From d7ec763c7ce069824aad24a6bd0d845ee74ed10d Mon Sep 17 00:00:00 2001
From: hukl <contact@smyck.org>
Date: Thu, 10 Sep 2009 16:01:41 +0200
Subject: added public rss controller plus template to render the latest 20
 updates into a neat little atom feed

---
 app/controllers/rss_controller.rb                  | 16 +++++++++++++++
 app/helpers/rss_helper.rb                          |  2 ++
 app/views/rss/updates.xml.builder                  | 23 ++++++++++++++++++++++
 config/initializers/xmlparser.rb                   |  8 ++++++++
 config/routes.rb                                   |  3 +++
 test/functional/rss_controller_test.rb             |  8 ++++++++
 test/unit/helpers/rss_helper_test.rb               |  4 ++++
 .../acts_as_taggable_redux/lib/acts_as_taggable.rb |  5 +++--
 8 files changed, 67 insertions(+), 2 deletions(-)
 create mode 100644 app/controllers/rss_controller.rb
 create mode 100644 app/helpers/rss_helper.rb
 create mode 100644 app/views/rss/updates.xml.builder
 create mode 100644 test/functional/rss_controller_test.rb
 create mode 100644 test/unit/helpers/rss_helper_test.rb

diff --git a/app/controllers/rss_controller.rb b/app/controllers/rss_controller.rb
new file mode 100644
index 0000000..d2540d0
--- /dev/null
+++ b/app/controllers/rss_controller.rb
@@ -0,0 +1,16 @@
+class RssController < ApplicationController
+  
+  def updates
+    
+    @items = Page.heads.find_tagged_with(
+      "update",
+      :order => "published_at DESC",
+      :limit => 20
+    )
+    
+    respond_to do |format|
+      format.xml {}
+    end
+  end
+
+end
diff --git a/app/helpers/rss_helper.rb b/app/helpers/rss_helper.rb
new file mode 100644
index 0000000..9031e55
--- /dev/null
+++ b/app/helpers/rss_helper.rb
@@ -0,0 +1,2 @@
+module RssHelper
+end
diff --git a/app/views/rss/updates.xml.builder b/app/views/rss/updates.xml.builder
new file mode 100644
index 0000000..541ad4e
--- /dev/null
+++ b/app/views/rss/updates.xml.builder
@@ -0,0 +1,23 @@
+xml.instruct!
+xml.feed(:xmlns => "http://www.w3.org/2005/Atom") do
+  xml.title("Chaos Computer Club Updates")
+  xml.link(:href => "http://www.ccc.de/")
+  xml.updated(@items.first.published_at)
+  xml.author("Chaos Computer Club e.V.")
+  xml.id("http://www.ccc.de/")
+  
+  @items.each do |item|
+    xml.entry do
+      xml.title(item.title)
+      port = (request.port != 80) ? port = ":#{request.port}" : ""
+      xml.link(request.protocol + request.host + port + item.public_link)
+      xml.id(request.protocol + request.host + port + item.public_link)
+      xml.updated(item.updated_at)
+      xml.content(:type => "xhtml") do
+        xml.div(item.body, :xmlns => "http://www.w3.org/1999/xhtml")
+      end
+    end
+    
+  end
+  
+end
\ No newline at end of file
diff --git a/config/initializers/xmlparser.rb b/config/initializers/xmlparser.rb
index ba8660a..9c3f1c8 100644
--- a/config/initializers/xmlparser.rb
+++ b/config/initializers/xmlparser.rb
@@ -3,4 +3,12 @@ class XML::Node
     self.next = other
     remove!
   end
+end
+
+module Builder
+  class XmlBase
+    def _escape(text)
+      text
+    end
+  end
 end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 1706dad..d591619 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -23,6 +23,9 @@ ActionController::Routing::Routes.draw do |map|
   map.resources :menu_items, :member => {:sort => :post}
   map.resource  :session
   
+  map.rss       'rss/:action',         :controller => 'rss'
+  map.rss       'rss/:action.:format', :controller => 'rss'
+  
   map.connect   ':controller/:action/:id'
   map.connect   ':controller/:action/:id.:format'
   
diff --git a/test/functional/rss_controller_test.rb b/test/functional/rss_controller_test.rb
new file mode 100644
index 0000000..161dbd7
--- /dev/null
+++ b/test/functional/rss_controller_test.rb
@@ -0,0 +1,8 @@
+require 'test_helper'
+
+class RssControllerTest < ActionController::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end
diff --git a/test/unit/helpers/rss_helper_test.rb b/test/unit/helpers/rss_helper_test.rb
new file mode 100644
index 0000000..b040b3e
--- /dev/null
+++ b/test/unit/helpers/rss_helper_test.rb
@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class RssHelperTest < ActionView::TestCase
+end
diff --git a/vendor/plugins/acts_as_taggable_redux/lib/acts_as_taggable.rb b/vendor/plugins/acts_as_taggable_redux/lib/acts_as_taggable.rb
index 6b5e8b9..e070d2b 100644
--- a/vendor/plugins/acts_as_taggable_redux/lib/acts_as_taggable.rb
+++ b/vendor/plugins/acts_as_taggable_redux/lib/acts_as_taggable.rb
@@ -30,7 +30,7 @@ module ActiveRecord
         end
 
         def tagged_with_scope(tags, options={})
-          options.assert_valid_keys([:match, :order, :user])
+          options.assert_valid_keys([:match, :order, :user, :limit])
 
           tags = Tag.parse(tags)
           return [] if tags.empty?
@@ -44,7 +44,8 @@ module ActiveRecord
                         "LEFT OUTER JOIN #{Tag.table_name} #{table_name}_tags ON #{table_name}_tags.id = #{table_name}_taggings.tag_id",
             :conditions => conditions,
             :group  =>  group,
-            :order => options[:order]
+            :order => options[:order],
+            :limit => options[:limit]
           }
 
           with_scope(:find => find_parameters) { yield }
-- 
cgit v1.3