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‎.gitignore

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db/*.sqlite3
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log/*.log
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tmp/**/*
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vendor/**/*

‎Gemfile

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# Edit this Gemfile to bundle your application's dependencies.
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## Bundle edge rails:
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directory "vendor/rails", :glob => "{*/,}*.gemspec"
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gem "rails", "3.0.pre"
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git "git://github.com/rails/arel.git"
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git "git://github.com/rails/rack.git"
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## Bundle the gems you use:
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# gem "bj"
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# gem "hpricot", "0.6"
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# gem "sqlite3-ruby", :require_as => "sqlite3"
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# gem "aws-s3", :require_as => "aws/s3"
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## Bundle gems used only in certain environments:
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# gem "rspec", :only => :test
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# only :test do
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# gem "webrat"
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# end

‎Rakefile

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

‎app/controllers/application_controller.rb

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class ApplicationController < ActionController::Base
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protect_from_forgery
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filter_parameter_logging :password
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end

‎app/controllers/comments_controller.rb

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class CommentsController < ApplicationController
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before_filter :find_post
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def index
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@comments = @post.comments
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end
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def show
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@comment = @post.comments.find(params[:id])
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end
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def new
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@comment = @post.comments.build
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end
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def create
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@comment = @post.comments.build(params[:comment])
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if @comment.save
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redirect_to post_comment_url(@post, @comment)
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else
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render :action => "new"
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end
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end
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def edit
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@comment = @post.comments.find(params[:id])
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end
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def update
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@comment = Comment.find(params[:id])
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if @comment.update_attributes(params[:comment])
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redirect_to post_comment_url(@post, @comment)
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else
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render :action => "edit"
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end
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end
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def destroy
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@comment = Comment.find(params[:id])
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@comment.destroy
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redirect_to post_comments_path(@post)
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end
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private
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def find_post
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@post = Post.find(params[:post_id])
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end
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end

‎app/controllers/home_controller.rb

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class HomeController < ApplicationController
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def index
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end
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end

‎app/controllers/posts_controller.rb

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class PostsController < ApplicationController
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before_filter :find_post,
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:only => [:show, :edit, :update, :destroy]
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# GET /posts
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# GET /posts.xml
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def index
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@posts = Post.all
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respond_to do |format|
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format.html # index.html.erb
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format.xml { render :xml => @posts }
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end
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end
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# GET /posts/1
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# GET /posts/1.xml
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def show
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respond_to do |format|
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format.html # show.html.erb
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format.xml { render :xml => @post }
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end
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end
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# GET /posts/new
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# GET /posts/new.xml
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def new
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@post = Post.new
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respond_to do |format|
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format.html # new.html.erb
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format.xml { render :xml => @post }
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end
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end
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# GET /posts/1/edit
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def edit
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end
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# POST /posts
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# POST /posts.xml
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def create
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@post = Post.new(params[:post])
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respond_to do |format|
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if @post.save
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format.html { redirect_to(@post, :notice => 'Post was successfully created.') }
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format.xml { render :xml => @post, :status => :created, :location => @post }
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else
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format.html { render :action => "new" }
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format.xml { render :xml => @post.errors, :status => :unprocessable_entity }
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end
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end
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end
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# PUT /posts/1
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# PUT /posts/1.xml
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def update
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respond_to do |format|
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if @post.update_attributes(params[:post])
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format.html { redirect_to(@post, :notice => 'Post was successfully updated.') }
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format.xml { head :ok }
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else
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format.html { render :action => "edit" }
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format.xml { render :xml => @post.errors, :status => :unprocessable_entity }
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end
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end
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end
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# DELETE /posts/1
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# DELETE /posts/1.xml
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def destroy
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@post.destroy
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respond_to do |format|
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format.html { redirect_to(posts_url) }
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format.xml { head :ok }
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end
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end
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private
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def find_post
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@post = Post.find(params[:id])
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end
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end

‎app/helpers/application_helper.rb

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module ApplicationHelper
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end

‎app/helpers/comments_helper.rb

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module CommentsHelper
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end

‎app/helpers/home_helper.rb

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module HomeHelper
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end

‎app/helpers/posts_helper.rb

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module PostsHelper
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end

‎app/models/comment.rb

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class Comment < ActiveRecord::Base
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belongs_to :post
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end

‎app/models/post.rb

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class Post < ActiveRecord::Base
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validates :name, :presence => true
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validates :title, :presence => true,
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:length => { :minimum => 5 }
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has_many :comments
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has_many :tags
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accepts_nested_attributes_for :tags, :allow_destroy => :true,
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:reject_if => proc { |attrs| attrs.all? { |k, v| v.blank? } }
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end

‎app/models/tag.rb

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class Tag < ActiveRecord::Base
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belongs_to :post
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end

