adding revised episode 147

episode-147/revised/README

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+Railscasts Episode #147: Sortable Lists (revised)
+
+http://railscasts.com/episodes/147-sortable-lists-revised
+
+Commands
+
+  rails g migration add_position_to_faqs position:integer
+  rake db:migrate

episode-147/revised/faqapp-after/.gitignore

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+.bundle
+db/*.sqlite3
+log/*.log
+tmp/
+.sass-cache/

episode-147/revised/faqapp-after/Gemfile

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+source 'http://rubygems.org'
+
+gem 'rails', '3.1.1'
+gem 'sqlite3'
+
+# Gems used only for assets and not required
+# in production environments by default.
+group :assets do
+  gem 'sass-rails',   '~> 3.1.4'
+  gem 'coffee-rails', '~> 3.1.1'
+  gem 'uglifier', '>= 1.0.3'
+end
+
+gem 'jquery-rails'
+
+gem 'acts_as_list'

episode-147/revised/faqapp-after/Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    actionmailer (3.1.1)
+      actionpack (= 3.1.1)
+      mail (~> 2.3.0)
+    actionpack (3.1.1)
+      activemodel (= 3.1.1)
+      activesupport (= 3.1.1)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      i18n (~> 0.6)
+      rack (~> 1.3.2)
+      rack-cache (~> 1.1)
+      rack-mount (~> 0.8.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.0.2)
+    activemodel (3.1.1)
+      activesupport (= 3.1.1)
+      builder (~> 3.0.0)
+      i18n (~> 0.6)
+    activerecord (3.1.1)
+      activemodel (= 3.1.1)
+      activesupport (= 3.1.1)
+      arel (~> 2.2.1)
+      tzinfo (~> 0.3.29)
+    activeresource (3.1.1)
+      activemodel (= 3.1.1)
+      activesupport (= 3.1.1)
+    activesupport (3.1.1)
+      multi_json (~> 1.0)
+    acts_as_list (0.1.4)
+    arel (2.2.1)
+    builder (3.0.0)
+    coffee-rails (3.1.1)
+      coffee-script (>= 2.2.0)
+      railties (~> 3.1.0)
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.1.2)
+    erubis (2.7.0)
+    execjs (1.2.9)
+      multi_json (~> 1.0)
+    hike (1.2.1)
+    i18n (0.6.0)
+    jquery-rails (1.0.16)
+      railties (~> 3.0)
+      thor (~> 0.14)
+    json (1.6.1)
+    mail (2.3.0)
+      i18n (>= 0.4.0)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.16)
+    multi_json (1.0.3)
+    polyglot (0.3.2)
+    rack (1.3.3)
+    rack-cache (1.1)
+      rack (>= 0.4)
+    rack-mount (0.8.3)
+      rack (>= 1.0.0)
+    rack-ssl (1.3.2)
+      rack
+    rack-test (0.6.1)
+      rack (>= 1.0)
+    rails (3.1.1)
+      actionmailer (= 3.1.1)
+      actionpack (= 3.1.1)
+      activerecord (= 3.1.1)
+      activeresource (= 3.1.1)
+      activesupport (= 3.1.1)
+      bundler (~> 1.0)
+      railties (= 3.1.1)
+    railties (3.1.1)
+      actionpack (= 3.1.1)
+      activesupport (= 3.1.1)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (~> 0.14.6)
+    rake (0.9.2)
+    rdoc (3.10)
+      json (~> 1.4)
+    sass (3.1.10)
+    sass-rails (3.1.4)
+      actionpack (~> 3.1.0)
+      railties (~> 3.1.0)
+      sass (>= 3.1.4)
+      sprockets (~> 2.0.0)
+      tilt (~> 1.3.2)
+    sprockets (2.0.2)
+      hike (~> 1.2)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sqlite3 (1.3.4)
+    thor (0.14.6)
+    tilt (1.3.3)
+    treetop (1.4.10)
+      polyglot
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.30)
+    uglifier (1.0.3)
+      execjs (>= 0.3.0)
+      multi_json (>= 1.0.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  acts_as_list
+  coffee-rails (~> 3.1.1)
+  jquery-rails
+  rails (= 3.1.1)
+  sass-rails (~> 3.1.4)
+  sqlite3
+  uglifier (>= 1.0.3)

episode-147/revised/faqapp-after/README

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+= RailsCasts Example Application
+
+Run these commands to try it out.
+
+  bundle
+  rake db:setup
+  rails s

episode-147/revised/faqapp-after/Rakefile

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+#!/usr/bin/env rake
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require File.expand_path('../config/application', __FILE__)
+
+Faqapp::Application.load_tasks

episode-147/revised/faqapp-after/app/assets/javascripts/application.js

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+// This is a manifest file that'll be compiled into including all the files listed below.
+// Add new JavaScript/Coffee code in separate files in this directory and they'll automatically
+// be included in the compiled file accessible from http://example.com/assets/application.js
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// the compiled file.
+//
+//= require jquery
+//= require jquery-ui
+//= require jquery_ujs
+//= require_tree .

