{"id":150,"date":"2015-02-18T17:11:19","date_gmt":"2015-02-18T08:11:19","guid":{"rendered":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/blog\/2015\/02\/18\/activeadmin"},"modified":"2022-10-26T09:33:55","modified_gmt":"2022-10-26T00:33:55","slug":"activeadmin","status":"publish","type":"post","link":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/blog\/2015\/02\/18\/activeadmin\/","title":{"rendered":"ActiveAdmin\u3067\u3061\u3087\u3063\u3068\u4f7f\u3044\u52dd\u624b\u306e\u826f\u3044\u7ba1\u7406\u753b\u9762\u3092\u4f5c\u308bTips"},"content":{"rendered":"<p>\u6700\u8fd1\u306fJava\u3067\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u66f8\u3044\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u4e0b\u689d\u3067\u3059\u3002\u81ea\u5206\u306e\u4e2d\u3067\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baJava\u71b1\u304c\u4e0a\u304c\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u306a\u306e\u3067\u3001Java\u306e\u8a71\u984c\u3067\u3082\u3044\u3044\u3093\u3067\u3059\u3051\u3069\u3001\u3067\u3082\u50d5\u306fRails\u3002<\/p>\n<p>Ruby on Rails\u3067\u7c21\u5358\u306b\u7ba1\u7406\u753b\u9762\u3092\u4f5c\u308a\u305f\u3044\u3068\u304d\u306b\u4f7f\u3048\u308bgem\u3067\u3042\u308bActiveAdmin\u3002\u7ba1\u7406\u753b\u9762\u306f\u4e00\u822c\u7684\u306b\u3042\u307e\u308a\u898b\u305f\u76ee\u306e\u7d20\u6575\u3055\u306f\u8981\u6c42\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3001ActiveAdmin\u3067\u3042\u308b\u7a0b\u5ea6\u306e\u30ec\u30d9\u30eb\u306e\u7ba1\u7406\u753b\u9762\u304c\u7c21\u5358\u306b\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u305f\u3060\u3001\u672c\u5f53\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3060\u3068\u3068\u3066\u3082\u4f7f\u3044\u306b\u304f\u3044\u7ba1\u7406\u753b\u9762\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u3002\u554f\u984c\u3068\u3057\u3066\u306f\u4f8b\u3048\u3070\u3001<\/p>\n<ul>\n<li>\u30e2\u30c7\u30eb\u306eCRUD\u3092\u305d\u306e\u307e\u307e\u5b9f\u73fe\u3059\u308b\u3060\u3051\u3067\u306f\u4e0d\u4fbf\u306a\u7ba1\u7406\u30d5\u30ed\u30fc\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308b\uff08\u591a\u5bfe\u591a\u306e\u4e2d\u9593\u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf\u767b\u9332\u306a\u3069\uff09<\/li>\n<li>\u65e5\u672c\u8a9e\u5316\u3055\u308c\u3066\u3044\u306a\u3044<\/li>\n<\/ul>\n<p>\u306a\u3069\u306a\u3069\u3002\u4eca\u56de\u306f\u3001\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u3092\u4f5c\u308a\u306a\u304c\u3089\u3053\u308c\u3089\u3092\u6539\u5584\u3057\u3066\u3044\u3063\u3066\u307f\u308b\u3002<\/p>\n<hr>\n<p>\u7c21\u5358\u306a\u4f8b\u3068\u3057\u3066\u3001\u66f8\u7c4d\uff08Book\uff09\u3068\u8457\u8005\uff08Author\uff09\u3092\u7ba1\u7406\u3059\u308b\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u3044\u304d\u306a\u304c\u3089\u898b\u3066\u3044\u304f\u3053\u3068\u306b\u3059\u308b\u3002\u30e2\u30c7\u30eb\u306f\u4ee5\u4e0b\u3002Book\u3068Author\u306f\u304a\u4e92\u3044\u306bhas_many\u306e\u95a2\u4fc2\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u4e2d\u9593\u30e2\u30c7\u30eb\u304c\u5b58\u5728\u3059\u308b\u4f8b\u3068\u3059\u308b\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/1.png\" alt=\"1.png\"><\/p>\n<p>\u30e2\u30c7\u30eb\u3084\u3001\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u306e\u624b\u9806\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3002<\/p>\n<pre><code