adds an RSS feed via pages/all.rss

.gitignore

@@ -3,6 +3,7 @@ tmp/**/*
 config/app_config.yml
 config/database.yml
 config/initializers/secret_token.rb
+config/initializers/rss_token.rb
 db/*.sqlite3
 nbproject/
 config/environments/development.rb

Gemfile.lock

@@ -23,6 +23,7 @@ PATH
  specs:
  foodsoft_wiki (0.0.1)
  acts_as_versioned
+ diffy
  rails (~> 3.2.15)
  wikicloth
 
@@ -112,6 +113,7 @@ GEM
  database_cleaner (1.2.0)
  debug_inspector (0.0.2)
  diff-lcs (1.2.5)
+ diffy (3.0.1)
  docile (1.1.1)
  erubis (2.7.0)
  eventmachine (1.0.3)

app/controllers/application_controller.rb

@@ -31,7 +31,14 @@ def deny_access
 
  private
 
+ def authenticated_for_rss?
+ controller_name == "pages" && action_name == "all" && defined?(FoodsoftWiki::Engine) && FoodsoftConfig[:rss_token] && params[:token] == FoodsoftConfig[:rss_token]
+ end
+
  def authenticate(role = 'any')
+ # RSS works with a token
+ return true if authenticated_for_rss?
+
  # Attempt to retrieve authenticated user from controller instance or session...
  if !current_user
  # No user at all: redirect to login page.

app/views/layouts/_header.html.haml

@@ -8,7 +8,9 @@
  = csrf_meta_tags
  = stylesheet_link_tag "application", :media => "all"
  //%link(href="images/favicon.ico" rel="shortcut icon")
-
+ - if respond_to? :rss_meta_tag
+ = rss_meta_tag
+
  = yield(:head)
 
  %body

lib/foodsoft_wiki/app/controllers/pages_controller.rb

@@ -114,6 +114,10 @@ def all
  end
  @pages.order(order)
  end
+ respond_to do |format|
+ format.html
+ format.rss { render :layout => false }
+ end
  end
 
  def version

lib/foodsoft_wiki/app/helpers/pages_helper.rb

@@ -1,6 +1,13 @@
 module PagesHelper
  include WikiCloth
 
+ def rss_meta_tag
+ if FoodsoftConfig[:rss_token]
+ url = all_pages_url(:format => :rss, :token => FoodsoftConfig[:rss_token])
+ tag('link', :rel => "alternate", :type => "application/rss+xml", :title => "RSS", :href => url).html_safe
+ end
+ end
+
  def wikified_body(body, title = nil)
  render_opts = {:locale => I18n.locale} # workaround for wikicloth 0.8.0 https://github.com/nricciar/wikicloth/pull/59
  WikiCloth.new({:data => body+"\n", :link_handler => Wikilink.new, :params => {:referer => title}}).to_html(render_opts).html_safe

lib/foodsoft_wiki/app/models/page.rb

@@ -33,6 +33,24 @@ def set_permalink
  self.permalink = Page.count == 0 ? "Home" : Page.permalink(title)
  end
  end
+
+ def diff
+ current = versions.order('id DESC').first
+ old = versions.order('id DESC').second
+
+ if old
+ o = ''
+ Diffy::Diff.new(old.body, current.body).each do |line|
+ case line
+ when /^\+/ then o += "#{line.chomp}<br />" unless line.chomp == "+"
+ when /^-/ then o += "#{line.chomp}<br />" unless line.chomp == "-"
+ end
+ end
+ o
+ else
+ current.body
+ end
+ end
 
  protected
 

lib/foodsoft_wiki/app/views/pages/all.html.haml

@@ -9,6 +9,7 @@
  %li= link_to t('.recent_changes'), all_pages_path(:view => 'recent_changes')
  %li= link_to t('.title_list'), all_pages_path(:view => 'title_list')
  %li= link_to t('.site_map'), all_pages_path(:view => 'site_map')
+ %li= link_to image_tag('icons/feed-icon-14x14.png', :alt => 'RSS Feed'), all_pages_url(:format => :rss, :token => FoodsoftConfig[:rss_token])
  = form_tag all_pages_path, method: :get, class: 'form-search pull-right' do
  = text_field_tag :name, params[:name], class: 'input-medium search-query',
  placeholder: t('.search.placeholder')

