{"id":29670,"date":"2023-07-08T01:59:50","date_gmt":"2023-07-07T22:29:50","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/"},"modified":"2023-07-08T01:59:50","modified_gmt":"2023-07-07T22:29:50","slug":"how-to-add-concern-in-ruby-on-rails-3en9","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/","title":{"rendered":"\u0686\u06af\u0648\u0646\u0647 \u0646\u06af\u0631\u0627\u0646\u06cc \u0631\u0627 \u062f\u0631 Ruby on Rails \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645\u061f"},"content":{"rendered":"<div data-article-id=\"1529425\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D8%A8%D8%B1%D8%B1%D8%B3%DB%8C_%D8%A7%D8%AC%D9%85%D8%A7%D9%84%DB%8C\" >\u0628\u0631\u0631\u0633\u06cc \u0627\u062c\u0645\u0627\u0644\u06cc:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D8%AA%D8%B9%D8%B1%DB%8C%D9%81\" >\u062a\u0639\u0631\u06cc\u0641:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D9%BE%DB%8C%D8%A7%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\" >\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D9%85%D8%AF%D9%88%D9%84\" >\u0645\u062f\u0648\u0644<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#ActiveSupport_%D8%B1%D9%88%D8%B4_%D9%87%D8%A7%DB%8C_%D9%86%DA%AF%D8%B1%D8%A7%D9%86%DB%8C\" >ActiveSupport::\u0631\u0648\u0634 \u0647\u0627\u06cc \u0646\u06af\u0631\u0627\u0646\u06cc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D9%85%D8%AB%D8%A7%D9%84_1_%D8%AA%D9%88%D8%B6%DB%8C%D8%AD%D8%A7%D8%AA_%DA%A9%D8%A7%D9%85%D9%84\" >\u0645\u062b\u0627\u0644 1: \u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u06a9\u0627\u0645\u0644.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D9%85%D8%AB%D8%A7%D9%84_2_UUID\" >\u0645\u062b\u0627\u0644 2: UUID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D9%85%D8%AB%D8%A7%D9%84_3_Predicate_Methods\" >\u0645\u062b\u0627\u0644 3: Predicate Methods<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/how-to-add-concern-in-ruby-on-rails-3en9\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A8%D8%B1%D8%B1%D8%B3%DB%8C_%D8%A7%D8%AC%D9%85%D8%A7%D9%84%DB%8C\"><\/span>\n<p>  \u0628\u0631\u0631\u0633\u06cc \u0627\u062c\u0645\u0627\u0644\u06cc:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645 <code>ActiveSupport::Concern<\/code>.  \u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0631\u062f\u0627\u062e\u062a \u06a9\u0647 \u0686\u06cc\u0633\u062a\u060c \u0686\u0631\u0627 \u0628\u0647 \u0622\u0646 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062d\u0644 \u06a9\u0646\u062f.  \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.  \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc \u0622\u0646\u060c \u0633\u0647 \u0645\u062b\u0627\u0644 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u06cc\u0645.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AA%D8%B9%D8%B1%DB%8C%D9%81\"><\/span>\n<p>  \u062a\u0639\u0631\u06cc\u0641:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0647 \u0632\u0628\u0627\u0646 \u0633\u0627\u062f\u0647\u060c <code>Concern<\/code> \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0645\u0646\u0637\u0642 \u0645\u0634\u062a\u0631\u06a9 \u0631\u0627 \u0627\u0632 \u0645\u062f\u0644 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062f\u0631 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u062f.  \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u067e\u0631\u0633\u06cc\u062f\u060c &#8220;\u0686\u0631\u0627 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0641\u0642\u0637 \u0627\u0632 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f \u0686\u0631\u0627 \u0628\u0627\u06cc\u062f \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0631\u06cc \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645\u061f&#8221;  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062a\u0641\u0627\u0648\u062a \u0647\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f: \u0627\u0633\u0627\u0633\u0627\u060c <code>Concern<\/code> \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0645\u0639\u0645\u0648\u0644\u06cc \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f <code>ActiveRecord<\/code> \u0631\u0641\u062a\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631 \u0631\u0648\u06cc \u0645\u062f\u0644 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0628\u0631\u0627\u06cc \u06a9\u067e\u0633\u0648\u0644\u0647 \u0633\u0627\u0632\u06cc \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u0645 <code>ActiveRecord<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627.