class=\"language-sh\">$ rails g model Author name:string description:text\n$ rails g model Book title:string isbn:string published_date:date\n$ rails g model AuthorBook author_id:integer book_id:integer\n$ rake db:migrate<\/code><\/pre>\n<p>\u305d\u308c\u305e\u308c\u306e\u30e2\u30c7\u30eb\u306bhas_many\u3068belongs_to\u306a\u3069\u3092\u8ffd\u52a0\u3002\u4f8b\u3048\u3070app\/model\/book.rb\u306f\u3053\u3093\u306a\u611f\u3058\u3002\uff08\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306a\u3093\u304b\u306f\u30b5\u30dc\u3063\u3066\u307e\u3059\u3002\uff09<\/p>\n<pre><code class=\"language-ruby\">class Book &lt; ActiveRecord::Base\n  has_many :author_books, dependent: :destroy\n  has_many :authors, through: :author_books\n  accepts_nested_attributes_for :author_books, allow_destroy: true\nend<\/code><\/pre>\n<p>\u3055\u3063\u305d\u304fActiveAdmin\u5c0e\u5165\u3002Gemfile\u306b\u4ee5\u4e0b\u3092\u8ffd\u52a0\u3057\u3001<\/p>\n<pre><code class=\"language-ruby\">gem &#39;activeadmin&#39;, github: &#39;activeadmin&#39;\ngem &#39;inherited_resources&#39;, github: &#39;josevalim\/inherited_resources&#39;, branch: &#39;rails-4-2&#39;<\/code><\/pre>\n<p>bundle install\u3057\u305f\u5f8c\u3001<\/p>\n<pre><code class=\"language-sh\">$ rails g active_admin:install --skip-users<\/code><\/pre>\n<p>\u3068\u308a\u3042\u3048\u305a\u4eca\u56de\u306f\u7c21\u5358\u306e\u305f\u3081\u3001&#39;--skip-users&#39;\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u305f\u305f\u3081\u3001\u30e6\u30fc\u30b6\u306a\u3057\u3067\u4f7f\u3048\u308b\u3002<\/p>\n<p><a href=\"http:\/\/localhost:3000\/admin\">http:\/\/localhost:3000\/admin<\/a><\/p>\n<p>\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u65e9\u901f\u7ba1\u7406\u753b\u9762\u304c\u3067\u304d\u3066\u3044\u308b\u3002<br \/>\n\u203bconfig\/initializers\/adtive_admin.rb\u3067<br \/>\nconfig.current_user_method = :current_admin_user<br \/>\n\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u304a\u304f\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/2.png\" alt=\"2.png\"><\/p>\n<p>\u3053\u3053\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u5168\u3066\u306e\u30e2\u30c7\u30eb\u3092ActiveAdmin\u306e\u7ba1\u7406\u5bfe\u8c61\u306b\u52a0\u3048\u3066\u307f\u308b\u3002<\/p>\n<pre><code class=\"language-sh\">$ rails g active_admin:resource author\n$ rails g active_admin:resource book\n$ rails g active_admin:resource author_book<\/code><\/pre>\n<p>\u7d50\u679c\u3001app\/admin\/author.rb, app\/admin\/book.rb, app\/admin\/author_book.rb\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3002<br \/>\n\u3042\u3068\u306f\u3001Strong Parameters\u5bfe\u5fdc\u3067\u3001permit_params\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3002\uff08\u305f\u3076\u3093\u5404\u30d5\u30a1\u30a4\u30eb\u306b\u30b5\u30f3\u30d7\u30eb\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u3068\u601d\u3046\u3002\uff09<\/p>\n<p>\u3053\u308c\u3067\u3072\u3068\u901a\u308a\u306eCRUD\u64cd\u4f5c\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u3055\u3059\u304cActiveAdmin\u3002\u65e9\u3044\u3002\u4f8b\u3048\u3070\u66f8\u7c4d\u306e\u767b\u9332\u753b\u9762\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/3.png\" alt=\"3.png\"><\/p>\n<h2 