adding episode 170

episode-170/README

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+Railscasts Episode #170: OpenID with Authlogic
+
+http://railscasts.com/episodes/170
+
+Commands
+
+  sudo gem install ruby-openid authlogic-oid
+  script/plugin install git://github.com/rails/open_id_authentication.git
+  rake open_id_authentication:db:create
+  script/generate migration add_openid_identifier_to_users openid_identifier:string
+  rake db:migrate

episode-170/blog/.gitignore

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+tmp/*
+log/*
+*.sqlite3

episode-170/blog/README

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+Railscasts Example Blog App
+--
+
+To setup the app, just run `rake setup`.

episode-170/blog/Rakefile

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+# 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.join(File.dirname(__FILE__), 'config', 'boot'))
+
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+require 'tasks/rails'

episode-170/blog/app/controllers/application_controller.rb

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+# Filters added to this controller apply to all controllers in the application.
+# Likewise, all the methods added will be available for all controllers.
+
+class ApplicationController < ActionController::Base
+  helper :all # include all helpers, all the time
+  protect_from_forgery
+
+  # See ActionController::Base for details 
+  # Uncomment this to filter the contents of submitted sensitive data parameters
+  # from your application log (in this case, all fields with names like "password"). 
+  filter_parameter_logging :password
+
+  helper_method :current_user
+
+  private
+
+  def current_user_session
+    return @current_user_session if defined?(@current_user_session)
+    @current_user_session = UserSession.find
+  end
+
+  def current_user
+    return @current_user if defined?(@current_user)
+    @current_user = current_user_session && current_user_session.record
+  end
+end

episode-170/blog/app/controllers/articles_controller.rb

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+class ArticlesController < ApplicationController
+  def index
+    @articles = Article.find(:all)
+  end
+
+  def show
+    @article = Article.find(params[:id])
+    @comment = Comment.new(:article => @article)
+  end
+
+  def new
+    @article = Article.new
+  end
+
+  def create
+    @article = Article.new(params[:article])
+    if @article.save
+      flash[:notice] = "Successfully created article."
+      redirect_to @article
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @article = Article.find(params[:id])
+  end
+
+  def update
+    @article = Article.find(params[:id])
+    if @article.update_attributes(params[:article])
+      flash[:notice] = "Successfully updated article."
+      redirect_to @article
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    @article = Article.find(params[:id])
+    @article.destroy
+    flash[:notice] = "Successfully destroyed article."
+    redirect_to articles_url
+  end
+end

episode-170/blog/app/controllers/comments_controller.rb

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+class CommentsController < ApplicationController
+  def new
+    @comment = Comment.new
+  end
+
+  def create
+    @comment = Comment.new(params[:comment])
+    if @comment.save
+      flash[:notice] = "Successfully created comment."
+      redirect_to article_url(@comment.article_id)
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @comment = Comment.find(params[:id])
+  end
+
+  def update
+    @comment = Comment.find(params[:id])
+    if @comment.update_attributes(params[:comment])
+      flash[:notice] = "Successfully updated comment."
+      redirect_to article_url(@comment.article_id)
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    @comment = Comment.find(params[:id])
+    @comment.destroy
+    flash[:notice] = "Successfully destroyed comment."
+    redirect_to article_url(@comment.article_id)
+  end
+end

episode-170/blog/app/controllers/user_sessions_controller.rb

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+class UserSessionsController < ApplicationController
+  def new
+    @user_session = UserSession.new
+  end
+
+  def create
+    @user_session = UserSession.new(params[:user_session])
+    @user_session.save do |result|
+      if result
+        flash[:notice] = "Successfully logged in."
+        redirect_to root_url
+      else
+        render :action => 'new'
+      end
+    end
+  end
+
+  def destroy
+    @user_session = UserSession.find
+    @user_session.destroy
+    flash[:notice] = "Successfully logged out."
+    redirect_to root_url
+  end
+end

episode-170/blog/app/controllers/users_controller.rb

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+class UsersController < ApplicationController
+  def new
+    @user = User.new
+  end
+
+  def create
+    @user = User.new(params[:user])
+    @user.save do |result|
+      if result
+        flash[:notice] = "Registration successful."
+        redirect_to root_url
+      else
+        render :action => 'new'
+      end
+    end
+  end
+
+  def edit
+    @user = current_user
+  end
+
+  def update
+    @user = current_user
+    @user.attributes = params[:user]
+    @user.save do |result|
+      if result
+        flash[:notice] = "Successfully updated profile."
+        redirect_to root_url
+      else
+        render :action => 'edit'
+      end
+    end
+  end
+end

episode-170/blog/app/helpers/application_helper.rb

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+# Methods added to this helper will be available to all templates in the application.
+module ApplicationHelper
+end