<\/p>\n<p><strong>\u0645\u0632\u0627\u06cc\u0627\u06cc:<\/strong><\/p>\n<ul>\n<li>\n<strong>\u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u06a9\u062f:<\/strong> ActiveSupport Concern \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u0627 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0645\u0646\u0637\u0642 \u0645\u0634\u062a\u0631\u06a9 \u062f\u0631 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f\u060c \u0627\u0632 \u0627\u0635\u0644 DRY \u067e\u06cc\u0631\u0648\u06cc \u06a9\u0646\u06cc\u0645.<\/li>\n<\/ul>\n<p><strong>\u0686\u0627\u0644\u0634 \u0647\u0627 \u0648 \u0645\u0633\u0627\u0626\u0644:<\/strong><\/p>\n<ul>\n<li>\n<strong>\u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647:<\/strong> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0627\u0632 \u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0634\u0628\u06a9\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u06cc \u0627\u0632 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627 \u0634\u0648\u062f \u06a9\u0647 \u062f\u0631\u06a9 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u06a9\u062f \u0631\u0627 \u0633\u062e\u062a \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\n<strong>\u0645\u0634\u06a9\u0644 \u062f\u0631 \u062c\u0633\u062a\u062c\u0648\u06cc \u06a9\u062f:<\/strong> \u06cc\u0627\u0641\u062a\u0646 \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0631\u0641\u062a\u0627\u0631 \u06cc\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u062e\u0627\u0635 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0645\u0627\u0647\u06cc\u062a \u067e\u0631\u0627\u06a9\u0646\u062f\u0647 \u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632\u062a\u0631 \u0628\u0627\u0634\u062f.<\/li>\n<\/ul>\n<p>\u062f\u0631 \u0627\u0635\u0644\u060c \u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0627\u062c\u0632\u0627\u06cc \u0641\u0646\u06cc \u0645\u0646\u0627\u0633\u0628 \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f:<\/p>\n<ul>\n<li>\u0627\u0641\u0632\u0648\u062f\u0646 \u06a9\u0645\u06a9 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u0641\u0627\u06cc\u0644 \u0628\u0631\u0627\u06cc \u062a\u0633\u0647\u06cc\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0641\u0627\u06cc\u0644 \u0647\u0627 \u0628\u0627 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0648\u0627\u0636\u062d.<\/li>\n<li>\u0627\u06cc\u062c\u0627\u062f \u067e\u0648\u0634\u0634\u200c\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0648\u062c\u0648\u062f \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0648\u0636\u0648\u062d \u0631\u0627\u0628\u0637.<\/li>\n<li>\u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0641\u0646\u06cc \u0645\u0627\u0646\u0646\u062f \u0631\u062f\u06cc\u0627\u0628\u06cc \u062a\u0627\u0631\u06cc\u062e\u0686\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a\u060c \u0648\u0631\u0648\u062f \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0648 \u0645\u0648\u0627\u0631\u062f \u062f\u06cc\u06af\u0631.<\/li>\n<li>\u0648 \u063a\u06cc\u0631\u0647&#8230;<\/li>\n<\/ul>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u0646\u0637\u0642 \u062a\u062c\u0627\u0631\u06cc \u0645\u0646\u0627\u0633\u0628 \u0646\u06cc\u0633\u062a\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%BE%DB%8C%D8%A7%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0628\u062e\u0634 \u0628\u0639\u062f\u06cc\u060c \u0639\u0646\u0627\u0635\u0631 \u06a9\u0644\u06cc\u062f\u06cc \u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627 \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.  \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0646\u06af\u0631\u0627\u0646\u06cc\u200c\u0647\u0627\u060c \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u0628\u062f\u0627\u0646\u06cc\u0645 \u06a9\u0647 \u0645\u0627\u0698\u0648\u0644 \u0686\u06cc\u0633\u062a \u0648 \u0686\u06cc\u0633\u062a <code>included<\/code> \u0648 <code>class_methods<\/code> \u0631\u0648\u0634 \u0647\u0627 \u0627\u0632 <code>ActiveSupport::Concern<\/code>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%AF%D9%88%D9%84\"><\/span>\n<p>  \u0645\u062f\u0648\u0644<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u062f\u0631 Ruby \u0645\u062d\u0641\u0638\u0647\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637\u060c \u062b\u0627\u0628\u062a\u200c\u0647\u0627 \u0648 \u0633\u0627\u06cc\u0631 \u062a\u0639\u0627\u0631\u06cc\u0641 \u0645\u0627\u0698\u0648\u0644 \u06cc\u0627 \u06a9\u0644\u0627\u0633 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f.  \u0627\u06cc\u0646 \u0631\u0648\u0634\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u0632\u0645\u0627\u0646\u062f\u0647\u06cc \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u062c\u062f\u062f \u06a9\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062f\u0648\u0644\u0627\u0631 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.  \u0648 \u0421oncern \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0627\u0633\u062a\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0628\u062f\u0627\u0646\u06cc\u0645 \u0686\u06af\u0648\u0646\u0647 \u0622\u0646 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/concern_sample.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">ConcernSample<\/span>\n  <span class=\"k\">def<\/span> <span class=\"nf\">hello_world<\/span>\n    <span class=\"nb\">puts<\/span> <span class=\"s1\">'Hello World!'<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"ActiveSupport_%D8%B1%D9%88%D8%B4_%D9%87%D8%A7%DB%8C_%D9%86%DA%AF%D8%B1%D8%A7%D9%86%DB%8C\"><\/span>\n<p>  ActiveSupport::\u0631\u0648\u0634 \u0647\u0627\u06cc \u0646\u06af\u0631\u0627\u0646\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u062a\u0641\u0627\u0648\u062a \u0627\u0635\u0644\u06cc \u0628\u06cc\u0646 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0633\u0627\u062f\u0647 \u0631\u0648\u0628\u06cc \u0648 \u06cc\u06a9 \u0646\u06af\u0631\u0627\u0646\u06cc \u0686\u06cc\u0633\u062a\u061f  \u062a\u0641\u0627\u0648\u062a \u0647\u0627\u06cc \u0627\u0635\u0644\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0648\u0642\u062a\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0634\u0627\u0645\u0644 \u0645\u06cc \u0634\u0648\u062f <code>ActiveSupport::Concern<\/code> \u062f\u0631 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644\u060c \u062f\u0648 \u0631\u0648\u0634 \u062c\u062f\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0645\u0627 \u0631\u0627 \u0642\u0627\u062f\u0631 \u0645\u06cc \u0633\u0627\u0632\u062f \u0645\u0646\u0637\u0642 Active Record \u0631\u0627 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u0645\u0627\u0698\u0648\u0644 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 \u0633\u0637\u062d \u0645\u062f\u0644 \u0645\u062c\u062f\u062f\u0627\u064b \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.  \u0645\u062b\u0644\u0627:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/concern_sample.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">ConcernSample<\/span>\n  <span class=\"kp\">extend<\/span> <span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Concern<\/span>\n\n  <span class=\"n\">included<\/span> <span class=\"k\">do<\/span>\n    <span class=\"c1\"># Define class methods here<\/span>\n    <span class=\"k\">def<\/span> <span class=\"nc\">self<\/span><span class=\"o\">.<\/span><span class=\"nf\">my_class_method<\/span>\n      <span class=\"c1\"># Class method logic<\/span>\n    <span class=\"k\">end<\/span>\n\n    <span class=\"c1\"># Define instance methods here<\/span>\n    <span class=\"k\">def<\/span> <span class=\"nf\">my_instance_method<\/span>\n      <span class=\"c1\"># Instance method logic<\/span>\n    <span class=\"k\">end<\/span>\n\n    <span class=\"c1\"># Define associations here<\/span>\n    <span class=\"n\">has_many<\/span> <span class=\"ss\">:comments<\/span>\n    <span class=\"n\">belongs_to<\/span> <span class=\"ss\">:category<\/span>\n\n    <span class=\"c1\"># Define validations here<\/span>\n    <span class=\"n\">validates_presence_of<\/span> <span class=\"ss\">:name<\/span>\n    <span class=\"n\">validates_uniqueness_of<\/span> <span class=\"ss\">:email<\/span>\n\n    <span class=\"c1\"># Define callbacks here<\/span>\n    <span class=\"n\">before_save<\/span> <span class=\"ss\">:do_something<\/span>\n    <span class=\"n\">after_create<\/span> <span class=\"ss\">:do_something_else<\/span>\n\n    <span class=\"c1\"># Define scopes here<\/span>\n    <span class=\"n\">scope<\/span> <span class=\"ss\">:active<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"p\">{<\/span> <span class=\"n\">where<\/span><span class=\"p\">(<\/span><span class=\"ss\">active: <\/span><span class=\"kp\">true<\/span><span class=\"p\">)<\/span> <span class=\"p\">}<\/span>\n    <span class=\"n\">scope<\/span> <span class=\"ss\">:recent<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"p\">{<\/span> <span class=\"n\">order<\/span><span class=\"p\">(<\/span><span class=\"ss\">created_at: :desc<\/span><span class=\"p\">)<\/span> <span class=\"p\">}<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0645\u062a\u062f\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u062e\u0648\u062f \u06a9\u0644\u0627\u0633 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0634\u0648\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/concern_sample.