id=\"outline__1\" id=\"\u591a\u5bfe\u591a\u306e\u4e2d\u9593\u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf\u767b\u9332\">\u591a\u5bfe\u591a\u306e\u4e2d\u9593\u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf\u767b\u9332<\/h2>\n<p>\u3057\u304b\u3057\u3001\u554f\u7b54\u7121\u7528\u3067\u30e2\u30c7\u30eb\u3092ActiveAdmin\u3067\u306e\u7ba1\u7406\u5bfe\u8c61\u306b\u3059\u308b\u3068\u3001\u4e0d\u4fbf\u306a\u7ba1\u7406\u30d5\u30ed\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308b\u3002\u591a\u5bfe\u591a\u306e\u4e2d\u9593\u30e2\u30c7\u30eb\u306f\u305d\u306e\u4ee3\u8868\u4f8b\u3067\u3042\u308b\u3002<br \/>\nActiveAdmin\u306f\u30e2\u30c7\u30eb\u3092\u3082\u3068\u306b\u3001\u305d\u306e\u30e1\u30f3\u30d0\u3092\u767b\u9332\u3001\u7de8\u96c6\u3001\u524a\u9664\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u591a\u5bfe\u591a\u306e\u4e2d\u9593\u30e2\u30c7\u30eb\u3092ActiveAdmin\u3067\u306e\u7ba1\u7406\u5bfe\u8c61\u306b\u3059\u308b\u3068\u3001ID\u30922\u3064\u767b\u9332\u3059\u308bUI\u3068\u306a\u308b\u3002<br \/>\n\u4f8b\u3048\u3070\u4eca\u56de\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u66f8\u7c4d\u3068\u8457\u8005\u3092\u7d50\u3073\u3064\u3051\u308b\u767b\u9332\u753b\u9762\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/4.png\" alt=\"4.png\"><\/p>\n<p>\u3046\u30fc\u3080\u3002\u65e5\u672c\u8a9e\u5316\u3055\u308c\u3066\u306a\u3044\u3068\u3044\u3046\u3068\u3053\u308d\u306f\u304a\u3044\u3066\u304a\u3044\u3066\u3001\u3053\u308c\u3060\u3068\u3001\u66f8\u7c4d\u3068\u8457\u8005\u3092\u7d10\u4ed8\u3051\u308b\u306e\u306b\u3001\u307e\u305a\u66f8\u7c4dID\u3068\u8457\u8005ID\u3092\u8abf\u3079\u3066\u304b\u3089\u3001\u3053\u306e\u753b\u9762\u3067ID\u3092\u5165\u308c\u308b\u3068\u3044\u3046\u3001\u304a\u305d\u3089\u304f\u975e\u5e38\u306b\u9762\u5012\u306a\u624b\u9806\u3068\u306a\u308b\u3002<br \/>\n\u3053\u3053\u306f\u3001\u66f8\u7c4d\u306e\u767b\u9332\u6642\u306b\u3067\u3082\u3001\u305d\u306e\u8457\u8005\u3092\u8907\u6570\u767b\u9332\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3068\u3053\u308d\u3067\u3042\u308b\u3002<br \/>\n\u305d\u3053\u3067\u3001\u66f8\u7c4d\u306e\u767b\u9332\u753b\u9762\u3092\u5909\u66f4\u3057\u3066\u307f\u308b\u3002<\/p>\n<p>app\/admin\/book.rb<br \/>\n\u3067\u30d5\u30a9\u30fc\u30e0\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3002<br \/>\n\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30d5\u30a9\u30fc\u30e0\u306e\u30ab\u30b9\u30bf\u30e0\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3002\u3042\u3068\u306f\u3001permit_params\u3082\u8ffd\u52a0\u3002<\/p>\n<pre><code class=\"language-ruby\">ActiveAdmin.register Book do\n  permit_params :title, :isbn, :published_date, author_books_attributes: [:author_id, :_destroy, :id]\n\n  form do |f|\n    f.inputs &#39;\u66f8\u7c4d\u767b\u9332&#39; do\n      f.input :title\n      f.input :isbn\n      f.input :published_date\n      f.has_many :author_books, allow_destroy: true, heading: false,\n                                new_record: true do |ab|\n        ab.input :author_id,\n                 label: &#39;\u8457\u8005&#39;,\n                 as: :select,\n                 collection: Author.all.map { |a| [a.name, a.id] }\n      end\n      f.actions\n    end\n  end\nend<\/code><\/pre>\n<p>\u3059\u308b\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u30d5\u30a9\u30fc\u30e0\u304c\u3067\u304d\u3001\u66f8\u7c4d\u306e\u767b\u9332\u3001\u7de8\u96c6\u6642\u306b\u3001\u7d10\u4ed8\u3051\u308b\u8457\u8005\u3092\u8457\u8005\u540d\u3067\u767b\u9332\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u3061\u3087\u3063\u3068\u4fbf\u5229\u306b\u306a\u3063\u305f\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/5.png\" alt=\"5.png\"><\/p>\n<p>\u305f\u3060\u3001\u3053\u308c\u3060\u3051\u3060\u3068\u767b\u9332\u5b8c\u4e86\u753b\u9762\u306b\u306f\u8457\u8005\u540d\u304c\u51fa\u3066\u3053\u306a\u3044\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/6.png\" alt=\"6.png\"><\/p>\n<p>\u3064\u3044\u3067\u306b\u3001\u3053\u306e\u753b\u9762\u306bcreated_at\u3068update_at\u30ab\u30e9\u30e0\u306e\u60c5\u5831\u304c\u51fa\u3066\u3044\u308b\u306e\u3082\u3061\u3087\u3063\u3068\u90aa\u9b54\u3067\u3042\u308b\u3002\u3068\u3044\u3046\u308f\u3051\u3067\u3001\u305d\u308c\u3089\u3092\u524a\u9664\u3057\u3064\u3064\u3001\u8457\u8005\u540d\u3092\u8ffd\u52a0\u3057\u3066\u307f\u308b\u3002<\/p>\n<p>\u518d\u3073app\/admin\/book.rb\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3002\u4eca\u5ea6\u306f\u4ee5\u4e0b\u3092\u8ffd\u52a0\u3002<\/p>\n<pre><code class=\"language-ruby\">  show do\n    attributes_table do\n      row &#39;\u30bf\u30a4\u30c8\u30eb&#39; do\n        resource.title\n      end\n      row &#39;ISBN&#39; do\n        resource.isbn\n      end\n      row &#39;\u51fa\u7248\u65e5&#39; do\n        resource.published_date\n      end\n      row &#39;\u8457\u8005&#39; do\n        Author.where(id: AuthorBook.where(book_id: resource.id).all.pluck(:author_id)).all.pluck(:name).join(&#39;,&#39;)\n      end\n    end<\/code><\/pre>\n<p>\u7d50\u679c\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/7.png\" alt=\"7.png\"><\/p>\n<p>\u3060\u3044\u3076\u30de\u30b7\u306b\u306a\u3063\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001\u591a\u5bfe\u591a\u306e\u4e2d\u9593\u30e2\u30c7\u30eb\u4ee5\u5916\u3067\u3082\u3001\u30e2\u30c7\u30eb\u8a2d\u8a08\u306b\u3088\u3063\u3066\u306f\u305d\u306e\u307e\u307eActiveAdmin\u3067\u7ba1\u7406\u3059\u308b\u3068\u4f7f\u3044\u52dd\u624b\u304c\u60aa\u304f\u306a\u308b\u5834\u5408\u304c\u591a\u3005\u3042\u308b\u306e\u3067\u3001\u30e2\u30c7\u30eb\u8a2d\u8a08\u304c\u91cd\u8981\u306b\u306a\u308b\u306e\u3068\u540c\u6642\u306b\u3001\u3082\u3057\u65e2\u5b58\u30e2\u30c7\u30eb\u3092ActiveAdmin\u3067\u7ba1\u7406\u3057\u305f\u3044\u3068\u3044\u3046\u6642\u306b\u306f\u3069\u3046\u3044\u3046UI\u306b\u306a\u308b\u306e\u304b\u3088\u304f\u8003\u3048\u305f\u307b\u3046\u304c\u3088\u3044\u3068\u601d\u308f\u308c\u308b\u3002\u307e\u3042\u3001ActiveAdmin\u306b\u5408\u308f\u305b\u308b\u3068\u3044\u3046\u306e\u306f\u672c\u672b\u8ee2\u5012\u3060\u3051\u308c\u3069\u3082\u3002<\/p>\n<h2 