karmi (owner)

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gist: 222325 Download_button fork
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commit 625de25450b6dba8da508c076f69774163a3d90e
Author: Karel Minarik <karmi@karmi.cz>
Date:   Fri Oct 30 13:57:37 2009 +0100
 
    Make thumbnail lazy loaded
 
diff --git a/phpfashion_com_exercise.rb b/phpfashion_com_exercise.rb
index 51d70b1..b4f74e6 100644
--- a/phpfashion_com_exercise.rb
+++ b/phpfashion_com_exercise.rb
@@ -57,16 +57,21 @@ module Crawler
       return webpage
     end
 
-    attr_reader   :url, :body, :headers, :thumbnail
+    attr_reader   :url, :body, :headers
     def initialize(url, body, headers)
       @url, @body, @headers = url, body, headers
-      @thumbnail = create_thumbnail
       self
     end
 
     def self.cache; @cache; end
+    def thumbnail
+      @thumbnail ||= create_thumbnail
+    end
+
+    private
+
     def create_thumbnail
-      # Some expensive logic ...
+      # Thumbnail.new(url) ... Some expensive logic ... etc
     end
 
   end