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">ConcernSample<\/span>\n  <span class=\"kp\">extend<\/span> <span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Concern<\/span>\n\n  <span class=\"n\">class_methods<\/span> <span class=\"k\">do<\/span>\n    <span class=\"k\">def<\/span> <span class=\"nf\">my_class_method<\/span>\n      <span class=\"c1\"># Class method logic<\/span>\n    <span class=\"k\">end<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0633\u0647 \u0645\u062b\u0627\u0644 \u0631\u0627 \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631 \u0627\u06cc\u0646 \u0645\u0641\u0647\u0648\u0645 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u0645.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_1_%D8%AA%D9%88%D8%B6%DB%8C%D8%AD%D8%A7%D8%AA_%DA%A9%D8%A7%D9%85%D9%84\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 1: \u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u06a9\u0627\u0645\u0644.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u0627\u0648\u0644\u060c \u0645\u0627 \u06cc\u06a9 \u0633\u0646\u0627\u0631\u06cc\u0648\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0627\u0633\u0627\u0633\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0646 \u062f\u0631\u06a9 \u062f\u0631\u0633\u062a\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0648\u0627\u0642\u0639\u06cc \u0622\u0646 \u062f\u0631 \u0646\u0638\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06af\u0631\u0641\u062a.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u062f\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0627\u0631\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/animal.rb<\/span>\n\n<span class=\"k\">class<\/span> <span class=\"nc\">Animal<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ApplicationRecord<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0633\u067e\u0633 \u062a\u0635\u0645\u06cc\u0645 \u06af\u0631\u0641\u062a\u06cc\u0645 \u0631\u0648\u0634\u06cc \u0631\u0627 \u0628\u0647 \u0645\u062f\u0644 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0634\u0631\u062d \u06a9\u0627\u0645\u0644 \u0627\u06cc\u0646 \u062d\u06cc\u0648\u0627\u0646 \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/animal.rb<\/span>\n\n<span class=\"k\">class<\/span> <span class=\"nc\">Animal<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ApplicationRecord<\/span>\n  <span class=\"k\">def<\/span> <span class=\"nf\">full_description<\/span>\n    <span class=\"s2\">\"Name: <\/span><span class=\"si\">#{<\/span><span class=\"nb\">name<\/span><span class=\"si\">}<\/span><span class=\"s2\">. Kind: <\/span><span class=\"si\">#{<\/span><span class=\"n\">kind<\/span><span class=\"si\">}<\/span><span class=\"s2\">. Status: <\/span><span class=\"si\">#{<\/span><span class=\"n\">status<\/span><span class=\"si\">}<\/span><span class=\"s2\">.\"<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u062d\u0648\u0647 \u06a9\u0627\u0631 \u0622\u0646 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">first<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">full_description<\/span>\n<span class=\"c1\"># =&gt; \"Name: Simba. Kind: Cat. Status: Adopted\"<\/span>\n\n<span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">second<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">full_description<\/span>\n<span class=\"c1\"># =&gt; \"Name: Rocky. Kind: Rabbit. Status: Available\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u06cc\u0646 \u0645\u0646\u0637\u0642 \u0631\u0627 \u0628\u0647 \u0633\u0645\u062a \u0646\u06af\u0631\u0627\u0646\u06cc \u0633\u0648\u0642 \u062f\u0647\u06cc\u0645\u060c \u0628\u0627\u06cc\u062f \u0686\u0647 \u06a9\u0627\u0631 \u06a9\u0646\u06cc\u0645\u061f  \u0627\u0648\u0644 \u0627\u0632 \u0647\u0645\u0647\u060c \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0646\u06af\u0631\u0627\u0646\u06cc \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/full_description.