id=\"outline__2\" id=\"\u65e5\u672c\u8a9e\u5316\">\u65e5\u672c\u8a9e\u5316<\/h2>\n<p>\u4e0a\u8a18\u3067\u5c40\u6240\u7684\u306b\u65e5\u672c\u8a9e\u5316\u3057\u3066\u3044\u305f\u304c\u3001\u3061\u3083\u3093\u3068\u65e5\u672c\u8a9e\u3092\u3059\u308b\u306b\u306fI18n\u3092\u4f7f\u3046\u3002<\/p>\n<p>\u307e\u305a\u306fconfig\/locales\/ja.yml\u3092\u4f5c\u6210\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/svenfuchs\/rails-i18n\/blob\/master\/rails\/locale\/ja.yml\">https:\/\/github.com\/svenfuchs\/rails-i18n\/blob\/master\/rails\/locale\/ja.yml<\/a><\/p>\n<p>\u3053\u3053\u3089\u3078\u3093\u304b\u3089\u3082\u3063\u3066\u304f\u308b\u3068\u3088\u3044\u3002\u305d\u3046\u3059\u308b\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/8.png\" alt=\"8.png\"><\/p>\n<p>\u3053\u308c\u3060\u3068\u300cBook \u3092\u4f5c\u6210\u3059\u308b\u300d\u3068\u307f\u305f\u3044\u306b\u3061\u3087\u3063\u3068\u30eb\u30fc\u5927\u67f4\u7684\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u30e2\u30c7\u30eb\u306e\u65e5\u672c\u8a9e\u5316\u3092\u3059\u308b\u3002\u307e\u305f\u3001\u3064\u3044\u3067\u306b\u4ee5\u4e0b\u306a\u3069\u306e\u5bfe\u5fdc\u3082\u3084\u3063\u3066\u307f\u308b\u3002<\/p>\n<ul>\n<li>\u4e00\u89a7\u306eCreated At, Updated At\u306e\u30ab\u30e9\u30e0\u3092\u898b\u305b\u305f\u304f\u306a\u3044\u306e\u3067\u524a\u9664<\/li>\n<li>\u691c\u7d22\u6761\u4ef6\u306eAuthor Books\u3001Created At, Updated At\u3092\u524a\u9664<\/li>\n<li>\u30e1\u30cb\u30e5\u30fc\u306e\u300cAuthor Books\u300d\u306f\u524a\u9664\uff1aapp\/admin\/author_book.rb\u3092\u524a\u9664\u3002<\/li>\n<\/ul>\n<p>\u6700\u7d42\u7684\u306aapp\/admin\/book.rb\u306f\u4ee5\u4e0b\u3002<\/p>\n<pre><code class=\"language-ruby\">ActiveAdmin.register Book do\n  permit_params :title, :isbn, :published_date, author_books_attributes: [:author_id, :_destroy, :id]\n  filter :authors_name_eq, label: I18n.t(&#39;activerecord.attributes.author.name&#39;), as: :select, collection: Author.all.map { |a| [a.name, a.name] }\u3000# \u3053\u3053\u306e\u65e5\u672c\u8a9e\u5316\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3067\u3061\u3087\u3063\u3068\u5f37\u5f15\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u5165\u308c\u3066\u307e\u3059\u3002\n  filter :title\n  filter :isbn\n  filter :published_date\n\n  index title: I18n.t(&#39;activerecord.models.book&#39;) + &#39;\u4e00\u89a7&#39; do\n    column I18n.t(&#39;activerecord.attributes.book.title&#39;), :title\n    column I18n.t(&#39;activerecord.attributes.book.isbn&#39;), :isbn\n    column I18n.t(&#39;activerecord.attributes.book.published_date&#39;), :published_date\n    column I18n.t(&#39;activerecord.attributes.author.name&#39;) do |book|\n      Author.where(id: AuthorBook.where(book_id: book.id).all.pluck(:author_id)).all.pluck(:name).join(&#39;, &#39;)\n    end\n    actions\n  end\n\n  form do |f|\n    f.inputs I18n.t(&#39;activerecord.models.book&#39;) + &#39;\u767b\u9332&#39; do\n      f.input :title\n      f.input :isbn\n      f.input :published_date\n      f.has_many :author_books, allow_destroy: true, heading: false,\n                                new_record: true do |ab|\n        ab.input :author_id,\n                 label: I18n.t(&#39;activerecord.attributes.author.name&#39;),\n                 as: :select,\n                 collection: Author.all.map { |a| [a.name, a.id] }\n      end\n      f.actions\n    end\n  end\n\n  show do\n    attributes_table do\n      row I18n.t(&#39;activerecord.attributes.book.title&#39;) do\n        resource.title\n      end\n      row