#318

2026-04-22 23:32:05 +09:00
parent 6b0d262040
commit 3da9b447d4
6 changed files with 103 additions and 35 deletions
@@ -220,8 +220,14 @@ class TagsController < ApplicationController
    category = params[:category].to_s.strip
    return head :unprocessable_entity if name.blank? || category.blank?

-    if tag.nico? != (category == 'nico')
-      return render json: { error: 'ニコタグのカテゴリ変更はできません．' },
+    if name != tag.name &&
+        tag.in?([Tag.tagme, Tag.bot, Tag.no_deerjikist, Tag.video, Tag.niconico])
+      return render json: { error: 'システム・タグの名称は変更できません．' },
+                    status: :unprocessable_entity
+    end
+
+    if tag.nico? || category == 'nico'
+      return render json: { error: 'ニコタグは変更できません．' },
                    status: :unprocessable_entity
    end

@@ -258,8 +264,8 @@ class TagsController < ApplicationController

    tag = Tag.find(params[:id])

-    if category.present? && tag.nico? != (category == 'nico')
-      return render json: { error: 'ニコタグのカテゴリ変更はできません．' },
+    if tag.nico? || (category.present? && category == 'nico')
+      return render json: { error: 'ニコタグは変更できません．' },
                    status: :unprocessable_entity
    end