Homework

.rspec

@@ -1,2 +1,3 @@
+--drb
 --colour
---format=d
+--format=d

Gemfile

@@ -41,6 +41,11 @@ group :test, :development do
   gem "rspec-rails", "~> 2.0"
   gem 'capybara'
   gem 'launchy'
+  gem 'guard', '0.10.0'
+  gem 'guard-rspec'
+  gem 'guard-spork'
+  gem 'libnotify'
+  gem 'rb-inotify'
 end
 gem 'pry-rails'
 gem 'factory_girl_rails'

Gemfile.lock

@@ -58,6 +58,14 @@ GEM
       factory_girl (~> 3.3.0)
       railties (>= 3.0.0)
     ffi (1.0.11)
+    guard (0.10.0)
+      ffi (>= 0.5.0)
+      thor (~> 0.14.6)
+    guard-rspec (0.7.3)
+      guard (>= 0.10.0)
+    guard-spork (0.8.0)
+      guard (>= 0.10.0)
+      spork (>= 0.8.4)
     hike (1.2.1)
     i18n (0.6.0)
     journey (1.0.3)
@@ -67,6 +75,8 @@ GEM
     json (1.7.3)
     launchy (2.1.0)
       addressable (~> 2.2.6)
+    libnotify (0.7.2)
+      ffi (~> 1.0.0)
     libwebsocket (0.1.3)
       addressable
     mail (2.4.4)
@@ -107,6 +117,8 @@ GEM
       rdoc (~> 3.4)
       thor (~> 0.14.6)
     rake (0.9.2.2)
+    rb-inotify (0.8.8)
+      ffi (>= 0.5.0)
     rdoc (3.12)
       json (~> 1.4)
     rspec (2.10.0)
@@ -135,6 +147,7 @@ GEM
       multi_json (~> 1.0)
       rubyzip
     slop (2.4.4)
+    spork (0.9.2)
     sprockets (2.1.3)
       hike (~> 1.2)
       rack (~> 1.0)
@@ -159,10 +172,15 @@ DEPENDENCIES
   capybara
   coffee-rails (~> 3.2.1)
   factory_girl_rails
+  guard (= 0.10.0)
+  guard-rspec
+  guard-spork
   jquery-rails
   launchy
+  libnotify
   pry-rails
   rails (= 3.2.3)
+  rb-inotify
   rspec-rails (~> 2.0)
   sass-rails (~> 3.2.3)
   sqlite3

Guardfile

@@ -0,0 +1,31 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+guard 'spork', :cucumber_env => { 'RAILS_ENV' => 'test' }, :rspec_env => { 'RAILS_ENV' => 'test' } do
+  watch('config/application.rb')
+  watch('config/environment.rb')
+  watch(%r{^config/environments/.+\.rb$})
+  watch(%r{^config/initializers/.+\.rb$})
+  watch('Gemfile')
+  watch('Gemfile.lock')
+  watch('spec/spec_helper.rb') { :rspec }
+  watch('test/test_helper.rb') { :test_unit }
+  watch(%r{features/support/}) { :cucumber }
+end
+
+guard 'rspec', :version => 2 do
+  watch(%r{^spec/.+_spec\.rb$})
+  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch('spec/spec_helper.rb')  { "spec" }
+
+  # Rails example
+  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
+  watch(%r{^app/(.*)(\.erb|\.haml)$})                 { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
+  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
+  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
+  watch('config/routes.rb')                           { "spec/routing" }
+  watch('app/controllers/application_controller.rb')  { "spec/controllers" }
+  # Capybara request specs
+  watch(%r{^app/views/(.+)/.*\.(erb|haml)$})          { |m| "spec/requests/#{m[1]}_spec.rb" }
+end
+

app/assets/javascripts/books.js.coffee

@@ -1,3 +1,14 @@
 # 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/
+
+count = 0
+$("#add-memo").on("click", () ->
+  $('#memo').append($('<div />').addClass('field')).append($('<textarea />').attr({
+    'cols': '40',
+    'name': "book[memo_attributes][#{count++}][value]",
+    'rows': '5'
+  }))
+  return false
+
+)

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/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/memos_controller.rb

@@ -0,0 +1,30 @@
+class MemosController < ApplicationController
+
+  # POST /memos
+  # POST /memos.json
+  def create
+    @memo = Memo.new(params[:memo])
+
+    respond_to do |format|
+      if @memo.save
+        #format.html { redirect_to @memo, notice: 'Memo was successfully created.' }
+        format.json { render json: @memo, status: :created, location: @memo }
+      else
+        #format.html { render action: "new" }
+        format.json { render json: @memo.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /memos/1
+  # DELETE /memos/1.json
+  def destroy
+    @memo = Memo.find(params[:id])
+    @memo.destroy
+
+    respond_to do |format|
+      #format.html { redirect_to memos_url }
+      format.json { head :no_content }
+    end
+  end
+end

app/helpers/memos_helper.rb

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

app/models/book.rb

@@ -1,11 +1,18 @@
 # encoding: UTF-8
 class Book < ActiveRecord::Base
-  attr_accessible :memo, :purchased_on, :title
+  attr_accessible :memo_attributes, :purchased_on, :title,  :memo
   validates :title, :presence => true
 
