=E3=82=8B=E3=81=9E?= <miteruzo@naver.com>
Date: Mon, 27 Apr 2026 12:45:06 +0900
Subject: [PATCH] =?UTF-8?q?=E5=A5=AA=E3=81=AF=E3=82=8C=E3=81=9F=E5=88=A5?=
 =?UTF-8?q?=E5=90=8D=E3=81=AE=E5=B1=A5=E6=AD=B4=E8=BF=BD=E5=8A=A0=20(#329)?=
 =?UTF-8?q?=20(#338)?=
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#329

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: https://git.miteruzo.com/miteruzo/btrc-hub/pulls/338
---
 backend/app/controllers/tags_controller.rb    | 23 +++++++++++++++++++
 backend/spec/requests/tags_spec.rb            |  2 --
 .../requests/wiki_body_search_pending_spec.rb |  2 +-
 .../requests/wiki_restore_pending_spec.rb     |  2 +-
 4 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/backend/app/controllers/tags_controller.rb b/backend/app/controllers/tags_controller.rb
index 6a81dd4..3560e81 100644
--- a/backend/app/controllers/tags_controller.rb
+++ b/backend/app/controllers/tags_controller.rb
@@ -336,8 +336,27 @@ class TagsController < ApplicationController
   end
 
   def update_aliases! tag, alias_names
+    alias_names = alias_names.uniq
+
+    affected_tags = [tag]
+
     current_aliases = tag.tag_name.aliases.to_a
 
+    current_aliases.each do |alias_tag_name|
+      next if alias_names.include?(alias_tag_name.name)
+
+      affected_tags << alias_tag_name.canonical&.tag
+    end
+
+    alias_names.each do |alias_name|
+      alias_tag_name = TagName.find_undiscard_or_create_by!(name: alias_name)
+      affected_tags << alias_tag_name.canonical&.tag
+    end
+
+    affected_tags.compact.uniq.each do |affected_tag|
+      TagVersioning.ensure_snapshot!(affected_tag, created_by_user: current_user)
+    end
+
     current_aliases.each do |alias_tag_name|
       next if alias_names.include?(alias_tag_name.name)
 
@@ -348,6 +367,10 @@ class TagsController < ApplicationController
       alias_tag_name = TagName.find_undiscard_or_create_by!(name: alias_name)
       alias_tag_name.update!(canonical: tag.tag_name)
     end
+
+    affected_tags.compact.uniq.each do |affected_tag|
+      record_tag_version!(affected_tag, event_type: :update, created_by_user: current_user)
+    end
   end
 
   def update_parent_tags! tag, parent_names
diff --git a/backend/spec/requests/tags_spec.rb b/backend/spec/requests/tags_spec.rb
index 864cdae..a688598 100644
--- a/backend/spec/requests/tags_spec.rb
+++ b/backend/spec/requests/tags_spec.rb
@@ -964,8 +964,6 @@ RSpec.describe 'Tags API', type: :request do
       end
 
       it '別名を他 tag から奪った場合、奪はれた側の tag version も作成する' do
-        pending '#329 で対応予定'
-
         old_owner = Tag.create!(
           tag_name: TagName.create!(name: 'put_alias_old_owner'),
           category: :general
diff --git a/backend/spec/requests/wiki_body_search_pending_spec.rb b/backend/spec/requests/wiki_body_search_pending_spec.rb
index ebfc874..98bd6af 100644
--- a/backend/spec/requests/wiki_body_search_pending_spec.rb
+++ b/backend/spec/requests/wiki_body_search_pending_spec.rb
@@ -4,7 +4,7 @@ RSpec.describe 'Wiki body search', type: :request do
   let!(:user) { create_member_user! }
 
   it 'searches wiki pages by body text' do
-    pending 'Wiki 本文検索実装時に有効化する'
+    pending '#336 で対応予定'
 
     Wiki::Commit.create_content!(
         tag_name: TagName.create!(name: 'wiki_body_search_hit'),
diff --git a/backend/spec/requests/wiki_restore_pending_spec.rb b/backend/spec/requests/wiki_restore_pending_spec.rb
index 0ceeca1..33b6a63 100644
--- a/backend/spec/requests/wiki_restore_pending_spec.rb
+++ b/backend/spec/requests/wiki_restore_pending_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe 'Wiki restore', type: :request do
   end
 
   it 'restores wiki page to previous version' do
-    pending 'Wiki 版巻き戻し API 実装時に有効化する'
+    pending '#337 で対応予定'
 
     page =
         Wiki::Commit.create_content!(