{"id":25483,"date":"2016-10-20T11:00:18","date_gmt":"2016-10-20T11:00:18","guid":{"rendered":"https:\/\/dev.railscarma.com\/active-admin\/"},"modified":"2024-01-10T13:03:01","modified_gmt":"2024-01-10T13:03:01","slug":"active-admin","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/active-admin\/","title":{"rendered":"\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7ba1\u7406\u8005"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"25483\" class=\"elementor elementor-25483\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-63bb0af9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"63bb0af9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e80793\" data-id=\"7e80793\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-51968f9b elementor-widget elementor-widget-text-editor\" data-id=\"51968f9b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u7ba1\u7406\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5171\u901a\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002 Rails \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u3001Active Admin \u3068\u547c\u3070\u308c\u308b gem \u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u307e\u3067\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6700\u521d\u304b\u3089\u7c21\u5358\u306b\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u5c0e\u5165<\/strong><br>\n\u3059\u3079\u3066\u306e\u7ba1\u7406\u30bf\u30b9\u30af\u3092\u7ba1\u7406\u3067\u304d\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u7f8e\u3057\u3044\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u4f5c\u6210\u3055\u308c\u3001\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u8a2d\u5b9a\u65b9\u6cd5\u306f?<\/strong><\/p>\n<p>First I will be creating three modules for my Rails 5 application.<\/p>\n<p>Artist, Producer and Movie<\/p>\n<pre><code>\u95a2\u4fc2: \u30a2\u30fc\u30c6\u30a3\u30b9\u30c8.rb \u304c\u591a\u6570 :\u6620\u753b\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc.rb \u304c\u591a\u6570 :\u6620\u753b\u6620\u753b.rb \u6240\u5c5e :\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8\u6240\u5c5e :\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\n<\/code><\/pre>\n<p>activeadmin \u3092 gemfile \u306b\u8ffd\u52a0\u3057\u3001\u30d0\u30f3\u30c9\u30eb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code>gem &#039;devise&#039; gem &#039;activeadmin&#039;\u3001github: &#039;activeadmin&#039; \u30d0\u30f3\u30c9\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/code><\/pre>\n<p>Rails 5 \u306b\u306f\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u306e\u3042\u308b\u4f9d\u5b58\u95a2\u4fc2\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e gem \u3092 gemfile \u306b\u8ffd\u52a0\u3057\u3001\u30d0\u30f3\u30c9\u30eb \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u518d\u5ea6\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre><code>gem &#039;inherited_resources&#039;\u3001github: &#039;activeadmin\/inherited_resources&#039;<\/code><\/pre>\n<p>\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u3092\u5b9f\u884c\u3057\u3066\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7ba1\u7406\u8005\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u7ba1\u7406\u30d5\u30a1\u30a4\u30eb\u304c app\/admin \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4e0b\u306b\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7ba1\u7406\u8005\u304c\u8a8d\u8a3c\u306b\u4f7f\u7528\u3059\u308b\u30c7\u30d0\u30a4\u30b9 gem\u3002<\/p>\n<pre><code>Rails g active_admin:install<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u3044\u304f\u3064\u304b\u306e\u8a2d\u5b9a\u3092\u624b\u52d5\u3067\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u7aef\u672b\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>ActiveAdmin\u8a8d\u8a3c<\/strong><\/p>\n<p>Requires two settings to authenticate and use current user in the application.<\/p>\n<p>To force controller methods to authenticate<\/p>\n<pre><code>config.authentication_method = :authenticate_admin_user!