‎app/views/comments/_form.html.erb

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<% form_for([@post, @comment]) do |f| %>
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<%= f.error_messages %>
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<div class="field">
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<%= f.label :commenter %><br />
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<%= f.text_field :commenter %>
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</div>
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<div class="field">
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<%= f.label :body %><br />
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<%= f.text_area :body %>
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</div>
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<div class="actions">
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<%= f.submit %>
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</div>
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<% end %>

‎app/views/comments/edit.html.erb

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<h1>Editing comment</h1>
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<%= render 'form' %>
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<%= link_to 'Show', post_comment_path(@post, @comment) %> |
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<%= link_to 'Back', post_comments_path(@post) %>

‎app/views/comments/index.html.erb

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<h1>Comments for <%= @post.title %></h1>
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<table>
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<tr>
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<th>Commenter</th>
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<th>Body</th>
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<th></th>
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<th></th>
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<th></th>
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</tr>
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<% @comments.each do |comment| %>
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<tr>
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<td><%= comment.commenter %></td>
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<td><%= comment.body %></td>
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<td><%= link_to 'Show', post_comment_path(@post, comment) %></td>
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<td><%= link_to 'Edit', edit_post_comment_path(@post, comment) %></td>
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<td><%= link_to 'Destroy', post_comment_path(@post, comment),
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:confirm => 'Are you sure?', :method => :delete %></td>
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</tr>
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<% end %>
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</table>
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<br />
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<%= link_to 'New comment', new_post_comment_path(@post) %>
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<%= link_to 'Back to Post', @post %>

‎app/views/comments/new.html.erb

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<h1>New comment</h1>
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<%= render 'form' %>
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<%= link_to 'Back', post_comments_path(@post) %>

‎app/views/comments/show.html.erb

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<h1>Comment on <%= @post.title %></h1>
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<p>
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<b>Commenter:</b>
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<%= @comment.commenter %>
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</p>
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<p>
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<b>Comment:</b>
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<%= @comment.body %>
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</p>
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<%= link_to 'Edit', edit_post_comment_path(@post, @comment) %> |
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<%= link_to 'Back', post_comments_path(@post) %>

‎app/views/home/index.html.erb

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<h1>Hello, Rails!</h1>
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<%= link_to "My Blog", posts_path %>

‎app/views/layouts/posts.html.erb

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<!DOCTYPE html>
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<html>
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<head>
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<title>Posts: <%= controller.action_name %></title>
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<%= stylesheet_link_tag 'scaffold' %>
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</head>
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<body style="background: #EEEEEE;">
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<p class="notice"><%= notice %></p>
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<%= yield %>
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</body>
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</html>

‎app/views/posts/_form.html.erb

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<% @post.tags.build if @post.tags.empty? %>
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<% form_for(@post) do |post_form| %>
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<%= post_form.error_messages %>
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<div class="field">
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<%= post_form.label :name %><br />
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<%= post_form.text_field :name %>
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</div>
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<div class="field">
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<%= post_form.label :title %><br />
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<%= post_form.text_field :title %>
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</div>
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<div class="field">
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<%= post_form.label :content %><br />
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<%= post_form.text_area :content %>
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</div>
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<h2>Tags</h2>
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<% post_form.fields_for :tags do |tag_form| %>
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<div class="field">
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<%= tag_form.label :name, 'Tag:' %>
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<%= tag_form.text_field :name %>
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</div>
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<% unless tag_form.object.nil? || tag_form.object.new_record? %>
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<div class="field">
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<%= tag_form.label :_delete, 'Remove:' %>
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<%= tag_form.check_box :_delete %>
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</div>
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<% end %>
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<% end %>
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<div class="actions">
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<%= post_form.submit %>
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</div>
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<% end %>

‎app/views/posts/edit.html.erb

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<h1>Editing post</h1>
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<%= render 'form' %>
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<%= link_to 'Show', @post %> |
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<%= link_to 'Back', posts_path %>

‎app/views/posts/index.html.erb

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<h1>Listing posts</h1>
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<table>
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<tr>
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<th>Name</th>
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<th>Title</th>
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<th>Content</th>
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<th></th>
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<th></th>
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<th></th>
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</tr>
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<% @posts.each do |post| %>
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<tr>
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<td><%= post.name %></td>
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<td><%= post.title %></td>
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<td><%= post.content %></td>
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<td><%= link_to 'Show', post %></td>
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<td><%= link_to 'Edit', edit_post_path(post) %></td>
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<td><%= link_to 'Destroy', post, :confirm => 'Are you sure?', :method => :delete %></td>
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</tr>
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<% end %>
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</table>
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<br />
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<%= link_to 'New post', new_post_path %>

‎app/views/posts/new.html.erb

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<h1>New post</h1>
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<%= render 'form' %>
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<%= link_to 'Back', posts_path %>

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