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">FullDescription<\/span>\n  <span class=\"k\">def<\/span> <span class=\"nf\">full_description<\/span>\n    <span class=\"s2\">\"Name: <\/span><span class=\"si\">#{<\/span><span class=\"nb\">name<\/span><span class=\"si\">}<\/span><span class=\"s2\">. Kind: <\/span><span class=\"si\">#{<\/span><span class=\"n\">kind<\/span><span class=\"si\">}<\/span><span class=\"s2\">. Status: <\/span><span class=\"si\">#{<\/span><span class=\"n\">status<\/span><span class=\"si\">}<\/span><span class=\"s2\">\"<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0648 \u0627\u06cc\u0646 \u0646\u06af\u0631\u0627\u0646\u06cc \u0631\u0627 \u062f\u0631 \u0633\u0637\u062d \u0645\u062f\u0644 \u0644\u062d\u0627\u0638 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/animal.rb<\/span>\n\n<span class=\"k\">class<\/span> <span class=\"nc\">Animal<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ApplicationRecord<\/span>\n  <span class=\"kp\">include<\/span> <span class=\"no\">FullDescription<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0647\u0645\u0627\u0646 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0647\u0646\u0648\u0632 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">first<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">full_description<\/span>\n<span class=\"c1\"># =&gt; \"Name: Simba. Kind: Cat. Status: Adopted\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0645\u0627 \u062f\u0631\u062c \u0646\u06a9\u0631\u062f\u06cc\u0645 <code>ActiveSupport::Concern<\/code> \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u0628\u0631\u062c\u0633\u062a\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0631\u0648\u0634 \u0647\u0627\u06cc \u0633\u0627\u062f\u0647 \u0628\u062f\u0648\u0646 <code>ActiveRecord<\/code> \u0645\u0646\u0637\u0642\u06cc \u0627\u0633\u062a\u060c \u0647\u0646\u0648\u0632 \u0647\u0645 \u062e\u0648\u0628 \u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0628\u0627 \u0622\u0646 \u0646\u06cc\u0632 \u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f <code>ActiveSupport::Concern<\/code>:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/full_description.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">FullDescription<\/span>\n  <span class=\"kp\">extend<\/span> <span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Concern<\/span>\n\n  <span class=\"n\">included<\/span> <span class=\"k\">do<\/span>\n    <span class=\"k\">def<\/span> <span class=\"nf\">full_description<\/span>\n      <span class=\"s2\">\"Name: <\/span><span class=\"si\">#{<\/span><span class=\"nb\">name<\/span><span class=\"si\">}<\/span><span class=\"s2\">. Kind: <\/span><span class=\"si\">#{<\/span><span class=\"n\">kind<\/span><span class=\"si\">}<\/span><span class=\"s2\">. Status: <\/span><span class=\"si\">#{<\/span><span class=\"n\">status<\/span><span class=\"si\">}<\/span><span class=\"s2\">.\"<\/span>\n    <span class=\"k\">end<\/span>\n  <span class=\"k\">end<\/span>\n\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0645\u062b\u0644 \u0627\u06cc\u0646:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">first<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">full_description<\/span>\n<span class=\"c1\"># =&gt; \"Name: Simba. Kind: Cat. Status: Adopted.\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0648 \u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0645\u062a\u062f\u0647\u0627\u06cc \u06a9\u0644\u0627\u0633 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/full_description.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">FullDescription<\/span>\n  <span class=\"kp\">extend<\/span> <span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Concern<\/span>\n\n  <span class=\"n\">class_methods<\/span> <span class=\"k\">do<\/span>\n    <span class=\"k\">def<\/span> <span class=\"nf\">full_description<\/span>\n      <span class=\"n\">all<\/span><span class=\"p\">.<\/span><span class=\"nf\">map<\/span> <span class=\"p\">{<\/span> <span class=\"n\">_1<\/span><span class=\"p\">.<\/span><span class=\"nf\">full_description<\/span> <span class=\"p\">}.<\/span><span class=\"nf\">join<\/span><span class=\"p\">(<\/span><span class=\"s1\">' '<\/span><span class=\"p\">)<\/span>\n    <span class=\"k\">end<\/span>\n  <span class=\"k\">end<\/span>\n\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 <code>full_description<\/code> \u0631\u0648\u0634 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a <code>Animal<\/code> \u06a9\u0644\u0627\u0633:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">full_description<\/span>\n<span class=\"c1\"># =&gt; \"Name: Simba. Kind: Cat. Status: Adopted. Name: Rocky. Kind: Rabbit. Status: Available.\"<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_2_UUID\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 2: UUID<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u062f\u0648\u0645\u060c \u0646\u06af\u0631\u0627\u0646\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 UUID \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0631\u0627 \u0642\u0628\u0644 \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0648 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0647\u062f\u0641\u060c \u0646\u06af\u0631\u0627\u0646\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/uuid.