I18n.t(&#39;activerecord.attributes.book.isbn&#39;) do\n        resource.isbn\n      end\n      row I18n.t(&#39;activerecord.attributes.book.published_date&#39;) do\n        resource.published_date\n      end\n      row I18n.t(&#39;activerecord.attributes.author.name&#39;) do\n        Author.where(id: AuthorBook.where(book_id: resource.id).all.pluck(:author_id)).all.pluck(:name).join(&#39;, &#39;)\n      end\n    end\n  end\nend<\/code><\/pre>\n<p>\u305d\u306e\u7d50\u679c\u306e\u753b\u9762\u304c\u3053\u3061\u3089\u3002<\/p>\n<p><img src=\"\/images\/activeadmin\/9.png\" alt=\"9.png\"><\/p>\n<p>\u3060\u3044\u3076\u30de\u30b7\u306b\u306a\u3063\u305f\u306e\u3067\u306f\u306a\u3044\u3060\u308d\u3046\u304b\u3002<\/p>\n<p>\u3044\u308d\u3044\u308d\u3068\u307e\u3060\u307e\u3060\u6539\u5584\u30fb\u6a5f\u80fd\u8ffd\u52a0\u306a\u3069\u3067\u304d\u308b\u304c\u3001\u30ad\u30ea\u304c\u306a\u3044\u306e\u3067\u3068\u308a\u3042\u3048\u305a\u4eca\u56de\u306f\u4e3b\u306b\u30d5\u30a9\u30fc\u30e0\u30fb\u65e5\u672c\u8a9e\u5316\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u305f\u3002<\/p>\n<h2 id=\"outline__3\" id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n<p>\u4ed6\u306b\u3082\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u308b\u90e8\u5206\u306f\u3044\u308d\u3044\u308d\u3068\u3042\u308b\u3002ActiveAdmin\u306f\u30e6\u30fc\u30b6\u304c\u591a\u3044\u305f\u3081\u3001\u60c5\u5831\u304c\u305f\u304f\u3055\u3093\u30cd\u30c3\u30c8\u4e0a\u306b\u8ee2\u304c\u3063\u3066\u3044\u308b\u304b\u3089\u3001\u5b9f\u73fe\u3057\u305f\u3044\u6a5f\u80fd\u3067\u691c\u7d22\u3059\u308c\u3070\u3084\u308a\u65b9\u304c\u51fa\u3066\u304f\u308b\u3053\u3068\u3082\u591a\u3044\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u3053\u304b\u3089\u304c\u4e00\u756a\u5f37\u8abf\u3057\u305f\u3044\u3068\u3053\u308d\u306a\u306e\u3060\u304c\u3001<br \/>\n\u4eca\u56de\u898b\u3066\u304d\u305fActiveAdmin\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306f\u7c21\u5358\u306a\u4f8b\u3067\u3001\u7d50\u5c40\u3054\u308a\u3054\u308a\u3068\u81ea\u5206\u3067\u30d3\u30e5\u30fc\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u66f8\u304b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3088\u3046\u306a\u5834\u5408\u3082\u3042\u308b\u3002\u4f8b\u3048\u3070\u300c\u767b\u9332\u306e\u78ba\u8a8d\u753b\u9762\u3092\u51fa\u3059\u300d\u5834\u5408\u3002\u3053\u308c\u306f\u81ea\u5206\u3067\u30d3\u30e5\u30fc\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u66f8\u304b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002ActiveAdmin\u3067\u3082**<em>\u304c\u3093\u3070\u308c\u3070**<\/em>\u306a\u3093\u3067\u3082\u3067\u304d\u308b\u306e\u306f\u78ba\u304b\u3060\u304c\u3001\u3053\u3046\u3044\u3063\u305f\u3054\u308a\u3054\u308a\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u5897\u3048\u3066\u304f\u308b\u3068ActiveAdmin\u3092\u4f7f\u3046\u610f\u5473\u304c\u8584\u308c\u3066\u304f\u308b\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u524d\u63d0\u3068\u3057\u3066\u3001\u7ba1\u7406\u753b\u9762\u3092\u4f5c\u308d\u3046\u3068\u3059\u308b\u3068\u304d\u306b\u3001ActiveAdmin\u3042\u308a\u304d\u3067\u8003\u3048\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u5927\u4e8b\u3067\u3042\u308b\u3002ActiveAdmin\u3042\u308a\u304d\u3067\u8003\u3048\u3066\u3