   before_create :total_books_count
 
+  has_many :memo, dependent: :destroy
+  accepts_nested_attributes_for :memo
+
   def total_books_count
-    self.memo += "【 累計冊数#{Book.count + 1} 】"
+=begin
+    self.memo.each do |m|
+      m.value += "【 累計冊数#{Book.count + 1} 】"
+    end
+=end
   end
 end

app/models/memo.rb

@@ -0,0 +1,5 @@
+class Memo < ActiveRecord::Base
+  attr_accessible :value,:book_id
+
+  belongs_to :book
+end

app/views/books/_form.html.erb

@@ -15,10 +15,16 @@
     <%= f.label :title %><br />
     <%= f.text_field :title %>
   </div>
-  <div class="field">
-    <%= f.label :memo %><br />
-    <%= f.text_area :memo %>
+  <div id="memo">
+    <% @book.memo.each do |m| %>
+      <%= fields_for m do |mm| %>
+        <div class="field">
+          <%= mm.text_area :value %>
+        </div>
+      <% end %>
+    <% end %>
   </div>
+  <button id="add-memo">Add memo</button>
   <div class="field">
     <%= f.label :purchased_on %><br />
     <%= f.date_select :purchased_on %>

app/views/books/_memo_view.html.erb

@@ -0,0 +1 @@
+<li><%= memo.value if memo %></li>

app/views/books/index.html.erb

@@ -13,7 +13,7 @@
 <% @books.each do |book| %>
   <tr>
     <td><%= book.title %></td>
-    <td><%= book.memo %></td>
+    <td><ul><%= render partial: 'memo_view', collection: book.memo, as: :memo %></ul></td>
     <td><%= book.purchased_on %></td>
     <td><%= link_to 'Show', book %></td>
     <td><%= link_to 'Edit', edit_book_path(book) %></td>

app/views/books/show.html.erb

@@ -7,7 +7,9 @@
 
 <p>
   <b>Memo:</b>
-  <%= @book.memo %>
+  <ul>
+    <%= render partial: 'memo_view', collection: @book.memo, as: :memo %>
+  </ul>
 </p>
 
 <p>

app/views/layouts/application.html.erb

@@ -3,12 +3,12 @@
 <head>
   <title>BookMemo2</title>
   <%= stylesheet_link_tag    "application", :media => "all" %>
-  <%= javascript_include_tag "application" %>
   <%= csrf_meta_tags %>
 </head>
 <body>
 
 <%= yield %>
 
+<%= javascript_include_tag "application" %>
 </body>
 </html>

app/views/memos/_form.html.erb

@@ -0,0 +1,21 @@
+<%= form_for(@memo) do |f| %>
+  <% if @memo.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@memo.errors.count, "error") %> prohibited this memo from being saved:</h2>
+
+      <ul>
+      <% @memo.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= f.label :value %><br />
+    <%= f.text_field :value %>
+  </div>
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>

app/views/memos/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing memo</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @memo %> |
+<%= link_to 'Back', memos_path %>

app/views/memos/index.html.erb

@@ -0,0 +1,23 @@
+<h1>Listing memos</h1>
+
+<table>
+  <tr>
+    <th>Value</th>
+    <th></th>
+    <th></th>
+    <th></th>
+  </tr>
+
+<% @memos.each do |memo| %>
+  <tr>
+    <td><%= memo.value %></td>
+    <td><%= link_to 'Show', memo %></td>
+    <td><%= link_to 'Edit', edit_memo_path(memo) %></td>
+    <td><%= link_to 'Destroy', memo, confirm: 'Are you sure?', method: :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New Memo', new_memo_path %>

app/views/memos/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New memo</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', memos_path %>

app/views/memos/show.html.erb

@@ -0,0 +1,10 @@
+<p id="notice"><%= notice %></p>
+
+<p>
+  <b>Value:</b>
+  <%= @memo.value %>
+</p>
+
+
+<%= link_to 'Edit', edit_memo_path(@memo) %> |
+<%= link_to 'Back', memos_path %>

config/routes.rb

@@ -1,4 +1,6 @@
 BookMemo2::Application.routes.draw do
+  resources :memos, only: [:create, :destroy]
+
   resources :books
 
   # The priority is based upon order of creation:

db/migrate/20120526050801_create_books.rb

@@ -2,7 +2,6 @@ class CreateBooks < ActiveRecord::Migration
   def change
     create_table :books do |t|
       t.string :title
-      t.text :memo
       t.date :purchased_on
 
       t.timestamps

db/migrate/20120615071239_create_memos.rb

@@ -0,0 +1,10 @@
+class CreateMemos < ActiveRecord::Migration
+  def change
+    create_table :memos do |t|
+      t.integer :book_id
+      t.string :value
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -11,14 +11,20 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120526050801) do
+ActiveRecord::Schema.define(:version => 20120615071239) do
 
   create_table "books", :force => true do |t|
     t.string   "title"
-    t.text     "memo"
     t.date     "purchased_on"
     t.datetime "created_at",   :null => false
     t.datetime "updated_at",   :null => false
   end
 
+  create_table "memos", :force => true do |t|
+    t.integer  "book_id"
+    t.string   "value"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
 end