lib/foodsoft_wiki/app/views/pages/all.rss.builder

@@ -0,0 +1,19 @@
+xml.instruct! :xml, :version => "1.0" 
+xml.rss :version => "2.0" do
+ xml.channel do
+ xml.title FoodsoftConfig[:name] + " Wiki"
+ xml.description ""
+ xml.link FoodsoftConfig[:homepage]
+
+ for page in @pages
+ xml.item do
+ xml.title page.title
+ xml.description page.diff, :type => "html"
+ xml.author User.find(page.updated_by).display
+ xml.pubDate page.updated_at.to_s(:rfc822)
+ xml.link wiki_page_path(page.permalink)
+ xml.guid wiki_page_path(page.permalink)
+ end
+ end
+ end
+end

lib/foodsoft_wiki/foodsoft_wiki.gemspec

@@ -19,6 +19,6 @@ Gem::Specification.new do |s|
  s.add_dependency "rails", "~> 3.2.15"
  s.add_dependency 'wikicloth'
  s.add_dependency 'acts_as_versioned' # need git version, make sure that is included in foodsoft's Gemfile
-
+ s.add_dependency 'diffy'
  s.add_development_dependency "sqlite3"
 end

lib/foodsoft_wiki/lib/foodsoft_wiki.rb

@@ -1,5 +1,6 @@
 require 'wikicloth'
 require 'acts_as_versioned'
+require "diffy"
 require 'foodsoft_wiki/engine'
 
 module FoodsoftWiki

lib/tasks/foodsoft_setup.rake

@@ -1,3 +1,5 @@
+require 'stringio'
+
 # put in here all foodsoft tasks
 # => :environment loads the environment an gives easy access to the application
 
@@ -23,8 +25,6 @@ module Colors
 end
 include Colors
 
-require 'stringio'
-
 namespace :foodsoft do
  desc "Setup foodsoft"
  task :setup_development do
@@ -34,6 +34,7 @@ namespace :foodsoft do
  setup_development
  setup_database
  setup_secret_token
+ setup_rss_token
  start_mailcatcher
  puts yellow "All done! Your foodcoft should be running smoothly."
  start_server
@@ -82,10 +83,11 @@ end
 
 def setup_app_config
  file = 'config/app_config.yml'
+ sample = Rails.root.join("#{file}.SAMPLE")
  return nil if skip?(file)
 
  puts yellow "Copying #{file}..."
- %x( cp #{Rails.root.join("#{file}.SAMPLE")} #{Rails.root.join(file)} )
+ %x( cp #{sample} #{Rails.root.join(file)} )
  reminder(file)
 end
 
@@ -108,6 +110,15 @@ def setup_secret_token
  %x( touch #{Rails.root.join("#{file}")}; echo 'Foodsoft::Application.config.secret_token = "#{secret.chomp}"' > #{Rails.root.join("#{file}")} )
 end
 
+def setup_rss_token
+ file = 'config/initializers/rss_token.rb'
+ return nil if skip?(file)
+
+ puts yellow "Generating rss_token and writing to #{file}..."
+ secret = SecureRandom.hex
+ %x( touch #{Rails.root.join("#{file}")}; echo 'FoodsoftConfig.config[:rss_token] = "#{secret.chomp}"' > #{Rails.root.join("#{file}")} )
+end
+
 def start_mailcatcher
  mailcatcher = ask("Do you want to start mailcatcher?\nOptions:\n(y) Yes\n(n) No", ["y","n"])
  if mailcatcher === "y"
@@ -120,6 +131,8 @@ def start_server
  puts blue "Start your server running 'bundle exec rails s' and visit http://localhost:3000"
 end
 
+# Helper Methods
+
 def ask(question, answers = false)
  puts question
  input = STDIN.gets.chomp
@@ -149,3 +162,4 @@ def capture_stdout
 ensure
  $stdout = STDOUT
 end
+