057\u307e\u3046\u3068ActiveAdmin\u304c\u6a19\u6e96\u3067\u63d0\u4f9b\u3057\u3066\u3044\u308b\u6a5f\u80fd\u30d9\u30fc\u30b9\u3067\u6a5f\u80fd\u8a2d\u8a08\u3092\u8003\u3048\u3066\u3057\u307e\u3044\u304c\u3061\u306b\u306a\u308b\u3002\u5927\u4e8b\u306a\u306e\u306f\u3001\u304a\u5ba2\u69d8\u304c\u7ba1\u7406\u753b\u9762\u306b\u4f55\u3092\u671b\u3093\u3067\u3044\u308b\u304b\u3001\u4f55\u304c\u5fc5\u8981\u306a\u306e\u304b\u3092\u307e\u305a\u3057\u3063\u304b\u308a\u3068\u8003\u3048\u3001\u305d\u306e\u4e0a\u3067ActiveAdmin\u304c\u9069\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3042\u308d\u3046\u3002\u305d\u306e\u969b\u306b\u306fActiveAdmin\u3067\u7c21\u5358\u306b\u3067\u304d\u308b\u3053\u3068\u3001\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u77e5\u3063\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u306a\u306e\u3060\u304c\u3001\u79c1\u3082\u307e\u3060\u52c9\u5f37\u4e2d\u306e\u8eab\u306a\u306e\u3067\u3042\u307e\u308a\u5927\u305d\u308c\u305f\u3053\u3068\u306f\u8a00\u3048\u306a\u3044\u3002\u4eca\u5f8c\u3068\u3082\u8abf\u3079\u3066\u3044\u3053\u3046\u3068\u601d\u3063\u3066\u3044\u308b\u3002<\/p>\n<p><a href=\"https:\/\/mmmcorp.co.jp\/services\/remote_system_engineering_service\/ruby\">Ruby on Rails\u3092\u6d3b\u7528\u3057\u305fWeb\u30b5\u30fc\u30d3\u30b9\u3084\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u958b\u767a<\/a>\u3092\u3054\u691c\u8a0e\u306e\u4f01\u696d\u69d8\u306f\u3001\u662f\u975eMMM\u306b\u3054\u76f8\u8ac7\u4e0b\u3055\u3044\u307e\u305b\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u306fJava\u3067\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u66f8\u3044\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u4e0b\u689d\u3067\u3059\u3002\u81ea\u5206\u306e\u4e2d\u3067\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baJava\u71b1\u304c\u4e0a\u304c\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u306a\u306e\u3067\u3001Java\u306e\u8a71\u984c\u3067\u3082\u3044\u3044\u3093\u3067\u3059\u3051\u3069\u3001\u3067\u3082\u50d5\u306fRails\u3002 Ruby on Rails\u3067\u7c21\u5358\u306b\u7ba1\u7406\u753b\u9762\u3092\u4f5c\u308a\u305f\u3044\u3068\u304d\u306b\u4f7f\u3048\u308bgem\u3067\u3042\u308bActiveAdmin\u3002\u7ba1\u7406\u753b\u9762\u306f\u4e00\u822c\u7684\u306b\u3042\u307e\u308a\u898b\u305f\u76ee\u306e\u7d20\u6575\u3055\u306f\u8981\u6c42\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3001ActiveAdmin\u3067\u3042\u308b\u7a0b\u5ea6\u306e\u30ec\u30d9\u30eb\u306e\u7ba1\u7406\u753b\u9762\u304c\u7c21\u5358\u306b [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":684,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[42],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts\/150"}],"collection":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/comments?post=150"}],"version-history":[{"count":1,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts\/150\/revisions"}],"predecessor-version":[{"id":3328,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts\/150\/revisions\/3328"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/media?parent=150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/categories?post=150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/tags?post=150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}