Implement Items#show

examples/auction/Gemfile

@@ -9,6 +9,7 @@ gem 'bcrypt-ruby', '~> 3.0.0', require: 'bcrypt'
 gem 'slim-rails'
 
 gem 'draper'
+gem 'github-markdown'
 
 group :assets do
   gem 'sass-rails',   '~> 3.2.3'

examples/auction/app/assets/stylesheets/application.css.scss

@@ -15,6 +15,12 @@
 @import 'compass/css3';
 @import 'compass_twitter_bootstrap';
 
+.emoji {
+  width: 1em;
+  height: 1em;
+  vertical-align: baseline;
+}
+
 .input-block-level {
   @include box-sizing(border-box);
   width: 100%;

examples/auction/app/controllers/items_controller.rb

@@ -8,4 +8,12 @@ def show
   def new
     @item = Item.new
   end
+
+  def create
+    @item = current_user.items.create!(params[:item])
+
+    redirect_to item_path(@item)
+  rescue Activrecord::RecordInvalid
+    render :new
+  end
 end

examples/auction/app/decorators/item_decorator.rb

@@ -1,3 +1,13 @@
 class ItemDecorator < Draper::Base
+  include Draper::LazyHelpers
+
   decorates :item
+
+  def created_at
+    distance_of_time_in_words(Time.now, source.created_at)
+  end
+
+  def description
+    emojify(markdown(source.description))
+  end
 end

examples/auction/app/helpers/application_helper.rb

@@ -1,2 +1,16 @@
 module ApplicationHelper
+  def emojify(content)
+    h(content).to_str.gsub(/:(?<emoji>[a-z0-9\+\-_]+):/) do |match|
+      emoji = $~[:emoji]
+      if Emoji.names.include?(emoji)
+        image_tag("emoji/#{emoji}.png", alt: emoji, class: 'emoji')
+      else
+        match
+      end
+    end.html_safe if content.present?
+  end
+
+  def markdown(content)
+    GitHub::Markdown.render_gfm(content).html_safe
+  end
 end

examples/auction/app/views/items/_form.html.slim

@@ -17,3 +17,5 @@ h1 #{item.new_record? ? 'New' : 'Edit'} Item
     label.control-label for='item_description' Description
     .controls
       = f.text_area :description, class: 'input-block-level'
+  .form-actions
+    = submit_tag item.new_record? ? 'create' : 'update', class: 'btn btn-primary'

examples/auction/app/views/items/show.html.slim

@@ -0,0 +1,6 @@
+h1= @item.title
+p create at #{@item.created_at}
+
+p Bottom Price: #{@item.bottom_price}
+
+.description= @item.description