adding episode 171

buyaka · Jul 20, 2009 · 9fc2839 · 9fc2839
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diff --git a/episode-171/README b/episode-171/README
@@ -0,0 +1,3 @@
+Railscasts Episode #171: Delayed Job
+
+http://railscasts.com/episodes/171
diff --git a/episode-171/mailit/.gitignore b/episode-171/mailit/.gitignore
@@ -0,0 +1,3 @@
+tmp/*
+log/*
+*.sqlite3
diff --git a/episode-171/mailit/README b/episode-171/mailit/README
diff --git a/episode-171/mailit/Rakefile b/episode-171/mailit/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'
diff --git a/episode-171/mailit/app/controllers/application_controller.rb b/episode-171/mailit/app/controllers/application_controller.rb
@@ -0,0 +1,15 @@
+# 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
+
+  # See ActionController::RequestForgeryProtection for details
+  # Uncomment the :secret if you're not using the cookie session store
+  protect_from_forgery # :secret => '3fb7e7755b16e718d0594087efcaddc1'
+
+  # 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
+end
diff --git a/episode-171/mailit/app/controllers/mailings_controller.rb b/episode-171/mailit/app/controllers/mailings_controller.rb
@@ -0,0 +1,50 @@
+class MailingsController < ApplicationController
+  def deliver
+    Delayed::Job.enqueue(MailingJob.new(params[:id]))
+    flash[:notice] = "Mailing currently being delivered."
+    redirect_to mailings_url
+  end
+
+  def index
+    @mailings = Mailing.find(:all)
+  end
+
+  def show
+    @mailing = Mailing.find(params[:id])
+  end
+
+  def new
+    @mailing = Mailing.new
+  end
+
+  def create
+    @mailing = Mailing.new(params[:mailing])
+    if @mailing.save
+      flash[:notice] = "Successfully created mailing."
+      redirect_to @mailing
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @mailing = Mailing.find(params[:id])
+  end
+
+  def update
+    @mailing = Mailing.find(params[:id])
+    if @mailing.update_attributes(params[:mailing])
+      flash[:notice] = "Successfully updated mailing."
+      redirect_to @mailing
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    @mailing = Mailing.find(params[:id])
+    @mailing.destroy
+    flash[:notice] = "Successfully destroyed mailing."
+    redirect_to mailings_url
+  end
+end
diff --git a/episode-171/mailit/app/helpers/application_helper.rb b/episode-171/mailit/app/helpers/application_helper.rb
@@ -0,0 +1,3 @@
+# Methods added to this helper will be available to all templates in the application.
+module ApplicationHelper
+end
diff --git a/episode-171/mailit/app/helpers/layout_helper.rb b/episode-171/mailit/app/helpers/layout_helper.rb
@@ -0,0 +1,23 @@
+# 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
diff --git a/episode-171/mailit/app/helpers/mailings_helper.rb b/episode-171/mailit/app/helpers/mailings_helper.rb
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+module MailingsHelper
+end
diff --git a/episode-171/mailit/app/models/mailing.rb b/episode-171/mailit/app/models/mailing.rb
@@ -0,0 +1,6 @@
+class Mailing < ActiveRecord::Base
+  def deliver
+    sleep 10 # placeholder for sending email
+    update_attribute(:delivered_at, Time.now)
+  end
+end
diff --git a/episode-171/mailit/app/views/layouts/application.html.erb b/episode-171/mailit/app/views/layouts/application.html.erb
@@ -0,0 +1,22 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+  <head>
+    <title><%= h(yield(:title) || "Untitled") %></title>
+    <%= stylesheet_link_tag 'application' %>
+    <%= yield(:head) %>
+  </head>
+  <body>
+    <div id="container">
+      <%- flash.each do |name, msg| -%>
+        <%= content_tag :div, msg, :id => "flash_#{name}" %>
+      <%- end -%>
+      
+      <%- if show_title? -%>
+        <h1><%=h yield(:title) %></h1>
+      <%- end -%>
+      
+      <%= yield %>
+    </div>
+  </body>
+</html>
diff --git a/episode-171/mailit/app/views/mailings/_form.html.erb b/episode-171/mailit/app/views/mailings/_form.html.erb
@@ -0,0 +1,16 @@
+<%= error_messages_for :mailing %>
+<% form_for @mailing do |f| %>
+  <p>
+    <%= f.label :subject %><br />
+    <%= f.text_field :subject %>
+  </p>
+  <p>
+    <%= f.label :content %><br />
+    <%= f.text_area :content %>
+  </p>
+  <p>
+    <%= f.label :delivered_at %><br />
+    <%= f.datetime_select :delivered_at %>
+  </p>
+  <p><%= f.submit "Submit" %></p>
+<% end %>
diff --git a/episode-171/mailit/app/views/mailings/edit.html.erb b/episode-171/mailit/app/views/mailings/edit.html.erb
@@ -0,0 +1,8 @@
+<% title "Edit Mailing" %>
+
+<%= render :partial => 'form' %>
+
+<p>
+  <%= link_to "Show", @mailing %> |
+  <%= link_to "View All", mailings_path %>
+</p>