<\/code><\/pre>\n<p>\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f<\/p>\n<pre><code>config.current_user_method = :current_admin_user<\/code><\/pre>\n<p>Both above settings can be set to false to turn off authentication.<\/p>\n<p>Start the rails server and navigate to the <a href=\"http:\/\/localhost:3000\/admin\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/localhost:3000\/admin<\/a>\u3002\u6b21\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>\u30e6\u30fc\u30b6\u30fc\u540d: admin@example.com \u30d1\u30b9\u30ef\u30fc\u30c9: \u30d1\u30b9\u30ef\u30fc\u30c9<\/code><\/pre>\n<p><a href=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2024\/01\/active-admin-.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-25484\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2024\/01\/active-admin-.png\" alt=\"active-admin\" width=\"1368\" height=\"768\"><\/a><\/p>\n<p>\u30ed\u30b0\u30a4\u30f3\u306b\u6210\u529f\u3059\u308b\u3068\u3001\u7ba1\u7406\u8005\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30c8\u30c3\u30d7\u30e1\u30cb\u30e5\u30fc\u306b\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u7ba1\u7406\u8005\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30e2\u30c7\u30eb\u306e\u30ea\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u73fe\u6642\u70b9\u3067\u306f\u3001\u30e2\u30c7\u30eb AdminUser \u306f 1 \u3064\u3060\u3051\u3067\u3059\u3002\u3053\u3053\u3067\u7ba1\u7406\u8005\u60c5\u5831\u3092\u4f5c\u6210\u307e\u305f\u306f\u7de8\u96c6\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30d3\u30e5\u30fc\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/strong><br>\n\u3053\u3053\u3067\u306f\u3001\u30e2\u30c7\u30eb\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7ba1\u7406\u8005\u306b\u767b\u9332\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre><code>Rails \u306f active_admin:resource \u3092\u751f\u6210\u3057\u307e\u3059\u3002 \u30a2\u30fc\u30c6\u30a3\u30b9\u30c8 Rails \u306f active_admin:resource \u3092\u751f\u6210\u3057\u307e\u3059\u3002 \u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc Rails \u306f active_admin:resource \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/code><\/pre>\n<p>\u305d\u306e\u524d\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code>Seeds.rb a1 = \u30a2\u30fc\u30c6\u30a3\u30b9\u30c8.create!(\u540d\u524d: &#039;\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8-1&#039;) a2 = \u30a2\u30fc\u30c6\u30a3\u30b9\u30c8.\u4f5c\u6210!(\u540d\u524d: &#039;\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8-2&#039;) p1 = \u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc.\u4f5c\u6210!(\u540d\u524d: &#039;\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc-1&#039;) p2 = Producer.create!(name: &#039;Producer-2&#039;) Movie.create!(name: &#039;movie-1&#039;\u3001\u30ea\u30ea\u30fc\u30b9\u5e74: 2014\u3001\u76e3\u7763: &#039;director-1&#039;\u3001\u8aac\u660e: &#039;Lorem Ipsum \u306f\u5358\u306b\u5370\u5237\u306e\u30c0\u30df\u30fc \u30c6\u30ad\u30b9\u30c8\u3067\u3059\u3068\u690d\u5b57\u696d\u754c\u3002\u300d\u3001\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8: a1\u3001\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc: p1)\n<\/code><\/pre>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4e0a\u306b\u30b7\u30fc\u30c9\u304c\u8868\u793a\u3055\u308c\u3001\u30c7\u30fc\u30bf\u3092\u7de8\u96c6\u304a\u3088\u3073\u524a\u9664\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/strong><\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30e1\u30cb\u30e5\u30fc\u3067\u4e0d\u8981\u306a\u5834\u5408\u306f\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>ActiveAdmin.register Movie do \u30e1\u30cb\u30e5\u30fc false end<\/code><\/pre>\n<p>\u30e1\u30cb\u30e5\u30fc \u30e9\u30d9\u30eb\u306e\u540d\u524d\u3092\u5fc5\u8981\u306a\u30e9\u30d9\u30eb\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<pre><code>ActiveAdmin.register Movie do \u30e1\u30cb\u30e5\u30fc \u30e9\u30d9\u30eb: &#039;\u6620\u753b\u306e\u30ea\u30b9\u30c8&#039; \u7d42\u4e86<\/code><\/pre>\n<p>\u30e1\u30cb\u30e5\u30fc\u306e\u512a\u5148\u9806\u4f4d\u306f\u6b21\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>ActiveAdmin.register \u30e0\u30fc\u30d3\u30fc\u5b9f\u884c\u30e1\u30cb\u30e5\u30fc\u306e\u512a\u5148\u9806\u4f4d: 4 \u7d42\u4e86<\/code><\/pre>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u5217\u304c\u8868\u793a\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u8868\u793a\u306b\u4f7f\u7528\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u5fc5\u8981\u306a\u5217\u3092\u30ea\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001admin\/movie.rb \u304b\u3089\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u5217\u3092\u524a\u9664\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre><code>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9 do \u5217 :name \u5217 :description \u5217 :\u30ea\u30ea\u30fc\u30b9\u5e74 \u5217 :\u30c7\u30a3\u30ec\u30af\u30bf\u30fc \u5217 :\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc \u5217 :\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8 \u30a2\u30af\u30b7\u30e7\u30f3 \u7d42\u4e86<\/code><\/pre>\n<p>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u524d\u306b\u5217\u540d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5217\u540d\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>\u5217\u300c\u540d\u300d\u3001:name<\/code><\/pre>\n<p>\u30da\u30fc\u30b8\u306e\u53f3\u5074\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7ba1\u7406\u8005\u306fbelongs_to\u95a2\u4fc2\u3092\u691c\u51fa\u3057\u307e\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002&nbsp;<\/p>\n<pre><code>\u30d5\u30a3\u30eb\u30bf\u30fc:\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u3001:as =&gt; :check_boxes<\/code><\/pre>\n<pre><code>\u30d5\u30a3\u30eb\u30bf\u30fc :artist, :as =&gt; :check_boxes<\/code><\/pre>\n<p><strong><br>\nCSV\u30ab\u30b9\u30bf\u30de\u30a4\u30ba <\/strong><\/p>\n<p>dafult \u30a2\u30af\u30c6\u30a3\u30d6\u7ba1\u7406\u8005\u306f\u3001\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u5217\u3092 csv \u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001CSV \u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u3066\u5fc5\u8981\u306a\u5217\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>ActiveAdmin.register Movie do csv Force_quotes: true\u3001col_sep: &#039;;&#039;\u3001column_names: false do column :name column(:artist) { |movie|\u6620\u753b.\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8 } \u30b3\u30e9\u30e0(:\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc) { |\u6620\u753b| movie.\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc } \u7d42\u4e86 \u7d42\u4e86<\/code><\/pre>\n<p><strong>\u30b0\u30ed\u30fc\u30d0\u30eb\u3067\u3082 CSV \u306e\u8a2d\u5b9a\u3092\u69cb\u6210\u3067\u304d\u307e\u3059<\/strong><\/p>\n<pre><code># config\/initializers\/active_admin.rb<\/code><\/pre>\n<p># CSV \u30d3\u30eb\u30c0\u30fc\u533a\u5207\u308a\u6587\u5b57\u3092\u8a2d\u5b9a\u3057\u307e\u3059<\/p>\n<pre><code>config.csv_options = {col_sep: &#039;;&#039; }<\/code><\/pre>\n<p># \u5f15\u7528\u7b26\u306e\u4f7f\u7528\u3092\u5f37\u5236\u3059\u308b<\/p>\n<pre><code>config.csv_options = {force_quotes: true }<\/code><\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4e0c81f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4e0c81f6\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4a1fe38b\" data-id=\"4a1fe38b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-471440a0 elementor-widget elementor-widget-heading\" data-id=\"471440a0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u6700\u65b0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u8cfc\u8aad\u3059\u308b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7870d05c elementor-widget elementor-widget-shortcode\" data-id=\"7870d05c\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n                            var element = document.getElementsByClassName('sib-default-btn');\n                            var countInvisible = 0;\n                            var indexArray = [];\n                            jQuery('.sib-default-btn').each(function (index, el) {\n                                if ((jQuery(el).attr('id') == \"invisible\")) {\n                                    indexArray[countInvisible] = index;\n                                    countInvisible++\n                                }\n                            });\n\n                            jQuery('.invi-recaptcha').each(function (index, el) {\n                                grecaptcha.render(element[indexArray[index]], {\n                                    'sitekey': jQuery(el).attr('data-sitekey'),\n                                    'callback': sibVerifyCallback,\n                                });\n                            });\n                        };\n\t\t\t\t\t<\/script>\n\t\t\t\t\t                <script src=\"https:\/\/www.google.com\/recaptcha\/api.js?onload=onloadSibCallbackInvisible&render=explicit\" async defer><\/script>\n\t\t\t\t\n\t\t\t<form id=\"sib_signup_form_1\" method=\"post\" class=\"sib_signup_form\" action=\"\">\n\t\t\t\t<div class=\"sib_loader\" style=\"display:none;\"><img\n\t\t\t\t\t\t\tsrc=\"https:\/\/www.railscarma.com\/wp-includes\/images\/spinner.gif\" alt=\"\u30ed\u30fc\u30c0\"><\/div>\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_action\" value=\"subscribe_form_submit\">\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_id\" value=\"1\">\n                <input type=\"hidden\" name=\"sib_form_alert_notice\" value=\"Please fill out this field\">\n                <input type=\"hidden\" name=\"sib_form_invalid_email_notice\" value=\"Your email address is invalid\">\n                <input type=\"hidden\" name=\"sib_security\" value=\"a6180fbcb4\">\n\t\t\t\t<div class=\"sib_signup_box_inside_1\">\n\t\t\t\t\t<div style=\"\/*display:none*\/\" class=\"sib_msg_disp\">\n\t\t\t\t\t<\/div>\n                                            <div id=\"sib_captcha_invisible\" class=\"invi-recaptcha\" data-sitekey=\"6LdikOAaAAAAAJ6SWrrKVQrtw7TQpQAEnv0HS0G3\"><\/div>\n                    \t\t\t\t\t<p class=\"sib-email-area\">\r\n    <label class=\"sib-email-area\"><\/label>\r\n    <input type=\"email\" class=\"sib-email-area\" name=\"email\" required=\"required\" placeholder=\"\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\">\r\n<\/p>\r\n<p class=\"sib-NAME-area\">\r\n    <label class=\"sib-NAME-area\"><\/label>\r\n    <input type=\"text\" class=\"sib-NAME-area\" name=\"NAME\" placeholder=\"\u540d\u524d\">\r\n<\/p>\r\n<p>\r\n    <input type=\"submit\" id=\"invisible\" class=\"sib-default-btn\" value=\"\u8cfc\u8aad\u3059\u308b\">\r\n<\/p>\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"ja\"\/><\/form>\n\t\t\t<style>\n\t\t\t\tform#sib_signup_form_1 p.sib-alert-message {\n    padding: 6px 12px;\n    margin-bottom: 20px;\n    border: 1px solid transparent;\n    border-radius: 4px;\n    -webkit-box-sizing: border-box;\n    -moz-box-sizing: border-box;\n    box-sizing: border-box;\n}\nform#sib_signup_form_1 p.sib-alert-message-error {\n    background-color: #f2dede;\n    border-color: #ebccd1;\n    color: #a94442;\n}\nform#sib_signup_form_1 p.sib-alert-message-success {\n    background-color: #dff0d8;\n    border-color: #d6e9c6;\n    color: #3c763d;\n}\nform#sib_signup_form_1 p.sib-alert-message-warning {\n    background-color: #fcf8e3;\n    border-color: #faebcc;\n    color: #8a6d3b;\n}\n\t\t\t<\/style>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t  <div class=\"related-post slider\">\r\n        <div class=\"headline\">\u95a2\u9023\u8a18\u4e8b<\/div>\r\n    <div class=\"post-list owl-carousel\">\r\n\r\n            <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/%e3%82%ab%e3%83%9f%e3%83%8a%e3%83%aa%e3%82%b8%e3%82%a7%e3%83%a0\/?related_post_from=37277\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/%e3%82%ab%e3%83%9f%e3%83%8a%e3%83%aa%e3%82%b8%e3%82%a7%e3%83%a0\/?related_post_from=37277\">\r\n        \u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/why-to-hire-ruby-on-rails-developers\/?related_post_from=30627\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"2022 \u5e74\u306b Ruby on Rails \u958b\u767a\u8005\u3092\u96c7\u7528\u3059\u308b\u7406\u7531\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/why-to-hire-ruby-on-rails-developers\/?related_post_from=30627\">\r\n        \u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/%e3%82%a8%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%97%e3%83%a9%e3%82%a4%e3%82%ba%e3%83%bb%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e9%96%8b%e7%99%ba%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%82%bd\/?related_post_from=36250\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/%e3%82%a8%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%97%e3%83%a9%e3%82%a4%e3%82%ba%e3%83%bb%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e9%96%8b%e7%99%ba%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%82%bd\/?related_post_from=36250\">\r\n        \u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"Ruby IDE: Ruby on Rails \u958b\u767a\u306b\u6700\u9069\u306a IDE\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/ruby-ide-ruby-on-rails-%e9%96%8b%e7%99%ba%e3%81%ab%e6%9c%80%e9%81%a9%e3%81%aa%e3%82%a2%e3%82%a4%e3%83%87%e3%82%a2\/?related_post_from=36125\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/01\/BEST-IDES-FOR-RUBY-ON-RAILS-DEVELOPMENT.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Ruby on Rails \u958b\u767a\u306b\u6700\u9069\u306a\u30a2\u30a4\u30c7\u30a2\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/01\/BEST-IDES-FOR-RUBY-ON-RAILS-DEVELOPMENT.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/01\/BEST-IDES-FOR-RUBY-ON-RAILS-DEVELOPMENT-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/01\/BEST-IDES-FOR-RUBY-ON-RAILS-DEVELOPMENT-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"Ruby IDE: Ruby on Rails \u958b\u767a\u306b\u6700\u9069\u306a IDE\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/ruby-ide-ruby-on-rails-%e9%96%8b%e7%99%ba%e3%81%ab%e6%9c%80%e9%81%a9%e3%81%aa%e3%82%a2%e3%82%a4%e3%83%87%e3%82%a2\/?related_post_from=36125\">\r\n        Ruby IDE: Ruby on Rails \u958b\u767a\u306b\u6700\u9069\u306a IDE  <\/a>\r\n\r\n        <\/div>\r\n      \r\n  <\/div>\r\n\r\n  <script>\r\n      <\/script>\r\n  <style>\r\n    .related-post {}\r\n\r\n    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\u3059\u3079\u3066\u306e\u7ba1\u7406\u30bf\u30b9\u30af\u3092\u7ba1\u7406\u3067\u304d\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u7f8e\u3057\u3044\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u4f5c\u6210\u3055\u308c\u3001\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u8a2d\u5b9a\u65b9\u6cd5\u306f?\u307e\u305a\u3001Rails 5 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306b 3 \u3064\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8\u3001\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u3001\u6620\u753b\u306e\u95a2\u4fc2:artist.rb has_many :movies\u751f\u7523\u8005.rb has_many :movies movie.rbelves_to :artistowned_to :Producer activeadmin \u3092 gemfile \u306b\u8ffd\u52a0\u3057\u3066\u30d0\u30f3\u30c9\u30eb\u3092\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u2026<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/how-to-build-a-scalable-saas-platform-using-ruby-on-rails\/\"> <span class=\"screen-reader-text\">Ruby on Rails\u3092\u4f7f\u3063\u3066\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306aSaaS\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5<\/span> \u3082\u3063\u3068\u8aad\u3080 \"<\/a><\/p>","protected":false},"author":1,"featured_media":31842,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[384],"tags":[],"class_list":["post-25483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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