Custom Feedzirra parsers

Custom Feedzirra Flickr parser

module Feedzirra

  module Parser
    
    class FlickrEntry
      include SAXMachine
      include FeedEntryUtilities
      element :guid, :as => :id

      element :link, :as => :url
      
      element :title
      element :"media:title", :as => :title
      
      element :link, :as => :url
      
      element :pubDate, :as => :published
      element :pubdate, :as => :published
      
      element :"media:description", :as => :summary
      
      element :"media:credit", :as => :author, :with => { :role => "photographer" }
      element :"media:thumbnail", :as => :thumbnail, :value => :url
      
      element :"media:content", :as => :content, :value => :url
      
      element :"media:category", :as => :categories, :with => { :scheme => "urn:flickr:tags" }
      
      def tags
        @categories.blank? ? [] : @categories.split(" ")
      end
      
    end
  end
end

module Feedzirra
  
  module Parser
  
    class Flickr
      include SAXMachine
      include FeedUtilities
      element :title

      element :pubDate, :as => :published
      element :pubdate, :as => :published
      element :lastBuildDate, :as => :updated
      
      elements :item, :as => :entries, :class => FlickrEntry
 
 
      attr_accessor :feed_url
      
      def self.able_to_parse?(xml) #:nodoc:
        xml =~ /xmlns:flickr=\"urn:flickr:\"/im
      end
      
    end
  end
end

Custom Feedzirra Vimeo parser

module Feedzirra

  module Parser
    
    class VimeoEntry
      include SAXMachine
      include FeedEntryUtilities
      element :guid, :as => :id
      
      element :title
      element :"media:title", :as => :title
      
      element :link, :as => :url

      element :"dc:creator", :as => :author
      element :"media:credit", :as => :author, :with => { :role => "author" }

      element :description, :as => :summary

      element :pubDate, :as => :published
      element :pubdate, :as => :published

      
      element :"media:player", :as => :content, :value => :url
      element :enclosure, :as => :content, :value => :url, :with => { :type => "application/x-shockwave-flash" }
      
      element :"media:category", :as => :keyword_list
      element :"media:thumbnail", :as => :thumbnail, :value => :url

      def embed_code
        "<object width=\"400\" height=\"225\"><param name=\"allowfullscreen\" value=\"true\" /><param name=\"allowscriptaccess\" value=\"always\" /><param name=\"movie\" value=\"#{@content}&amp;server=vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1\" /><embed src=\"#{@content}&amp;server=vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1\" type=\"application/x-shockwave-flash\" allowfullscreen=\"true\" allowscriptaccess=\"always\" width=\"400\" height=\"225\"></embed></object>"
      end
      
      def media_id
        if @url =~ /http:\/\/vimeo.com\/(\d*)/i
          $1
        elsif @content =~ /http:\/\/vimeo.com\/moogaloop.swf?clip_id=(\d*)/i
          $1
        else
          ''
        end
      end
      
      def tags
        @keyword_list.blank? ? [] : @keyword_list.split(",")
      end
    end
  end
end

module Feedzirra
  
  module Parser
  
    class Vimeo
      include SAXMachine
      include FeedUtilities
      element :title
      element :link, :as => :url
      element :"atom:link", :as => :feed_url, :value => :href, :with => { :rel => "self" }
      elements :item, :as => :entries, :class => VimeoEntry
 
      def self.able_to_parse?(xml) #:nodoc:
        xml =~ /xmlns:atom=\"http:\/\/www.w3.org\/2005\/Atom\" xmlns:dc=\"http:\/\/purl.org\/dc\/elements\/1.1\/\" xmlns:media=\"http:\/\/search.yahoo.com\/mrss\/\"/im
      end
      
    end
  end
end

Custom Feedzirra Youtube parser

module Feedzirra
  
  module Parser
    
    class YoutubeEntry
      include SAXMachine
      include FeedEntryUtilities
      element :id
      
      element :title
      element :content, :as => :summary
      element :name, :as => :author

      element :link, :as => :url, :value => :href, :with => { :rel => "alternate" }
      
      element :published
      element :updated
            
      element :"media:player", :as => :url, :value => :url            
      element :"media:content", :as => :content, :value => :url, :with => { :type => "application/x-shockwave-flash" }
      element :"media:keywords", :as => :keyword_list
      element :"yt:duration", :as => :duration, :value => :seconds
      
      elements :category, :as => :keywords, :value => :term, :with => { :scheme => "http://gdata.youtube.com/schemas/2007/keywords.cat" } 
            
      elements :category, :as => :categories, :value => :term, :with => { :scheme => "http://gdata.youtube.com/schemas/2007/categories.cat" }
     
      elements :"media:thumbnail", :as => :thumbnails, :value => :url
      
      def embed_code
        "<object width=\"560\" height=\"340\"><param name=\"movie\" value=\"#{@content}\"></param><param name=\"allowFullScreen\" value=\"true\"></param><param name=\"allowscriptaccess\" value=\"always\"></param><embed src=\"#{@content}\" type=\"application/x-shockwave-flash\" allowscriptaccess=\"always\" allowfullscreen=\"true\" width=\"560\" height=\"340\"></embed></object>"
      end
      
      def thumbnail
        @thumbnails.reject { |t| t !~ /0.jpg/ }.to_s
      end
      
      def media_id
        if @id =~ /http:\/\/gdata.youtube.com\/feeds\/api\/videos\/(\S[^\/?]*)/i
          $1
        elsif @url =~ /http:\/\/www.youtube.com\/watch\?v\=(\S[^(&amp\;)]*)/i
          $1
        else
          ''
        end
      end
      
      def tags
        @keywords || @keyword_list.blank? ? [] : @keyword_list.split(",")
      end
      
    end
  end
end

module Feedzirra
  
  module Parser
  
    class Youtube
      include SAXMachine
      include FeedUtilities
      element :id
      element :updated
      element :title
      element :name, :as => :author
      element :link, :as => :feed_url, :value => :href, :with => { :rel => "http://schemas.google.com/g/2005#feed" }
      element :link, :as => :url, :value => :href, :with => { :rel => "alternate" }
      elements :entry, :as => :entries, :class => YoutubeEntry
 
 
      def self.able_to_parse?(xml) #:nodoc:
        xml =~ /xmlns:yt=\'http:\/\/gdata.youtube.com\/schemas\/2007\'/im
      end
      
    end
  end
end

How do you use these?

Hi, you might take a look at this commit marano/feedzirra@300bda4