diff --git a/episode-171/mailit/app/views/mailings/index.html.erb b/episode-171/mailit/app/views/mailings/index.html.erb
@@ -0,0 +1,15 @@
+<% title "Mailings" %>
+
+<% for mailing in @mailings %>
+  <div class="mailing">
+    <h2><%= link_to h(mailing.subject), mailing %></h2>
+    <% unless mailing.delivered_at.nil? %>
+      Delivered on: <%= mailing.delivered_at.to_s(:long) %><br />
+    <% end %>
+    <%= link_to "Edit", edit_mailing_path(mailing) %> |
+    <%= link_to "Destroy", mailing, :confirm => 'Are you sure?', :method => :delete %> |
+    <%= link_to "Deliver", deliver_mailing_path(mailing), :confirm => 'Are you sure?', :method => :post %>
+  </div>
+<% end %>
+
+<p><%= link_to "New Mailing", new_mailing_path %></p>
diff --git a/episode-171/mailit/app/views/mailings/new.html.erb b/episode-171/mailit/app/views/mailings/new.html.erb
@@ -0,0 +1,5 @@
+<% title "New Mailing" %>
+
+<%= render :partial => 'form' %>
+
+<p><%= link_to "Back to List", mailings_path %></p>
diff --git a/episode-171/mailit/app/views/mailings/show.html.erb b/episode-171/mailit/app/views/mailings/show.html.erb
@@ -0,0 +1,20 @@
+<% title "Mailing" %>
+
+<p>
+  <strong>Subject:</strong>
+  <%=h @mailing.subject %>
+</p>
+<p>
+  <strong>Content:</strong>
+  <%=h @mailing.content %>
+</p>
+<p>
+  <strong>Delivered At:</strong>
+  <%=h @mailing.delivered_at %>
+</p>
+
+<p>
+  <%= link_to "Edit", edit_mailing_path(@mailing) %> |
+  <%= link_to "Destroy", @mailing, :confirm => 'Are you sure?', :method => :delete %> |
+  <%= link_to "View All", mailings_path %>
+</p>
diff --git a/episode-171/mailit/config/boot.rb b/episode-171/mailit/config/boot.rb
@@ -0,0 +1,110 @@
+# Don't change this file!
+# Configure your app in config/environment.rb and config/environments/*.rb
+
+RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT)
+
+module Rails
+  class << self
+    def boot!
+      unless booted?
+        preinitialize
+        pick_boot.run
+      end
+    end
+
+    def booted?
+      defined? Rails::Initializer
+    end
+
+    def pick_boot
+      (vendor_rails? ? VendorBoot : GemBoot).new
+    end
+
+    def vendor_rails?
+      File.exist?("#{RAILS_ROOT}/vendor/rails")
+    end
+
+    def preinitialize
+      load(preinitializer_path) if File.exist?(preinitializer_path)
+    end
+
+    def preinitializer_path
+      "#{RAILS_ROOT}/config/preinitializer.rb"
+    end
+  end
+
+  class Boot
+    def run
+      load_initializer
+      Rails::Initializer.run(:set_load_path)
+    end
+  end
+
+  class VendorBoot < Boot
+    def load_initializer
+      require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
+      Rails::Initializer.run(:install_gem_spec_stubs)
+      Rails::GemDependency.add_frozen_gem_path
+    end
+  end
+
+  class GemBoot < Boot
+    def load_initializer
+      self.class.load_rubygems
+      load_rails_gem
+      require 'initializer'
+    end
+
+    def load_rails_gem
+      if version = self.class.gem_version
+        gem 'rails', version
+      else
+        gem 'rails'
+      end
+    rescue Gem::LoadError => load_error
+      $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.)
+      exit 1
+    end
+
+    class << self
+      def rubygems_version
+        Gem::RubyGemsVersion rescue nil
+      end
+
+      def gem_version
+        if defined? RAILS_GEM_VERSION
+          RAILS_GEM_VERSION
+        elsif ENV.include?('RAILS_GEM_VERSION')
+          ENV['RAILS_GEM_VERSION']
+        else
+          parse_gem_version(read_environment_rb)
+        end
+      end
+
+      def load_rubygems
+        require 'rubygems'
+        min_version = '1.3.1'
+        unless rubygems_version >= min_version
+          $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.)
+          exit 1
+        end
+
+      rescue LoadError
+        $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org)
+        exit 1
+      end
+
+      def parse_gem_version(text)
+        $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/
+      end
+
+      private
+        def read_environment_rb
+          File.read("#{RAILS_ROOT}/config/environment.rb")
+        end
+    end
+  end
+end
+
+# All that for this:
+Rails.boot!
diff --git a/episode-171/mailit/config/database.yml b/episode-171/mailit/config/database.yml
@@ -0,0 +1,19 @@
+# SQLite version 3.x
+#   gem install sqlite3-ruby (not necessary on OS X Leopard)
+development:
+  adapter: sqlite3
+  database: db/development.sqlite3
+  timeout: 5000
+
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+  adapter: sqlite3
+  database: db/test.sqlite3
+  timeout: 5000
+
+production:
+  adapter: sqlite3
+  database: db/production.sqlite3
+  timeout: 5000