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">UUID<\/span>\n  <span class=\"kp\">extend<\/span> <span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Concern<\/span>\n\n  <span class=\"n\">included<\/span> <span class=\"k\">do<\/span>\n    <span class=\"n\">before_create<\/span> <span class=\"ss\">:set_uuid<\/span>\n\n    <span class=\"kp\">private<\/span>\n\n    <span class=\"k\">def<\/span> <span class=\"nf\">set_uuid<\/span>\n      <span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nf\">uuid<\/span> <span class=\"o\">||=<\/span> <span class=\"no\">SecureRandom<\/span><span class=\"p\">.<\/span><span class=\"nf\">uuid<\/span>\n    <span class=\"k\">end<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0648 \u0645\u0627 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0633\u0637\u062d \u0645\u062f\u0644 \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/animal.rb<\/span>\n\n<span class=\"k\">class<\/span> <span class=\"nc\">Animal<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ApplicationRecord<\/span>\n  <span class=\"kp\">include<\/span> <span class=\"no\">UUID<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0633\u067e\u0633\u060c \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f Animal \u062c\u062f\u06cc\u062f \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c UUID \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0628\u0631\u0627\u06cc \u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">create<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">uuid<\/span>\n<span class=\"c1\"># =&gt; '7f934646-bc67-446c-920d-ca5415d28b94'<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>PS \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062e\u0641\u0641 UUID\u060c \u0628\u0627\u06cc\u062f \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0647 \u0622\u0646 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f <code>config\/initializers\/inflections.rb<\/code>:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># config\/initializers\/inflections.rb<\/span>\n\n<span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Inflector<\/span><span class=\"p\">.<\/span><span class=\"nf\">inflections<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">inflect<\/span><span class=\"o\">|<\/span>\n  <span class=\"n\">inflect<\/span><span class=\"p\">.<\/span><span class=\"nf\">acronym<\/span> <span class=\"s1\">'UUID'<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_3_Predicate_Methods\"><\/span>\n<p>  \u0645\u062b\u0627\u0644 3: Predicate Methods<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0622\u062e\u0631\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0646\u06af\u0631\u0627\u0646\u06cc \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u0645 \u06a9\u0647 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0631\u0627\u0628\u0637 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u06cc \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u062b\u0627\u0628\u062a\u06cc \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0648\u062c\u0648\u062f \u0633\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u06cc\u06a9 <code>animal<\/code> \u0631\u06a9\u0648\u0631\u062f \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 <code>status<\/code> \u0648\u06cc\u0698\u06af\u06cc \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0648\u062c\u0648\u062f \u0632\u06cc\u0631: <code>['available', 'adopted', 'pending']<\/code>\u060c \u0633\u067e\u0633 \u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0631\u0627\u0628\u0637 \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">create<\/span><span class=\"p\">(<\/span><span class=\"ss\">status: <\/span><span class=\"s1\">'available'<\/span><span class=\"p\">)<\/span>\n\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">available?<\/span>\n<span class=\"c1\"># =&gt; true<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">adopted?<\/span>\n<span class=\"c1\"># =&gt; false<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">pending?<\/span>\n<span class=\"c1\"># =&gt; false <\/span>\n\n<span class=\"c1\"># or with prexix<\/span>\n\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">status_available?<\/span>\n<span class=\"c1\"># =&gt; true<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">status_adopted?<\/span> \n<span class=\"c1\"># =&gt; flase<\/span>\n\n<span class=\"c1\"># etc ..