Merge branch 'podcast' for Issue tomohiro#5

Gemfile.lock

@@ -4,6 +4,7 @@ PATH
     airplayer (0.0.5)
       airplay
       mime-types
+      nokogiri
       rack
       ruby-progressbar
       thor
@@ -27,6 +28,7 @@ GEM
     mime-types (1.19)
     net-http-digest_auth (1.2.1)
     net-http-persistent (2.8)
+    nokogiri (1.5.5)
     rack (1.4.1)
     rake (0.9.2.2)
     rspec (2.11.0)

airplayer.gemspec

@@ -20,6 +20,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency 'airplay'
   gem.add_runtime_dependency 'rack'
   gem.add_runtime_dependency 'mime-types'
+  gem.add_runtime_dependency 'nokogiri'
 
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'rspec'

lib/airplayer/app.rb

@@ -2,7 +2,7 @@
 
 module AirPlayer
   class App < Thor
-    desc 'play <URI|FILE|DIR> [-r|--repeat] [-s|--shuffle]', 'Play video(URI or local video file path or video directory)'
+    desc 'play <URI|Podcast XML|FILE|DIR> [-r|--repeat] [-s|--shuffle]', 'Play video(URI or Podcast XML URI or local video file path or video directory)'
     method_option :repeat,  :aliases => '-r', :desc => 'Repeat play',  :type => :boolean
     method_option :shuffle, :aliases => '-s', :desc => 'Shuffle play', :type => :boolean
     def play(target)

lib/airplayer/playlist.rb

@@ -1,3 +1,6 @@
+require 'rss'
+require 'nokogiri'
+
 module AirPlayer
   class Playlist < Array
     def initialize(options = {})
@@ -6,8 +9,14 @@ def initialize(options = {})
     end
 
     def add(item)
-      path = File.expand_path(item)
-      Dir.exists?(path) ? concat(media_in(path)) : push(Media.new(item))
+      case type(item)
+      when :local
+        concat(media_in_local(item))
+      when :podcast
+        concat(media_in_podcast(item))
+      when :url
+        push(Media.new(item))
+      end
       self
     end
 
@@ -20,10 +29,26 @@ def entries(&blk)
     end
 
     private
-      def media_in(path)
-        Dir.entries(path).sort.map do |node|
+      def type(item)
+        if Dir.exists?(File.expand_path(item))
+          :local
+        elsif RSS::Parser.parse(open(item))
+          :podcast
+        else
+          :url
+        end
+      end
+
+      def media_in_local(path)
+        Dir.entries(File.expand_path(path)).sort.map do |node|
           Media.new(File.expand_path(node, path)) if Media.playable? node
         end.compact
       end
+
+      def media_in_podcast(path)
+        Nokogiri::XML(open(path)).search('enclosure').map do |node|
+          Media.new(node.attributes['url'].text)
+        end
+      end
   end
 end

spec/airplayer_spec.rb

@@ -46,6 +46,13 @@
       expect(playlist.first.path).to match 'http'
     end
 
+    it 'add Podcast rss to list' do
+      playlist.add('http://rss.cnn.com/services/podcasting/cnnnewsroom/rss.xml')
+      playlist.entries do |media|
+        expect(media).to be_kind_of AirPlayer::Media
+      end
+    end
+
     it 'add file to list, and that media type is file' do
       expect(playlist.add('./LICENSE').size).to eq 1
       expect(playlist.add('./Gemfile').size).to eq 2