Re-namespacing a bit to clear out some fairly old stuff from the top level

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/application_controller.rb

@@ -0,0 +1,28 @@
+class ApplicationController < ActionController::Base
+  before_filter :set_user, :count_visits
+  protect_from_forgery
+
+  private
+  def count_visits
+    value = (cookies[:visits] || '0').to_i
+    cookies[:visits] = (value + 1).to_s
+    @visits = cookies[:visits]
+  end
+
+  protected
+  def set_user
+    @user = User.find(session[:id]) if @user.nil? && session[:id]
+  end
+
+  def login_required
+    return true if @user
+    access_denied
+    return false
+  end
+
+  def access_denied
+    session[:return_to] = request.fullpath
+    flash[:error] = 'Oops.  You need to login before you can view that page.'
+    redirect_to :controller => 'user', :action => 'login'
+  end
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/foo_controller.rb

@@ -0,0 +1,18 @@
+class FooController < ApplicationController
+  layout :figure_out_layout
+
+  def index
+  end
+
+  def pretty
+  end
+
+  def figure_out_layout
+    if action_name =~ /pretty/
+      'pretty'
+    else
+      'standard'
+    end
+  end
+
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/hello_controller.rb

@@ -0,0 +1,5 @@
+class HelloController < ApplicationController
+  def world
+  end
+
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/index_controller.rb

@@ -0,0 +1,6 @@
+class IndexController < ApplicationController
+  def index
+    session[:first_time] ||= Time.now
+  end
+
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/list_controller.rb

@@ -0,0 +1,20 @@
+require 'sha1'
+
+class ListController < ApplicationController
+  def index
+    @list = [1, "string", :symbol, ['list']]
+  end
+
+  def shopping_list
+    @list = [ListItem.new(4, 'aspirin'), ListItem.new(199, 'succotash')]
+  end
+
+end
+
+
+class ListItem
+  attr_accessor :name, :id
+  def initialize(id, name)
+    @id, @name = id, name
+  end
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/novel_controller.rb

@@ -0,0 +1,25 @@
+$one = 1
+
+class NovelController < ApplicationController
+  $two = 2
+
+  def index
+    @title = 'Shattered View: a Novel on Rails'
+    one_plus_one = 1 + 1
+    increment_counter one_plus_one
+  end
+
+  def helper_method
+    @help_message = "I see you've come to me for help."
+  end
+
+  def increment_counter(by)
+    @counter ||= 0
+    @counter += by
+  end
+
+  def sequel
+    $three = 3
+  end
+
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/people_controller.rb

@@ -0,0 +1,5 @@
+class PeopleController < ApplicationController
+  def list
+  end
+
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/status_controller.rb

@@ -0,0 +1,8 @@
+class StatusController < ApplicationController
+  def index
+    @title = "System Status"
+    time = Time.now
+    @time = time
+    @ps = `ps aux`
+  end
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/controllers/user_controller.rb

@@ -0,0 +1,28 @@
+class UserController < ApplicationController
+  before_filter :login_required, :only => :my_account
+
+  def login
+    @user = User.new
+    @user.username = params[:username]
+  end
+
+  def process_login
+    if user = User.authenticate(params[:user])
+      session[:id] = user.id
+      redirect_to session[:return_to] || '/'
+    else
+      flash[:error] = 'Invalid login.'
+      redirect_to :action => 'login', :username => params[:user][:username]
+    end
+  end
+
+  def logout
+    reset_session
+    flash[:message] = 'Logged out.'
+    redirect_to :action => 'login'
+  end
+
+  def my_account
+  end
+
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/helpers/application_helper.rb

@@ -0,0 +1,2 @@
+module ApplicationHelper
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/helpers/foo_helper.rb

@@ -0,0 +1,2 @@
+module FooHelper
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/helpers/index_helper.rb

@@ -0,0 +1,2 @@
+module IndexHelper
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/helpers/list_helper.rb

@@ -0,0 +1,9 @@
+require 'sha1'
+
+
+module ListHelper
+  def create_li(item, i)
+    %{<li class="#{ i % 2 == 0 ? 'even' : 'odd' }">#{i}:
+        #{SHA1.new(item.object_id.to_s)}</li>}
+  end
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/helpers/people_helper.rb

@@ -0,0 +1,2 @@
+module PeopleHelper
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/helpers/user_helper.rb

@@ -0,0 +1,2 @@
+module UserHelper
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/models/person.rb

@@ -0,0 +1,2 @@
+class Person < ActiveRecord::Base
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/models/user.rb

@@ -0,0 +1,32 @@
+require 'sha1'
+
+
+class User < ActiveRecord::Base
+  attr_accessor :password
+  attr_protected :hashed_password
+  validates_uniqueness_of :username
+  validates_confirmation_of :password, :if => lambda { |user|
+    user.new_record? or not user.password.blank? }
+  validates_length_of :password, :within => 5..40, :if => lambda { |user|
+    user.new_record? or not user.password.blank? }
+
+  def self.hashed(str)
+    SHA1.new(str).to_s
+  end
+
+  def self.authenticate(user_info)
+    user = find_by_username(user_info[:username])
+    if user && user.hashed_password == hashed(user_info[:password])
+      return user
+    end
+  end
+
+  private
+  before_save :update_password
+
+  def update_password
+    if not password.blank?
+      self.hashed_password = self.class.hashed(password)
+    end
+  end
+end