<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0622\u0646 \u0686\u0647 \u06a9\u0627\u0631\u06cc \u0628\u0627\u06cc\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645\u061f  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0646\u06af\u0631\u0627\u0646\u06cc \u062c\u062f\u06cc\u062f \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 <code>PredicateMethods<\/code> \u0648 \u0631\u0648\u0634 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0645\u062f\u0644 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/animal.rb<\/span>\n\n<span class=\"k\">class<\/span> <span class=\"nc\">Animal<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ApplicationRecord<\/span>\n  <span class=\"kp\">include<\/span> <span class=\"no\">PredicateMethods<\/span>\n\n  <span class=\"n\">define_predicate_methods<\/span> <span class=\"ss\">attribute: :status<\/span><span class=\"p\">,<\/span>\n                           <span class=\"ss\">available_values: <\/span><span class=\"p\">[<\/span><span class=\"s1\">'available'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'adopted'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'pending'<\/span><span class=\"p\">],<\/span>\n                           <span class=\"ss\">prefix: <\/span><span class=\"kp\">false<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u067e\u0633 \u0627\u06cc\u0646 \u0646\u06af\u0631\u0627\u0646\u06cc \u0686\u06af\u0648\u0646\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f\u061f  \u0627\u06cc\u0646 \u06a9\u0627\u0645\u0644\u0627 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a.  \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0645\u062a\u062f \u062c\u062f\u06cc\u062f \u0628\u0647 \u0646\u0627\u0645 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645 <code>define_predicate_methods<\/code>\u0648 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u0645\u0648\u062c\u0648\u062f \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0645\u062a\u062f\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u062f\u0631 \u0645\u062f\u0644 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f.  \u062f\u0631 \u062f\u0627\u062e\u0644 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u0642\u062f\u0627\u0631 \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"c1\"># app\/models\/concerns\/predicate_methods.rb<\/span>\n\n<span class=\"c1\"># frozen_string_literal: true<\/span>\n\n<span class=\"k\">module<\/span> <span class=\"nn\">PredicateMethods<\/span>\n  <span class=\"kp\">extend<\/span> <span class=\"no\">ActiveSupport<\/span><span class=\"o\">::<\/span><span class=\"no\">Concern<\/span>\n\n  <span class=\"no\">MethodAlreadyDefined<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Class<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"no\">ArgumentError<\/span><span class=\"p\">)<\/span>\n\n  <span class=\"n\">class_methods<\/span> <span class=\"k\">do<\/span>\n    <span class=\"k\">def<\/span> <span class=\"nf\">define_predicate_methods<\/span><span class=\"p\">(<\/span><span class=\"n\">attribute<\/span><span class=\"p\">:,<\/span> <span class=\"n\">available_values<\/span><span class=\"p\">:,<\/span> <span class=\"ss\">prefix: <\/span><span class=\"kp\">false<\/span><span class=\"p\">)<\/span>\n      <span class=\"n\">available_values<\/span><span class=\"p\">.<\/span><span class=\"nf\">each<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">value<\/span><span class=\"o\">|<\/span>\n        <span class=\"n\">method_name<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[(<\/span><span class=\"n\">prefix<\/span> <span class=\"p\">?<\/span> <span class=\"s2\">\"<\/span><span class=\"si\">#{<\/span><span class=\"n\">attribute<\/span><span class=\"si\">}<\/span><span class=\"s2\">_\"<\/span> <span class=\"p\">:<\/span> <span class=\"s1\">''<\/span><span class=\"p\">),<\/span> <span class=\"n\">value<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'?'<\/span><span class=\"p\">].<\/span><span class=\"nf\">join<\/span><span class=\"p\">.<\/span><span class=\"nf\">to_sym<\/span>\n        <span class=\"k\">raise<\/span> <span class=\"no\">MethodAlreadyDefined<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"<\/span><span class=\"si\">#{<\/span><span class=\"n\">method_name<\/span><span class=\"si\">}<\/span><span class=\"s2\"> already defined\"<\/span> <span class=\"k\">if<\/span> <span class=\"nb\">instance_methods<\/span><span class=\"p\">.<\/span><span class=\"nf\">include?