質問編集履歴
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@@ -78,16 +78,166 @@
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controller
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```
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class BlogsController < ApplicationController
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def index
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@books = Book.all
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@book = Book.new
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end
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def create
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book = Book.new(book_params)
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book.save
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redirect_to books_path(book.id)
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end
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def show
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@book = Book.find(params[:id])
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end
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def edit
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@book = Book.find(params[:id])
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end
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def destroy
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book = Book.find(params[:id])
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book.destroy
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redirect_to books_path
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end
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private
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def book_params
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params.require(:book).permit(:title, :body)
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end
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end
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```
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routes
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```
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Rails.application.routes.draw do
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get root 'top#top'
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resources :blogs
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# For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
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end
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```
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index.html.erb
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```
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<h1>Books</h1>
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<table>
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<thead>
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<tr>
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<th>Title</th>
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<th>Body</th>
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<th colspan="2"></th>
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</tr>
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</thead>
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<tbody>
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<% @books.each do |book| %>
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<tr>
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<td><%= book.title %></td>
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<td><%= book.body %></td>
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<td><%= link_to 'Show', blog_path %></td>
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<td><%= link_to 'Edit', edit_book_path(book.id) %></td>
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<td><%= link_to 'Destroy', blogs_path(book.id), method: :delete, "data-confirm" => "本当に削除しますか？" %></td>
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</tr>
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<% end %>
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</tbody>
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</table>
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<h1>New book</h1>
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<%= form_for(@book) do |f| %>
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<h4>Title</h4>
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<%= f.text_field :title %>
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<h4>Body</h4>
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<%= f.text_area :body %>
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<%= f.submit 'Create Book' %>
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<% end %>
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```
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