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/foo/count.html.erb

@@ -0,0 +1,2 @@
+<h1>Foo#count</h1>
+<p>Find me in app/views/foo/count.html.erb</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/foo/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Foo#index</h1>
+<p>Find me in app/views/foo/index.html.erb</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/foo/pretty.html.erb

@@ -0,0 +1,2 @@
+<h1>Foo#pretty</h1>
+<p>Find me in app/views/foo/pretty.html.erb</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/hello/world.html.erb

@@ -0,0 +1,11 @@
+<h1>Several increasingly silly ways of displaying &ldquo;Hello world!&rdquo;:</h1>
+
+<p><%= "Hello world!" %></p>
+<p><%= "Hello" + " world!" %></p>
+<p><%= w = "world"
+            "Hello #{w}!" %></p>
+<p><%= 'H' + ?e.chr + ('l' * 2) %><%= ('o word!').gsub('d', 'ld')%></p>
+
+<% hello = "Hello" %>
+<% world = "world!" %>
+<%= hello %> <%= world %>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/index/index.html.erb

@@ -0,0 +1,4 @@
+<p>You first visited this site on <%= session[:first_time] %>.</p>
+<p>That was <%= time_ago_in_words session[:first_time] %> ago.</p>
+
+<p>You have visited this website&#39;s pages <%= @visits %> time(s).</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/layouts/application.html.erb

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>My Website - <%= @title %></title>
+  </head>
+  <body>
+    <%= yield %>
+  </body>
+</html>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/layouts/bar.html.erb

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>BAR :: My Website - <%= @title %></title>
+  </head>
+  <body>
+    <%= yield %>
+  </body>
+</html>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/layouts/count.html.erb

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>COUNT :: My Website - <%= @title %></title>
+  </head>
+  <body>
+    <%= yield %>
+  </body>
+</html>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/layouts/pretty.html.erb

@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>My Pretty Website - <%= @title %></title>
+    <style type="text/css">
+      body {
+        background: #f99;
+        color: #222;
+      }
+    </style>
+  </head>
+  <body>
+    <%= yield %>
+  </body>
+</html>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/layouts/standard.html.erb

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>My Plain Website - <%= @title %></title>
+  </head>
+  <body>
+    <%= yield %>
+  </body>
+</html>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/list/_new_item_form.html.erb

@@ -0,0 +1,4 @@
+<%= form_tag :action => 'new' do %>
+    Item: <%= text_field "item", "value" %>&#x00A;
+    <%= submit_tag "Add new item" %>
+<% end %>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/list/index.html.erb

@@ -0,0 +1,5 @@
+<ul style="font-family:monospace;">
+  <% @list.each_with_index do |item, i| %>
+    <%= create_li(item, i).html_safe %>
+  <% end %>
+</ul>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/list/shopping_list.html.erb

@@ -0,0 +1,11 @@
+<h2>My shopping list</h2>
+
+<ul>
+  <% @list.each do |item| %>
+    <li><%= item.name %>
+    <%= link_to 'Delete', {:action => 'delete', :id => item.id} %>
+    </li>
+  <% end %>
+</ul>
+
+<%= render :partial => 'new_item_form' %>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/novel/index.html.erb

@@ -0,0 +1,6 @@
+<h1><%= @title %></h1>
+
+<p>I looked up, but saw only the number <%= @counter %></p>
+
+<p>&ldquo;What are you doing here?&rdquo; I asked sharply. &ldquo;Was it
+    <%= @counter.succ %> who sent you?&rdquo;</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/novel/sequel.html.erb

@@ -0,0 +1,2 @@
+<p>Here they come, the counting numbers,
+<%= $one %>, <%= $two %>, <%= $three %>.</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/people/list.html.erb

@@ -0,0 +1,6 @@
+<!-- list.rhtml -->
+<ul>
+    <% Person.find(:all).each do |person| %>
+    <li>Name: <%= person.name %>, Email: <%= person.email %></li>
+    <% end %>
+</ul>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/status/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Processes running at <%= @time %></h1>
+<pre><%= @ps %></pre>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/user/login.html.erb

@@ -0,0 +1,14 @@
+<% if @flash %>
+  <% if @flash[:message] %>
+    <div id="flash-message"><%= @flash[:message] %></div>
+  <% end %>
+  <% if @flash[:error] %>
+    <div id="flash-error"><%= @flash[:error] %></div>
+  <% end %>
+<% end %>
+
+<%= form_tag :action => 'process_login' do %>
+  <label for="username">Username:</label> <%= text_field "user", "username" %>&#x00A;
+  <label for="password">Password:</label> <%= password_field "user", "password" %>&#x00A;
+  <%= submit_tag %>
+<% end %>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/user/logout.html.erb

@@ -0,0 +1,2 @@
+<h1>User#logout</h1>
+<p>Find me in app/views/user/logout.html.erb</p>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/user/my_account.html.erb

@@ -0,0 +1,3 @@
+<h1>Account Info</h1>
+
+<p>Your username is <%= User.find(session[:id]).username %>

oldstuff/RubyFun/cookbook/015/hodgepodge/app/views/user/process_login.html.erb

@@ -0,0 +1,2 @@
+<h1>User#process_login</h1>
+<p>Find me in app/views/user/process_login.html.erb</p>