episode-147/revised/faqapp-after/app/assets/javascripts/faqs.js.coffee

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+# 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/
+jQuery ->
+  $('#faqs').sortable
+    axis: 'y'
+    handle: '.handle'
+    update: ->
+      $.post($(this).data('update-url'), $(this).sortable('serialize'))

episode-147/revised/faqapp-after/app/assets/stylesheets/application.css

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+/*
+ * This is a manifest file that'll automatically include all the stylesheets available in this directory
+ * and any sub-directories. You're free to add application-wide styles to this file and they'll appear at
+ * the top of the compiled file, but it's generally better to create a new file per style scope.
+ *= require_self
+ *= require_tree .
+*/
+
+html, body {
+  background-color: #4B7399;
+  font-family: Verdana, Helvetica, Arial;
+  font-size: 14px;
+}
+
+a img {
+  border: none;
+}
+
+a {
+  color: #0000FF;
+  text-decoration: none;
+}
+
+a:hover {
+  text-decoration: underline;
+}
+
+.clear {
+  clear: both;
+  height: 0;
+  overflow: hidden;
+}
+
+#container {
+  width: 75%;
+  margin: 0 auto;
+  background-color: #FFF;
+  padding: 20px 40px;
+  border: solid 1px black;
+  margin-top: 20px;
+}
+
+#flash_notice, #flash_error, #flash_alert {
+  padding: 5px 8px;
+  margin: 10px 0;
+}
+
+#flash_notice {
+  background-color: #CFC;
+  border: solid 1px #6C6;
+}
+
+#flash_error, #flash_alert {
+  background-color: #FCC;
+  border: solid 1px #C66;
+}
+
+form label {
+  display: block;
+  margin-bottom: 2px;
+}
+
+form .field, form .actions {
+  margin: 12px 0;
+}
+
+.fieldWithErrors {
+  display: inline;
+}
+
+.error_messages {
+  width: 400px;
+  border: 2px solid #CF0000;
+  padding: 0px;
+  margin-bottom: 20px;
+  background-color: #f0f0f0;
+  font-size: 12px;
+}
+
+.error_messages h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 10px;
+  font-size: 12px;
+  margin: 0;
+  background-color: #c00;
+  color: #fff;
+}
+
+.error_messages p {
+  margin: 8px 10px;
+}
+
+.error_messages ul {
+  margin: 15px 0;
+}
+
+ul {
+  padding-left: 20px;
+}
+
+ul li {
+  margin: 5px 0;
+}

episode-147/revised/faqapp-after/app/assets/stylesheets/faqs.css.scss

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+// Place all the styles related to the faqs controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
+#faqs .handle {
+  font-size: 12px;
+  color: #777;
+  cursor: move;
+}

episode-147/revised/faqapp-after/app/controllers/application_controller.rb

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+class ApplicationController < ActionController::Base
+  protect_from_forgery
+end

episode-147/revised/faqapp-after/app/controllers/faqs_controller.rb

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+class FaqsController < ApplicationController
+  def index
+    @faqs = Faq.order("position")
+  end
+
+  def show
+    @faq = Faq.find(params[:id])
+  end
+
+  def new
+    @faq = Faq.new
+  end
+
+  def create
+    @faq = Faq.new(params[:faq])
+    if @faq.save
+      redirect_to @faq, notice: "Successfully created FAQ."
+    else
+      render :new
+    end
+  end
+
+  def edit
+    @faq = Faq.find(params[:id])
+  end
+
+  def update
+    @faq = Faq.find(params[:id])
+    if @faq.update_attributes(params[:faq])
+      redirect_to @faq, notice: "Successfully updated FAQ."
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @faq = Faq.find(params[:id])
+    @faq.destroy
+    redirect_to faqs_url, notice: "Successfully destroyed FAQ."
+  end
+
+  def sort
+    params[:faq].each_with_index do |id, index|
+      Faq.update_all({position: index+1}, {id: id})
+    end
+    render nothing: true
+  end
+end

episode-147/revised/faqapp-after/app/helpers/application_helper.rb

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+module ApplicationHelper
+end

episode-147/revised/faqapp-after/app/helpers/faqs_helper.rb

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+module FaqsHelper
+end

episode-147/revised/faqapp-after/app/models/faq.rb

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+class Faq < ActiveRecord::Base
+  acts_as_list
+end

episode-147/revised/faqapp-after/app/views/faqs/_form.html.erb

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

episode-147/revised/faqapp-after/app/views/faqs/edit.html.erb

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+<h1>Editing faq</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @faq %> |
+<%= link_to 'Back', faqs_path %>