memoを複数追加できるようにする

Gemfile

@@ -44,3 +44,5 @@ group :test, :development do
 end
 gem 'pry-rails'
 gem 'factory_girl_rails'
+gem 'execjs'
+gem 'therubyracer'

Gemfile.lock

@@ -67,6 +67,7 @@ GEM
     json (1.7.3)
     launchy (2.1.0)
       addressable (~> 2.2.6)
+    libv8 (3.3.10.4)
     libwebsocket (0.1.3)
       addressable
     mail (2.4.4)
@@ -140,6 +141,8 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.6)
+    therubyracer (0.10.1)
+      libv8 (~> 3.3.10)
     thor (0.14.6)
     tilt (1.3.3)
     treetop (1.4.10)
@@ -158,6 +161,7 @@ PLATFORMS
 DEPENDENCIES
   capybara
   coffee-rails (~> 3.2.1)
+  execjs
   factory_girl_rails
   jquery-rails
   launchy
@@ -166,4 +170,5 @@ DEPENDENCIES
   rspec-rails (~> 2.0)
   sass-rails (~> 3.2.3)
   sqlite3
+  therubyracer
   uglifier (>= 1.0.3)

Rakefile

@@ -3,5 +3,5 @@
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
 require File.expand_path('../config/application', __FILE__)
-
+require 'rake'
 BookMemo2::Application.load_tasks

app/assets/javascripts/memo.js.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

app/assets/javascripts/memos.js.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

app/assets/stylesheets/memo.css.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the memo controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/memos.css.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the memos controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/books_controller.rb

@@ -1,38 +1,23 @@
+#coding: utf-8
+
 class BooksController < ApplicationController
   before_filter :find_book, :only => [:show, :destroy, :edit, :update]
 
   # GET /books
   # GET /books.json
   def index
     @books = Book.all
-
-    respond_to do |format|
-      format.html # index.html.erb
-      format.xml { render xml: @books }
-      format.json { render json: @books }
-    end
   end
 
   # GET /books/1
   # GET /books/1.json
   def show
-    respond_to do |format|
-      format.html # show.html.erb
-      format.xml { render xml: @book }
-      format.json { render json: @book }
-    end
   end
 
   # GET /books/new
   # GET /books/new.json
   def new
     @book = Book.new
-
-    respond_to do |format|
-      format.html # new.html.erb
-      format.xml { render xml: @book }
-      format.json { render json: @book }
-    end
   end
 
   # GET /books/1/edit
@@ -46,31 +31,21 @@ def create
 
     respond_to do |format|
       if @book.save
-        format.html { redirect_to @book, notice: 'Book was successfully created.' }
-        format.xml { render xml: @book, status: :created, location: @book }
-        format.json { render json: @book, status: :created, location: @book }
+        redirect_to @book, :notice => "Completed Registering"
       else
-        format.html { render action: "new" }
-        format.xml { render xml: @book.errors, status: :unprocessable_entity }
-        format.json { render json: @book.errors, status: :unprocessable_entity }
+        render :new
       end
     end
   end
 
   # PUT /books/1
   # PUT /books/1.json
   def update
-    respond_to do |format|
       if @book.update_attributes(params[:book])
-        format.html { redirect_to @book, notice: 'Book was successfully updated.' }
-        format.xml { head :no_content }
-        format.json { head :no_content }
+        redirect_to @book, :notice =>"Completed Updating"
       else
-        format.html { render action: "edit" }
-        format.xml { render xml: @book.errors, status: :unprocessable_entity }
-        format.json { render json: @book.errors, status: :unprocessable_entity }
+        render :edit
       end
-    end
   end
 