<\/span><span class=\"p\">(<\/span><span class=\"n\">method_name<\/span><span class=\"p\">)<\/span>\n\n        <span class=\"n\">define_method<\/span><span class=\"p\">(<\/span><span class=\"n\">method_name<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span>\n          <span class=\"n\">public_send<\/span><span class=\"p\">(<\/span><span class=\"n\">attribute<\/span><span class=\"p\">)<\/span> <span class=\"o\">==<\/span> <span class=\"n\">value<\/span>\n        <span class=\"k\">end<\/span>\n      <span class=\"k\">end<\/span>\n    <span class=\"k\">end<\/span>\n  <span class=\"k\">end<\/span>\n<span class=\"k\">end<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0631\u0627\u0628\u0637 \u0645\u0627 \u0645\u0637\u0627\u0628\u0642 \u062f\u0644\u062e\u0648\u0627\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">last<\/span>\n\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">available?<\/span>\n<span class=\"c1\"># =&gt; true<\/span>\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">adopted?<\/span>\n<span class=\"c1\"># =&gt; false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f <code>status<\/code> \u067e\u06cc\u0634\u0648\u0646\u062f\u060c \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u0645\u0642\u062f\u0627\u0631 the \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f <code>prefix<\/code> \u0635\u0641\u062a \u0627\u0632 <code>false<\/code> \u0628\u0647 <code>true<\/code>:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight ruby\"><code><span class=\"n\">animal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">last<\/span>\n\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">status_available?<\/span>\n<span class=\"c1\"># =&gt; true<\/span>\n\n<span class=\"n\">animal<\/span><span class=\"p\">.<\/span><span class=\"nf\">status_adopted?<\/span>\n<span class=\"c1\"># =&gt; false<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062e\u0648\u062f\u0634\u0647!  \u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u0646\u06af\u0631\u0627\u0646\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0645\u062f\u0644 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 \u0648 \u0631\u0627\u0628\u0637 \u0647\u0627\u06cc \u0622\u0646\u0647\u0627 \u0631\u0627 \u062e\u0648\u0627\u0646\u0627\u062a\u0631 \u0648 \u0633\u0627\u062f\u0647 \u062a\u0631 \u06a9\u0646\u06cc\u0645.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u067e\u0627\u06cc\u0627\u0646\u060c \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f \u0622\u0646 \u067e\u0631\u062f\u0627\u062e\u062a\u06cc\u0645 <code>ActiveSupport::Concern<\/code> \u062f\u0631 \u0631\u06cc\u0644.  \u0645\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0631\u062f\u06cc\u0645 \u06a9\u0647 \u0686\u06cc\u0633\u062a\u060c \u0686\u0631\u0627 \u0628\u0647 \u0622\u0646 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062d\u0644 \u06a9\u0646\u062f.  \u0645\u0627 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0631\u0627 \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u062f\u06cc\u062f\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0631\u062f\u06cc\u0645.  \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0631\u06a9 \u062e\u0648\u062f \u0627\u0632 \u0645\u0641\u0647\u0648\u0645\u060c \u0633\u0647 \u0645\u062b\u0627\u0644 \u0627\u0631\u0627\u0626\u0647 \u06a9\u0631\u062f\u06cc\u0645 \u06a9\u0647 \u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc \u0622\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0627\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0628\u0631\u0631\u0633\u06cc \u0627\u062c\u0645\u0627\u0644\u06cc: \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645 ActiveSupport::Concern. \u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0631\u062f\u0627\u062e\u062a \u06a9\u0647 \u0686\u06cc\u0633\u062a\u060c \u0686\u0631\u0627 \u0628\u0647 \u0622\u0646 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u0648 \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062d\u0644 \u06a9\u0646\u062f. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc \u0622\u0646\u060c \u0633\u0647 \u0645\u062b\u0627\u0644 \u0627\u0631\u0627\u0626\u0647 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":29671,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-29670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/29670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=29670"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/29670\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/29671"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=29670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=29670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=29670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}