development環境でメンターの関連著書の表示する

db/fixtures/authored_books.yml

@@ -0,0 +1,17 @@
+authored_book1:
+  user: mentormentaro
+  title: Rubyのひみつ
+  url: https://www.example.com
+  created_at: "2022-03-01 00:00:01"
+
+authored_book2:
+  user: mentormentaro
+  title: 3ステップでしっかり学ぶ ruby入門
+  url: https://www.amazon.co.jp/dp/4774195022/
+  created_at: "2022-02-01 00:00:01"
+
+authored_book3:
+  user: mentormentaro
+  title: スラスラ読める Rubyふりがなプログラミング (ふりがなプログラミングシリーズ)
+  url: https://www.amazon.co.jp/dp/4295005908/
+  created_at: "2022-01-01 00:00:01"

db/seeds.rb

@@ -46,6 +46,7 @@
   organizers
   hibernations
   footprints
+  authored_books
 ]
 
 ActiveRecord::FixtureSet.create_fixtures 'db/fixtures', tables

lib/bootcamp/setup.rb

@@ -12,6 +12,7 @@ def attachment
         attach_user_avatar!
         attach_company_logo!
         attach_book_cover!
+        attach_authored_book_cover!
       end
 
       private
@@ -54,6 +55,14 @@ def attach_book_cover!
           book.cover.attach(io: File.open(path), filename: filename) if File.exist?(path)
         end
       end
+
+      def attach_authored_book_cover!
+        AuthoredBook.order(:created_at).each_with_index do |authored_book, i|
+          filename = "#{i + 1}.png"
+          path = Rails.root.join("#{fixtures_dir}/fixtures/files/authored_books/#{filename}")
+          authored_book.cover.attach(io: File.open(path), filename: filename) if File.exist?(path)
+        end
+      end
     end
   end
 end