episode-170/blog/app/helpers/articles_helper.rb

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+module ArticlesHelper
+end

episode-170/blog/app/helpers/comments_helper.rb

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+module CommentsHelper
+end

episode-170/blog/app/helpers/layout_helper.rb

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+# These helper methods can be called in your template to set variables to be used in the layout
+# This module should be included in all views globally,
+# to do so you may need to add this line to your ApplicationController
+#   helper :layout
+module LayoutHelper
+  def title(page_title, show_title = true)
+    @content_for_title = page_title.to_s
+    @show_title = show_title
+  end
+
+  def show_title?
+    @show_title
+  end
+
+  def stylesheet(*args)
+    content_for(:head) { stylesheet_link_tag(*args.map(&:to_s)) }
+  end
+
+  def javascript(*args)
+    args = args.map { |arg| arg == :defaults ? arg : arg.to_s }
+    content_for(:head) { javascript_include_tag(*args) }
+  end
+end

episode-170/blog/app/helpers/user_sessions_helper.rb

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+module UserSessionsHelper
+end

episode-170/blog/app/helpers/users_helper.rb

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+module UsersHelper
+end

episode-170/blog/app/models/article.rb

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+class Article < ActiveRecord::Base
+  has_many :comments, :dependent => :destroy
+  validates_presence_of :name, :content
+end

episode-170/blog/app/models/comment.rb

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+class Comment < ActiveRecord::Base
+  belongs_to :article
+  validates_presence_of :author_name, :content
+end

episode-170/blog/app/models/user.rb

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+class User < ActiveRecord::Base
+  acts_as_authentic do |c|
+    c.openid_required_fields = [:nickname, :email]
+  end
+
+  private
+
+  def map_openid_registration(registration)
+    self.email = registration["email"] if email.blank?
+    self.username = registration["nickname"] if username.blank?
+  end
+end

episode-170/blog/app/models/user_session.rb

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+class UserSession < Authlogic::Session::Base
+end

episode-170/blog/app/views/articles/_form.html.erb

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+<%= error_messages_for :article %>
+<% form_for @article do |f| %>
+  <p>
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </p>
+  <p>
+    <%= f.label :content %><br />
+    <%= f.text_area :content %>
+  </p>
+  <p>
+    <%= f.label :author_name %><br />
+    <%= f.text_field :author_name %>
+  </p>
+  <p><%= f.submit "Submit" %></p>
+<% end %>

episode-170/blog/app/views/articles/edit.html.erb

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+<% title "Edit Article" %>
+
+<%= render :partial => 'form' %>
+
+<p>
+  <%= link_to "Show", @article %> |
+  <%= link_to "View All", articles_path %>
+</p>

episode-170/blog/app/views/articles/index.html.erb

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+<% title "Articles" %>
+
+<div id="articles">
+<% for article in @articles %>
+  <h2>
+    <%= link_to h(article.name), article %>
+    <span class="comments">(<%= pluralize(article.comments.size, 'comment') %>)</span>
+  </h2>
+  <div class="author">from <%=h article.author_name %> on <%= article.created_at.strftime('%b %d, %Y') %></div>
+  <div class="content"><%= simple_format(article.content) %></div>
+<% end %>
+</div>

episode-170/blog/app/views/articles/new.html.erb

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+<% title "New Article" %>
+
+<%= render :partial => 'form' %>
+
+<p><%= link_to "Back to List", articles_path %></p>

episode-170/blog/app/views/articles/show.html.erb

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+<% title @article.name %>
+
+<p class="author"><em>from <%=h @article.author_name %></em></p>
+
+<%=simple_format @article.content %>
+
+<p><%= link_to "Back to Articles", articles_path %></p>
+
+<% unless @article.comments.empty? %>
+  <h2><%= pluralize(@article.comments.size, 'comment') %></h2>
+
+  <div id="comments">
+  <% for comment in @article.comments %>
+    <div class="comment">
+      <strong><%= link_to_unless comment.site_url.blank?, h(comment.author_name), h(comment.site_url) %></strong>
+      <em>on <%= comment.created_at.strftime('%b %d, %Y at %H:%M') %></em>
+      <%=simple_format comment.content %>
+    </div>
+  <% end %>
+  </div>
+<% end %>
+
+<h3>Add your comment:</h3>
+<%= render :partial => 'comments/form' %>

episode-170/blog/app/views/comments/_form.html.erb

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+<%= error_messages_for :comment %>
+<% form_for @comment do |f| %>
+  <%= f.hidden_field :article_id %>
+  <p>
+    <%= f.label :author_name, 'Name' %><br />
+    <%= f.text_field :author_name %>
+  </p>
+  <p>
+    <%= f.label :site_url, 'Website URL' %><br />
+    <%= f.text_field :site_url %>
+  </p>
+  <p>
+    <%= f.label :content, 'Comment' %><br />
+    <%= f.text_area :content, :rows => '12', :cols => 35 %>
+  </p>
+  <p><%= f.submit "Submit" %></p>
+<% end %>

episode-170/blog/app/views/comments/edit.html.erb

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+<% title "Edit Comment" %>
+
+<%= render :partial => 'form' %>
+

episode-170/blog/app/views/comments/new.html.erb

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+<% title "New Comment" %>
+
+<%= render :partial => 'form' %>
+