lib/page_rankr/backlinks/google.rb in PageRankr-1.7.1 vs lib/page_rankr/backlinks/google.rb in PageRankr-2.0.0

@@ -1,19 +1,25 @@
-require 'cgi'
 require 'json'
 
 module PageRankr
-  class Backlinks < Tracker
-    class Google < Backlink
+  class Backlinks
+    class Google
+      include Backlink
       
       # overloaded to use Google's AJAX search API
       # http://code.google.com/apis/ajaxsearch/documentation/
       def initialize(site)
-        @backlinks = clean JSON.parse( open( url(site)).read )["responseData"]["cursor"]["estimatedResultCount"].to_s
+        @site = site
+        request.on_complete do |response|
+          json = JSON.parse(response.body)
+          @backlinks = clean(json["responseData"]["cursor"]["estimatedResultCount"].to_s)
+          @backlinks = nil if @backlinks.zero?
+        end
       end
       
-      def url(site)
-        "http://ajax.googleapis.com/ajax/services/search/web?v=1.0&rsz=1&q=link%3A#{CGI.escape(site)}"
+      def request
+        @request ||= Typhoeus::Request.new("http://ajax.googleapis.com/ajax/services/search/web", 
+            :params => {:v => "1.0", :rsz => 1, :q => "link:#{@site.to_s}"}, :method => :get)
       end
     end
   end
 end
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