   # DELETE /books/1

app/controllers/memos_controller.rb

@@ -0,0 +1,45 @@
+#coding: utf-8
+
+class MemosController < ApplicationController
+  before_filter :find_book
+  before_filter :find_memo, :only =>[:edit, :update, :destroy]
+
+  def new
+   @memo = @book.memos.new
+  end
+
+  def create
+   @memo = @book.memos.new(params[:memo])
+   if @memo.save
+    redirect_to book_path(@book), :notice => "Completed Registering Memo."
+   else
+    render :new
+   end
+  end
+
+  def edit
+  end
+
+  def update
+    if @memo.update_attributes(params[:memo])
+      redirect_to book_path(@book), :notice => "メモを更新しました。"
+    else
+      render :action => "edit"
+    end
+  end
+
+  def destroy
+    @memo.destroy
+    redirect_to book_path(@book)
+  end
+
+  private
+  def find_book
+   @book = Book.find(params[:book_id])
+  end
+
+  def find_memo
+   @memo = @book.memos.find(params[:id])
+  end
+
+end

app/helpers/memos_helper.rb

@@ -0,0 +1,2 @@
+module MemosHelper
+end

app/models/book.rb

@@ -1,5 +1,6 @@
 # encoding: UTF-8
 class Book < ActiveRecord::Base
+  has_many :memos
   attr_accessible :memo, :purchased_on, :title
   validates :title, :presence => true
 

app/models/memo.rb

@@ -0,0 +1,3 @@
+class Memo < ActiveRecord::Base
+  attr_accessible :body, :book_id
+end

app/views/books/edit.html.erb

@@ -1,6 +1,6 @@
 <h1>Editing book</h1>
 
-<%= render 'form' %>
+<%= render 'form', :book => @book %>
 
 <%= link_to 'Show', @book %> |
 <%= link_to 'Back', books_path %>

app/views/books/new.html.erb

@@ -1,5 +1,5 @@
 <h1>New book</h1>
 
-<%= render 'form' %>
+<%= render 'form', book => @book %>
 
 <%= link_to 'Back', books_path %>

app/views/books/show.html.erb

@@ -15,6 +15,13 @@
   <%= @book.purchased_on %>
 </p>
 
+<%= link_to 'add memo', new_book_memo_path(@book) %><br/>
 
+<% @book.memos.each do |memo| %>
+  <%= memo.body %> |
+  <%= link_to "edit", edit_book_memo_path(:book_id =>@book.id, :id => memo.id) %> |
+  <%= link_to "delete", book_memo_path(:book_id => @book.id,:id => memo.id), :confirm =>"Are you sure?", :method => :delete %><br/>
+<%end%>
+<br/>
 <%= link_to 'Edit', edit_book_path(@book) %> |
 <%= link_to 'Back', books_path %>

app/views/memos/edit.html.erb

@@ -0,0 +1,8 @@
+Title:<%= @book.title %><br/>
+Memo:<%= @book.memo %><br/>
+Parchase Date:<%= @book.purchased_on %><br/>
+<br/>
+<%= form_for @memo, :url => book_memo_path(:book_id => @book.id, :id => @memo.id), :method => :put do |f| %>
+   Memo:<%= f.text_field :body %><br/>
+   <%= f.submit %><br/>
+<% end %>

app/views/memos/new.html.erb

@@ -0,0 +1,8 @@
+Title:<%= @book.title %><br/>
+Memo:<%= @book.memo %><br/>
+Parchase Date:<%= @book.purchased_on %><br/>
+<br/>
+<%= form_for @memo, :url => book_memos_path do |f| %>
+   Memo:<%= f.text_field :body %><br/>
+   <%= f.submit %><br/>
+<% end %>

config/routes.rb

@@ -1,5 +1,10 @@
 BookMemo2::Application.routes.draw do
-  resources :books
+
+  root :to => 'books#index'
+
+  resources :books do
+    resources :memos
+  end
 
   # The priority is based upon order of creation:
   # first created -> highest priority.

db/migrate/20120617023553_create_memos.rb

@@ -0,0 +1,14 @@
+class CreateMemos < ActiveRecord::Migration
+  def change
+    create_table :memos do |t|
+      t.integer :book_id
+      t.text :body
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+   drop_table :memos
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120526050801) do
+ActiveRecord::Schema.define(:version => 20120617023553) do
 
   create_table "books", :force => true do |t|
     t.string   "title"
@@ -21,4 +21,11 @@
     t.datetime "updated_at",   :null => false
   end
 
+  create_table "memos", :force => true do |t|
+    t.integer  "book_id"
+    t.text     "body"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
 end